Walker 250-24389 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-24389

The Walker Products OE Oxygen Sensor 250-24389 is designed specifically for select Geo, Honda, and Isuzu vehicles. This heated oxygen sensor ensures accurate emissions control and optimal engine performance for models such as the Geo Storm, Honda Passport, and Isuzu Rodeo.

• Heated sensor type for faster response times
• Specific fit for Geo, Honda, and Isuzu models
• 9.76-inch wiring harness length with 20 gauge wire
• Four-wire configuration with radiused polygon female connector
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 13.31 inches for precise installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor element that allows quicker warm-up and more accurate readings under various operating conditions. The 9.76-inch wiring harness length and 20 gauge wire ensure reliable electrical connections, while the four-wire design supports both sensor heating and signal transmission. The radiused polygon female connector provides a secure and specific fit, reducing the risk of connection issues. The sensor mounts via a threaded 18.0 mm diameter fitting, compatible with the exhaust ports of Geo Impulse, Honda Stylus, and Isuzu Trooper models. The overall length of 13.31 inches facilitates proper placement within the exhaust system.

Walker Products OE Brand Line Information

Walker Products OE is a product line focused on delivering original equipment quality emission control components. This oxygen sensor 250-24389 is engineered to meet or exceed OEM specifications, ensuring compatibility and performance consistent with factory-installed parts. The OE line emphasizes precise fitment and durability, making it suitable for specific vehicle applications such as the Geo Passport and Honda Stylus.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Helps resolve check engine light codes related to oxygen sensor faults
• Reduces emissions by providing correct air-fuel mixture data
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports proper catalytic converter function by maintaining sensor accuracy

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-24389, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to facilitate future removal. Verify the connector shape and gender match the vehicle harness to avoid connection issues. The specific fitment for Geo, Honda, and Isuzu models requires attention to the wiring harness length and connector type to ensure proper installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards for emission control components. While specific warranty details may vary, these sensors typically come with a limited warranty covering defects in materials and workmanship. Using a sensor like the 250-24389 helps maintain compliance with emissions regulations and supports long-term vehicle reliability.