Walker 250-21005 Oxygen Sensor - Upstream

Overview of Walker 250-21005 Oxygen Sensor

The Walker 250-21005 oxygen sensor is designed for specific vehicle applications including Chrysler, Dodge, Hyundai, Mitsubishi, and Plymouth models. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fit and reliable performance in emission control systems.

• Wiring harness length: 17.44 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for select vehicle models
• Connector shape: Radiused polygon
• Connector gender: Female
• Thread diameter: 18.0 mm
• Overall length: 20.98 inches
• Mounting type: Threaded
• Wire quantity: 1

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures compatibility and durability for emission control components, making it a reliable choice for maintaining vehicle emissions systems in Chrysler, Dodge, Hyundai, Mitsubishi, and Plymouth vehicles.

Product Description and Features

The Walker 250-21005 oxygen sensor is engineered as a non-heated sensor with a single 20-gauge wire, optimized for specific vehicle models such as the Chrysler Caravan, Dodge Ram 50, Hyundai Excel, Mitsubishi Galant, and Plymouth Voyager. Its 17.44-inch wiring harness and 20.98-inch overall length provide adequate reach for installation in designated engine compartments. The sensor’s radiused polygon female connector and 18.0 mm threaded mounting ensure a secure and precise fit, reducing the risk of leaks or sensor failure.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level readings
• Prevents engine performance issues related to faulty oxygen sensors
• Supports emission system compliance for Chrysler, Dodge, Hyundai, Mitsubishi, and Plymouth vehicles
• Addresses check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure compatibility with your specific vehicle make and model before installation
• Use proper tools to avoid damaging the 18.0 mm threaded sensor mount
• Verify connector type matches the vehicle harness to ensure secure connection
• Handle the sensor carefully to avoid contamination or damage to the sensing element
• Follow vehicle manufacturer torque specifications when installing the sensor

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The 250-21005 part number undergoes rigorous testing to comply with emission control requirements. While specific warranty details are not provided here, Walker typically offers coverage consistent with OE replacement parts standards.