Dorman 904-459 Water in Fuel (WiF) Sensor

Overview of the Dorman 904-459 Water In Fuel Sensor

The Dorman 904-459 Water In Fuel (WiF) Sensor is designed to detect the presence of water in the fuel system, helping maintain optimal engine performance. Specifically compatible with Ford F-250 Super Duty and F-350 Super Duty models, this sensor provides reliable monitoring to prevent fuel contamination issues.

• Terminal Type: Pin for secure electrical connection
• Housing Material: Durable plastic construction
• Package Contents: Includes one water in fuel sensor
• No attached lead wires or wiring harness included

Detailed Product Description

This Dorman water in fuel sensor (part number 904-459) features a plastic housing designed to withstand typical engine bay conditions while providing accurate detection of water contamination in diesel fuel. The pin-type terminal ensures a stable and corrosion-resistant connection to the vehicle's wiring system. Although the sensor does not come with attached lead wires or a wiring harness, it is engineered for straightforward integration with the existing fuel system components on compatible Ford Super Duty trucks.

Compatible Vehicles and Applications

This sensor is specifically compatible with Ford F-250 Super Duty and F-350 Super Duty models, making it a suitable replacement part for these trucks. Using the correct water in fuel sensor helps maintain fuel system integrity and engine reliability by alerting to water presence that can cause damage or performance issues.

• Detects water contamination in diesel fuel
• Prevents fuel system corrosion and injector damage
• Helps avoid engine misfires and poor fuel economy
• Supports proper fuel filtration monitoring

Installation Notes and Tips

Installation of the Dorman 904-459 sensor requires disconnecting the old sensor and connecting the new sensor’s pin terminals to the existing wiring harness. Since no lead wires or wiring harness are included, ensure the vehicle’s wiring is intact and compatible before installation. It is recommended to follow the vehicle manufacturer’s service manual for proper sensor replacement procedures and torque specifications.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 904-459 water in fuel sensor undergoes quality checks to ensure reliable performance in Ford F-250 Super Duty and F-350 Super Duty trucks. Warranty coverage details can be found through Dorman’s official channels, providing assurance of product durability and support.