HomeAir and Fuel Delivery > SensorsStandard Ignition FWSS114 Water in Fuel (WiF) Sensor
Part #: FWSS114

Standard Ignition FWSS114 Water in Fuel (WiF) Sensor

⚙️ 28 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$34.79Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, E-350 Super Duty, F-250 Super Duty, F-350 Super Duty, E-350 Club Wagon, and Excursion
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Water In Fuel Sensor for Ford Super Duty and Excursion

The Standard Ignition FWSS114 Water In Fuel (WiF) Sensor is designed to detect water contamination in gasoline fuel systems. Engineered for direct mounting, this sensor ensures accurate monitoring to protect your Ford E-350 Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty vehicles from fuel-related issues.

  • Connector Gender: Female with a square plug-in design
  • Single connector with two male blade terminals
  • Push-on thread size for easy installation
  • Includes o-ring for secure sealing
  • Compatible with gasoline fuel systems
  • Direct mounting type for precise sensor placement

Technical Details and Features

The FWSS114 sensor from Standard Ignition is built to integrate seamlessly with the fuel delivery system of select Ford trucks and vans. Featuring a female connector with a square shape and a plug-in type connection, it provides a reliable electrical interface. The sensor includes two male blade terminals, ensuring stable signal transmission. Its push-on thread size simplifies installation without the need for additional adapters. The included o-ring helps maintain a tight seal, preventing leaks and ensuring sensor accuracy. This sensor is designed exclusively for gasoline fuel types and functions solely as a water-in-fuel detection sensor.

Compatible Vehicles and Applications

This Water In Fuel Sensor is compatible with the following Ford models:

  • Ford E-350 Club Wagon
  • Ford E-350 Super Duty
  • Ford Excursion
  • Ford F-250 Super Duty
  • Ford F-350 Super Duty

It is specifically designed to monitor water contamination in gasoline fuel systems, helping to maintain engine performance and prevent damage.

Common Issues Addressed by the FWSS114 Sensor

  • Detection of water contamination in fuel lines
  • Prevention of engine misfires caused by fuel impurities
  • Protection against corrosion in fuel system components
  • Reduction of fuel injector damage due to water presence
  • Improved fuel system reliability and vehicle uptime

Installation Notes and Tips

Installation of the Standard Ignition FWSS114 sensor is straightforward due to its direct mounting design and push-on thread size. Ensure the o-ring is properly seated to avoid fuel leaks. Disconnect the battery before installation to prevent electrical shorts. Verify the connector orientation matches the female square plug-in design for a secure fit. It is recommended to inspect the fuel system for contamination before installing the new sensor to ensure optimal performance.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The FWSS114 Water In Fuel Sensor undergoes rigorous quality control to ensure durability and reliable operation in demanding conditions. This sensor includes a manufacturer-backed warranty, providing coverage against defects in materials and workmanship for a specified period. Refer to Standard Ignition’s warranty documentation for detailed terms.

BrandStandard Ignition
Part NumberFWSS114
Connector GenderFemale
Connector ShapeSquare
Connector TypePlug In
ContentsSensor Only
Fuel TypeGas
FunctionsSensor
Mounting TypeDirect
NotesIncludes O-Ring
Terminal GenderMale
Terminal TypeBlade
Thread Size - MetricPush On
Thread Size - NPTPush On

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010FordE-350 Super Duty6.0LV8N/A
2010FordF-250 Super Duty6.4LV8N/A
2010FordF-350 Super Duty6.4LV8N/A
2009FordE-350 Super Duty6.0LV8N/A
2009FordF-250 Super Duty6.4LV8N/A
2009FordF-350 Super Duty6.4LV8N/A
2008FordE-350 Super Duty6.0LV8N/A
2008FordF-250 Super Duty6.4LV8N/A
2008FordF-350 Super Duty6.4LV8N/A
2007FordE-350 Super Duty6.0LV8N/A
2007FordF-250 Super Duty6.0LV8N/A
2007FordF-350 Super Duty6.0LV8N/A
2006FordE-350 Super Duty6.0LV8N/A
2006FordF-250 Super Duty6.0LV8N/A
2006FordF-350 Super Duty6.0LV8N/A
2005FordE-350 Club Wagon6.0LV8N/A
2005FordE-350 Super Duty6.0LV8N/A
2005FordExcursion6.0LV8N/A
2005FordF-250 Super Duty6.0LV8N/A
2005FordF-350 Super Duty6.0LV8N/A
2004FordE-350 Club Wagon6.0LV8N/A
2004FordE-350 Super Duty6.0LV8N/A
2004FordExcursion6.0LV8N/A
2004FordF-250 Super Duty6.0LV8N/A
2004FordF-350 Super Duty6.0LV8N/A
2003FordExcursionN/A
2003FordF-250 Super DutyN/A
2003FordF-350 Super DutyN/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:

2-950145S13648601109816C3Z9C264A76925800-25014904-459FSS114FSSA2

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.