The 4-wire narrow-band oxygen sensor is a replacement sensor for select 2016-2024 Seat and Volkswagen applications in the downstream position. It 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 350-341083 Oxygen Sensor Features:

• Fits 2018-2023 Seat Arona, Ibiza; 2016-2017 Volkswagen Caddy; 2020 Volkswagen Jetta; 2020-2023 Volkswagen T-Cross; 2020-2024 Volkswagen Virtus
• Engine coverage includes 1.2L I4, 1.6L I4 applications
• 4-wire narrow-band oxygen sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex
• Female oblong connector at the harness end with 4 spade terminals
• Platinum electrode layer with a protective coating against combustion residue