Dorman 904-193 Water in Fuel (WiF) Sensor

Dorman 904-193 Water in Fuel Sensor

Dorman 904-193 is a replacement water-in-fuel sensor for diesel fuel systems that use a water separator valve with a pigtail connection. It restores the sensor function needed to detect water in the fuel stream before it can reach and damage a diesel injector.

Built with a plastic housing and 12V pin terminal design, this sensor is made from quality materials and tested for durability. It is a direct replacement for select Dodge Ram 2500, Ram 3500, D250, D350, W250, and W350 diesel applications.

Key Features

• Replacement water-in-fuel sensor for diesel fuel delivery systems
• Matches original equipment function and performance
• Plastic housing with pin terminal connection
• 12V electrical design
• No lead wires required and no wiring harness required
• Fits water separator valve applications with pigtail connection
• Part number 904-193 for easy identification

Detailed Description

This Dorman water in fuel sensor is engineered for diesel vehicles that rely on a water separator valve to monitor contamination in the fuel supply. By detecting water in the separator, the sensor helps protect the injector system from water-related damage and supports proper fuel system operation. It is a practical replacement for worn or failed OE sensors on 1989-1993 Dodge D250, D350, W250, and W350 models, as well as 1994-1996 Dodge Ram 2500 and Ram 3500 trucks. The Dorman 904-193 is built to match the original sensor’s function while using durable materials for long-term service.

This part cross-references Standard Ignition DBT1 for the same application.

What It Helps Solve

• Water contamination warning issues in the diesel fuel separator
• Faulty sensor readings from a failed water-in-fuel unit
• Injector damage risk caused by undetected water in diesel fuel
• Intermittent fuel system warning or monitoring problems
• Replacement needs for aging Dodge diesel water separator sensors

Installation Notes and Tips

• Compatible With 1989-1993 Dodge D250, water separator valve; w/pigtail
• Compatible With 1989-1993 Dodge D350, water separator valve; w/pigtail
• Compatible With 1989-1993 Dodge W250, water separator valve; w/pigtail
• Compatible With 1989-1993 Dodge W350, water separator valve; w/pigtail
• Compatible With 1994-1996 Dodge Ram 2500, water separator valve; w/pigtail
• Compatible With 1994-1996 Dodge Ram 3500, water separator valve; w/pigtail
• Verify the connector style and water separator valve configuration before installation
• Confirm the vehicle uses a 12V sensor with a pin terminal layout

Quality Assurance

Dorman states that this replacement sensor is made from quality materials and has undergone extensive testing to support durability and reliable service in diesel fuel applications.