Walker 350-34162 Oxygen Sensor - Upstream

Overview of Walker 350-34162 Oxygen Sensor for BMW 735i

The Walker 350-34162 oxygen sensor is designed specifically for the BMW 735i, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for BMW 735i models
• 59.37 inches wiring harness length for flexible routing
• Thread diameter of 18.0 mm with threaded mounting
• Radiused polygon male connector for reliable connection
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 62.91 inches for proper fitment

Detailed Product Description

The Walker 350-34162 oxygen sensor is engineered to meet the exact specifications required by BMW 735i vehicles. As a heated sensor, it includes an integrated heating element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions during cold starts. The sensor’s 4-wire design supports both the sensor signal and the heater circuit, ensuring accurate oxygen level readings and consistent performance.

With a wiring harness length of 59.37 inches and an overall length of 62.91 inches, this oxygen sensor provides ample length for installation without strain. The 20-gauge wire ensures durability and reliable electrical conductivity. The radiused polygon male connector and 18.0 mm threaded mounting type facilitate a secure and precise fit, minimizing the risk of leaks or connection issues.

Walker Products Aftermarket Line

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM standards. Walker Products Aftermarket parts are designed to offer reliable performance and compatibility with specific vehicle makes and models, such as the BMW 735i, ensuring proper function within the vehicle’s emission system.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for optimal air-fuel mixture
• Helps resolve rough idling and engine hesitation
• Reduces increased emissions and failed emissions tests
• Prevents check engine light related to oxygen sensor faults
• Improves fuel economy by maintaining proper combustion

Installation Notes and Tips

When installing the Walker 350-34162 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector’s radiused polygon shape matches the vehicle harness for a secure connection. Avoid twisting or stretching the wiring harness during installation to maintain wire integrity.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. The 350-34162 part number undergoes rigorous testing to ensure durability and accurate sensor response. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.