Standard Ignition

Standard Ignition DEFT103 Diesel Exhaust Fluid (DEF) Tank

Brand Standard Ignition DEFT103
Finish Plastic
Fuel Type Diesel
Material Plastic
Fits Ford · 3 vehicles

DEF tank. Plastic construction for diesel emission control systems.

Plastic finish. Durable material matches the tank's lightweight design.

Cross-references DET203, EFT103 and HC3Z5J250B for the same application. See all 3.

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Diesel Exhaust Fluid Tank for Ford Super Duty

Standard Ignition DEFT103 is a plastic Diesel Exhaust Fluid (DEF) tank built for diesel emission control service. It is a direct-fit replacement for 2017-2019 Ford F-350 Super Duty applications and supports DEF storage in the vehicle’s emission system.

  • Plastic DEF tank construction for diesel emission control use
  • Material: plastic
  • Finish: plastic
  • Fits 2017-2019 Ford F-350 Super Duty, N/A
  • Part number DEFT103 for application-specific lookup

Application Details

Use DEFT103 when replacing a damaged or leaking Diesel Exhaust Fluid tank on a 2017-2019 Ford F-350 Super Duty. This Standard Ignition DEF tank is listed for diesel fuel applications and matches the confirmed vehicle fitment for the Ford F-350 Super Duty platform. If you are searching for a 2017 Ford F-350 Super Duty DEF tank, a 2018 Ford F-350 Super Duty DEF tank, or a 2019 Ford F-350 Super Duty DEF tank, DEFT103 is the referenced part number.

This part cross-references Ford OE number HC3Z5J250B for the same application.

What It Helps Address

  • Cracked or damaged DEF tank housing
  • DEF fluid leakage from the storage tank
  • Emission system service needs tied to DEF reservoir replacement
  • Incorrect tank identification during Ford Super Duty repair work

Installation Notes

Verify the vehicle year and model before ordering. Confirm the existing tank configuration and connector locations against the original unit before installation. After replacement, inspect the DEF system for leaks and clear any related fault codes according to the vehicle service procedure.

Quality Assurance

Standard Ignition supplies emission control components for diesel applications, and DEFT103 is cataloged as a plastic replacement DEF tank for the specified Ford Super Duty fitment.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2019FordF-350 Super DutyCab & Chassis6.7LV8N/A
2018FordF-350 Super DutyCab & Chassis6.7LV8N/A
2017FordF-350 Super DutyCab & Chassis6.7LV8N/A
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
DET203EFT103HC3Z5J250B