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Jasper Offers GM 6.6L Duramax L5P/L5D Complete Format Diesel Engines

Jasper Engines & Transmissions now offers the remanufactured GM Duramax 6.6L L5P/L5D as a complete format engine for several General Motors and International 2017-2023 HD pickup trucks.

September 21, 2026
Jasper Engines & Transmissions graphic featuring a remanufactured GM 6.6L Duramax L5P/L5D engine for Chevrolet Silverado, GMC Sierra, and International CV515 trucks.

Jasper Engines & Transmissions now offers the remanufactured GM Duramax 6.L5P/L5D as a complete format engine.

Credit:

Jasper Engines & Transmissions

1 min to read


  • Jasper Engines & Transmissions now offers remanufactured 6.6L Duramax L5P/L5D diesel engines.
  • The engines are available in a complete format, suited for GM and International HD pickup trucks.
  • The offering covers models from the years 2017 to 2023.

*Summarized by AI

Jasper Engines & Transmissions has expanded availability of its remanufactured GM Duramax 6.6L family of engines. Jasper now offers the L5P/L5D as a complete format engine for the following 2017-2023 applications.

The remanufactured engine is now available for:

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  • Chevrolet Silverado 2500HD-6500HD
  • GMC Sierra 2500-3500HD
  • International CV515

A Jasper remanufactured complete format diesel engine includes the block, heads, crank, cam, rods, valve train, oil pump, oil pan and pickup tube, oil filter, oil cooler, gear cover, and finishing gaskets.

“This engine is completely remanufactured with a standard set of new parts,” said Ryan Dooley, Jasper diesel director of operations. “All other castings and components are remanufactured and re-qualified to meet or exceed OEM specifications.”

The remanufactured Duramax L5P/L5D complete format engine is spin-tested, ensuring proper compression, timing, sensor operation, and oil pressure. “A blacklight inspection with dye-infused oil and coolant is conducted to ensure the engine is free of leaks,” Dooley added.

Warranty Coverage for Engine

The Jasper remanufactured GM 6.6L Duramax L5P/L5D complete format engine is covered by a nationwide, transferable, parts and labor warranty of up to two years, unlimited mileage. Full warranty disclosure is available on Jasper’s website or upon request.


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