HomeAir and Fuel Delivery > SensorsStandard Ignition FWSS118 Water in Fuel (WiF) Sensor
Part #: FWSS118

Standard Ignition FWSS118 Water in Fuel (WiF) Sensor

⚙️ 36 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ram and Dodge, 3500, 2500, Ram 2500, and Ram 3500
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Reliable Water In Fuel Sensor for Dodge Ram 2500 and 3500

The Standard Ignition FWSS118 Water In Fuel (WiF) Sensor is designed to detect water contamination in diesel fuel systems. Engineered for direct mounting, this sensor ensures accurate monitoring to protect your Dodge Ram 2500 and Ram 3500 diesel engines from potential damage caused by water in the fuel.

  • Connector Gender: Female
  • Single square-shaped plug-in connector
  • Direct mounting type for secure installation
  • Compatible with diesel fuel systems
  • Two male pin terminals for reliable electrical connection

Technical Details and Compatibility

The FWSS118 sensor features a female connector with a square plug-in design, providing a secure and straightforward connection to the vehicle’s wiring harness. It includes two male pin terminals, ensuring stable electrical contact. This sensor is specifically designed for diesel fuel applications and mounts directly onto the fuel system, allowing for precise detection of water presence. Compatible with Dodge and Ram models 2500 and 3500, the FWSS118 part number is an essential component for maintaining fuel system integrity in these heavy-duty trucks.

Purpose and Problem Solving

  • Detects water contamination in diesel fuel to prevent engine damage
  • Helps avoid fuel system corrosion caused by water presence
  • Prevents injector failure due to contaminated fuel
  • Supports maintaining optimal engine performance and fuel efficiency
  • Alerts to potential fuel filter clogging from water accumulation

Installation Notes and Tips

Installation of the Standard Ignition FWSS118 sensor requires direct mounting onto the fuel system. Ensure the connector is properly aligned with the female square plug-in interface and that the two male pin terminals are securely connected. It is recommended to inspect the fuel system for leaks or damage before installation. Use appropriate tools to avoid damaging the sensor or connector during installation. Refer to the vehicle’s service manual for specific torque specifications and safety precautions.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The FWSS118 Water In Fuel Sensor undergoes rigorous quality control testing to guarantee accurate water detection in diesel fuel systems. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use conditions.

BrandStandard Ignition
Part NumberFWSS118
Connector GenderFemale
Connector ShapeSquare
Connector TypePlug In
Fuel TypeDiesel
Mounting TypeDirect
Terminal GenderMale
Terminal TypePin

This part fits 36 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2024Ram25006.7LL6N/A
2024Ram35006.7LL6N/A
2023Ram25006.7LL6N/A
2023Ram35006.7LL6N/A
2022Ram25006.7LL6N/A
2022Ram35006.7LL6N/A
2021Ram25006.7LL6N/A
2021Ram35006.7LL6N/A
2020Ram25006.7LL6N/A
2020Ram35006.7LL6N/A
2019Ram25006.7LL6N/A
2019Ram35006.7LL6N/A
2018Ram25006.7LL6N/A
2018Ram35006.7LL6N/A
2017Ram25006.7LL6N/A
2017Ram35006.7LL6N/ALocated in Fuel Filter
2016Ram25006.7LL6N/A
2016Ram35006.7LL6N/ALocated in Fuel Filter
2015Ram25006.7LL6N/ALocated in Fuel Filter
2015Ram35006.7LL6N/ALocated in Fuel Filter
2014Ram25006.7LL6N/ALocated in Fuel Filter
2014Ram35006.7LL6N/ALocated in Fuel Filter
2013Ram25006.7LL6N/ALocated in Fuel Filter
2013Ram35006.7LL6N/ALocated in Fuel Filter
2012Ram25006.7LL6N/A
2012Ram35006.7LL6N/A
2011Ram25006.7LL6N/A
2011Ram35006.7LL6N/A
2010DodgeRam 25006.7LL6N/A
2010DodgeRam 35006.7LL6N/A
2009DodgeRam 25006.7LL6N/A
2009DodgeRam 35006.7LL6N/A
2008DodgeRam 25006.7LL6N/A
2008DodgeRam 35006.7LL6N/A
2007DodgeRam 25006.7LL6N/A
2007DodgeRam 35006.7LL6N/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:

68065610AA800-25018FSS118FSSA12WIF302

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