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GMC 6.6L DURAMAX Engine & Powertrain For Sale

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   Camshafts (5)    Crankshafts (5)    Cylinder Heads (7)    Engine Blocks / Cylinder Blocks (5)    Engine Brackets (2)    Engine Control Modules (ECM) (9)    Engine Harmonic Balancers (8)    Engine Mounts (5)    Engine Oil Coolers (1)    Engine Oil Pans (1)    Engine Oil Pumps (3)    Engine Valve Trains (2)    Front Engine Covers (3)    Intake Manifolds (17)    Turbochargers / Superchargers (7)    Valve Covers (3)
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6.6L DURAMAX (83)
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Showing 26 - 50 of 83 Listings

26 - 50 of 83 listings
26 - 50 of 83 listings
GMC 6.6L DURAMAX Engine Block / Cylinder Block for a GMC C5500

2005 GMC 6.6L DURAMAX Engine Block / Cylinder Block for a GMC C5500

$1,000 USD
Engine Short Block, 6.6 Duramax Good Condition. Ship Ready, Removed From A 2005 GMC C5500. Call DTI Trucks for more information and a shipping quote.
ConditionUsed
Fits To Make(s)GMC
Fits To Model(s)C5500
Stock Number72099
MLS Number13487182
CategoryEngine Blocks / Cylinder Blocks
Last Updated5/12/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
GMC 6.6L DURAMAX Engine Block / Cylinder Block for a Chevrolet C4500

2005 GMC 6.6L DURAMAX Engine Block / Cylinder Block for a Chevrolet C4500

$1,000 USD
Engine Short Block, 6.6D Duramaxx Good Condition. Ship Ready, Removed From A 2005 Chevrolet C4500. Call DTI Trucks for more information and a shipping quote.
ConditionUsed
Fits To Make(s)CHEVROLET
Fits To Model(s)C4500
Stock Number71888
MLS Number13459961
CategoryEngine Blocks / Cylinder Blocks
Last Updated5/12/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
NUMBERCall Seller
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DTI Truck Parts
GMC 6.6L DURAMAX Engine Control Module (ECM) for a GM 6.6 DURAMAX

GMC 6.6L DURAMAX Engine Control Module (ECM) for a GM 6.6 DURAMAX

$200 USD
Good used, cleaned and inspected GM 6.6 Duramax ECM. Part Number: 12646248 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application.
ConditionUsed
Fits To Make(s)GM
Fits To Model(s)6.6 DURAMAX
Part Number12646248
Stock NumberRyd 12646248
MLS Number12064263
CategoryEngine Control Modules (ECM)
Last Updated1/1/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
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