The 4-wire wide-band air/fuel ratio sensor is a replacement sensor for 2016-2024 Infiniti Q50, 2017-2022 Infiniti Q60, 2023-2026 Nissan Z and 2019-2022 Renault KWID. It reports the exhaust air-fuel ratio so the engine computer can meter fuel precisely. A built-in heater brings the element to operating temperature quickly after a cold start.

Walker Products 350-64118 Air/Fuel Ratio Sensor Features:

• Fits 2016-2024 Infiniti Q50; 2017-2022 Infiniti Q60; 2023-2026 Nissan Z; 2019-2022 Renault KWID
• Engine coverage includes 1.0L I3, 3.0L V6 applications
• Used in both upstream and downstream positions, depending on application
• 4-wire wide-band air/fuel ratio sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex, 300 mm (11.8 in.) overall length
• Male rectangle connector at the harness end
• Platinum electrode layer with a protective coating against combustion residue