{"title":"Bungs - AN, NPT, O2 Sensor Bungs","description":"\u003cp\u003eWe offer a wide range of weld-on threaded bungs in common sizing standards like Male AN, Female AN, Male NPT, Female NPT, and Metric, suitable for automotive, marine, industrial, and other applications. Our bungs are precision-machined from solid Aluminum, Mild Steel, Stainless Steel, or Titanium bar stock and are cleaned and individually packaged prior to shipment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.aceraceparts.com\/collections\/bungs-o2-sensor-bungs\" title=\"O2 Sensor Bungs and Bung Plugs | Ace Race Parts\" data-mce-href=\"https:\/\/www.aceraceparts.com\/collections\/bungs-o2-sensor-bungs\"\u003eO2 Sensor Bungs\u003c\/a\u003e are available in \u003cmeta charset=\"utf-8\"\u003ecommon sizes like M12 x 1.25 and M18 x 1.5 in \u003cmeta charset=\"utf-8\"\u003eMild Steel, Stainless, and Titanium\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"AN Weld-On Threaded Bungs, Aluminum and Stainless | Ace Race Parts\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/an-weld-bungs?grid_list=grid-view\" target=\"_blank\" data-mce-href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/an-weld-bungs?grid_list=grid-view\"\u003eAN Weld Bungs\u003c\/a\u003e, Male and Female styles, are available in sizes ranging from -4AN to -20AN in Aluminum, Stainless, and Titanium\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Female NPT Weld Bungs, Aluminum and Stainless | Ace Race Parts\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/npt-bungs?grid_list=grid-view\" target=\"_blank\" data-mce-href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/npt-bungs?grid_list=grid-view\"\u003eNPT Weld Bungs\u003c\/a\u003e, for common applications like AIT and EGT sensors, are available in sizes ranging from 1\/8\" NPT to 3\/4\" NPT in Aluminum, Stainless, and Titanium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","products":[{"product_id":"stainless-o2-sensor-bung-flat","title":"M18 x 1.5 O2 Sensor Bung - Stepped (Flat Bottom) - 304 Stainless","description":"\u003ch5\u003e304 STAINLESS STEEL O2 SENSOR BUNG — M18 X 1.5 THREAD\u003c\/h5\u003e\n\u003cp\u003eThe Ace Race Parts brand of metric \u003cstrong\u003eOxygen (O2) Sensor Bungs\u003c\/strong\u003e is \u003cstrong\u003eprecision machined\u003c\/strong\u003e using \u003cstrong\u003esolid 304 Stainless Steel bar stock\u003c\/strong\u003e and work with \u003cstrong\u003eall standard O2 Sensors\u003c\/strong\u003e that use a \u003cstrong\u003eM18 x 1.5 thread\u003c\/strong\u003e. This specific O2 sensor bung fitting \u003cstrong\u003efeatures a Stepped design\u003c\/strong\u003e for added weld strength. Our O2 sensor bungs and bung plugs are a high quality 304 stainless steel option for custom exhausts, downpipes, and OEM repair fabrication projects.\u003c\/p\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":6653463364,"sku":"26001","price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/M18-O2-Bung-26001-2023-750x.jpg?v=1679358986"},{"product_id":"stainless-o2-sensor-bung-saddled","title":"M18 x 1.5 O2 Sensor Bung - Saddled for 1.500\"-2.500\" OD Tube - 304 Stainless","description":"\u003ch5\u003e304 STAINLESS STEEL O2 SENSOR BUNG — M18 X 1.5 THREAD\u003c\/h5\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe Ace Race Parts brand of metric \u003c\/span\u003e\u003cstrong\u003eOxygen (O2) Sensor Bungs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eis\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eprecision machined\u003c\/strong\u003e\u003cspan\u003e using \u003c\/span\u003e\u003cstrong\u003esolid 304 Stainless Steel bar stock\u003c\/strong\u003e\u003cspan\u003e and work with \u003c\/span\u003e\u003cstrong\u003eall standard O2 Sensors\u003c\/strong\u003e\u003cspan\u003e that use a \u003c\/span\u003e\u003cstrong\u003eM18 x 1.5 thread\u003c\/strong\u003e\u003cspan\u003e. This specific O2 sensor bung fitting is \u003c\/span\u003e\u003cstrong\u003ecoped to fit 1.500\" OD to 2.500\" OD tubing\u003c\/strong\u003e\u003cspan\u003e; however, it can easily work with other tube and even pipe size diameters. Our O2 sensor bungs and bung plugs are high quality 304 stainless steel options for custom exhausts, downpipes, and OEM repair fabrication projects.