Walker 250-21007 Oxygen Sensor - Upstream

Overview of Walker 250-21007 Oxygen Sensor

The Walker 250-21007 oxygen sensor is designed for specific vehicle applications including Dodge, Hyundai, Mitsubishi, and Plymouth models. This non-heated oxygen sensor provides precise emissions control by monitoring exhaust gases to optimize engine performance and fuel efficiency.

• Wiring harness length: 28.07 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for select vehicle models
• Single wire configuration
• Radiused polygon female connector
• Thread diameter: 18.0 mm
• Overall length: 31.61 inches
• Threaded mounting type for secure installation

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality components. Walker Products OE sensors are engineered to meet or exceed OEM specifications, ensuring compatibility and reliable performance for emission control systems in vehicles such as the Hyundai Sonata and Mitsubishi Eclipse.

Product Description and Features

The Walker 250-21007 oxygen sensor is a non-heated sensor designed with a single 20-gauge wire and a radiused polygon female connector for precise fitment. Its 28.07-inch wiring harness and 31.61-inch overall length provide adequate reach for installation in specific vehicle exhaust systems. The threaded mounting type with an 18.0 mm thread diameter ensures a secure and leak-free fit. This sensor is engineered for specific fitment, compatible with models including the Dodge Colt, Hyundai Sonata, Mitsubishi Eclipse, Plymouth Laser, and others.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces harmful emissions by accurately monitoring oxygen levels
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers related to emission control
• Supports proper operation of catalytic converters

Installation Notes and Tips

• Ensure vehicle compatibility with the Walker 250-21007 part number before installation
• Use appropriate tools to avoid damaging the threaded mounting during installation
• Verify connector type matches the vehicle’s wiring harness (radiused polygon female connector)
• Inspect wiring harness length and routing to prevent interference with moving parts
• Follow manufacturer torque specifications for sensor mounting

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 250-21007 oxygen sensor undergoes rigorous testing to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.