Walker Products 350-34251 Oxygen Sensor 4-Wire Direct Fit Narrow-Band

The Walker Products 350-34251 is a premium direct-fit oxygen sensor engineered to deliver original equipment quality and performance. This 4-wire narrow-band oxygen sensor is manufactured to exacting specifications for precise fitment and reliable engine management system feedback.

Key Features:

• 4-wire configuration for heated sensor operation providing faster response times
• Direct-fit design ensures exact OEM fit, form, and function for hassle-free installation
• Narrow-band technology accurately monitors oxygen content in exhaust gases
• Gas-permeable platinum electrodes provide fast, accurate oxygen sensing
• Laser-welded body and dual lower shield design for durability
• Plasma-sprayed protective coating prevents contamination from combustion residue
• High-temperature sleeving protects wiring harness from exhaust heat
• 100% performance tested to ensure quality and reliability

This oxygen sensor measures the oxygen content in your vehicle's exhaust stream, allowing the engine control unit to optimize the air-fuel mixture for improved fuel economy, reduced emissions, and enhanced engine performance. Walker Products has been manufacturing fuel system components and engine management sensors since 1946, and is ISO9001/IATF 16949 certified for exceptional quality control.

California Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.