\u003c\/span\u003e\u003c\/p\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":6653472580,"sku":"26002","price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/M18-O2-Bung-1-2022-750x_dda143df-ab59-4894-86d4-86ea8a50c300.jpg?v=1666296688"},{"product_id":"mild-steel-o2-sensor-bung-flat","title":"M18 x 1.5 O2 Sensor Bung - Stepped (Flat Bottom) - Mild Steel","description":"\u003ch5\u003eMILD STEEL O2 SENSOR BUNG — M18 X 1.5 THREAD\u003c\/h5\u003e\n\u003cp\u003eThe Ace Race Parts brand of metric \u003cstrong\u003eOxygen (O2) Sensor Bungs\u003c\/strong\u003e is \u003cstrong\u003eprecision machined\u003c\/strong\u003e using \u003cstrong\u003esolid 1018 Mild Steel bar stock\u003c\/strong\u003e and work with \u003cstrong\u003eall standard O2 Sensors\u003c\/strong\u003e that use a \u003cstrong\u003eM18 x 1.5 thread\u003c\/strong\u003e. This specific O2 sensor bung fitting \u003cstrong\u003efeatures a Stepped design\u003c\/strong\u003e for added weld strength. Our O2 sensor bungs and bung plugs are a high quality mild steel option for custom exhausts, downpipes, and OEM repair fabrication projects.\u003c\/p\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":6661637572,"sku":"26003","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/M18-O2-Bung-26001-2023-750x_0db3e16f-6e64-46f6-b661-665fe8a5177b.jpg?v=1679502199"},{"product_id":"vibrant-j-style-weld-on-oxygen-sensor-bung-304-stainless-1192","title":"Vibrant \"J\" Style M18 x 1.5 Oxygen Sensor Weld On Bung 304 Stainless (1192)","description":"\u003cp\u003e\u003cb\u003e•\u003c\/b\u003e A very effective tool for avoiding Check Engine Lights. Pulls the Oxygen Sensor further away from the exhaust gas stream.\u003cbr\u003e\u003cb\u003e•\u003c\/b\u003e The \"J\" shape allows the O2 sensor to be installed parallel to the exhaust pipe for better clearance.\u003cbr\u003e\u003cb\u003e•\u003c\/b\u003e M18 x 1.5 Thread. Accepts all standard O2 sensors.\u003c\/p\u003e","brand":"Vibrant Performance","offers":[{"title":"Default","offer_id":6662371140,"sku":"VIB1192","price":32.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/VIB11921.jpg?v=1695238608"},{"product_id":"mild-steel-o2-sensor-bung-plug","title":"M18 x 1.5 O2 Sensor Bung Plug - Mild Steel","description":"\u003cp\u003eThe Ace Race Parts brand of metric \u003cstrong\u003eOxygen (O2) Sensor Bung Plugs\u003c\/strong\u003e are \u003cstrong\u003eprecision machined\u003c\/strong\u003e using \u003cstrong\u003e1018 Mild Steel \u003c\/strong\u003eand work with \u003cstrong\u003eall standard O2 Sensor Bungs\u003c\/strong\u003e that use a \u003cstrong\u003eM18 x 1.5 thread\u003c\/strong\u003e. This specific O2 sensor bung fitting \u003cstrong\u003efeatures a hex head design\u003c\/strong\u003e for easy installation and removal. Our O2 sensor bungs and bung plugs are a high quality mild steel option for custom exhausts, downpipes, and OEM repair fabrication projects.\u003c\/p\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":6662481604,"sku":"26004","price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/M12-M18-Bung-Plug-750x-2023_38bff72f-5981-48a7-a081-02ae00b329ff.jpg?v=1695239961"},{"product_id":"half-coupling-125","title":"1\/8\" NPT Female Weld Bung - 304 Stainless","description":"\u003cp\u003eThe Ace Race Parts brand of \u003cstrong\u003eNPT Weld Bungs\u003c\/strong\u003e are available in size ranges from 1\/8\" NPT to 3\/4\" NPT and are an affordable option for applications that require a \"Butt-Weld x Thread\" connection style. Our \u003cstrong\u003eNPT Weld Bungs are precision CNC Machined\u003c\/strong\u003e from solid bar stock and are \u003cstrong\u003eavailable in both 304 Stainless and 6061-T6 Aluminum\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther O2 Sensor and Weld Bung options:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"O2 Bungs, O2 Sensor Bungs, Exhaust Bungs, Metric Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/O2-Bungs\" target=\"_blank\"\u003eMetric O2 