Walker 250-241188 Oxygen Sensor - Downstream or Upstream

Overview of Walker 250-241188 Oxygen Sensor for Buick, Chevrolet, GMC

The Walker 250-241188 oxygen sensor is designed specifically for select Buick, Chevrolet, and GMC models, including the Aveo, Cavalier, Cruze, Encore, Encore GX, Equinox, Malibu, Spark, Terrain, Trailblazer, Trax, and Volt. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.

• Heated sensor type for faster warm-up and improved efficiency
• Specific fitment for Buick, Chevrolet, and GMC vehicles
• 7.87-inch wiring harness length with 4 wires of 20 gauge
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 12.79 inches for proper installation

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-241188) is engineered to meet the exact specifications of your vehicle’s original equipment. Featuring a heated sensor element, it provides quicker activation and more reliable readings under various operating conditions. The sensor includes a 7.87-inch wiring harness with four 20-gauge wires, ensuring compatibility with the vehicle’s electrical system. Its radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter allow for a secure and precise fit. The overall length of 12.79 inches supports proper placement within the exhaust system.

Walker Products OE is a product line focused on delivering components that match original equipment standards. This oxygen sensor is part of that line, offering a direct replacement solution that maintains the integrity of your vehicle’s emission control system.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces emissions by providing accurate oxygen level data to the engine control unit
• Prevents engine performance issues such as rough idling or hesitation
• Addresses check engine light triggers related to oxygen sensor faults
• Supports fuel economy by ensuring optimal sensor operation

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools to avoid damaging the threaded mounting
• Verify connector type matches the vehicle harness before installation
• Apply anti-seize compound on threads if recommended by the vehicle manufacturer
• Check for proper sensor wiring and secure connection after installation

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The 250-241188 oxygen sensor undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.