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Dorman 904-055 Water In Fuel (WiF) Sensor
| Brand | Dorman 904-055 |
|---|---|
| Connector Color | Black |
| Connector Color | Negro |
| Connector Color | Noir |
| Terminal Type | Aspa |
| Terminal Type | Blade |
| Connector Shape | Rectangle |
| Connector Shape | Rectángulo |
| Terminal Quantity | 3 |
| Connector Gender | Female |
| Connector Gender | Hembra |
| Terminal Gender | Macho |
| Terminal Gender | Male |
| Attached Lead Wires | No |
| Attached Lead Wires | Non |
| Cables de plomo adjuntos | No |
| Contenidos del paquete | 1 sensor de agua en el combustible |
| Housing Material | Plastic |
| Housing Material | Plástico |
| Package Contents | 1 water in fuel sensor |
| Voltage | 12 v |
| Voltage | 12v |
| Wiring Harness Included | No |
| Wiring Harness Included | Non |
| Fits | Ford · 8 vehicles |
OE-style replacement. Matches original sensor function and performance.
Quality materials. Built for durability and extensive testing.
Plastic housing. Lightweight construction with a black rectangular connector.
Cross-references Standard Ignition FWSS119, FSS119 and HC3Z9T321A for the same application. See all 4.
Dorman 904-055 Water in Fuel Sensor
The Dorman 904-055 water in fuel sensor is a direct replacement for the original diesel fuel sensor used to detect water contamination in the fuel system. It matches OE function and performance to help protect diesel injectors in 2017-2020 Ford F-250 Super Duty and 2017-2020 Ford F-350 Super Duty applications.
Key Features
- Replacement water-in-fuel (WiF) sensor for diesel fuel systems
- OE-style function and performance for factory-style operation
- Black plastic housing with a rectangular female connector
- 3-terminal design with blade-style terminals
- 12V electrical specification
- No attached lead wires and no wiring harness included
- Fits Ford F-250 Super Duty and Ford F-350 Super Duty diesel applications listed below
Detailed Description
Built by Dorman, part number 904-055 is a water in fuel sensor engineered to replace the original sensor on select Ford Super Duty diesel trucks. The sensor monitors for water in the fuel supply so the system can react before contamination reaches sensitive injector components. Quality materials and testing support consistent operation and durability in demanding diesel service. This part cross-references Standard Ignition FWSS119 for the same application.
Vehicle Fitment
- Fits 2017-2020 Ford F-250 Super Duty, N/A
- Fits 2017-2020 Ford F-350 Super Duty, N/A
Common Issues This Sensor Helps Address
- Water contamination detected in diesel fuel
- Warning light or fault related to the fuel water sensor
- Reduced injector protection from contaminated fuel
- Failed or inaccurate water-in-fuel sensor readings
- Fuel system service needs on 2017-2020 Ford F-250 Super Duty and Ford F-350 Super Duty trucks
Installation Notes and Tips
Verify connector shape, terminal count, and voltage before installation. Inspect the fuel system connector and sealing surfaces for corrosion, damage, or contamination before installing Dorman 904-055. Confirm the vehicle application against the listed fitment for 2017-2020 Ford F-250 Super Duty and 2017-2020 Ford F-350 Super Duty models.
Quality Assurance
Dorman manufactures this replacement water-in-fuel sensor using quality materials and extensive testing to support durability and reliable operation in diesel fuel service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | — |
| 2020 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | — |
| 2019 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | — |
| 2019 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | — |
| 2018 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | — |
| 2018 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | — |
| 2017 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | — |
| 2017 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | — |
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