Dorman 904-462 Water in Fuel (WiF) Sensor

Brand Dorman 904-462
Attached Lead Wires No
Connector Color Black
Connector Gender Male
Connector Shape Round
Housing Material Plastic
Package Contents 1 Water in Fuel Sensor
Terminal Gender Female
Terminal Quantity 2
Terminal Type Blade
Voltage 12V
Wiring Harness Included No
Fits Ram · 12 vehicles

OE-style replacement. Matches original sensor function and performance.

Quality materials. Built with a plastic housing and tested for durability.

Water-in-fuel sensor helps prevent water from damaging diesel fuel injectors.

Cross-references Mopar 68197868AB for the same application. See all 1.

$48.47Free shipping
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Water in Fuel Sensor for Ram Diesel Applications

This Dorman water in fuel sensor is a direct replacement for the original equipment unit used on select Ram diesel trucks. It is built to monitor water contamination in the fuel system and help protect diesel injectors from water-related damage. Part number 904-462 is a practical OE-style solution for Ram 2500 and Ram 3500 models from 2013-2018.

Key Features

  • Replacement water-in-fuel sensor for diesel fuel systems
  • Matches original equipment function and performance
  • Helps detect water in diesel fuel before it reaches the injector system
  • Black connector with round shape and 2 blade terminals
  • 12V electrical design with plastic housing
  • No attached lead wires and no wiring harness included
  • Fits Ram 2500 and Ram 3500 diesel applications

Detailed Description

Dorman 904-462 is engineered as a replacement water in fuel sensor for diesel fuel delivery systems that use a factory-style WiF sensor. By monitoring for water contamination in the fuel, it supports the protection of diesel injectors and helps maintain proper fuel system operation. The sensor uses a male black round connector, female blade terminals, and a 12V design for a straightforward OE-style match. This part cross-references Mopar 68197868AB for the same application.

Compatible With 2013-2018 Ram 2500 and 2013-2018 Ram 3500 diesel trucks, this sensor is a fitment-based replacement for owners searching for a Ram 2500 water in fuel sensor, Ram 3500 diesel fuel sensor, or Dorman 904-462 replacement sensor.

What It Helps Address

  • Water contamination detected in diesel fuel
  • Fuel system warning or sensor-related fault conditions
  • Risk of injector damage from water in the fuel supply
  • Failed or inaccurate factory water-in-fuel sensor readings
  • Restoring proper diesel fuel monitoring on Ram 2500 and Ram 3500 trucks

Installation Notes and Tips

Verify connector style, terminal layout, and vehicle application before installation. This sensor uses a round black connector with two terminals and does not include a wiring harness or attached lead wires. Confirm the original sensor part number and inspect the fuel system for contamination before replacing the unit. Fits 2013-2018 Ram 2500, N/A. Fits 2013-2018 Ram 3500, N/A.

Quality Assurance

Dorman manufactures this replacement sensor using quality materials and subjects it to extensive testing for durability and reliable operation. The part is built to match the function of the original equipment water-in-fuel sensor for diesel applications.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2018Ram25006.7LL6N/A—
2018Ram35006.7LL6N/A—
2017Ram25006.7LL6N/A—
2017Ram35006.7LL6N/A—
2016Ram25006.7LL6N/A—
2016Ram35006.7LL6N/A—
2015Ram25006.7LL6N/A—
2015Ram35006.7LL6N/A—
2014Ram25006.7LL6N/A—
2014Ram35006.7LL6N/A—
2013Ram25006.7LL6N/A—
2013Ram35006.7LL6N/A—
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Mopar — 68197868AB