Sensor Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"AN Weld Bungs, AN Fitting Bung, AN Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/AN-Weld-Bungs\" target=\"_blank\"\u003eAN Weld Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":6663672516,"sku":"26009","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/NPT-Weld-Bung-1-750x_720fcd03-cbb4-4336-b77f-9ecb11efc29e.jpg?v=1673659383"},{"product_id":"half-coupling-250","title":"1\/4\" NPT Female Weld Bung - 304 Stainless","description":"\u003cp\u003eThe Ace Race Parts brand of \u003cstrong\u003eNPT Weld Bungs\u003c\/strong\u003e are available in size ranges from 1\/8\" NPT to 3\/4\" NPT and are an affordable option for applications that require a \"Butt-Weld x Thread\" connection style. Our \u003cstrong\u003eNPT Weld Bungs are precision CNC Machined\u003c\/strong\u003e from solid bar stock and are \u003cstrong\u003eavailable in both 304 Stainless and 6061-T6 Aluminum\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther O2 Sensor and Weld Bung options:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"O2 Bungs, O2 Sensor Bungs, Exhaust Bungs, Metric Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/O2-Bungs\" target=\"_blank\"\u003eMetric O2 Sensor Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"AN Weld Bungs, AN Fitting Bung, AN Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/AN-Weld-Bungs\" target=\"_blank\"\u003eAN Weld Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":6663673220,"sku":"26010","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/NPT-Weld-Bung-1-750x_f110fd23-e126-4b72-a0db-9eeea6447685.jpg?v=1673659337"},{"product_id":"half-coupling-375","title":"3\/8\" NPT Female Weld Bung - 304 Stainless","description":"\u003cp\u003eThe Ace Race Parts brand of \u003cstrong\u003eNPT Weld Bungs\u003c\/strong\u003e are available in size ranges from 1\/8\" NPT to 3\/4\" NPT and are an affordable option for applications that require a \"Butt-Weld x Thread\" connection style. Our \u003cstrong\u003eNPT Weld Bungs are precision CNC Machined\u003c\/strong\u003e from solid bar stock and are \u003cstrong\u003eavailable in both 304 Stainless and 6061-T6 Aluminum\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther O2 Sensor and Weld Bung options:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"O2 Bungs, O2 Sensor Bungs, Exhaust Bungs, Metric Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/O2-Bungs\" target=\"_blank\"\u003eMetric O2 Sensor Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"AN Weld Bungs, AN Fitting Bung, AN Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/AN-Weld-Bungs\" target=\"_blank\"\u003eAN Weld Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":6663680324,"sku":"26011","price":7.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/NPT-Weld-Bung-1-750x_3b58f815-44fd-47ff-b9d2-b6433466c4fd.jpg?v=1673659449"},{"product_id":"half-coupling-500","title":"1\/2\" NPT Female Weld Bung - 304 Stainless","description":"\u003cp\u003eThe Ace Race Parts brand of \u003cstrong\u003eNPT Weld Bungs\u003c\/strong\u003e are available in size ranges from 1\/8\" NPT to 3\/4\" NPT and are an affordable option for applications that require a \"Butt-Weld x Thread\" connection style. Our \u003cstrong\u003eNPT Weld Bungs are precision CNC Machined\u003c\/strong\u003e from solid bar stock and are \u003cstrong\u003eavailable in both 304 Stainless and 6061-T6 Aluminum\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther O2 Sensor and Weld Bung options:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"O2 Bungs, O2 Sensor Bungs, Exhaust Bungs, Metric Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/O2-Bungs\" target=\"_blank\"\u003eMetric O2 Sensor Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"AN Weld Bungs, AN Fitting Bung, AN Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/AN-Weld-Bungs\" target=\"_blank\"\u003eAN Weld Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":6663680964,"sku":"26012","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/NPT-Weld-Bung-1-750x.jpg?v=1673659216"},{"product_id":"half-coupling-750","title":"3\/4\" NPT