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Denso Wideband/Primary O2 Sensor (K-Series)
Denso Wideband/Primary O2 Sensor (K-Series)
Denso Wideband/Primary O2 Sensor (K-Series)
Denso Wideband/Primary O2 Sensor (K-Series)

Denso Wideband/Primary O2 Sensor (K-Series)

$249.99 Sale

This is the primary wide band O2 sensor for 02-04 RSX Type-S, it will not work with an 05-06 RSX Type-S. It allows your ECU to determine Air Fuel ratios in real time and adjust fuel maps accordingly.