Manufacturer Part Number: 5WK91709 Oxygen Sensor built from durable material and designed to facilitate easy installation Key benefits - Provides accurate exhaust gas readings to support proper engine control and emissions compliance - Durable construction resists heat, vibration, and exhaust chemicals for longer service life - Easy installation helps reduce vehicle service time and labor costs Key attributes - Function: oxygen sensor for engine management - Material: durable construction for reliable performance - Compatibility: intended for use in systems that specify part 5WK91709 - Performance: dependable monitoring of exhaust composition to support fuel efficiency and emissions Use scenarios - Replacing a faulty sensor during routine maintenance on a passenger car or light truck - Diagnostics and repair when engine performance or fuel economy is affected and an O2 sensor fault is suspected - Spare part for fleet maintenance to minimize downtime during sensor replacement