Walker Products 350-64037 Air Fuel Ratio Oxygen Sensor - 4-Wire

The Walker Products 350-64037 is a premium air fuel ratio oxygen sensor engineered to deliver original equipment quality and performance. This 4-wire air fuel ratio sensor monitors the oxygen content in the exhaust stream to provide precise feedback to the vehicle's Engine Control Unit (ECU), enabling optimal air-fuel mixture calibration for improved fuel economy, reduced emissions, and enhanced engine performance.

Key Features:

• Original equipment replacement quality with OE-style fit and function
• 4-wire air fuel ratio sensor design for accurate real-time monitoring
• Platinum-coated electrodes resist contamination and erosion from exhaust particulates
• Engineered and tested to meet or exceed OEM specifications
• ISO 9001:2008 and TS16949 certified manufacturing quality
• Provides critical diagnostic feedback to optimize combustion efficiency

Walker Products has been a trusted manufacturer of engine management sensors and fuel system components since 1946. Each sensor undergoes rigorous quality inspection and testing before packaging to ensure reliable, long-lasting performance. The air fuel ratio sensor plays a vital role in modern engine management systems by continuously measuring exhaust oxygen levels, allowing the ECU to fine-tune the air-fuel mixture for maximum efficiency and minimum emissions.