Walker 350-341062 Oxygen Sensor - Downstream

Walker 350-341062 Oxygen Sensor for Buick Verano

Walker Products 350-341062 is a heated oxygen sensor built as a specific-fit replacement for select 2015-2017 Buick Verano applications. It is engineered to provide the ECU with the feedback needed for proper fuel control and emissions monitoring, with fitment for downstream bank 1 sensor 2 positions on the listed vehicles.

Key Features

• Specific-fit oxygen sensor for select Buick Verano models
• Heated sensor design for faster operating response
• 4-wire configuration with 20-gauge wiring
• 14.96 in. wiring harness length
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for application-specific fitment
• Overall length: 17.71 in.

Product Details

Walker Products Aftermarket focuses on engine management and oxygen/air-fuel sensors built to OE-style application requirements. Part number 350-341062 is made for the correct vehicle position and diagnostic feedback expected by the ECU, which is important on newer vehicles that store fault codes when an oxygen sensor circuit or related system is not performing correctly. This sensor is listed for 2015-2017 Buick Verano, downstream, and is intended for bank 1 sensor 2 placement on the specified models. If you are replacing a failing downstream oxygen sensor on a Buick Verano, 350-341062 provides the fitment-specific configuration needed for the job.

Walker Products has supplied engine management components since 1946 and operates with Automotive ISO9001/TS 16949 certification. This part cross-references Walker Products Aftermarket 350-341062 for the same application.

Common Reasons for Replacement

• Check engine light or malfunction indicator light related to oxygen sensor performance
• Poor fuel economy caused by incorrect exhaust feedback
• Rough engine operation from inaccurate air-fuel monitoring
• Higher exhaust emissions from a degraded downstream sensor
• Stored ECU fault codes tied to the sensor or its wiring

Installation Notes

Before installation, inspect the sensor wiring harness and connector for heat damage, corrosion, or physical wear. Confirm the vehicle uses the downstream bank 1 sensor 2 location listed for the application, and verify the threaded mounting point and connector style match the original part. For best results, compare the old sensor’s connector shape, wire count, and harness length before replacement.

Quality Assurance

Walker Products manufactures this oxygen sensor as an OE-style replacement for the specified application and backs its engine management line with ISO9001/TS 16949-certified production standards.