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

Availability
Manufacturer
Make
Model
Year
Price
$0
$28,254.69
Rating
Loading products...
Filter
266 products
Sort by:
Best selling
Availability
Manufacturer
Make
Model
Year
Price
$0
$28,254.69
Rating
Fleece FPE-BRAB-D1 32V Rocker Bridges | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-BRAB-D1 32V Rocker Bridges | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-BRAB-D1 32V Rocker Bridges | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-BRAB-D1
$512.54
Edge 98616 EAS Control Kit | Universal
Edge 98616 EAS Control Kit | Universal
Edge 98616 EAS Control Kit | Universal

Edge Products

Edge 98616 EAS Control Kit | Universal

SKU: EDG98616
$423.95
Edge 98602 EAS Starter Cable for CS2/CTS2/CTS3 | Universal
Edge 98602 EAS Starter Cable for CS2/CTS2/CTS3 | Universal
Edge 98602 EAS Starter Cable for CS2/CTS2/CTS3 | Universal

Edge Products

Edge 98602 EAS Starter Cable for CS2/CTS2/CTS3 | Universal

SKU: EDG98602
$74.89
Edge 98005 CTS2 Pod Adapter | Universal
Edge 98005 CTS2 Pod Adapter | Universal
Edge 98005 CTS2 Pod Adapter | Universal

Edge Products

Edge 98005 CTS2 Pod Adapter | Universal

SKU: EDG98005
$29.60
Mahle CB-1805P P-Series Rod Bearing | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle CB-1805P P-Series Rod Bearing | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle CB-1805P P-Series Rod Bearing | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCICB-1805P
$20
$20.60
Mahle CB-1805H Standard Rod Bearing Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle CB-1805H Standard Rod Bearing Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle CB-1805H Standard Rod Bearing Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCICB-1805H
$35.52
$44.30
Cometic C15043 17-Bolt Fiber Oil Pan Gasket Lower - .060 inch | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Cometic C15043 17-Bolt Fiber Oil Pan Gasket Lower - .060 inch | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Cometic

Cometic C15043 17-Bolt Fiber Oil Pan Gasket Lower - .060 inch | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: COMC15043
$19.03
ARP 900-0550 4.005 Bore Ring Compressor | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ARP 900-0550 4.005 Bore Ring Compressor | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ARP

ARP 900-0550 4.005 Bore Ring Compressor | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ARP900-0550
$97.13
Edge 98607 0-100 PSIG EAS Pressure Sensor | Universal
Edge 98607 0-100 PSIG EAS Pressure Sensor | Universal

Edge Products

Edge 98607 0-100 PSIG EAS Pressure Sensor | Universal

SKU: EDG98607
$212.95
Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Industrial Injection

Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: IIS44B801
$873.92
BD Diesel 1036627 High Idle Kit | 2008-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BD Diesel 1036627 High Idle Kit | 2008-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

BD Diesel

BD Diesel 1036627 High Idle Kit | 2008-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: BDD1036627
$335.95
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-61-10003-P
$1,099
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-61-10003-D
$1,099
Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100420-GB
From $474.33
PPE 113061094 Idler Pulley 3 inch OD OEM Size | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 113061094 Idler Pulley 3 inch OD OEM Size | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 113061094 Idler Pulley 3 inch OD OEM Size | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE113061094
$35.99
PPE 118021418 Valve Cover Kit with out Pillars | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118021418 Valve Cover Kit with out Pillars | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118021418 Valve Cover Kit with out Pillars | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118021418
$287.99
PPE 118021230 Valve Cover Kit with Pillars - Polished | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118021230 Valve Cover Kit with Pillars - Polished | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118021230 Valve Cover Kit with Pillars - Polished | 2005-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118021230
$305.99
PPE 1110200 Standard Xcelerator | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 1110200 Standard Xcelerator | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 1110200 Standard Xcelerator | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 1110200 Standard Xcelerator | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE1110200
$449.99
uner DT1140010101009 Switch on the Fly Tune incl EFI Live Spade 49 State Legal | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
uner DT1140010101009 Switch on the Fly Tune incl EFI Live Spade 49 State Legal | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Duramax Tuner

uner DT1140010101009 Switch on the Fly Tune incl EFI Live Spade 49 State Legal | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: DMTDT1140010101009
$1,140
Mahle 54597 1.05mm Thick Wave Stopper Head Gasket (Left) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle 54597 1.05mm Thick Wave Stopper Head Gasket (Left) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle 54597 1.05mm Thick Wave Stopper Head Gasket (Left) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCI54597
$183.51
PPE 110100113 CNC Ported Cast Iron Cylinder Head | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 110100113 CNC Ported Cast Iron Cylinder Head | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 110100113 CNC Ported Cast Iron Cylinder Head | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 110100113 CNC Ported Cast Iron Cylinder Head | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 110100113 CNC Ported Cast Iron Cylinder Head | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 110100113 CNC Ported Cast Iron Cylinder Head | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 110100113 CNC Ported Cast Iron Cylinder Head | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE110100113
$1,709.99
$1,899.99
ARP 130-1801 12pt Oil Pan Bolt Kit | 2001-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LB7/LMM
ARP 130-1801 12pt Oil Pan Bolt Kit | 2001-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LB7/LMM

ARP

ARP 130-1801 12pt Oil Pan Bolt Kit | 2001-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LB7/LMM

SKU: ARP130-1801
$46.82
ARP 430-0203 SS 12pt Upper Rocker Cover Bolt Kit | 2004.5-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LLY/LMM
ARP 430-0203 SS 12pt Upper Rocker Cover Bolt Kit | 2004.5-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LLY/LMM

ARP

ARP 430-0203 SS 12pt Upper Rocker Cover Bolt Kit | 2004.5-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LLY/LMM

SKU: ARP430-0203
$79.06
ARP 430-0202 SS 12pt Lower Rocker Cover Bolt Kit | 2004.5-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LLY/LMM
ARP 430-0202 SS 12pt Lower Rocker Cover Bolt Kit | 2004.5-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LLY/LMM

ARP

ARP 430-0202 SS 12pt Lower Rocker Cover Bolt Kit | 2004.5-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LLY/LMM

SKU: ARP430-0202
$100.25

FREE SHIPPING ON ALL
ORDERS OVER $70

PRICE MATCH GUARANTEE

BUILD NOW, PAY LATER
FINANCING OPTIONS

30-DAY RETURN SATISFACTION GUARANTEE

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

Can We Help You Find Something?

Give us a call: +1-208-719-7400

Chat With Us