Walker 250-24856 Oxygen Sensor - Downstream

Overview of Walker 250-24856 Oxygen Sensor for Honda Vehicles

The Walker 250-24856 oxygen sensor is designed specifically for select Honda models including the City, CR-Z, Fit, and Insight. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Honda City, CR-Z, Fit, and Insight models
• 30.04-inch wiring harness length for flexible installation
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Wire gauge measurement of 22 for reliable signal transmission
• Overall length of 33.58 inches for proper fitment

Detailed Features and Specifications

This Walker oxygen sensor (part number 250-24856) features a heated sensor type that allows for faster warm-up times and improved emissions control. The 4-wire design supports both the sensor signal and heater circuit, ensuring consistent operation under various driving conditions. The wiring harness length of 30.04 inches provides ample reach for installation in the engine bay, while the 22-gauge wire ensures durability and signal integrity. The sensor’s radiused polygon female connector is designed for a secure and precise fit, minimizing the risk of disconnection or signal loss. The threaded mounting type with an 18.0 mm diameter allows for straightforward replacement and compatibility with the original equipment specifications.

Walker Products OE Brand Line

The Walker Products OE line focuses on delivering direct-fit emission control components that meet or exceed original equipment standards. This oxygen sensor is part of the Walker Products OE series, which emphasizes precise fitment and reliable performance for specific vehicle applications. Using parts from this line helps maintain factory-level emissions compliance and engine efficiency.

Applications and Common Issues Addressed

• Restores accurate air-fuel ratio readings for Honda City, CR-Z, Fit, and Insight
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring proper sensor feedback
• Reduces harmful emissions by maintaining correct combustion control
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Walker 250-24856 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector’s radiused polygon female shape matches the vehicle harness before installation. Properly route the 30.04-inch wiring harness to avoid contact with hot or moving parts. It is recommended to clear any diagnostic trouble codes after installation to reset the engine control unit.

Quality Assurance and Warranty

Walker oxygen sensors are manufactured to meet stringent quality standards and are tested for durability and performance. The 250-24856 sensor is engineered to match original equipment specifications for Honda vehicles. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to ensure reliable operation.