Walker 250-241132 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker Products OE Oxygen Sensor 250-241132

The Walker Products OE Oxygen Sensor 250-241132 is designed for precise emission control in select Buick, Cadillac, Chevrolet, and GMC vehicles. This heated oxygen sensor features a specific fitment and advanced wiring to ensure accurate readings and reliable performance.

• Heated oxygen sensor with 4-wire design for efficient operation
• Specific fitment for Buick, Cadillac, Chevrolet, and GMC models
• 12.32-inch wiring harness length with 20-gauge wire for durability
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• Radiused polygon male connector for proper electrical connection
• Overall length of 15.87 inches to match OEM specifications

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-241132) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring stable and accurate oxygen level readings. The wiring harness length of 12.32 inches and 20-gauge wire gauge measurement are optimized for durability and fitment within the engine bay. The sensor’s threaded mounting type with an 18.0 mm diameter allows for straightforward installation in compatible exhaust systems. The radiused polygon male connector ensures a secure and precise electrical connection, reducing the risk of signal loss or corrosion.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment specifications. This oxygen sensor is part of that line, designed to provide reliable performance and fitment for specific vehicle applications. Using parts from the Walker Products OE line helps maintain factory-level emission standards and sensor accuracy.

Compatible Vehicles and Common Applications

This oxygen sensor is compatible with a range of Buick, Cadillac, Chevrolet, and GMC models, including but not limited to:

• Buick LaCrosse, Regal, Regal Sportback, Regal TourX
• Cadillac ATS, CT6, CTS, Escalade, Escalade ESV
• Chevrolet Camaro, Colorado, Corvette, Equinox, Impala, Malibu, Silverado 1500, Silverado 2500, Suburban 3500 HD, Tahoe, Traverse
• GMC Acadia, Canyon, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Terrain, Yukon, Yukon XL

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor failure or slow response
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and gender match the vehicle’s wiring harness before installation. Tighten the sensor to the manufacturer’s torque specifications to prevent leaks or sensor damage. It is recommended to clear any diagnostic trouble codes after installation to reset the vehicle’s computer system.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet original equipment standards for fit, form, and function. This part number 250-241132 undergoes rigorous testing to ensure durability and accurate sensor readings. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.