LB7 Complete Long Block

Superior Performance with the LB7 Duramax Long Block

The LB7 Duramax long block is a trusted choice for those seeking a reliable and powerful diesel engine. Engineered for smooth performance and longevity, each LB7 long block is meticulously crafted to meet high standards.

  • Enhanced Oil System: This system features an EDM oil pump shaft with a hardened dowel, which prevents slipping and ensures consistent oil pressure.
  • Balanced and Smooth: Machined with near-identical weight pistons and connecting rod assemblies for a smoother, more balanced engine that minimizes road noise.
  • Reinforced Internals: Comes with new pistons, rings, bearings, and rods, providing reinforced durability and performance.

If you’re in the market for an LB7 long block for sale, explore our inventory. Get the power and reliability you need with an LB7 Duramax long block.

The DFC Difference

DFC Diesel Rebuilders prides itself in being the highest quality product on the market. This is why we can back our engines with a 5 year 160,000km warranty that we stand behind.

Our engines have been re-manufactured to factory specs using all new industry recognized name brand parts that meet and exceed OEM specifications. The block has been professionally machined and bored for use with the next over-sized piston NO SLEEVES ARE USED.

All New OEM or equivalent pistons, rings, and gaskets are used to ensure quality and consistency of our engines. Our Re-manufactured Cylinder Heads have all new seats, guides, valves, and stem seals as well as being resurfaced and magnafluxed.

Complete Long Block Includes:

  • Long Block
  • Injectors
  • Turbo
  • Oil cooler

(Does not include CP3 pump)

Brand: Chev-GMC Duramax

Product Type: Engines

Years: 2001 - 2004