Walker 250-24847 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-24847

The Walker Products OE Oxygen Sensor 250-24847 is designed specifically for select Buick, Cadillac, and Chevrolet models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Buick Cruze, Cruze Limited, Cadillac ELR, Chevrolet Encore, Sonic, Trax, and Volt
• 18.23-inch wiring harness length with 22-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 21.77 inches to accommodate factory fitment requirements

Detailed Product Features and Specifications

This oxygen sensor features a heated sensor type that allows for faster warm-up times and improved emissions control under various operating conditions. The 4-wire configuration includes two wires for the heating element and two for the sensor signal, ensuring accurate and stable readings. The wiring harness length of 18.23 inches and 22-gauge wire measurement provide a balance of flexibility and durability, suitable for the specific routing in compatible vehicles.

The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure and leak-free fit in the exhaust system. The radiused polygon male connector is designed to match the factory harness, preventing connection issues and ensuring proper electrical contact. With an overall length of 21.77 inches, this sensor fits precisely in the designated location without modification.

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 from the Walker Products OE line is engineered to provide reliable emissions control and maintain vehicle performance, making it a suitable replacement for the original sensor in Buick, Cadillac, and Chevrolet models.

Applications and Common Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunctions

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the new sensor into the exhaust manifold or pipe. Use an oxygen sensor socket or appropriate tool to avoid damage. Ensure the connector is securely attached to the vehicle’s wiring harness, matching the radiused polygon male connector. Avoid over-tightening the sensor to prevent thread damage. It is recommended to check for any exhaust leaks after installation.

Quality Assurance and Warranty

The Walker Products OE oxygen sensor 250-24847 is manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.