Female Weld Bung - 304 Stainless","description":"\u003cp\u003eThe Ace Race Parts brand of \u003cstrong\u003eNPT Weld Bungs\u003c\/strong\u003e are available in size ranges from 1\/8\" NPT to 3\/4\" NPT and are an affordable option for applications that require a \"Butt-Weld x Thread\" connection style. Our \u003cstrong\u003eNPT Weld Bungs are precision CNC Machined\u003c\/strong\u003e from solid bar stock and are \u003cstrong\u003eavailable in both 304 Stainless and 6061-T6 Aluminum\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther O2 Sensor and Weld Bung options:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"O2 Bungs, O2 Sensor Bungs, Exhaust Bungs, Metric Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/O2-Bungs\" target=\"_blank\"\u003eMetric O2 Sensor Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"AN Weld Bungs, AN Fitting Bung, AN Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/AN-Weld-Bungs\" target=\"_blank\"\u003eAN Weld Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":6663685316,"sku":"26013","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/NPT-Weld-Bung-1-750x_6960ade3-2b49-4193-86b9-33e146a1adc9.jpg?v=1674844855"},{"product_id":"m18-x-1-5-stainless-o2-sensor-bung-45-angle-cut-304-stainless","title":"M18 x 1.5 O2 Sensor Bung 45° Angle Cut - 304 Stainless","description":"\u003cp\u003eThe Ace Race Parts brand of metric \u003cstrong\u003eOxygen (O2) Sensor Bungs\u003c\/strong\u003e are \u003cstrong\u003eprecision machined\u003c\/strong\u003e using \u003cstrong\u003esolid 304 Stainless Steel bar stock\u003c\/strong\u003e and work with \u003cstrong\u003eall standard O2 Sensors\u003c\/strong\u003e that use a \u003cstrong\u003eM18 x 1.5 thread\u003c\/strong\u003e. This specific O2 sensor bung fitting \u003cstrong\u003efeatures a 45° Angle cut design.\u003c\/strong\u003e Our O2 sensor bungs and bung plugs are a high quality 304 stainless steel option for custom exhausts, downpipes, and OEM repair fabrication projects.\u003c\/p\u003e\n","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":11084429060,"sku":"26007","price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/M18-Angle-Cut-Bung-750x-2023.jpg?v=1695239982"},{"product_id":"1-8-npt-female-weld-bung-aluminum","title":"1\/8\" NPT Female Weld Bung - 6061 Aluminum","description":"\u003cp\u003eThe Ace Race Parts brand of \u003cstrong\u003eNPT Weld Bungs\u003c\/strong\u003e are available in size ranges from 1\/8\" NPT to 3\/4\" NPT and are an affordable option for applications that require a \"Butt-Weld x Thread\" connection style. Our \u003cstrong\u003eNPT Weld Bungs are precision CNC Machined\u003c\/strong\u003e from solid bar stock and are \u003cstrong\u003eavailable in both 304 Stainless and 6061-T6 Aluminum\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther O2 Sensor and Weld Bung options:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"O2 Bungs, O2 Sensor Bungs, Exhaust Bungs, Metric Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/O2-Bungs\" target=\"_blank\"\u003eMetric O2 Sensor Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"AN Weld Bungs, AN Fitting Bung, AN Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/AN-Weld-Bungs\" target=\"_blank\"\u003eAN Weld Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":13868205965375,"sku":"26015","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/NPT-Weld-Bung-1-750x_ca98e213-73ee-4bbf-89a0-47365665c9d0.jpg?v=1674844383"},{"product_id":"1-4-npt-female-weld-bung-aluminum","title":"1\/4\" NPT Female Weld Bung - 6061 Aluminum","description":"\u003cp\u003eThe Ace Race Parts brand of \u003cstrong\u003eNPT Weld Bungs\u003c\/strong\u003e are available in size ranges from 1\/8\" NPT to 3\/4\" NPT and are an affordable option for applications that require a \"Butt-Weld x Thread\" connection style. Our \u003cstrong\u003eNPT Weld Bungs are precision CNC Machined\u003c\/strong\u003e from solid bar stock and are \u003cstrong\u003eavailable in both 304 Stainless and 6061-T6 Aluminum\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther O2 Sensor and Weld Bung options:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"O2 Bungs, O2 Sensor Bungs, Exhaust Bungs, Metric Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/O2-Bungs\" target=\"_blank\"\u003eMetric O2 Sensor Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"AN Weld Bungs, AN Fitting Bung, AN Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/AN-Weld-Bungs\" target=\"_blank\"\u003eAN Weld Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":13868330287167,"sku":"26016","price":5.