Oxygen O2 Sensor M18 X 1.5 Extender Spacer Adapter Bung Catalytic Converter CEL

100% quality assurance tested, more responsive, less expensive, easier to install.

Direct replacement, durable and have high strength to use.

Prevent certain oil and excess fuel from entering the pipe.

Built in micro catalytic converter, eliminate checking engine light (CEL) after modifing exhaustor or removing catalytic converter.

Solve the problem of P0420/P0042 codes faulty.

Easy installation, direct bolt-on, no modification needed.

Fits M18 x 1.5 threads.