Walker 350-341047 Oxygen Sensor - Downstream

Overview of Walker Oxygen Sensor for Buick Regal and Verano

The Walker 350-341047 oxygen sensor is designed specifically for Buick Regal and Verano models. This heated oxygen sensor ensures accurate emission control by monitoring exhaust gases and providing essential data to the engine management system.

• Heated sensor type for faster response times
• Specific fit for Buick Regal and Verano vehicles
• 10.43-inch wiring harness length with 4 wires
• 20 gauge wire measurement for reliable signal transmission
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• Overall length of 13.77 inches for proper installation

Detailed Product Description

This Walker oxygen sensor (part number 350-341047) is engineered to meet the exact specifications required by Buick Regal and Verano models. Featuring a heated sensor element, it provides quicker warm-up times, improving fuel efficiency and reducing emissions. The sensor includes a 10.43-inch wiring harness with four 20-gauge wires, ensuring consistent and accurate signal transmission to the vehicle’s engine control unit. The radiused polygon female connector and threaded mounting type with an 18.0 mm thread diameter allow for a secure and precise fit, minimizing installation issues.

Walker Products Aftermarket offers a comprehensive line of emission control components designed to meet or exceed OEM standards. This oxygen sensor is part of their aftermarket product line, providing a reliable replacement option that maintains vehicle performance and emission compliance.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for Buick Regal and Verano
• Helps resolve engine performance problems related to faulty oxygen sensors
• Reduces emissions by ensuring accurate exhaust gas monitoring
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by providing precise data to the engine control system

Installation Notes and Tips

• Ensure compatibility with Buick Regal or Verano before installation
• Use proper tools to avoid damaging the 18.0 mm threaded mounting
• Check connector orientation; the radiused polygon female connector must align correctly
• Inspect wiring harness length (10.43 inches) to confirm fit within engine bay
• Follow vehicle manufacturer torque specifications during installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. This part number 350-341047 undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Buick Regal and Verano vehicles.