The 5-wire wide-band oxygen sensor is a replacement sensor for select 2021-2026 Genesis, Hyundai and Kia applications in the upstream position. It measures the exhaust air-fuel ratio across a broad range 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 250-25190 Oxygen Sensor Features:

• Fits 2021-2026 Genesis G80, GV80, Hyundai Santa Fe, Sonata; 2022-2026 Genesis GV70, Hyundai Santa Cruz; 2023-2026 Genesis G90; 2025-2026 Genesis GV80 Coupe
• Fits 2021-2024 Kia K5, Sorento
• Engine coverage includes 2.5L I4, 3.5L V6 applications
• 5-wire wide-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 6 spade terminals
• Platinum electrode layer with a protective coating against combustion residue