Walker 250-241133 Oxygen Sensor

Overview of Walker Products OE Oxygen Sensor 250-241133

The Walker Products OE Oxygen Sensor 250-241133 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 fast response
• Specific fitment for Buick, Cadillac, Chevrolet, and GMC models
• 12.32-inch wiring harness length with 20-gauge wire
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 15.87 inches for proper installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a heated sensor type that improves warm-up time and sensor accuracy. The 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, supporting stable operation under various engine conditions. The wiring harness length of 12.32 inches and 20-gauge wire gauge measurement provide durability and ease of routing within the engine bay. The radiused polygon male connector ensures a precise and secure fit, minimizing the risk of disconnection or signal loss. The sensor mounts via a threaded design with an 18.0 mm diameter, compatible with the exhaust ports of specific Buick, Cadillac, Chevrolet, and GMC models.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with the original sensor installed on vehicles such as the Chevrolet Silverado 2500 HD, Cadillac Escalade, and Buick LaCrosse. The OE line emphasizes precise fitment and reliable emission control components tailored to specific vehicle applications.

Compatible Vehicles and Common Applications

• Buick LaCrosse, Regal, and Verano models
• Cadillac Escalade, CTS, ATS, and CT6
• Chevrolet Silverado 2500 HD, Tahoe, Suburban 3500 HD, Camaro, and Malibu
• GMC Sierra 1500 Limited, Sierra 2500 HD, Sierra 3500 HD, Canyon, and Yukon XL

Common Issues Addressed by Oxygen Sensor 250-241133

• Engine performance problems due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Poor fuel economy caused by faulty sensor readings
• Check Engine Light triggered by oxygen sensor faults
• Rough idling or hesitation during acceleration

Installation Notes and Tips

Ensure the engine is cool before removing the old oxygen sensor to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove and install the sensor. Verify the connector type matches the vehicle harness to prevent electrical issues. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications. Inspect wiring for damage and secure the harness to prevent contact with hot exhaust components.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing for durability and accuracy. This part number 250-241133 is backed by Walker's quality assurance protocols, providing confidence in fitment and function. Warranty details are available through the manufacturer and typically cover defects in materials and workmanship.