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SKP SK621F05 Diesel Exhaust Fluid (DEF) InjectorOE Quality 60-Day Returns
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Part #: SK621F05

SKP SK621F05 Diesel Exhaust Fluid (DEF) Injector

⚙️ 47 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, Porsche, and Volkswagen, A6 Quattro, A7 Quattro, Cayenne, Crafter, Passat, Q5, Q7, and Touareg
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Diesel Exhaust Fluid Injector for Select Audi, Volkswagen, and Porsche Models

SKP SK621F05 is a Diesel Exhaust Fluid (DEF) injector for diesel emission systems on select Audi, Volkswagen, and Porsche applications. It is a direct-fit emission component for vehicles that require precise DEF delivery to support exhaust aftertreatment operation.

Key Features

  • Diesel Exhaust Fluid (DEF) injector for emission system service
  • Fits select Audi Q5, Audi Q7, Audi A6 Quattro, and Audi A7 Quattro applications
  • Also fits Volkswagen Passat, Volkswagen Touareg, and Volkswagen Crafter diesel models
  • Compatible with Porsche Cayenne diesel applications
  • SKP part number SK621F05 for streamlined replacement lookup

Fitment Details

  • Fits 2016-2017 Volkswagen Crafter, N/A
  • Fits 2014-2016 Audi A6 Quattro, N/A
  • Fits 2014-2016 Audi A7 Quattro, N/A
  • Fits 2010-2016 Audi Q5, N/A
  • Fits 2008-2015 Audi Q7, N/A
  • Fits 2012-2015 Volkswagen Passat, N/A
  • Fits 2013-2014 Porsche Cayenne, N/A
  • Fits 2007-2014 Volkswagen Touareg, N/A

What This Part Helps Address

  • DEF injector fault codes related to emission system dosing
  • Uneven or incorrect diesel exhaust fluid delivery
  • Emission system performance issues tied to injector wear or contamination
  • Check engine lights associated with SCR/DEF system faults
  • Service needs on diesel Audi, Volkswagen, and Porsche exhaust systems

Installation Notes and Tips

Confirm the original part number and vehicle application before installation. This part cross-references 3C0 131 113 C and 4H0 131 113 A for the same application. Inspect the DEF lines, connectors, and surrounding emission components for contamination or damage during replacement. Clear diagnostic trouble codes after installation and verify proper system operation with a scan tool.

Quality Assurance

SKP replacement parts are built for direct-fit service on listed applications. SK621F05 is intended for diesel emission system repair where the original DEF injector has failed or is no longer delivering fluid correctly.

This part fits 47 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017VolkswagenCrafter2.0LL4N/A
2016AudiA6 Quattro3.0LV6N/A
2016AudiA7 Quattro3.0LV6N/A
2016AudiQ53.0LV6N/A
2016VolkswagenCrafter2.0LL4N/A
2015AudiA6 Quattro3.0LV6N/A
2015AudiA7 Quattro3.0LV6N/A
2015AudiQ53.0LV6N/A
2015AudiQ73.0LV6N/A
2015AudiQ74.2LV8N/A
2015VolkswagenPassat2.0LL4N/A
2014AudiA6 Quattro3.0LV6N/A
2014AudiA7 QuattroN/A
2014AudiA7 Quattro3.0LV6N/A
2014AudiQ53.0LV6N/A
2014AudiQ73.0LV6N/A
2014AudiQ74.2LV8N/A
2014PorscheCayenne3.0LV6N/A
2014VolkswagenPassat2.0LL4N/A
2014VolkswagenTouareg3.0LV6N/A
2013AudiQ53.0LV6N/A
2013AudiQ73.0LV6N/A
2013AudiQ74.2LV8N/A
2013PorscheCayenne3.0LV6N/A
2013VolkswagenPassat2.0LL4N/A
2013VolkswagenTouareg3.0LV6N/A
2012AudiQ53.0LV6N/A
2012AudiQ73.0LV6N/A
2012AudiQ74.2LV8N/A
2012VolkswagenPassat2.0LL4N/A
2012VolkswagenTouareg3.0LV6N/A
2011AudiQ53.0LV6N/A
2011AudiQ73.0LV6N/A
2011AudiQ74.2LV8N/A
2011VolkswagenTouareg3.0LV6N/A
2010AudiQ53.0LV6N/A
2010AudiQ74.2LV8N/A
2010AudiQ73.0LV6N/A
2010VolkswagenTouareg3.0LV6N/A
2009AudiQ74.2LV8N/A
2009AudiQ73.0LV6N/A
2009VolkswagenTouareg3.0LV6N/A
2008AudiQ74.2LV8N/A
2008AudiQ73.0LV6N/A
2008VolkswagenTouareg5.0LV10N/A
2007VolkswagenTouareg4.9LV10N/A
2007VolkswagenTouareg5.0LV10N/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:

3C0 131 113 C4H0 131 113 A

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