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Jasper Offers Remanufactured GM 6.6L Duramax LML Special Complete Engine

Jasper Engines & Transmissions now offers a General Motors 6.6L Duramax LML Special Complete diesel engine for 2011 to 2016 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD trucks.

May 22, 2025
Diesel engine against a blue background and company logo for Jasper Engines & Transmission.

Jasper’s remanufactured GM 6.6L Duramax LML Special complete diesel engine is spin-tested, ensuring proper compression, timing, sensor operation, and oil pressure.

Photo: Jasper Engines & Transmissions/Work Truck

1 min to read


Jasper Engines & Transmissions announced the availability of the remanufactured General Motors 6.6L Duramax LML Special Complete diesel engine for 2011 to 2016 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD trucks.

Built for the ease of installation, Jasper’s newest engine platform includes the following installed components over its standard Complete Format engine:

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  • Lower intakes

  • Lower valve covers

  • Upper valve covers

  • OEM Bosch injectors

  • Cam position sensor

  • Crank position sensor spacer

  • Crank position sensor

The remanufactured Duramax LML Special Complete 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.

To complete the engine installation and provide peace of mind, Jasper offers the turbo and CP4 pump as an optional purchase.

The standard warranty for the remanufactured Duramax LML Special Complete engine is two years, parts and labor. 

Remanufactured Ford 6.7L Powerstroke

Jasper Engines & Transmissions earlier this year announced the availability of the remanufactured Ford 6.7L Powerstroke/Scorpion Special Complete diesel engine for 2017 to 2019 model-year Ford F-250/F-350 Super Duty pickup truck applications.

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