Walker 350-34260 Oxygen Sensor - Downstream or Upstream

Overview of Walker Oxygen Sensor 350-34260

The Walker 350-34260 oxygen sensor is designed specifically for Ford Escort and Mercury Tracer models. 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 sensor type for faster response times
• Specific fit for Ford Escort and Mercury Tracer
• 19.61-inch wiring harness length for proper installation
• 22 gauge wire measurement with 4 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 23.15 inches for correct fitment

Walker Products Aftermarket Line Details

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM specifications. This oxygen sensor from Walker Products Aftermarket is engineered to deliver consistent performance and durability, making it a suitable choice for maintaining emission standards on Ford Escort and Mercury Tracer vehicles.

Technical Description and Attributes

This oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 22 gauge wire measurement and 4-wire configuration ensure accurate signal transmission to the engine control unit. The radiused polygon male connector provides a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter ensures proper installation. The wiring harness length of 19.61 inches and overall length of 23.15 inches are designed to match the specific routing and fitment requirements of the Ford Escort and Mercury Tracer.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and engine hesitation
• Reduces increased emissions and failed emissions tests
• Prevents poor fuel economy caused by faulty sensors
• Eliminates check engine light codes related to oxygen sensor failure

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Disconnect the battery prior to sensor replacement to prevent electrical shorts. Use a proper oxygen sensor socket to avoid damage to the sensor or wiring harness. Verify the connector shape and gender match the vehicle’s harness for a secure connection. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 350-34260 should be confirmed at the point of purchase, Walker typically offers limited warranties covering defects in materials and workmanship to ensure reliability in emission control applications.