JASPER® Offers Remanufactured GM 6.6L Duramax LML Special Complete Engine

Black internal combustion engine.

Jasper Engines & Transmissions is excited to announce the availability of the remanufactured GM 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 our standard Complete Format engine:

  • 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. Click here to view a video about the GM 6.6L Duramax LML Special Complete engine https://youtu.be/TlzXDtA46F8 .

The standard warranty for the remanufactured Duramax LML Special Complete engine is two years parts and labor. Warranty details are available at www.jasperengines.com , or upon request.

For more information on the complete line of JASPER remanufactured powertrain products, please call 800.827.7455 or visit www.jasperengines.com

Medium duty truck tires on a Florida construction site
August 24, 2026
Expert advice on managing Florida work truck tires during summer. Avoid blowouts with pressure checks and professional maintenance in Central Florida.
ASE Certified technician installing a JASPER remanufactured engine in a fleet truck.
August 17, 2026
Learn why Professional Fleet Maintenance chooses JASPER remanufactured engines and transmissions to minimize downtime for Fort Lauderdale and Tampa fleets.
Commercial truck dashboard with glowing red warning lights illuminated.
August 7, 2026
Learn which truck dash warnings require an immediate stop. Our ASE Certified technician explains red lamps, derates, and fault codes to save your engine and ensure safety.
Mobile fleet service van parked next to a line of commercial trucks in Florida.
August 3, 2026
Learn how to safely get your commercial fleet back on the road after a hurricane with professional post-storm inspection tips from ASE Certified technicians.
Medium duty trucks inside a professional fleet service shop bay.
July 27, 2026
Simplify your truck repair billing with a cbCharge fleet account. Get one monthly invoice, 30-day terms, and a secure online portal at our Florida shops.
ASE Certified technician testing commercial truck batteries in a Florida shop bay.
July 20, 2026
Learn why Florida heat is the #1 killer of commercial truck batteries. Discover warning signs and professional testing methods from an ASE-certified technician to avoid breakdowns.
Professional truck driver performing walkaround inspection on a medium duty truck.
July 13, 2026
Master your daily routine with our commercial truck walkaround guide. ASE Certified tips on tires, brakes, and leaks for Florida drivers from Professional Fleet Maintenance.
Technician filling a medium duty truck with DEF fluid
July 6, 2026
Expert guide on Diesel Exhaust Fluid (DEF) for Florida fleet managers. Learn how to prevent heat degradation and contamination in your medium-duty trucks from an ASE Certified technician.
Technician inspecting truck cooling system in Fort Lauderdale shop bay
June 29, 2026
Ensure your medium-duty truck survives the intense Florida summer heat. Explore 5 essential cooling system checks recommended by ASE Certified technicians in Fort Lauderdale to prevent overheating and costly downtime.
Medium duty box truck in heavy Florida traffic illustrating DPF challenges.
June 22, 2026
Learn why short routes in Tampa and Miami cause DPF issues. ASE certified tech advice on diesel regeneration, soot buildup, and professional aftertreatment diagnostics for Florida fleets.
Show More