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/NPT-Weld-Bung-1-750x_e1dc0435-4c4d-40cd-ade8-5550cabc3c70.jpg?v=1674844453"},{"product_id":"3-8-npt-female-weld-bung-aluminum","title":"3\/8\" NPT Female Weld Bung - 6061 Aluminum","description":"\u003cp\u003eThe Ace Race Parts brand of \u003cstrong\u003eNPT Weld Bungs\u003c\/strong\u003e are available in size ranges from 1\/8\" NPT to 3\/4\" NPT and are an affordable option for applications that require a \"Butt-Weld x Thread\" connection style. Our \u003cstrong\u003eNPT Weld Bungs are precision CNC Machined\u003c\/strong\u003e from solid bar stock and are \u003cstrong\u003eavailable in both 304 Stainless and 6061-T6 Aluminum\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther O2 Sensor and Weld Bung options:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"O2 Bungs, O2 Sensor Bungs, Exhaust Bungs, Metric Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/O2-Bungs\" target=\"_blank\"\u003eMetric O2 Sensor Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"AN Weld Bungs, AN Fitting Bung, AN Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/AN-Weld-Bungs\" target=\"_blank\"\u003eAN Weld Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":13868334088255,"sku":"26017","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/NPT-Weld-Bung-1-750x_d947dffa-1305-44fb-ad30-0b482ffff524.jpg?v=1674844535"},{"product_id":"1-2-npt-female-weld-bung-aluminum","title":"1\/2\" NPT Female Weld Bung - 6061 Aluminum","description":"\u003cp\u003eThe Ace Race Parts brand of \u003cstrong\u003eNPT Weld Bungs\u003c\/strong\u003e are available in size ranges from 1\/8\" NPT to 3\/4\" NPT and are an affordable option for applications that require a \"Butt-Weld x Thread\" connection style. Our \u003cstrong\u003eNPT Weld Bungs are precision CNC Machined\u003c\/strong\u003e from solid bar stock and are \u003cstrong\u003eavailable in both 304 Stainless and 6061-T6 Aluminum\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther O2 Sensor and Weld Bung options:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"O2 Bungs, O2 Sensor Bungs, Exhaust Bungs, Metric Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/O2-Bungs\" target=\"_blank\"\u003eMetric O2 Sensor Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"AN Weld Bungs, AN Fitting Bung, AN Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/AN-Weld-Bungs\" target=\"_blank\"\u003eAN Weld Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":13868336087103,"sku":"26018","price":6.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/NPT-Weld-Bung-1-750x_9bcdbc13-231e-494e-9c9d-4cb2aac646a7.jpg?v=1674844600"},{"product_id":"3-4-npt-female-weld-bung-aluminum","title":"3\/4\" NPT Female Weld Bung - 6061 Aluminum","description":"\u003cp\u003eThe Ace Race Parts brand of \u003cstrong\u003eNPT Weld Bungs\u003c\/strong\u003e are available in size ranges from 1\/8\" NPT to 3\/4\" NPT and are an affordable option for applications that require a \"Butt-Weld x Thread\" connection style. Our \u003cstrong\u003eNPT Weld Bungs are precision CNC Machined\u003c\/strong\u003e from solid bar stock and are \u003cstrong\u003eavailable in both 304 Stainless and 6061-T6 Aluminum\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther O2 Sensor and Weld Bung options:\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"O2 Bungs, O2 Sensor Bungs, Exhaust Bungs, Metric Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/O2-Bungs\" target=\"_blank\"\u003eMetric O2 Sensor Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"AN Weld Bungs, AN Fitting Bung, AN