Diamond Deisel & Turbo

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GM 6.6L Duramax Engine

We offer quality parts for your GM 6.6L Duramax Engine. You can trust Diamond Diesel to offer only high quality products backed by warranty. 

See below what we can offer your GM 6.6L Duramax Engine


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Diamond Diesel Online Store

Diamond Diesel and Turbocharger Service has the following parts available online for your GM 6.6L Duramax Engine

  • L5P Remanufactured Injectors
  • L5P Remanufactured Injector Bank Kit
  • L5D Remanufactured Injectors
  • L5D Remanufactured Injector Bank Kit
Fuel System Components:
  • Fuel Transfer Pumps
  • Fuel Return Line Banjo Bolt
  • Injection Lines for Cylinders 1 to 8
  • Aftertreatment Fuel Injector
  • L5P/L5D Engine Injector Installation Kit- Cylinders 2/4/5/7
  • L5P/L5D Engine Common Rail Pump Installation Kit
  • L5P/L5D Fuel Contamination Kit
  • L5P/L5D Reman Common Rail Pump - Pump only.
  • L5P/L5D Reman Common Rail Pump with Installation Kit.
Engine Components:
  • Turbo Hose
  • Water Pumps
  • Turbocharger Van Actuator
Electrical Harness and Repair:
  • 2 Wire Pigtail - Fits the VGT Solenoid
Seal and Gasket Kits:
  • Fuel Filter Base and Hand Primer Seal Kit
  • Head Installation Kit
  • Head Gasket
  • L5P/L5D Engine Injector Fuel Return Line Seal Kit
  • L5P/L5D Cylinder3 Injector/Exhaust Gas Recirculation  (EGR) Gasket Kit
Engine Accessories:
  • Belt Tensioner
  • Remanufactured Starter
  • Fuel Filter (Racor)
  • Mass Air Flow (MAF)