HomeEmission Control > Emission ComponentsStandard Ignition FWH102 Diesel Exhaust Fluid (DEF) Pump Wiring Harness
Part #: FWH102

Standard Ignition FWH102 Diesel Exhaust Fluid (DEF) Pump Wiring Harness

3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, F-350 Super Duty
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Overview of Standard Ignition Diesel Exhaust Fluid Pump Wiring Harness

The Standard Ignition FWH102 Diesel Exhaust Fluid (DEF) Pump Wiring Harness is designed specifically for Ford F-350 Super Duty models. This wiring harness ensures reliable electrical connectivity for the DEF pump system, supporting emission control components critical to diesel engine performance.

  • Compatible with Ford F-350 Super Duty diesel models
  • Includes 5 connectors with both female and male genders
  • Features 42 terminals combining female and male blade & pin types
  • Designed for Diesel Exhaust Fluid (DEF) pump wiring applications

Detailed Product Features and Specifications

The FWH102 wiring harness from Standard Ignition is engineered to meet the specific electrical requirements of the DEF pump system in Ford F-350 Super Duty trucks. It includes a total of five connectors, each with a combination of female and male genders to ensure proper mating with vehicle components. The harness contains 42 terminals, utilizing both blade and pin terminal types in female and male configurations, providing secure and durable electrical connections. This design supports the emission control system by maintaining consistent power and signal transmission to the DEF pump, which is essential for reducing harmful diesel emissions.

Applications and Problem Resolution

This wiring harness is used primarily in the emission control system of Ford F-350 Super Duty diesel trucks, specifically for the Diesel Exhaust Fluid pump. It addresses several common issues including:

  • Intermittent or failed DEF pump operation due to wiring faults
  • Corrosion or damage to terminals causing poor electrical contact
  • Connector mismatches or loose connections affecting pump performance
  • Wiring harness wear from engine bay exposure and vibration

Installation Notes and Tips

When installing the Standard Ignition FWH102 wiring harness, ensure the vehicle is powered off and the battery is disconnected to prevent electrical shorts. Verify connector orientation by matching female and male connectors carefully to avoid damage. Inspect terminals for corrosion or damage before installation. Secure the harness along existing wiring routes to minimize exposure to heat and mechanical stress. Proper installation will help maintain the integrity of the DEF pump electrical system.

Quality Assurance and Warranty Information

Standard Ignition products are manufactured to meet OEM specifications for fit, form, and function. The FWH102 wiring harness undergoes rigorous quality control to ensure reliable performance in emission control applications. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship, providing confidence in the durability of this wiring harness for Ford F-350 Super Duty diesel trucks.

BrandStandard Ignition
Part NumberFWH102
Connector GenderFemale + Male
Terminal GenderFemale + Male
Terminal TypeBlade & Pin

This part fits 3 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2019FordF-350 Super DutyCab & Chassis6.7LV8N/A
2018FordF-350 Super DutyCab & Chassis6.7LV8N/A
2017FordF-350 Super DutyCab & Chassis6.7LV8N/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:

850-11672DFH102EFW202HC3Z14407B

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