ISR OE Replacement O2 Sensor - FAT Nissan 240sx SR20DET 1989-1998

Part #: OE-22690-50F03

ISR Performance O2 sensor are a great replacement for the worn out ones that often comes with the used SR20DET motors. Its always best to replace it to improve your gas mileage. For S13 Black top Sr20det utilize the FAT type 3 wire plug O2 sensors, also S14 SR20DET's also use the Fat type Sensor. To be safe, please look at your O2 sensor to determine which type you have and order accordingly.

** All ISR Performance Products are Designed for Off Road Use Only **

Note: ISR orders might take a day of processing. If you need it sooner, contact us directly.