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Oxygen (O2) Sensor Weld-In Bung (18 x 1.5mm Internal Threads)

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The Edelbrock #91172 Weld-In Oxygen Sensor Bung is for All Edelbrock Pro-Flo EFI Systems, E-Street EFI, QwikData 2, or any application requiring an Oxygen Sensor installed in the Exhaust system. This part is machined from steel stock with an 18 x 1.5mm internal thread.


Availability Available
Application Universal
GTIN 00085347911721
Availability Note Available to Order
Warranty 12 Months
Emissions Code N/A
Hazardous Materials Warning WARNING: This product can expose you to Chrome, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes No
Inside Diameter 0.658 in
Length 0.4 in
Material Metal
Outside Diameter 1.0 in
Thickness 0.17 in