Walker 350-34140 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34140 Oxygen Sensor for Mazda Vehicles

The Walker 350-34140 oxygen sensor is designed specifically for select Mazda models, including the Mazda 6 and MPV. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Mazda 6 and MPV models
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Wiring harness length of 29.45 inches and overall length of 32.99 inches
• Wire gauge measurement of 20 for reliable signal transmission

Detailed Features and Specifications

This Walker oxygen sensor (part number 350-34140) features a heated sensor type that allows for faster warm-up times and improved sensor responsiveness. The 4-wire design supports both the sensor signal and heater circuit, ensuring consistent operation under various driving conditions. The sensor’s threaded mounting type with an 18.0 mm diameter provides a secure and precise fit in the exhaust system. The radiused polygon male connector is engineered for a reliable electrical connection, minimizing the risk of disconnection or signal loss. With a wiring harness length of 29.45 inches and an overall length of 32.99 inches, this sensor is designed to fit the specific layout of Mazda 6 and MPV exhaust systems.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. This oxygen sensor is part of their aftermarket line, providing a direct replacement solution for Mazda vehicles. The product line focuses on durability and precise fitment, ensuring compatibility and reliable performance in emission control applications.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control
• Helps resolve rough idling and poor fuel economy
• Reduces emissions by ensuring proper catalytic converter function
• Eliminates check engine light codes related to oxygen sensor failure
• Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Walker 350-34140 oxygen sensor, ensure the vehicle is compatible with this specific sensor for Mazda 6 and MPV models. Use proper tools to avoid damaging the threaded mounting. Verify the connector shape and gender match the vehicle’s wiring harness to ensure a secure connection. It is recommended to inspect the wiring harness for any damage before installation and to apply anti-seize compound on the threads if necessary to facilitate future removal.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34140 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship. This ensures dependable performance and peace of mind when replacing oxygen sensors on Mazda 6 and MPV vehicles.