ZZ Diesel offers a variety of high-quality 2004-2005 Duramax diesel fuel system parts and accessories for your diesel truck. In this collection you’ll find CP3 pumps and upgrades, injector lines and seals, fuel additives, lift pumps, fuel filters, fuel injectors, fuel system plumbing, and other Duramax specialty parts. Everything in this collection, from the smallest individual fittings and seals to the largest pump installation kits, has been manufactured by reliable companies trusted and preferred by customers around the world. Find customer favorites like a 2005 Duramax fuel pressure regulator or Duramax fuel line upgrade. Please call us with any questions.