Walker 350-34077 Oxygen Sensor - Downstream

Overview of Walker 350-34077 Oxygen Sensor

The Walker 350-34077 oxygen sensor is designed specifically for Chevrolet Cavalier, Pontiac Grand Am, and Sunfire models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Chevrolet Cavalier, Pontiac Grand Am, and Sunfire
• 46.77-inch wiring harness length for flexible installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 50.31 inches for proper fitment

Detailed Product Description

The Walker 350-34077 oxygen sensor is a heated sensor designed to provide precise feedback to the engine control unit (ECU) by measuring oxygen levels in the exhaust stream. Its 4-wire design includes a heating element that allows the sensor to reach operating temperature quickly, improving emissions control and fuel efficiency. The sensor features a radiused polygon male connector, ensuring a secure and reliable electrical connection. With a wiring harness length of 46.77 inches and an overall length of 50.31 inches, this sensor is engineered for a specific fitment on Chevrolet Cavalier, Pontiac Grand Am, and Sunfire vehicles. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system.

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 specifications. Walker Products Aftermarket parts are engineered to deliver reliable performance and durability, making them suitable for maintaining the emission systems of Chevrolet and Pontiac vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and poor fuel economy
• Reduces emissions-related engine codes and check engine light triggers
• Improves overall engine performance and drivability
• Prevents failed emissions tests due to faulty sensors

Installation Notes and Tips

• Ensure the vehicle is cool before installation to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector type matches the vehicle harness (radiused polygon male)
• Check wiring harness length (46.77 inches) for proper routing without tension
• Follow torque specifications for the 18.0 mm threaded mount

Quality Assurance and Warranty

The Walker 350-34077 oxygen sensor is manufactured to meet strict quality standards for emission control sensors. While specific warranty details may vary, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship to ensure dependable service life.