This 4-wire narrow-band oxygen sensor fits select 2006-2024 Chevy and Suzuki applications and signals whether the exhaust is running rich or lean so the engine computer can trim fuel delivery. A built-in heater brings the element to operating temperature quickly after a cold start.

Walker Products 350-34187 Oxygen Sensor Features:

• Fits 2006-2008 Chevy Optra, Suzuki Forenza, Reno; 2018-2021 Chevy Cavalier; 2018 Chevy Nuevo Aveo; 2019-2023 Chevy Aveo; 2022-2024 Chevy Groove
• Fits 2022-2023 Chevy Tornado Van
• Engine coverage includes 1.5L I4, 2.0L I4 applications
• Sensor location by application: B1S2 (bank and sensor number)
• Used in both upstream and downstream positions, depending on application
• 4-wire narrow-band oxygen sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex, 375 mm (14.8 in.) overall length
• Male square connector at the harness end with 4 spade terminals
• Platinum electrode layer with a protective coating against combustion residue