What size threads does this O2 bung have?

This O2 sensor bung has M18 x 1.50 threads. This is a common size for many factory and aftermarket oxygen sensors.

What is the 'double cut' and 'coped' feature for?

The 'double cut' and 'coped' design means the end of the bung is shaped to fit snugly against a round tube. This allows for a cleaner, more secure weld when installing it onto an exhaust pipe.

What material is this O2 bung made from?

This O2 sensor bung is made from stainless steel. This material is chosen for its resistance to heat and corrosion in exhaust environments.

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Trusted Since 1957

Est. 1957

Kooks Universal O2 Fitting/ SS Double Cut

Specifications

Brand: Kooks Headers
Part #: 9002S-C
UPC: 842422122881

Kooks Universal O2 Fitting/ SS Double Cut

Name: Kooks Universal O2 Fitting/ SS Double Cut
Brand: Kooks Headers
SKU: kooks-headers-kooks-universal-o2-fitting-ss-double-cut-t14-4357467
Price: 4.04 USD
Availability: BackOrder

$4.04

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Kooks Headers O2 Sensor Bung. Stainless steel with M18 x 1.50 threads for welding to round tubing.

Key Features

Fits custom exhaust fabrication projects.
Features M18 x 1.50 threads for O2 sensors.
Constructed from durable stainless steel.
Coped on one side for a flush weld to round tubing.
Made in the USA.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

This is a Kooks Headers O2 Sensor Bung, part number 9002S-C. It's made from stainless steel and features M18 x 1.50 threads, designed to be welded onto round tubing for custom exhaust fabrication.

The bung is coped on one side, which helps it sit flush when welded to a round pipe, making for a cleaner installation. Since it's stainless steel, it'll hold up well against exhaust heat and corrosion. This is a common part for anyone building a custom exhaust system or adding an aftermarket wideband O2 sensor.