The 4-wire narrow-band oxygen sensor is a replacement sensor for 2021-2026 Genesis G80, GV80, 2022-2026 Genesis GV70, 2023-2026 Genesis G90 and 2025-2026 Genesis GV80 Coupe with the 3.5L V6 engine 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 250-241325 Oxygen Sensor Features:

• Fits 2021-2026 Genesis G80, GV80; 2022-2026 Genesis GV70; 2023-2026 Genesis G90; 2025-2026 Genesis GV80 Coupe with the 3.5L V6 engine
• 4-wire narrow-band oxygen sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex
• Female square connector at the harness end with 4 spade terminals
• Platinum electrode layer with a protective coating against combustion residue