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Standard Ignition FWSS119 Water In Fuel (WiF) Sensor
Water in Fuel Sensor for Diesel Systems
The Standard Ignition FWSS119 is a screw-in Water in Fuel (WiF) sensor for diesel fuel systems. It is built for 2017-2022 Ford F-250 Super Duty and 2017-2022 Ford F-350 Super Duty applications, where accurate water detection in the fuel system is critical.
- Water in Fuel (WiF) sensor for diesel applications
- Screw-in mounting type for direct replacement service
- Female connector with 1 plug connection
- 3 male blade terminals
- No gasket included
- Fits 2017-2022 Ford F-250 Super Duty
- Fits 2017-2022 Ford F-350 Super Duty
Detailed Product Overview
Standard Ignition FWSS119 is a diesel-system sensor that monitors for water contamination in the fuel supply. The female plug connector, 3 blade terminals, and screw-in design support a direct-fit replacement on the listed Ford Super Duty diesel trucks. This part cross-references Ford OE-style applications such as HC3Z9T321A for the same application.
For buyers searching for a 2017-2022 Ford F-250 Super Duty water in fuel sensor or a 2017-2022 Ford F-350 Super Duty diesel fuel sensor, FWSS119 provides the specified connector and mounting configuration. The part number FWSS119 is also referenced in interchange listings for related diesel fuel system service.
Common Issues This Sensor Addresses
- Water contamination warning in the diesel fuel system
- Faulty or inconsistent water-in-fuel sensor readings
- Connector mismatch during sensor replacement
- Service replacement for worn screw-in sensor assemblies
- Diesel fuel system warning light concerns tied to sensor failure
Installation Notes and Tips
Verify the connector style, terminal count, and screw-in mounting before installation. This sensor uses a female plug connector with 3 male blade terminals and does not include a gasket, so confirm the sealing components required for your application before service. Match the vehicle year and model exactly to the listed fitment for FWSS119.
Quality Assurance
Standard Ignition supplies automotive electrical and fuel-system components for service replacement applications. FWSS119 is cataloged for the listed Ford Super Duty diesel trucks and built to match the specified sensor configuration.
| Brand | Standard Ignition |
| Part Number | FWSS119 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Type | Plug |
| Functions | Sensor |
| Gaskets Included | No |
| Mounting Type | Screw-in |
| System Type | Diesel |
| Terminal Gender | Male |
| Terminal Quantity | 3 |
| Terminal Type | Blade |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2022 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | |
| 2022 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | |
| 2021 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | |
| 2021 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | |
| 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 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.