2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Rebuild Kits & Internal Parts

For upgrading or maintaining your GM 2500HD/3500HD's transmission, we offer a comprehensive selection of rebuild kits and internal components to make the job seamless. Whether you're looking to boost durability with a high-strength billet input shaft, upgrade to a high-performance overdrive clutch drum for handling extreme power, or refresh your transmission with new gaskets, bearings, and clutches, we've got everything you need! Give your transmission the upgrades and heavy-duty internal parts it needs to continue to perform flawlessly on your GM 2500HD/3500HD! Pair your new rebuild kits and internal parts with our selection of Engine Upgrades!GM Duramax Fitments: 2007, 2009, 2010 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2007.5-2010 6.6L LMM
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SunCoast A1-P2K-6 P2 Planet Fix Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SunCoast A1-P2K-6 P2 Planet Fix Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SunCoast Performance

SunCoast A1-P2K-6 P2 Planet Fix Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SUNA1-P2K-6
Sale price
$897.25
Regular price
$925
SunCoast A1-109100 Billet Output Shaft | 01-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SunCoast A1-109100 Billet Output Shaft | 01-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SunCoast Performance

SunCoast A1-109100 Billet Output Shaft | 01-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SUNA1-109100
Sale price
$727.50
Regular price
$755
SunCoast A1-109700 Billet Intermediate Shaft | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SunCoast A1-109700 Billet Intermediate Shaft | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SunCoast Performance

SunCoast A1-109700 Billet Intermediate Shaft | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SUNA1-109700
Price
$577.15
ATS 313-921-4308 Allison Master Rebuild Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ATS 313-921-4308 Allison Master Rebuild Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ATS Diesel Performance

ATS 313-921-4308 Allison Master Rebuild Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ATS313-921-4308
Price
$1,725.50
PPE 128035590 Stage6G C5 Clutch Pack | 2001-2022 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 128035590 Stage6G C5 Clutch Pack | 2001-2022 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 128035590 Stage6G C5 Clutch Pack | 2001-2022 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE128035590
Price
$269.99
RevMax A1000-302 Allison 1000 High Performance Rebuilt Valve Body Upgrade | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ/LMM
RevMax A1000-302 Allison 1000 High Performance Rebuilt Valve Body Upgrade | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ/LMM

RevMax

RevMax A1000-302 Allison 1000 High Performance Rebuilt Valve Body Upgrade | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ/LMM

SKU: RMXA1000-302
Price
$899
SunCoast GMAX-CAT3-LBZ/LMM-KIT CAT 3 700HP Custom Allison Rebuild Kit with Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SunCoast GMAX-CAT3-LBZ/LMM-KIT CAT 3 700HP Custom Allison Rebuild Kit with Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SunCoast Performance

SunCoast GMAX-CAT3-LBZ/LMM-KIT CAT 3 700HP Custom Allison Rebuild Kit with Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SUNGMAX-CAT3-LBZ/LMM-KIT
Price
$7,270.15
SunCoast GMAX-CAT4-LBZ/LMM-KIT CAT 4 950+ HP Custom Allison Rebuild Kit with Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SunCoast GMAX-CAT4-LBZ/LMM-KIT CAT 4 950+ HP Custom Allison Rebuild Kit with Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SunCoast Performance

SunCoast GMAX-CAT4-LBZ/LMM-KIT CAT 4 950+ HP Custom Allison Rebuild Kit with Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SUNGMAX-CAT4-LBZ/LMM-KIT
Price
$8,143.15
SunCoast GMAX-CAT4-LBZ/LMM-KIT-LC CAT 4 950+ HP Custom Allison Rebuild Kit - No Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SunCoast GMAX-CAT4-LBZ/LMM-KIT-LC CAT 4 950+ HP Custom Allison Rebuild Kit - No Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SunCoast Performance

SunCoast GMAX-CAT4-LBZ/LMM-KIT-LC CAT 4 950+ HP Custom Allison Rebuild Kit - No Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SUNGMAX-CAT4-LBZ/LMM-KIT-LC
Price
$7,464.15
SunCoast GMAX-CAT2-LBZ/LMM-KIT CAT 2 600HP Custom Allison Rebuild Kit with Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SunCoast GMAX-CAT2-LBZ/LMM-KIT CAT 2 600HP Custom Allison Rebuild Kit with Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SunCoast Performance

SunCoast GMAX-CAT2-LBZ/LMM-KIT CAT 2 600HP Custom Allison Rebuild Kit with Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SUNGMAX-CAT2-LBZ/LMM-KIT
Price
$6,591.15
SunCoast GMAX-CAT0-LBZ/LMM-KIT-LC Category 0 Allison Refresh Kit with outut Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SunCoast GMAX-CAT0-LBZ/LMM-KIT-LC Category 0 Allison Refresh Kit with outut Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SunCoast Performance

SunCoast GMAX-CAT0-LBZ/LMM-KIT-LC Category 0 Allison Refresh Kit with outut Converter | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SUNGMAX-CAT0-LBZ/LMM-KIT-LC
Price
$1,547.15
ATS 303-904-4308 Allison Trim Valve Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ATS 303-904-4308 Allison Trim Valve Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ATS Diesel Performance

ATS 303-904-4308 Allison Trim Valve Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ATS303-904-4308
Price
$154.50

2007.5-2010 6.6L Silverado & Sierra 2500HD/3500HD

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