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

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Crate Engines

Crate Engines

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Gaskets, Gasket Kits & Bearings

Gaskets

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Glow Plugs

Glow Plugs

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Head Studs & Main Studs

Head Studs & Main Studs

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Heads & Valve Train

Heads & Valve Train

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Motor Mounts

Motor Mounts

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Oil Pans

Oil Pans

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Radiators & Cooling Upgrades

Radiators & Cooling Upgrades

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

Rebuild Kits & Internal Parts

2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Rods, Pistons, Cams & More

Rods/Pistons/Cams & More

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Tuner DT8140010107000 Optimized Stock Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010107000 Optimized Stock Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010107000 Optimized Stock Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010107000
$808
Tuner DT8140010106000 Heavy Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010106000 Heavy Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010106000 Heavy Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010106000
$808
Tuner DT8140010105000 Light Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010105000 Light Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010105000 Light Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010105000
$808
Tuner DT8140010104000 Street Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010104000 Street Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010104000 Street Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010104000
$808
Tuner DT8140010103000 Sport Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010103000 Sport Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010103000 Sport Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010103000
$808
Tuner DT1140010107009 Optimized Stock Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010107009 Optimized Stock Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010107009 Optimized Stock Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010107009
$808
Tuner DT1140010106009 Heavy Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010106009 Heavy Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010106009 Heavy Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010106009
$808
Tuner DT1140010105009 Light Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010105009 Light Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010105009 Light Tow Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010105009
$808
Tuner DT1140010104009 Street Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010104009 Street Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010104009 Street Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010104009
$808
Tuner DT1140010103009 Sport Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010103009 Sport Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010103009 Sport Tune incl EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010103009
$808
Tuner DT8140010001000 Switch on the Fly Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010001000 Switch on the Fly Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010001000 Switch on the Fly Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010001000
$550
Tuner DT1140010001009 Switch on the Fly Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010001009 Switch on the Fly Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010001009 Switch on the Fly Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010001009
$550
Tuner DT8140010007000 Optimized Stock Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010007000 Optimized Stock Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010007000 Optimized Stock Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010007000
$300
Tuner DT8140010006000 Heavy Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010006000 Heavy Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010006000 Heavy Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010006000
$300
Tuner DT8140010005000 Light Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010005000 Light Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010005000 Light Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010005000
$300
Tuner DT8140010004000 Street Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010004000 Street Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010004000 Street Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010004000
$300
Tuner DT8140010003000 Sport Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT8140010003000 Sport Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT8140010003000 Sport Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT8140010003000
$300
Tuner DT1140010008000 Transmission Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010008000 Transmission Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010008000 Transmission Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010008000
$300
Tuner DT1140010007009 Optimized Stock Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010007009 Optimized Stock Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010007009 Optimized Stock Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010007009
$300
Tuner DT1140010006009 Heavy Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010006009 Heavy Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010006009 Heavy Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010006009
$300
Tuner DT1140010005009 Light Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010005009 Light Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010005009 Light Tow Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010005009
$300
Tuner DT1140010004009 Street Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010004009 Street Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010004009 Street Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010004009
$300
Tuner DT1140010003009 Sport Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Tuner DT1140010003009 Sport Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

Tuner DT1140010003009 Sport Tune Only for EFI Live Spade | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010003009
$300
Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Wehrli Custom Fab

Wehrli 100646 Coolant Tank Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: WCF100646-GB
From $474.33

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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
Tuners & Monitors
Cooling Upgrades
Head Studs & Main Studs
Rods, Pistons & Cams
Heads & Valve Train

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