Walker 350-34348 Oxygen Sensor - Downstream

Overview of Walker 350-34348 Oxygen Sensor

The Walker 350-34348 oxygen sensor is a heated, specific-fit sensor designed to meet the emission control needs of various vehicle makes and models. Engineered with precision, this sensor ensures accurate air-fuel mixture readings to optimize engine performance and reduce emissions.

• Heated oxygen sensor for faster response times
• Specific fitment for precise compatibility
• 30.63-inch wiring harness length for flexible installation
• 20-gauge wire measurement with 4 wires for reliable signal transmission
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 34.17 inches for proper placement

Detailed Product Description

This Walker Products Aftermarket oxygen sensor, part number 350-34348, is designed to provide accurate oxygen level readings in the exhaust system. The heated sensor type allows it to reach operating temperature quickly, improving fuel efficiency and reducing harmful emissions. The specific fitment ensures compatibility with select vehicle makes and models, providing a direct replacement without modification. The sensor features a 30.63-inch wiring harness and 20-gauge wires, supporting stable electrical signals through its four-wire configuration. The radiused polygon female connector and threaded mounting with an 18.0 mm diameter facilitate secure and straightforward installation.

Common Applications and Issues Addressed

• Helps resolve rough idling caused by incorrect air-fuel mixture
• Reduces engine hesitation and stalling issues
• Improves fuel economy by providing accurate oxygen readings
• Assists in passing emissions tests by controlling exhaust gases
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure vehicle compatibility by verifying specific fitment before installation
• Use proper tools to avoid damaging the threaded mounting or connector
• Disconnect the battery before replacing the sensor to prevent electrical shorts
• Apply anti-seize compound on the threads if recommended by the vehicle manufacturer
• Check wiring harness routing to avoid contact with hot exhaust components

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards. The 350-34348 oxygen sensor undergoes rigorous testing to ensure durability and reliable performance under various operating conditions. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in product quality.