Walker 350-34197 Oxygen Sensor - Downstream or Downstream Rear

Overview of Walker 350-34197 Oxygen Sensor

The Walker 350-34197 oxygen sensor is designed specifically for select Cadillac, Saab, Saturn, and Volvo models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Cadillac, Saab, Saturn, and Volvo vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 38.7-inch wiring harness length with 4 wires of 22 gauge
• Radiused polygon male connector for secure connection
• Overall length of 42.24 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34197) features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor is designed with a 4-wire configuration and a radiused polygon male connector, ensuring a precise and reliable electrical connection. Its 38.7-inch wiring harness length and 42.24-inch overall length provide ample reach for installation in the exhaust system. The threaded mounting type with an 18.0 mm diameter thread ensures compatibility with specific vehicle exhaust ports.

Compatible Vehicles and Applications

This oxygen sensor is compatible with specific models from Cadillac, Saab, Saturn, and Volvo, including the Saab 9-3, 9-3X, BLS, and the Volvo S80, as well as Saturn L300, LS2, LW2, and LW300. Using the correct oxygen sensor like the Walker 350-34197 helps maintain proper air-fuel mixture and supports emission control systems in these vehicles.

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling caused by sensor malfunction
• Reduced engine performance and drivability issues

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 350-34197 oxygen sensor by threading it securely into the exhaust port. Connect the 4-wire harness to the vehicle’s wiring using the radiused polygon male connector, verifying a snug fit. Avoid twisting or damaging the wiring harness during installation to maintain sensor functionality.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM specifications. The 350-34197 oxygen sensor undergoes rigorous quality control to ensure durability and reliable performance. Warranty coverage details are provided by Walker and typically cover defects in materials and workmanship under normal use.