2007.5-2010 GM 2500HD/3500HD 6.6L LM Duramax Engine & Performance

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ARP 900-1150 4.115" Bore Ring Compressor | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ARP 900-1150 4.115" Bore Ring Compressor | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ARP

ARP 900-1150 4.115" Bore Ring Compressor | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ARP900-1150
Price
$97.13
ARP 900-0950 4.095" Bore Ring Compressor | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ARP 900-0950 4.095" Bore Ring Compressor | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ARP

ARP 900-0950 4.095" Bore Ring Compressor | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ARP900-0950
Price
$97.13
ARP 900-0400 4.040 Tapered Ring Compressor | 1989-2007 Dodge RAM 2500/3500 5.9L Cummins
ARP 900-0400 4.040 Tapered Ring Compressor | 1989-2007 Dodge RAM 2500/3500 5.9L Cummins

ARP

ARP 900-0400 4.040 Tapered Ring Compressor | 1989-2007 Dodge RAM 2500/3500 5.9L Cummins

SKU: ARP900-0400
Price
$97.13
ARP 400-7534 Hex Head Valve Cover Bolt Kit | 2004.5-2016 GM 2500HD/3500HD 6.6L Duramax
ARP 400-7534 Hex Head Valve Cover Bolt Kit | 2004.5-2016 GM 2500HD/3500HD 6.6L Duramax

ARP

ARP 400-7534 Hex Head Valve Cover Bolt Kit | 2004.5-2016 GM 2500HD/3500HD 6.6L Duramax

SKU: ARP400-7534
Price
$146.32
ARP 400-7532 Hex Head Valve Cover Bolt Kit | 2001-2004 GM 2500HD/3500HD 6.6L Duramax LB7
ARP 400-7532 Hex Head Valve Cover Bolt Kit | 2001-2004 GM 2500HD/3500HD 6.6L Duramax LB7

ARP

ARP 400-7532 Hex Head Valve Cover Bolt Kit | 2001-2004 GM 2500HD/3500HD 6.6L Duramax LB7

SKU: ARP400-7532
Price
$108.39
aFe 77-44001 Power Scorcher Tuning Module | 2001-2011 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
aFe 77-44001 Power Scorcher Tuning Module | 2001-2011 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

AFE Power

aFe 77-44001 Power Scorcher Tuning Module | 2001-2011 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: AFE77-44001
Price
$473.75
aFe 77-44002 Power Scorcher HD Tuning Module | 1999-2011 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
aFe 77-44002 Power Scorcher HD Tuning Module | 1999-2011 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

AFE Power

aFe 77-44002 Power Scorcher HD Tuning Module | 1999-2011 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: AFE77-44002
Price
$473.75
SCT 7416 X4 Power Flash Programmer | 1999-2016 GM Sierra/Silverado 2500HD/3500HD
SCT 7416 X4 Power Flash Programmer | 1999-2016 GM Sierra/Silverado 2500HD/3500HD

SCT Performance

SCT 7416 X4 Power Flash Programmer | 1999-2016 GM Sierra/Silverado 2500HD/3500HD

SKU: SCT7416
Price
$399
Wehrli 100415 Billet Upper Valve Cover Set | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100415 Billet Upper Valve Cover Set | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100415 Billet Upper Valve Cover Set | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100415-GB
Price
From $435.53
Wehrli 100622 Upper Coolant Pipe | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100622 Upper Coolant Pipe | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100622 Upper Coolant Pipe | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100622-GB
Price
From $144.53
Wehrli 100424 Top Outlet Billet Thermostat Housing & Upper Coolant Pipe Kit for Dual CP3 | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100424 Top Outlet Billet Thermostat Housing & Upper Coolant Pipe Kit for Dual CP3 | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100424 Top Outlet Billet Thermostat Housing & Upper Coolant Pipe Kit for Dual CP3 | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100424-GB
Price
From $474.33
PPE 119000510 Engine Coolant Thermostat Housing (Single Sensor) | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
PPE 119000510 Engine Coolant Thermostat Housing (Single Sensor) | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

