Walker 350-35112 Oxygen Sensor - Upstream

Overview of Walker 350-35112 Oxygen Sensor for BMW Models

The Walker 350-35112 oxygen sensor is designed specifically for select BMW vehicles, including the 340i, 440i, 540i, and X3 models. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data to the engine control unit.

• Heated sensor type for faster response times
• Specific fit for various BMW models including 340i, 440i, and X3
• 12.32-inch wiring harness length with 5 wires and 20 gauge measurement
• Female connector with an 18mm thread diameter
• Overall length of 15.87 inches for proper installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products Aftermarket is engineered with a heated sensor element to reduce warm-up time, improving emissions control efficiency. The wiring harness length of 12.32 inches and 5-wire configuration with 20 gauge wire ensures reliable electrical connectivity and signal transmission. The female connector and 18mm thread diameter provide a secure and precise fit for the specified BMW models. The overall length of 15.87 inches supports proper placement within the exhaust system, maintaining sensor accuracy and durability.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a direct replacement solution tailored for specific BMW vehicles. The product line emphasizes compatibility and quality to support emission compliance and engine management systems.

Applications and Common Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by providing precise air-fuel ratio data
• Prevents rough idling and engine performance issues caused by faulty sensors
• Supports proper operation of catalytic converters

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use appropriate tools to remove the old sensor and install the Walker 350-35112 oxygen sensor with the 18mm thread diameter. Verify the female connector is securely attached to the vehicle wiring harness. Avoid damaging the wiring harness during installation and confirm the sensor is properly seated to prevent exhaust leaks.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.