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Bungs - AN, NPT, O2 Sensor Bungs

We offer a wide range of weld-on threaded bungs, in common sizing standards like Male AN, Female AN, Male NPT, Female NPT, and Metric, that are suitable for automotive, marine, industrial and other applications. All of our bungs are precision machined out of solid Aluminum, Mild Steel, Stainless Steel, or... Read More

  • M12 x 1.25 O2 Sensor Bung - Saddled for 1.500"-2.500" OD Tube - 304 Stainless - Ace Race Parts

    M12 x 1.25 O2 Sensor Bung - Coped for 1.500"-2.500" OD Tube - 304 Stainless

    SKU 26021
    $ 5.95 - $ 5.95
    $ 5.95
    $ 5.95 - $ 5.95
    $ 5.95
    25+ in stock

    The Ace Race Parts brand of metric Oxygen (O2) Sensor Bungs are precision machined using solid 304 Stainless Steel bar stock and work with all stan...

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  • M12 x 1.25 O2 Sensor Bung Plug - Mild Steel - Ace Race Parts

    M12 x 1.25 O2 Sensor Bung Plug - Mild Steel

    SKU 26023
    $ 2.50 - $ 2.50
    $ 2.50
    $ 2.50 - $ 2.50
    $ 2.50
    25+ in stock

    The Ace Race Parts brand of metric Oxygen (O2) Sensor Bung Plugs are precision machined using 1018 Mild Steel and work with all standard O2 Sensor ...

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  • M18 x 1.5 O2 Sensor Bung - Saddled for 1.500"-2.500" OD Tube - 304 Stainless - Ace Race Parts
    Sold out

    M18 x 1.5 O2 Sensor Bung - Saddled for 1.500"-2.500" OD Tube - 304 Stainless

    SKU 26002
    $ 5.95 - $ 5.95
    $ 5.95
    $ 5.95 - $ 5.95
    $ 5.95
    More on the way!

    The Ace Race Parts brand of metric Oxygen (O2) Sensor Bungs are precision machined using solid 304 Stainless Steel bar stock and work with all stan...

    View full details
  • M18 x 1.5 O2 Sensor Bung - Saddled for 1.500"-2.500" OD Tube - CP2 Titanium - Ace Race Parts

    M18 x 1.5 O2 Sensor Bung - Saddled for 1.500"-2.500" OD Tube - CP2 Titanium

    SKU 74001
    $ 14.00 - $ 14.00
    $ 14.00
    $ 14.00 - $ 14.00
    $ 14.00
    25+ in stock

    Ace Race Parts O2 Sensor Bungs accept all standard O2 sensors and are precision machined from CP2 Titanium and are offered with a saddled seating s...

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  • M18 x 1.5 O2 Sensor Bung - Saddled for 3.000"-5.000" OD Tube - 304 Stainless - Ace Race Parts

    M18 x 1.5 O2 Sensor Bung - Saddled for 3.000"-5.000" OD Tube - 304 Stainless

    SKU 26020
    $ 5.95 - $ 5.95
    $ 5.95
    $ 5.95 - $ 5.95
    $ 5.95
    25+ in stock

    The Ace Race Parts brand of metric Oxygen (O2) Sensor Bungs are precision machined using solid 304 Stainless Steel bar stock and work with all stan...

    View full details
  • M18 x 1.5 O2 Sensor Bung - Saddled for 3.000"-5.000" OD Tube - CP2 Titanium - Ace Race Parts

    M18 x 1.5 O2 Sensor Bung - Saddled for 3.000"-5.000" OD Tube - CP2 Titanium

    SKU 74002
    $ 14.00 - $ 14.00
    $ 14.00
    $ 14.00 - $ 14.00
    $ 14.00
    25+ in stock

    Ace Race Parts O2 Sensor Bungs accept all standard O2 sensors and are precision machined from CP2 Titanium and are offered with a saddled seating s...

    View full details
  • M18 x 1.5 O2 Sensor Bung - Stepped (Flat Bottom) - 304 Stainless - Ace Race Parts
    Sold out

    M18 x 1.5 O2 Sensor Bung - Stepped (Flat Bottom) - 304 Stainless

    SKU 26001
    $ 5.95 - $ 5.95
    $ 5.95
    $ 5.95 - $ 5.95
    $ 5.95
    More on the way!

    The Ace Race Parts brand of metric Oxygen (O2) Sensor Bungs are precision machined using solid 304 Stainless Steel bar stock and work with all stan...

    View full details
  • M18 x 1.5 O2 Sensor Bung - Stepped (Flat Bottom) - Mild Steel - Ace Race Parts

    M18 x 1.5 O2 Sensor Bung - Stepped (Flat Bottom) - Mild Steel

    SKU 26003
    $ 2.00 - $ 2.00
    $ 2.00
    $ 2.00 - $ 2.00
    $ 2.00
    In stock

    The Ace Race Parts brand of metric Oxygen (O2) Sensor Bungs are precision machined using solid 1018 Mild Steel bar stock and work with all standard...

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  • M18 x 1.5 O2 Sensor Bung 45° Angle Cut - 304 Stainless - Ace Race Parts
    Sold out

    M18 x 1.5 O2 Sensor Bung 45° Angle Cut - 304 Stainless

    SKU 26007
    $ 5.95 - $ 5.95
    $ 5.95
    $ 5.95 - $ 5.95
    $ 5.95
    Out of stock

    The Ace Race Parts brand of metric Oxygen (O2) Sensor Bungs are precision machined using solid 304 Stainless Steel bar stock and work with all stan...

    View full details
  • M18 x 1.5 O2 Sensor Bung Plug - Mild Steel - Ace Race Parts
    Sold out

    M18 x 1.5 O2 Sensor Bung Plug - Mild Steel

    SKU 26004
    $ 2.50 - $ 2.50
    $ 2.50
    $ 2.50 - $ 2.50
    $ 2.50
    Out of stock

    The Ace Race Parts brand of metric Oxygen (O2) Sensor Bung Plugs are precision machined using 1018 Mild Steel and work with all standard O2 Sensor ...

    View full details