Walker 350-34693 Oxygen Sensor - Downstream

Overview of Walker Oxygen Sensor 350-34693

The Walker 350-34693 oxygen sensor is designed specifically for select Mazda models, including the Mazda 3, 3 Sport, 6, CX-5, and CX-9. This heated oxygen sensor provides accurate emissions monitoring to help maintain engine performance and fuel efficiency.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Mazda 3, 3 Sport, 6, CX-5, and CX-9
• Threaded mounting type with 18.0 mm thread diameter
• Connector features a radiused polygon shape and female gender
• Wiring harness length of 25.12 inches and overall length of 28.66 inches
• Wire gauge measurement of 20 for reliable signal transmission

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34693) is engineered to meet the specific requirements of various Mazda vehicles. The sensor is heated, which allows it to reach operating temperature quickly for accurate oxygen level readings. It features a 4-wire design, ensuring proper heater circuit and signal output. The threaded mounting type with an 18.0 mm diameter allows for secure installation in the exhaust system. The connector is designed with a radiused polygon shape and female gender to match factory wiring harnesses, simplifying replacement.

Compatible Mazda Models and Applications

This oxygen sensor is compatible with the following Mazda vehicles:

• Mazda 3 and Mazda 3 Sport
• Mazda 6
• Mazda CX-5
• Mazda CX-9

Using the correct oxygen sensor like the Walker 350-34693 ensures proper emissions control and engine management for these models.

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 problems

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 compatibility with the factory wiring harness (radiused polygon, female)
• Apply anti-seize compound on threads if recommended by manufacturer
• Clear any diagnostic trouble codes after installation

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM specifications. The 350-34693 oxygen sensor undergoes rigorous testing to ensure durability and reliable performance. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.