Walker Products 250-241272 Direct Fit Oxygen Sensor Narrow-Band Sensor - 4-Wire O2

The Walker Products 250-241272 is a 4-wire direct fit narrow-band oxygen sensor engineered to deliver OEM-quality performance for precise engine management. This O2 sensor monitors oxygen levels in the exhaust stream and produces a voltage signal that helps the vehicle's Engine Control Unit (ECU) optimize the air-fuel mixture for improved fuel economy, reduced emissions, and enhanced engine performance.

Key Features:

• Direct fit design with OE-style connectors for seamless installation
• 4-wire configuration for heated oxygen sensor applications
• Narrow-band technology for accurate air-fuel ratio monitoring
• Engineered and tested to meet or exceed OEM specifications
• Features protective coating to prevent contamination from exhaust residue
• 100% performance tested in the USA for reliability
• ISO9001/IATF16949 certified manufacturing quality

Walker Products has been a trusted name in engine management sensors and fuel system components since 1946. Each oxygen sensor is manufactured for specific vehicle applications and fitment positions, ensuring proper diagnostic feedback to the ECU. This sensor helps prevent issues such as poor engine performance, increased fuel consumption, elevated emissions, and malfunction indicator light (MIL) illumination caused by failed oxygen sensors.

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