Alliant Power - Fuel Contamination Kit w/DCR Pump - L5P 6.6L Duramax - 2020-2023

Alliant Power AP57026 | Fuel System Contamination Kit - GM 6.6L Duramax L5P '20 - '23 - DCR Pump

This comprehensive Diesel Fuel Contamination Kit is engineered for the 2020–2023 GM 6.6L L5P pickup truck and includes all essential components to restore the entire high-pressure fuel system, including the DCR fuel pump, after a contamination event. Whether due to water intrusion, DEF misfill, or fuel quality issues, this kit is designed to ensure a full-system refresh and protect your engine from long-term damage.

• Injectors and pump are all 100% end of line tested
• Includes all essential components to restore the entire high-pressure fuel system, including the DCR fuel pump
• Pump is a seamless, plug and play replacement    
• USA assembled and built proudly in an ISO 9001:2015 certified facility
• Pending CARB certification
• Backed by our AP two-year unlimited mileage warranty
• Included in the box:
  • 8 x New Common Rail Injectors OE Equivalent # 12698552
  • 1 x New Fuel Injection Pump DCR Part # 608990
  • 1 x Throttle Body Mounting Gasket OE Equivalent # 12665248
  • 1 x EGR Valve at Manifold Gasket OE Equivalent # 12677819
  • 1 x Gasket turbocharger OE Equivalent # 12651147
  • 2 x Intake Manifold Gaskets OE Equivalent # 12642410
  • 2 x EGR Coolant Pipe Seals OE Equivalent # 12648141
  • 1 x Water Pipe Gasket OE Equivalent # 12643771
  • 2 x Thermostat Housing Gaskets OE Equivalent # 12643149
  • 1 x Coolant Pipe Seal OE Equivalent # 12648140
  • 1 x Coolant Pipe Seal OE Equivalent # 12658352
  • 1 x Diesel Fuel Filter OE Equivalent # PU9012/1Z
  • 1 x Line - Return From Pump OE Equivalent # 12673878
  • 1 x Line - Return From Injector Lh OE Equivalent # 12684288
  • 1 x Line - Return From Injector Rh OE Equivalent # 12684289
  • 1 x Fuel Cooler OE Equivalent # 84740502
  • 1 x EGR Pipe Gasket OE Equivalent # 12680216
  • 1 x EGR Valve Gasket OE Equivalent # 12688014
  • 1 x Fuel Injection Pump Nut OE Equivalent # 11611990
  • 1 x Rail OE Equivalent # 12686810
  • 1 x Rail OE Equivalent # 12686808
  • 4 x HP Lines OE Equivalent # 12720156
  • 4 x HP Lines OE Equivalent # 12720157
  • 1 x Aftertreatment Injector OE Equivalent # 12717296
  • 8 x Bolts OE Equivalent # 11611340

• 2020-2023 Chevrolet Silverado 2500 (6.6L Duramax L5P)
• 2020-2023 Chevrolet Silverado 3500 (6.6L Duramax L5P)
• 2020-2023 GMC Sierra 2500 (6.6L Duramax L5P)
• 2020-2023 GMC Sierra 3500 (6.6L Duramax L5P)