Bungs\" href=\"https:\/\/www.aceraceparts.com\/collections\/o2-sensor-bungs\/AN-Weld-Bungs\" target=\"_blank\"\u003eAN Weld Bungs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":13868338151487,"sku":"26019","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/NPT-Weld-Bung-1-750x_931f736b-f10c-4511-8e2e-a03f2de1b9b5.jpg?v=1674844683"},{"product_id":"m18-x-1-5-o2-sensor-bung-304-saddled-for-3-000-od-tube","title":"M18 x 1.5 O2 Sensor Bung - Coped for 3.000\"-5.000\" OD Tube - 304 Stainless","description":"\u003ch5\u003e304 STAINLESS STEEL O2 SENSOR BUNG — M18 X 1.5 THREAD\u003c\/h5\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe Ace Race Parts brand of metric \u003c\/span\u003e\u003cstrong\u003eOxygen (O2) Sensor Bungs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eis\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eprecision machined\u003c\/strong\u003e\u003cspan\u003e using \u003c\/span\u003e\u003cstrong\u003esolid 304 Stainless Steel bar stock\u003c\/strong\u003e\u003cspan\u003e and work with \u003c\/span\u003e\u003cstrong\u003eall standard O2 Sensors\u003c\/strong\u003e\u003cspan\u003e that use a \u003c\/span\u003e\u003cstrong\u003eM18 x 1.5 thread\u003c\/strong\u003e\u003cspan\u003e. This specific O2 sensor bung fitting is \u003c\/span\u003e\u003cstrong\u003ecoped to fit 3.000\" OD to 5.00\" OD tubing\u003c\/strong\u003e\u003cspan\u003e; however, it can easily work with other tube and even pipe size diameters. Our O2 sensor bungs and bung plugs are high quality 304 stainless steel options for custom exhausts, downpipes, and OEM repair fabrication projects.\u003c\/span\u003e\u003c\/p\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":13961673015359,"sku":"26020","price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/M18-O2-Bung-1-2022-750x.jpg?v=1666296736"},{"product_id":"m18-x-1-5-o2-coped-bung-saddled-for-3-000-5-000-od-tube-cp2-titanium","title":"M18 x 1.5 O2 Sensor Bung - Coped for 3.000\"-5.000\" OD Tube - CP2 Titanium","description":"\u003ch5\u003eCP2 TITANIUM O2 SENSOR BUNG — M18 X 1.5 THREAD\u003c\/h5\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe Ace Race Parts brand of metric \u003c\/span\u003e\u003cstrong\u003eOxygen (O2) Sensor Bungs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eis\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eprecision machined\u003c\/strong\u003e\u003cspan\u003e using \u003c\/span\u003e\u003cstrong\u003esolid CP2 Titanium bar stock\u003c\/strong\u003e\u003cspan\u003e and work with \u003c\/span\u003e\u003cstrong\u003eall standard O2 Sensors\u003c\/strong\u003e\u003cspan\u003e that use a \u003c\/span\u003e\u003cstrong\u003eM18 x 1.5 thread\u003c\/strong\u003e\u003cspan\u003e. This specific O2 sensor bung fitting is \u003c\/span\u003e\u003cstrong\u003ecoped to fit 3.000\" OD to 5.000\" OD tubing\u003c\/strong\u003e\u003cspan\u003e; however, it can easily work with other tube and even pipe size diameters. Our O2 sensor bungs are high quality CP2 Titanium options for custom exhausts, downpipes, and OEM repair fabrication projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAce Race Parts' Titanium O2 Bungs offer a high-quality welding experience at an affordable price. They are the perfect match for our \u003ca href=\"https:\/\/www.aceraceparts.com\/collections\/tubing-for-exhaust-and-intercooler-fabrication\/titanium\" title=\"Titanium Exhaust Tube Titanium Exhaust Pipe Titanium Tube - Ace Race Parts\" target=\"_blank\"\u003eTitanium Tube\u003c\/a\u003e, \u003ca href=\"https:\/\/www.aceraceparts.com\/collections\/v-bands\/Titanium\" title=\"Titanium V-Band Flanges Titanium V-Band Assembly Titanium V-Band Clamp - Ace Race Parts\" target=\"_blank\"\u003eTitanium V-Band Clamps \u0026amp; Flanges\u003c\/a\u003e, \u003ca href=\"https:\/\/www.aceraceparts.com\/collections\/titanium\/titanium-flex-bellows\" title=\"Titanium Flex Bellows Titanium Exhaust Bellows - Ace Race Parts\" target=\"_blank\"\u003eTitanium Flex Bellows\u003c\/a\u003e, \u003ca href=\"https:\/\/www.aceraceparts.com\/collections\/titanium\/titanium-pie-cuts\" title=\"Titanium Pie Cuts Titanium Pie Cut Exhaust - Ace Race Parts\" target=\"_blank\"\u003eTitanium Pie Cuts\u003c\/a\u003e, and \u003ca href=\"https:\/\/www.aceraceparts.com\/collections\/mandrel-bends-cp1-titanium\" title=\"Titanium Exhaust Bends, Mandrel Bent Titanium | Ace Race Parts\" target=\"_blank\"\u003eTitanium Mandrel Bends\u003c\/a\u003e. For the best welding experience, choose Ace Race Parts brand \u003ca href=\"https:\/\/www.aceraceparts.com\/collections\/titanium\/welding-wire\" title=\"CP1 Titanium Welding Wire - Ace Race Parts\" target=\"_blank\"\u003eTitanium Welding Wire\u003c\/a\u003e, available in both 0.039\" (1mm) and 0.063\" (1.6mm) diameters.