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2008–2010 Chevy GMC 3500HD 6.6L Duramax LMM Allison 1000 Automatic Transmission | OEM

Name: 2008–2010 Chevy GMC 3500HD 6.6L Duramax LMM Allison 1000 Automatic Transmission | OEM
Brand: Allison
SKU: GM-DMAX-LMM-ALLI1000-0810
Availability: InStock

$1,500.00

OEM Allison 1000 6-speed automatic transmission for 2008–2010 Chevy/GMC 3500HD with the 6.6L Duramax LMM engine. Clean and tested.

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SKU : GM-DMAX-LMM-ALLI1000-0810 Categories : Transmission & Drivetrain, Transmissions Tags : 29546603, 6-speed diesel trans, Allison 1000 transmission, Allison LMM swap, Chevy 3500HD transmission, diesel truck transmission, Duramax 6.6L transmission, GM heavy-duty transmission, GMC 3500HD gearbox, LMM Duramax automatic Brand: Allison, General Motors (GM)

Description
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Description

This is a genuine OEM Allison 1000 6-speed automatic transmission removed from a 2008–2010 Chevrolet or GMC 3500HD equipped with the 6.6L Duramax LMM diesel engine.

The Allison 1000 is widely regarded as one of the most reliable heavy-duty automatic transmissions available, built to handle high torque loads and extended towing demands. This transmission was thoroughly inspected and is in excellent used condition, ready for installation.

Vehicle Compatibility: 2008, 2009, 2010 Chevy Silverado 3500HD / GMC Sierra 3500HD
Engine Compatibility: 6.6L Duramax Diesel (LMM)
Transmission Code: Allison 1000
Mileage: ~89,000 miles (randomized)
Torque Converter: Included
Condition: Used, fully functional, tested before removal
Part Number Example: 29546603 (verify per VIN)
Fitment Note: Only compatible with LMM Duramax trucks