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USD 35.21
Part #: AP0133

Alliant AP0133 Fuel Injector Return Line Seal Kit

2017-2020 GM 6.6L Duramax L5P | 2019-2020 GM 6.6L Duramax L5D (Cab & Chassis)
Part #: AP0133
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Use the Alliant AP0133 Fuel Injector Return Line Seal Kit when resealing the injectors in your 2017-2020 GM 6.6L Duramax L5P and 2019-2020 GM 6.6L Duramax L5D. Each bank has a rigid Fuel Return Line that must be removed to access the fuel injectors. This seal kit provides a cost saving alternative to replacing the entire fuel return line.

  • Meets Or Exceeds OE Specs
  • 1 Kit Required Per Bank
  • Sold Individually

Vehicle Applications

2017 GMC 6.6L L5P Duramax
2017 Chevy 6.6L L5P Duramax
2018 GMC 6.6L L5P Duramax
2018 Chevy 6.6L L5P Duramax
2019 GMC 6.6L L5P Duramax
2019 Chevy 6.6L L5P Duramax
2020 GMC 6.6L L5P Duramax
2020 Chevy 6.6L L5P Duramax


  • MFG. Number AP0133
  • Manufacturer Name Alliant Power
  • Shipping Weight 1.00 lb.
  • Shipping Length 6 in.
  • Shipping Width 5.75 in.
  • Shipping Height 0.25 in.
  • Fuel Type Diesel
  • Warranty Yes
  • Warranty Info 2 Year / Unlimited Mileage
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L0.00R0.00


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