PPE

PPE 119000510 Engine Coolant Thermostat Housing (Single Sensor) | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: PPE119000510
Price
$269.99
PPE 119000515 Engine Coolant Thermostat Housing | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
PPE 119000515 Engine Coolant Thermostat Housing | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

PPE

PPE 119000515 Engine Coolant Thermostat Housing | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: PPE119000515
Price
$269.99
PPE 118021400 Valve Cover Kit - No Pillars | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118021400 Valve Cover Kit - No Pillars | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118021400 Valve Cover Kit - No Pillars | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118021400
Price
$269.99
PPE 118021423 Valve Cover Kit with out Pillars - Gold | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118021423 Valve Cover Kit with out Pillars - Gold | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118021423 Valve Cover Kit with out Pillars - Gold | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118021423
Price
$287.99
PPE 118021412 Valve Cover Kit with out Pillars - Red | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118021412 Valve Cover Kit with out Pillars - Red | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118021412 Valve Cover Kit with out Pillars - Red | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118021412
Price
$287.99
PPE 118021222 Valve Cover Kit with Pillars - Blue | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118021222 Valve Cover Kit with Pillars - Blue | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118021222 Valve Cover Kit with Pillars - Blue | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118021222
Price
$305.99
PPE 118021220 Valve Cover Kit with Pillars - Black | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118021220 Valve Cover Kit with Pillars - Black | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118021220 Valve Cover Kit with Pillars - Black | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118021220
Price
$305.99
PPE 118021212 Valve Cover Kit with Pillars - Red | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118021212 Valve Cover Kit with Pillars - Red | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118021212 Valve Cover Kit with Pillars - Red | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118021212
Price
$305.99
Gator Fasteners RBK66 Heavy Duty Rod Bolt Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Gator Fasteners RBK66 Heavy Duty Rod Bolt Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Gator Fasteners

Gator Fasteners RBK66 Heavy Duty Rod Bolt Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: GTFRBK66
Sale price
$209.99
Regular price
$263
Cometic C5883-045 MLS Cylinder Head Gasket - .045" inch Bore 4.100" inch LHS | 2007-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Cometic C5883-045 MLS Cylinder Head Gasket - .045" inch Bore 4.100" inch LHS | 2007-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Cometic

Cometic C5883-045 MLS Cylinder Head Gasket - .045" inch Bore 4.100" inch LHS | 2007-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: COMC5883-045
Sale price
$147.30
Regular price
$163.65
Fleece FPE-HAR-DMAX-OP-0310 Oil Pressure Sensor Pigtail | 2003-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-HAR-DMAX-OP-0310 Oil Pressure Sensor Pigtail | 2003-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-HAR-DMAX-OP-0310 Oil Pressure Sensor Pigtail | 2003-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-HAR-DMAX-OP-0310
Price
$21.99
Gator Fasteners MSK66ZM Heavy Duty Main Stud Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Gator Fasteners MSK66ZM Heavy Duty Main Stud Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Gator Fasteners

Gator Fasteners MSK66ZM Heavy Duty Main Stud Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: GTFMSK66ZM
Price
$279.99
Tuner DT8140010101000 Switch on the Fly Tune with EFI Live Spade 50 State CARB Legal | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010101000 Switch on the Fly Tune with EFI Live Spade 50 State CARB Legal | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010101000 Switch on the Fly Tune with EFI Live Spade 50 State CARB Legal | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010101000
Price
$1,140

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DIESEL TRUCK EXPERTS STANDING BY

The GM 2500/3500's equipped with a 6.6L Duramax LMM under the hood already come with tons of horsepower and torque off the factory line, but additional power and performance has never hurt any truck. Here at Alligator Performance, we offer a ton of engine parts and upgrades that are designed specifically to give your 6.6L Duramax engine improved throttle response, power and performance, taking your GM 2500/3500 truck to the next level in every situation. Check out our selection of cold air intakes, tuners, fuel upgrades, and turbo upgrades to help you get the most out of your diesel engine. Many of these upgrades like the cold air intakes and fuel upgrades even help promote component longevity so you can enjoy long-lasting and consistent performance without compromise. After you've added a few engine upgrades to your custom build, be sure to check out our premium 2007.5-2010 GM 6.6L Duramax LMM Transmission Upgrades to compliment the increase in power you're throwing down! 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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