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Long Block Engine - 2004-2005 GM 6.6L Duramax LLY MT


2004-2005 GM 6.6L Duramax LLY Diesel
Manual Transmission

It is advisable to call in with your VIN # before ordering to ensure exact engine fitment.

All Reviva Engines are assembled in the USA. USDP offers free ground shipping of engine and core return.

This item requires a Core Return or Core Charge

Please see link below for more information

Pricing: $5,588.80

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Long Block Engine for 2004-2005 GM 6.6L Duramax LLY with Manual Transmission

Part # 67G4L066BM

Duramax 6.6L, LLY vin code 2 with sheet metal, no injectors, includes cam and crank sensors.


It is advisable to call in with your VIN # before ordering to ensure exact engine fitment.

Engine Package Contents

Long Block
  • Block
  • Crankshaft
  • Camshaft
  • Pistons/rings
  • Timing gears
  • Connecting rods
  • Lifters
  • Glow plugs
  • Main/rod bearings
  • Piston Cooling Tubes
  • Cam bearings
  • Valve train
  • Cylinder heads/valves
  • Oil pan & pick-up tube
  • Oil pump
  • Oil cooler
  • Front cover
  • Oil filter
  • Flywheel housing
  • Water pump
  • Valve covers
  • Engine oil level sensor
  • Camshaft position sensor

  • Assembled in the USA.
  • Blocks and crankshafts are 100% magnaflux tested to avoid cracked components.
  • Aluminum cylinder heads are dyed to check for cracks.
  • Crankshaft is checked for size and micro-polished to 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 connecting rods are de-magnetized.
  • 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.
  • Reviva replaces 100% internal wear items including rings, bearings, bushings, gaskets and seals.

Warranty Coverage

On-Road Long Block configurations: 1yr/unlimited mileage.

Note: If engine is equipped with an EGR cooler, it must be tested and/or replaced to activate warranty.

Some restrictions apply; see limited warranty details or call for more information.


Shipping Information

  • Item Requires Shipping
  • 700.0 lbs.
  • W24.0000” x H28.0000” x L32.0000”
  • Free Shipping!

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