Walker 250-25128 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Walker Products OE Oxygen Sensor 250-25128

The Walker Products OE Oxygen Sensor 250-25128 is designed for precise emission control in specific vehicle models. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring a secure and accurate fit for select Buick, Cadillac, Chevrolet, Chrysler, Dodge, Fiat, GMC, Jeep, and Ram vehicles.

• Heated oxygen sensor for improved response time
• Specific fit for select Buick, Cadillac, Chevrolet, Chrysler, Dodge, Fiat, GMC, Jeep, and Ram models
• Threaded mounting type with 18.0 mm thread diameter
• 15.39 inches wiring harness length with 5 wires of 20 gauge
• Radiused polygon male connector for reliable connection
• Overall length of 18.89 inches for proper installation depth

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 250-25128) is engineered with a heated sensor element to provide faster warm-up times and more accurate oxygen level readings. The sensor includes a 15.39-inch wiring harness with five 20-gauge wires, allowing for precise electrical signal transmission. Its radiused polygon male connector ensures a secure and specific fit, reducing the risk of connection issues. The threaded mounting type with an 18.0 mm diameter thread allows for straightforward installation in compatible exhaust systems. The overall length of 18.89 inches is designed to meet OEM specifications for proper sensor placement.

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 in your vehicle. Using a Walker Products OE sensor helps maintain emission control system integrity and supports compliance with environmental regulations.

Compatible Vehicles and Common Applications

• Buick Regal Sportback and Regal TourX
• Cadillac ATS, CT4, CT6, CTS
• Chevrolet Camaro, Corvette, Malibu, Equinox, Traverse, Silverado 1500, Sierra 1500
• Chrysler 200
• Dodge Challenger, Charger, Durango
• Fiat 500X
• GMC Sierra 1500, Sierra 1500 Limited, Terrain, Yukon
• Jeep Cherokee, Compass, Renegade
• Ram ProMaster City

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor engine performance
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor failure
• Reduced fuel efficiency from inaccurate oxygen level detection
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector type matches the vehicle harness before installation
• Do not over-tighten the sensor to prevent thread damage
• Check for any exhaust leaks after installation to ensure sensor accuracy

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and are tested for durability and performance. This part number 250-25128 comes with a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for emission control applications.