Standard Ignition FWSS115 Water in Fuel (WiF) Sensor

Brand Standard Ignition FWSS115
Connector Gender Female
Connector Shape Oval
Connector Type Plug In
Fuel Type Diesel
Gaskets Included No
Mounting Type Direct
Terminal Type Pin
Fits Dodge · 26 vehicles

OE direct replacement. Direct-fit design helps ensure proper fit, form, and function.

Plug-in connector. Female oval connector with two pin terminals for straightforward installation.

Built for durability. Premium materials withstand harsh engine conditions for longer service life.

Cross-references Dorman - OE Solutions 904-193, 800-25015 and 3831852S for the same application. See all 8.

$54.37Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $54.37
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Water in Fuel Sensor for Diesel Applications

The Standard Ignition FWSS115 is a direct-fit Water in Fuel (WiF) sensor for diesel fuel systems. It is built for OE-style fit, form, and function to support a trouble-free installation on select Dodge Ram 2500, Dodge Ram 3500, Dodge D250, Dodge D350, Dodge W250, and Dodge W350 applications.

Standard Ignition FWSS115 is manufactured to strict quality standards and validated for proper performance in demanding engine environments. The design uses durable materials and premium components to help maintain reliable operation in harsh diesel conditions.

Key Features

  • Direct-fit OE replacement Water in Fuel sensor
  • Designed for diesel fuel systems
  • Female oval plug-in connector
  • 1 connector, 2 pin terminals
  • Direct mounting style for straightforward installation
  • Built with durable materials for engine-bay conditions
  • Tested and validated for performance and reliability

Detailed Description

This Standard Ignition FWSS115 sensor is intended for diesel vehicles that rely on accurate water-in-fuel detection to help protect the fuel system. It matches OE-style dimensions and connection points for a clean replacement on 1989-1996 Dodge D250, Dodge D350, Dodge W250, Dodge W350, Dodge Ram 2500, and Dodge Ram 3500 models. If you are replacing a failed diesel fuel contamination sensor, FWSS115 provides a direct-fit solution for these Dodge truck applications.

This part cross-references Dorman OE Solutions 904-193 for the same application.

What It Helps Address

  • Water contamination warnings in diesel fuel systems
  • Faulty or inconsistent sensor readings
  • Hard starting caused by fuel system contamination concerns
  • Illuminated fuel-related warning indicators tied to the sensor circuit
  • Replacement needs on aging Dodge Ram 2500, Dodge Ram 3500, Dodge D250, Dodge D350, Dodge W250, and Dodge W350 diesel trucks

Installation Notes and Tips

Verify the connector style, terminal count, and mounting location before installation. This sensor uses a female oval plug-in connector with 2 pin terminals and direct mounting, so matching the original configuration is important for proper fitment. Inspect the surrounding fuel system for contamination or damage before installing the new sensor.

Quality Assurance

Standard Ignition manufactures this FWSS115 sensor to stringent quality standards at a certified facility and subjects it to extensive testing and validation for proper performance and peak reliability. The use of premium components and durable materials is intended to support long service life in diesel engine conditions.

This part fits 26 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1996DodgeRam 25005.9LL6N/A—
1996DodgeRam 35005.9LL6N/A—
1995DodgeRam 25005.9LL6N/A—
1995DodgeRam 35005.9LL6N/A—
1994DodgeRam 25005.9LL6N/A—
1994DodgeRam 35005.9LL6N/A—
1993DodgeD2505.9LL6N/A—
1993DodgeD3505.9LL6N/A—
1993DodgeW2505.9LL6N/A—
1993DodgeW3505.9LL6N/A—
1992DodgeD2505.9LL6N/A—
1992DodgeD3505.9LL6N/A—
1992DodgeW2505.9LL6N/A—
1992DodgeW3505.9LL6N/A—
1991DodgeD2505.9LL6N/A—
1991DodgeD3505.9LL6N/A—
1991DodgeW2505.9LL6N/A—
1991DodgeW3505.9LL6N/A—
1990DodgeD2505.9LL6N/A—
1990DodgeD3505.9LL6N/A—
1990DodgeW2505.9LL6N/A—
1990DodgeW3505.9LL6N/A—
1989DodgeD2505.9LL6N/A—
1989DodgeD3505.9LL6N/A—
1989DodgeW2505.9LL6N/A—
1989DodgeW3505.9LL6N/A—
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 904-193800-250153831852S044291166003001FSS115FSSA8WIF300