Walker 350-34203 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34203 Oxygen Sensor

The Walker 350-34203 oxygen sensor is designed specifically for select Chrysler, Dodge, and Mitsubishi vehicles, including the Eclipse, Galant, Sebring, and Stratus models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Chrysler, Dodge, and Mitsubishi vehicles
• 19.21-inch wiring harness length for precise installation
• 20 gauge wire measurement with 4 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 22.76 inches for proper fitment

Detailed Product Description

This Walker oxygen sensor (part number 350-34203) is engineered to meet the exact specifications required by Chrysler, Dodge, and Mitsubishi vehicles such as the Eclipse, Galant, Sebring, and Stratus. Featuring a heated sensor element, it provides quicker warm-up times compared to non-heated sensors, improving fuel efficiency and reducing emissions sooner after engine start. The sensor includes a 19.21-inch wiring harness with 20 gauge wires and a total of four wires, ensuring accurate and stable signal transmission to the vehicle’s engine control unit. The radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter allow for a secure and precise installation, maintaining the integrity of the emissions system.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, designed to provide a direct replacement solution for specific vehicle applications. The product line emphasizes compatibility and durability, ensuring that the sensor integrates seamlessly with the vehicle’s existing systems.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for improved engine performance
• Helps resolve check engine light codes related to oxygen sensor failure
• Reduces excessive emissions caused by faulty sensors
• Improves fuel economy by providing accurate exhaust gas data
• Prevents rough idling and engine hesitation linked to sensor issues

Installation Notes and Tips

When installing the Walker 350-34203 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the radiused polygon male connector matches the vehicle’s harness for a secure fit. Thread the sensor carefully into the exhaust manifold or pipe to prevent cross-threading. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34203 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure reliable performance and customer satisfaction.