Walker 250-241268 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Walker Products OE Oxygen Sensor 250-241268

The Walker Products OE Oxygen Sensor 250-241268 is designed for precise emission control in select GM vehicles. This oxygen sensor is compatible with various Buick, Cadillac, Chevrolet, and GMC models, ensuring accurate air-fuel mixture readings for optimal engine performance.

• Compatible with Buick LaCrosse and Regal Sportback
• Fits Cadillac Escalade and Escalade ESV
• Suitable for Chevrolet Camaro, Silverado 1500, Tahoe, and more
• Works with GMC Sierra 1500, Sierra 2500 HD, Yukon, and Yukon XL
• Walker Products OE line ensures OEM-level quality and fitment

Product Line Details: Walker Products OE

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor, part number 250-241268, is engineered to provide reliable performance and durability consistent with the standards expected by vehicle manufacturers. Using parts from the Walker Products OE line helps maintain the integrity of your vehicle’s emission system.

Detailed Product Description

The Walker 250-241268 oxygen sensor plays a critical role in monitoring the oxygen levels in the exhaust gases of compatible vehicles. By providing accurate feedback to the engine control unit (ECU), it helps regulate the air-fuel ratio for efficient combustion and reduced emissions. This sensor is designed to fit a range of GM vehicles including the Buick LaCrosse and Regal Sportback, Cadillac Escalade and Escalade ESV, Chevrolet Camaro, Express 2500/3500, Silverado 1500/LTD/2500 HD/3500 HD, Tahoe, and GMC Sierra and Yukon models.

Common Applications and Issues Addressed

• Helps resolve rough idling and engine hesitation
• Reduces excessive fuel consumption caused by faulty oxygen sensors
• Prevents check engine light triggers related to emission control
• Improves overall engine performance and emissions compliance
• Supports proper catalytic converter function

Installation Notes and Tips

When installing the Walker 250-241268 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor carefully. Apply anti-seize compound to the threads of the new sensor if not pre-coated. Confirm proper sensor orientation and connector fitment to avoid wiring issues. It is recommended to clear any diagnostic trouble codes after installation to reset the ECU.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 250-241268 may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports long-term vehicle reliability.