\u003c\/p\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":15349094318143,"sku":"74002","price":14.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/M18-O2-Bung-1-2022-750x_dda143df-ab59-4894-86d4-86ea8a50c300.jpg?v=1666296688"},{"product_id":"m18-x-1-5-o2-sensor-bung-coped-for-1-500-2-500-od-tube-cp2-titanium","title":"M18 x 1.5 O2 Sensor Bung - Coped for 1.500\"-2.500\" OD Tube - CP2 Titanium","description":"\u003ch5\u003eCP2 TITANIUM O2 SENSOR BUNG — M18 X 1.5 THREAD\u003c\/h5\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe Ace Race Parts brand of metric \u003c\/span\u003e\u003cstrong\u003eOxygen (O2) Sensor Bungs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eis\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eprecision machined\u003c\/strong\u003e\u003cspan\u003e using \u003c\/span\u003e\u003cstrong\u003esolid CP2 Titanium bar stock\u003c\/strong\u003e\u003cspan\u003e and work with \u003c\/span\u003e\u003cstrong\u003eall standard O2 Sensors\u003c\/strong\u003e\u003cspan\u003e that use a \u003c\/span\u003e\u003cstrong\u003eM18 x 1.5 thread\u003c\/strong\u003e\u003cspan\u003e. This specific O2 sensor bung fitting is \u003c\/span\u003e\u003cstrong\u003ecoped to fit 1.500\" OD to 2.500\" OD tubing\u003c\/strong\u003e\u003cspan\u003e; however, it can easily work with other tube and even pipe size diameters. Our O2 sensor bungs are high quality CP2 Titanium options for custom exhausts, downpipes, and OEM repair fabrication projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAce Race Parts' Titanium O2 Bungs offer a high-quality welding experience at an affordable price. They are the perfect match for our \u003ca title=\"Titanium Exhaust Tube Titanium Exhaust Pipe Titanium Tube - Ace Race Parts\" href=\"https:\/\/www.aceraceparts.com\/collections\/tubing-for-exhaust-and-intercooler-fabrication\/titanium\" target=\"_blank\"\u003eTitanium Tube\u003c\/a\u003e, \u003ca title=\"Titanium V-Band Flanges Titanium V-Band Assembly Titanium V-Band Clamp - Ace Race Parts\" href=\"https:\/\/www.aceraceparts.com\/collections\/v-bands\/Titanium\" target=\"_blank\"\u003eTitanium V-Band Clamps \u0026amp; Flanges\u003c\/a\u003e, \u003ca title=\"Titanium Flex Bellows Titanium Exhaust Bellows - Ace Race Parts\" href=\"https:\/\/www.aceraceparts.com\/collections\/titanium\/titanium-flex-bellows\" target=\"_blank\"\u003eTitanium Flex Bellows\u003c\/a\u003e, \u003ca title=\"Titanium Pie Cuts Titanium Pie Cut Exhaust - Ace Race Parts\" href=\"https:\/\/www.aceraceparts.com\/collections\/titanium\/titanium-pie-cuts\" target=\"_blank\"\u003eTitanium Pie Cuts\u003c\/a\u003e, and \u003ca title=\"Titanium Exhaust Bends, Mandrel Bent Titanium | Ace Race Parts\" href=\"https:\/\/www.aceraceparts.com\/collections\/mandrel-bends-cp1-titanium\" target=\"_blank\"\u003eTitanium Mandrel Bends\u003c\/a\u003e. For the best welding experience, choose Ace Race Parts brand \u003ca title=\"CP1 Titanium Welding Wire - Ace Race Parts\" href=\"https:\/\/www.aceraceparts.com\/collections\/titanium\/welding-wire\" target=\"_blank\"\u003eTitanium Welding Wire\u003c\/a\u003e, available in both 0.039\" (1mm) and 0.063\" (1.6mm) diameters.