Walker 350-33091 Oxygen Sensor - Upstream

Overview of Walker 350-33091 Oxygen Sensor

The Walker 350-33091 oxygen sensor is a heated, threaded sensor designed for specific vehicle applications. It features a 15.28-inch wiring harness and a radiused polygon female connector, ensuring precise fitment and reliable performance in emission control systems.

• Heated oxygen sensor type for faster response times
• 15.28-inch wiring harness length for optimal installation flexibility
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure electrical connection
• Three-wire design with 20 gauge wire for durability and signal accuracy
• Overall length of 18.82 inches for proper sensor placement

Detailed Product Description

This Walker oxygen sensor, part number 350-33091, is engineered to meet the specifications of certain vehicle makes and models requiring a heated sensor with a threaded mounting style. The sensor’s 20 gauge wire and three-wire configuration support accurate oxygen level readings, which are critical for engine management and emissions control. The radiused polygon female connector ensures a secure and precise electrical connection, reducing the risk of signal loss or corrosion. With an overall length of 18.82 inches and a wiring harness length of 15.28 inches, this sensor provides the necessary reach and fitment for designated applications.

Walker Products Aftermarket offers this sensor as part of their emission control sensor line, focusing on delivering components that meet or exceed OEM standards. This product line emphasizes compatibility and durability, providing technicians and vehicle owners with reliable replacement parts tailored to specific vehicle requirements.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for improved engine performance
• Helps resolve check engine light codes related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Prevents rough idling and poor fuel economy caused by faulty sensors
• Supports compliance with emission regulations for specific vehicle models

Installation Notes and Tips

• Verify vehicle compatibility before installation using the part number 350-33091
• Ensure the sensor’s threaded mounting and connector type match the vehicle’s original equipment
• Use anti-seize compound on the threads to facilitate future removal
• Disconnect the battery before installation to avoid electrical shorts
• Check wiring harness length and connector shape for proper fitment

Quality Assurance and Warranty

Walker Products Aftermarket maintains strict quality control standards for their oxygen sensors, including the 350-33091 model. Each sensor undergoes testing to ensure accurate readings and durability under typical operating conditions. While specific warranty details may vary, Walker generally offers coverage against manufacturing defects to provide confidence in product reliability.