Walker Products 350-34213 Oxygen Sensor 4-Wire Heated Downstream Direct Fit

The Walker Products 350-34213 is a premium quality 4-wire heated oxygen sensor designed as a direct-fit downstream replacement for original equipment. This sensor monitors exhaust gas oxygen content to help your vehicle's engine control module optimize air-fuel ratios for improved fuel economy, reduced emissions, and enhanced engine performance.

Key Features:

• Direct-fit design with OE-style connectors for easy, plug-and-play installation
• 4-wire heated narrow-band configuration for accurate downstream monitoring
• Dual lower shield design with laser-welded body and shield for durability
• Ceramic sensing element with plasma-sprayed protective coating
• High-temperature sleeving protects wiring from exhaust heat
• Platinum-coated electrodes resist contamination and combustion residue
• Engineered, assembled, and 100% performance tested in the USA
• Meets or exceeds OEM specifications for fit, form, and function

Walker Products has been a trusted manufacturer of fuel system components and engine management sensors since 1946. As an ISO 9001:2008 and TS16949 certified company, Walker ensures rigorous quality control and testing on every sensor. This oxygen sensor delivers the exact OE fit and reliable diagnostic feedback required by your vehicle's ECU, helping to prevent check engine lights and maintain optimal engine operation.