Walker 350-34966 Oxygen Sensor

Overview of Walker 350-34966 Oxygen Sensor

The Walker 350-34966 oxygen sensor is designed specifically for select Buick, Cadillac, Chevrolet, and GMC vehicles. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 4-wire design for precise readings
• Specific fit for models including Buick LaCrosse, Cadillac Escalade, Chevrolet Silverado 1500, and GMC Sierra
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• 11.34-inch wiring harness length with 20 gauge wires for reliable connectivity
• Male connector with radiused polygon shape for proper fitment
• Overall length of 14.88 inches to accommodate factory specifications

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34966) is engineered to meet the exact specifications of your vehicle’s emission system. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for maintaining fuel efficiency and reducing harmful emissions. The sensor’s 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring consistent performance under various driving conditions.

The sensor’s threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust manifold or pipe. Its 11.34-inch wiring harness length and 20 gauge wire measurement provide durability and flexibility, while the male connector with a radiused polygon shape guarantees a secure and proper connection to the vehicle’s wiring harness.

Compatible Vehicles and Applications

This oxygen sensor is compatible with a range of Buick, Cadillac, Chevrolet, and GMC models, including but not limited to:

• Buick LaCrosse and Regal Sportback
• Cadillac ATS, CT6, CTS, Escalade, and Escalade ESV
• Chevrolet Aveo, Silverado 1500, Silverado 2500, Tahoe, and Volt
• GMC Sierra 1500, Sierra 1500 Limited, Sierra, Yukon, Yukon XL, and Savana 2500/3500

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling caused by sensor malfunction
• Reduced engine performance and drivability issues

Installation Notes and Tips

When installing the Walker 350-34966 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor carefully. Verify the connector type and wiring harness length match your vehicle’s specifications before installation. Apply anti-seize compound to the sensor threads if recommended by the vehicle manufacturer to facilitate future removal. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 350-34966 oxygen sensor undergoes rigorous quality control to ensure reliable performance and durability. While specific warranty details may vary, Walker typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.