Walker 350-34640 Oxygen Sensor - Downstream or Upstream

Overview of Walker Oxygen Sensor for Mini Cooper

The Walker 350-34640 oxygen sensor is designed specifically for Mini Cooper models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Wiring harness length: 22.17 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Mini Cooper vehicles
• Four-wire configuration with radiused polygon female connector
• Thread diameter: 18.0 mm
• Overall length: 25.71 inches
• Threaded mounting for reliable attachment

Detailed Product Description

This Walker oxygen sensor (part number 350-34640) is engineered to meet the exact specifications required by Mini Cooper vehicles. The heated sensor design allows for quicker activation and more accurate readings of exhaust gases, which helps maintain efficient fuel combustion and reduces harmful emissions. The four-wire setup includes a 20-gauge wiring harness measuring 22.17 inches, providing sufficient length for proper routing and connection. The radiused polygon female connector ensures a secure and precise fit, minimizing the risk of electrical issues. With an 18.0 mm thread diameter and a total length of 25.71 inches, this sensor installs easily using the threaded mounting type.

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on delivering reliable emission control components tailored to specific vehicle applications. Walker Products Aftermarket parts are designed to meet or exceed OEM standards, providing a dependable replacement option for maintaining emission system integrity.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for Mini Cooper exhaust systems
• Helps resolve engine performance problems related to faulty sensors
• Reduces increased emissions caused by sensor failure
• Prevents poor fuel economy due to incorrect air-fuel mixture
• Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded mounting removal and installation
• Verify connector type matches the vehicle harness before installation
• Do not over-tighten the sensor to prevent thread damage
• Check wiring harness routing to avoid contact with hot exhaust components

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards and provide consistent performance. While specific warranty details for part number 350-34640 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure reliability in emission control applications.