Walker 250-23003 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-23003

The Walker Products OE Oxygen Sensor 250-23003 is designed specifically for select Chrysler, Dodge, and Plymouth vehicles. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the engine control unit.

• Heated sensor type for faster response times
• Specific fit for Chrysler, Dodge, and Plymouth models
• 10.35-inch wiring harness length with 3 wires
• 20 gauge wire measurement for durability
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 13.9 inches for proper installation

Detailed Product Description

This oxygen sensor from Walker Products OE is engineered to meet the exact specifications of various Chrysler, Dodge, and Plymouth vehicles including models such as the Caravan, Charger, Dakota, Grand Caravan, Lancer, and Town & Country. The sensor features a heated element that allows it to reach operating temperature quickly, improving emissions control efficiency. The 10.35-inch wiring harness and 20 gauge wires provide reliable electrical connectivity, while the radiused polygon female connector ensures a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and compatibility with the vehicle’s exhaust system.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring it matches the fit, form, and function required by the original vehicle manufacturer. Using a Walker Products OE sensor helps maintain the integrity of the vehicle’s emission system and supports compliance with environmental standards.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Chrysler, Dodge, and Plymouth vehicles
• Helps resolve engine performance issues such as rough idling or hesitation
• Reduces emissions by ensuring proper sensor operation
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing correct data to the engine control unit

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Walker 250-23003 sensor into the exhaust manifold or pipe. Ensure the connector matches the vehicle’s wiring harness with its radiused polygon female design. Handle the sensor carefully to avoid damaging the heated element or wiring. It is recommended to use anti-seize compound on the threads to facilitate future removal. Verify the sensor’s wiring harness length and connector type before installation to ensure compatibility.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details for part number 250-23003 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use in emission control systems.