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Oxygen Sensor Weld Bungs and Fittings

Most oxygen sensors use a standard 18x1.5mm thread pitch. Our weld bungs and fittings all have this thread. We also offer a Thread Repair Kit in the proper size (Part No. 3870-18x1.5) to repair stripped threads.

Recent Top Seller for this product group

Stainless Weld Bung for O2 Sensor, 18 x 1.5mm

Stainless Weld Bung for O2 Sensor, 18 x 1.5mm

Add a new or replace a damaged oxygen sensor bung with this stainless steel weld-in bung with M18x1.5mm threads.

Image
Part No.
Description
Price
Status
K&N Mild Steel Weld Fitting for Oxygen Sensor

3883 

K&N Mild Steel Weld Fitting for Oxygen Sensor

$14.49In Stock
Mild Steel Weld Fitting for O2 Sensor, 1/2" Reach w/Plug

3878-3735 

Mild Steel Weld Fitting for O2 Sensor, 1/2" Reach w/Plug

$9.99In Stock
Mild Steel Weld Bung for O2 Sensor, 1" Reach w/Plug

3878-3764 

Mild Steel Weld Bung for O2 Sensor, 1" Reach w/Plug

$9.99In Stock
Stainless Weld Bung for O2 Sensor, 1 Inch Long with Plug

3878-3838 

Stainless Weld Bung for O2 Sensor, 1 Inch Long with Plug

$9.99In Stock
Mild Steel Weld Fitting for O2 Sensor, 45 Degree Angled

3228-127 

Mild Steel Weld Fitting for O2 Sensor, 45 Degree Angled

 
5.0
$10.99In Stock
Stainless Weld Bung for O2 Sensor, 18 x 1.5mm

AF991SS 

Stainless Weld Bung for O2 Sensor, 18 x 1.5mm

$5.49In Stock
Innovate HBX-1 Heat Sink O2 Sensor Bung Extender

3878-3729 

Innovate HBX-1 Heat Sink O2 Sensor Bung Extender

$88.99In Stock
K&N Mild Steel Oxygen Sensor Blanking Plug, 18 x 1.5mm

3884 

K&N Mild Steel Oxygen Sensor Blanking Plug, 18 x 1.5mm

$18.49In Stock
Stainless O2 Sensor Blanking Plug, 18 x 1.5mm

AF992SS 

Stainless O2 Sensor Blanking Plug, 18 x 1.5mm

 
5.0
$5.29In Stock
Optional Tailpipe Clamp Mount for Oxygen Sensor

3877-CLAMP 

Optional Tailpipe Clamp Mount for Oxygen Sensor

$83.99In Stock