Walker 250-241125 Oxygen Sensor

Reliable Oxygen Sensor for Buick, Cadillac, Saab, and Saturn Vehicles

The Walker Products OE 250-241125 oxygen sensor is designed to provide accurate emissions monitoring for specific Buick, Cadillac, Saab, and Saturn models. This heated oxygen sensor ensures optimal engine performance and emission control by delivering precise air-fuel mixture data to the vehicle's engine control unit.

• Heated oxygen sensor with 4-wire design for efficient operation
• Specific fit for Buick 9-3, Cadillac CTS, Saab 9-3, Saturn Rendezvous, and Vue models
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• 13.31-inch wiring harness length with radiused polygon female connector
• Wire gauge measurement of 20 for reliable electrical conductivity
• Overall length of 16.85 inches to accommodate proper sensor placement

Walker Products OE Line Overview

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed manufacturer specifications. The 250-241125 oxygen sensor is part of this line, ensuring compatibility and performance consistent with factory-installed components. This product line emphasizes precise fitment and durability, making it suitable for emission control systems in select Buick, Cadillac, Saab, and Saturn vehicles.

Detailed Product Description

This Walker oxygen sensor features a heated sensor type with a 4-wire configuration, which allows for faster sensor warm-up and improved accuracy in measuring oxygen levels in the exhaust gases. The sensor’s 18.0 mm threaded mounting ensures a secure and leak-free fit. The wiring harness length of 13.31 inches and the radiused polygon female connector provide a reliable electrical connection tailored to the specific vehicle models listed. With an overall length of 16.85 inches, this sensor is designed to fit precisely within the exhaust system layout of Buick 9-3, Cadillac CTS, Saab 9-3, Saturn Rendezvous, and Vue models.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces harmful emissions by providing accurate feedback to the engine control unit
• Resolves engine performance issues related to faulty oxygen sensors
• Prevents check engine light triggers caused by sensor malfunctions
• Improves fuel economy by ensuring optimal sensor operation

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Walker 250-241125 sensor into the exhaust manifold or pipe. Ensure the sensor is tightened to manufacturer torque specifications to avoid leaks. The radiused polygon female connector should be securely connected to the vehicle’s wiring harness. It is recommended to inspect the wiring and connector for damage before installation. Use anti-seize compound on the sensor threads if specified by the vehicle manufacturer to facilitate future removal.

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 250-241125 is engineered to match original equipment specifications for the listed Buick, Cadillac, Saab, and Saturn models. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region.