Walker 350-33033 Oxygen Sensor - Upstream

Overview of Walker Oxygen Sensor for Volvo 940

The Walker 350-33033 oxygen sensor is designed specifically for Volvo 940 models, 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 for accurate emissions monitoring
• Specific fit for Volvo 940 vehicles
• 33.39 inches wiring harness length for flexible placement
• 20 gauge wire with 3-wire configuration
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 36.93 inches for proper fitment

Detailed Product Description

The Walker 350-33033 oxygen sensor is engineered to meet the emission control requirements of Volvo 940 vehicles. As a heated sensor, it quickly reaches operating temperature to provide accurate oxygen level readings to the engine control unit (ECU). The 3-wire design and 20 gauge wiring ensure consistent signal transmission, while the 33.39-inch wiring harness length allows for convenient routing within the engine bay. The sensor’s threaded mounting type with an 18.0 mm diameter thread ensures a secure and leak-free installation. The radiused polygon male connector is designed for a precise fit, reducing the risk of connection issues.

Walker Products Aftermarket Line

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. Walker Products Aftermarket parts are designed to meet or exceed OEM specifications, offering a direct replacement solution for Volvo 940 owners requiring emission sensor maintenance or repair.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Volvo 940
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data to the ECU
• Prevents check engine light triggers caused by sensor malfunctions
• Improves fuel efficiency by maintaining proper combustion control

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector compatibility with the radiused polygon male plug
• Route wiring harness carefully to avoid heat sources and moving parts
• Check for proper torque on the 18.0 mm threaded sensor to prevent leaks

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. The 350-33033 part number undergoes rigorous testing to comply with emission control requirements. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship under normal use.