\u003c\/p\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":15349104410687,"sku":"74001","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/M18_x_1.5_O2_Sensor_Bung_-_Titanium.jpg?v=1724443981"},{"product_id":"6an-female-weld-bung-aluminum","title":"-4AN Female Weld Bung - 6061 Aluminum","description":"\u003cp\u003eThe Ace Race Parts brand of -4AN \u003cstrong\u003eFemale ORB AN Weld Bungs\u003c\/strong\u003e are \u003cstrong\u003eprecision CNC machined from 6061-T6 Aluminum\u003c\/strong\u003e and feature a stepped design for added weld strength and durability. Our line of Female ORB Weld Bungs are \u003cstrong\u003eavailable in sizes ranging from -4AN to -20AN\u003c\/strong\u003e and are \u003cstrong\u003esuitable in high pressure applications\u003c\/strong\u003e, like fuel systems, fuel cells, oil tanks, and other custom applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eORB (O-Ring Boss) Connection\u003c\/li\u003e\n\u003cli\u003eReusable SAE Straight Thread\u003c\/li\u003e\n\u003cli\u003ePrecision CNC Machined from 6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003eCapable of Handling High Pressure Applications\u003c\/li\u003e\n\u003cli\u003eSuitable for Fuel Systems (E85 Compatible) and more!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":31499895603263,"sku":"26037","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/AN-Weld-Bung-Female-2022-750x_95316595-f6b4-4b67-a5af-6215698db8af.jpg?v=1656620870"},{"product_id":"6an-female-weld-bung-aluminum-1","title":"-6AN Female Weld Bung - 6061 Aluminum","description":"\u003cp\u003eThe Ace Race Parts brand of -6AN \u003cstrong\u003eFemale ORB AN Weld Bungs\u003c\/strong\u003e are \u003cstrong\u003eprecision CNC machined from 6061-T6 Aluminum\u003c\/strong\u003e and feature a stepped design for added weld strength and durability. Our line of Female ORB Weld Bungs are \u003cstrong\u003eavailable in sizes ranging from -4AN to -20AN\u003c\/strong\u003e and are \u003cstrong\u003esuitable in high pressure applications\u003c\/strong\u003e, like fuel systems, fuel cells, oil tanks, and other custom applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eORB (O-Ring Boss) Connection\u003c\/li\u003e\n\u003cli\u003eReusable SAE Straight Thread\u003c\/li\u003e\n\u003cli\u003ePrecision CNC Machined from 6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003eCapable of Handling High Pressure Applications\u003c\/li\u003e\n\u003cli\u003eSuitable for Fuel Systems (E85 Compatible) and more!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":31504339566655,"sku":"26038","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/AN-Weld-Bung-Female-2022-750x_be60ab8a-150d-46bb-9363-ef69b65ac600.jpg?v=1656620942"},{"product_id":"8an-female-weld-bung-aluminum","title":"-8AN Female Weld Bung - 6061 Aluminum","description":"\u003cp\u003eThe Ace Race Parts brand of -8AN \u003cstrong\u003eFemale ORB AN Weld Bungs\u003c\/strong\u003e are \u003cstrong\u003eprecision CNC machined from 6061-T6 Aluminum\u003c\/strong\u003e and feature a stepped design for added weld strength and durability. Our line of Female ORB Weld Bungs are \u003cstrong\u003eavailable in sizes ranging from -4AN to -20AN\u003c\/strong\u003e and are \u003cstrong\u003esuitable in high pressure applications\u003c\/strong\u003e, like fuel systems, fuel cells, oil tanks, and other custom applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eORB (O-Ring Boss) Connection\u003c\/li\u003e\n\u003cli\u003eReusable SAE Straight Thread\u003c\/li\u003e\n\u003cli\u003ePrecision CNC Machined from 6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003eCapable of Handling High Pressure Applications\u003c\/li\u003e\n\u003cli\u003eSuitable for Fuel Systems (E85 Compatible) and more!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ace Race Parts","offers":[{"title":"Default Title","offer_id":31504379379775,"sku":"26039","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/products\/AN-Weld-Bung-Female-2022-750x_3fc40126-fabe-4236-94c6-1d6deec96c85.jpg?v=1656620969"},{"product_id":"10an-female-weld-bung-aluminum","title":"-10AN Female Weld Bung - 6061 Aluminum","description":"\u003cp\u003eThe Ace Race Parts brand of -10AN \u003cstrong\u003eFemale ORB AN Weld Bungs\u003c\/strong\u003e are \u003cstrong\u003eprecision CNC machined from 6061-T6 Aluminum\u003c\/strong\u003e and feature a stepped design for added weld strength and durability. 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