Walker 350-34276 Oxygen Sensor - Center or Downstream

Walker 350-34276 Oxygen Sensor for Toyota and Chevrolet

Walker Products 350-34276 is a heated oxygen sensor built as an OE-style replacement for specific Toyota and Chevrolet applications. It is engineered for the correct fitment position and ECU feedback, making it a direct choice for downstream and center sensor service on select Camry, Corolla, Avalon, Solara, Prizm, Paseo, Tercel, and related models.

Key Features

• Heated oxygen sensor for precise exhaust monitoring
• Specific fit design for the listed vehicle applications
• 4-wire configuration with 20-gauge wiring
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for proper harness connection
• 11.34 in. wiring harness length and 14.88 in. overall length

Product Details

Walker Products Aftermarket focuses on engine management and oxygen/air-fuel sensors engineered to replace original equipment parts across many vehicles worldwide. Part number 350-34276 is designed for the correct sensor location and diagnostic response required by the ECU. For Toyota Camry, Toyota Corolla, Toyota Avalon, Toyota Solara, and Chevrolet Prizm applications, this sensor supports accurate exhaust feedback in downstream and center positions where listed. This part cross-references no additional part numbers in the provided data.

Common Issues This Sensor May Address

• Check engine or malfunction indicator light related to oxygen sensor performance
• Rough engine operation caused by incorrect exhaust feedback
• Increased fuel consumption from inaccurate air-fuel monitoring
• Higher exhaust emissions from a failing sensor
• Stored ECU fault codes tied to the affected sensor circuit

Installation Notes and Tips

Verify the exact year, make, model, and sensor position before installation. Confirm the connector shape, wire count, and threaded mounting style match the original part. Inspect the sensor wiring harness and connector for heat damage, corrosion, or physical wear before replacing the sensor. For fitment examples, this part fits 2004-2006 Toyota Camry, center; 2005 Toyota Solara, downstream; 2000-2004 Toyota Avalon, downstream; and 1995-2002 Toyota Corolla, downstream.

Quality Assurance

Walker Products states that its engine management sensors are developed as OE replacement parts and manufactured under Automotive ISO9001/TS 16949 certification standards. The Walker Products Aftermarket line is built for application-specific fitment and ECU feedback requirements across the listed Toyota and Chevrolet vehicles.