6.6-Liter Duramax Engines

The Duramax engine is a joint venutre of GM & Isuzu.
 
 

LB7 (VIN "1") Engine was installed from 2001-2004.

 

LLY (VIN "2") Engine was installed from 2004-2005.

 

LBZ (VIN "D") Engine was installed from 2006-2007.

 

LMM (VIN "6") Engine was installed from 2007-2011.

 

LML (VIN "8") Engine was Installed from 2011 to current.

 
 

6.6L Duramax Engines to fit Chevrolet/GMC Pickup Truck from 2001-2014

 

Engine Identification

 

To determine the correct part number and configuration available, please gather the VIN (Vehicle Identification Number).

 

 Fits

 

  • Silverado 2500HD, Silverado 3500HD

  • Sierra 2500HD, Sierra 3500HD

  • Kodiak C4500, Kodiak C5500, Kodiak C6500

  • Topkick C4500, Topkick C5500, Topkick C6500

 

Depending on the model this may be all that is needed. 

If you have a C4500, C5500 or C6500, additional information will be needed to determine the correct engine.

 

  • Assembled in the USA.

  • Blocks and crankshafts are 100% magnaflux tested to avoid cracked components.

  • Aluminum cylinder heads are dyed to check for cracks.Crankshafts are checked for size and micro-polishedto OEM specifications.

  • If necessary, it is re-ground re-nitrated and micro-polished to OEM specifications.

  • Connecting rods have new bushings installed and both large and small end are remachined to OEM specifications.

  • All heads get new valves and are vacuum tested to ensure the quality of the valve job.

  • All heads are pressure tested.

  • Core plugs are 100% stainless steel to avoid corrosion.

  • NPD replaces 100% internal wear items includingrings, bearings, bushings, gaskets and seals. 

Click on Pictures to View Options for Bare Long Block 6.6 L Duramax Engines

Click on Pictures to View Options for Complete Long Block 6.6 L Duramax Engines

Click on Pictures to View Options for Complete Long Block w/injectors 6.6 L Duramax Engines

Click on Pictures to View Options for Complete Drop-in 6.6 L Duramax Engines

Please be sure to view the Core Deposit that is associated with the engine you are ordering. The core deposit will need to be paid upfront before the engine(s) ships.

Freight Charges: Most of our Remanufactured engines include FREE Shipping both ways within the Continental United States.

Some of our Bare Long Blocks, Used & Reconditioned engines do have additional shipping fees. Please contact us for a freight quote.

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