Front Oxygen Sensor GRB Caliper Overhaul Kit Fits all turbocharged EJ and

Fits all turbocharged EJ and FA models

5in slip fit inlet with 3

A double bridged forging design and slipper skirt ensures incredible rigidity while keeping mass to a minimum making it superior for performance and reliability under extreme conditions

13293AA051 (No

Front Oxygen Sensor GRB Caliper Overhaul Kit Fits all turbocharged EJ andThis sensor measures the oxygen content in the exhaust system pre catalyst. An oxygen sensor (or AF sensor) can establish the air fuel ratio by measuring the excess oxygen left over from the combustion process. The front air fuel (AF) sensor is used by the ECU for fuel calculations during closed loop fueling. A faulty sensor can result in poor engine operation or stalling and may set a CEL. Manufacturer Part No.: 22641AA510 NOTE: OEM (Original