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

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ARP 130-0203 Upper Rocker Cover Bolt Kit | 2004.5-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LLY/LMM
ARP 130-0203 Upper Rocker Cover Bolt Kit | 2004.5-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LLY/LMM

ARP

ARP 130-0203 Upper Rocker Cover Bolt Kit | 2004.5-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LLY/LMM

SKU: ARP130-0203
Price
$56.22
Wehrli 100443 Black Anodized Billet Oil Fill Tube Cap | 2001-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100443 Black Anodized Billet Oil Fill Tube Cap | 2001-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100443 Black Anodized Billet Oil Fill Tube Cap | 2001-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100443
Price
$51.41
PPE 110090053 Straight Valve Springs, Retainers, and Keepers Kit | 2001-2016 GM Silverado 2500HD/3500HD6.6L Duramax
PPE 110090053 Straight Valve Springs, Retainers, and Keepers Kit | 2001-2016 GM Silverado 2500HD/3500HD6.6L Duramax

PPE

PPE 110090053 Straight Valve Springs, Retainers, and Keepers Kit | 2001-2016 GM Silverado 2500HD/3500HD6.6L Duramax

SKU: PPE110090053
Sale price
$539.99
Regular price
$599.99
Fleece FPE-HAR-MU-PT-11 Multiuse Sensor Pigtail 11 | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-HAR-MU-PT-11 Multiuse Sensor Pigtail 11 | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-HAR-MU-PT-11 Multiuse Sensor Pigtail 11 | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-HAR-MU-PT-11
Price
$18.99
Fleece FPE-HAR-DMAX-RP-0610 Rail Pressure Sensor Harness | 2006-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax
Fleece FPE-HAR-DMAX-RP-0610 Rail Pressure Sensor Harness | 2006-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-HAR-DMAX-RP-0610 Rail Pressure Sensor Harness | 2006-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-HAR-DMAX-RP-0610
Sale price
$79.99
Regular price
$83.99
BullyDog 40470 BDX Performance Programmer Tuner with Display | 2013-2025 Ford Powerstroke/2013-2021 RAM Cummins/2006–2010 GM Duramax
BullyDog 40470 BDX Performance Programmer Tuner with Display | 2013-2025 Ford Powerstroke/2013-2021 RAM Cummins/2006–2010 GM Duramax

Bully Dog

BullyDog 40470 BDX Performance Programmer Tuner with Display | 2013-2025 Ford Powerstroke/2013-2021 RAM Cummins/2006–2010 GM Duramax

SKU: BUL40470
Price
$399
PPE 118034350 Head Stud Kit - PPE-288 High Yield | 2001-2016 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax
PPE 118034350 Head Stud Kit - PPE-288 High Yield | 2001-2016 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax

PPE

PPE 118034350 Head Stud Kit - PPE-288 High Yield | 2001-2016 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax

SKU: PPE118034350
Sale price
$1,709.99
Regular price
$1,899.99
DFC Diesel TH6607510LMMSOALBHD Tow Haul HD Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM
DFC Diesel TH6607510LMMSOALBHD Tow Haul HD Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

DFC Diesel

DFC Diesel TH6607510LMMSOALBHD Tow Haul HD Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

SKU: DDUTH6607510LMMSOALBHD
Price
$28,254.69
DFC Diesel TH6607510LMMSOALB Tow Haul Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM
DFC Diesel TH6607510LMMSOALB Tow Haul Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

DFC Diesel

DFC Diesel TH6607510LMMSOALB Tow Haul Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

SKU: DDUTH6607510LMMSOALB
Price
$20,381.25
DFC Diesel SS6607510LMMTKSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK
DFC Diesel SS6607510LMMTKSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK

DFC Diesel

DFC Diesel SS6607510LMMTKSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK

SKU: DDUSS6607510LMMTKSOALBCC
Price
$16,369.15
DFC Diesel SS6607510LMMSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM
DFC Diesel SS6607510LMMSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

DFC Diesel

DFC Diesel SS6607510LMMSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

SKU: DDUSS6607510LMMSOALBCC
Price
$16,369.15
DFC Diesel SS6607510LMMTKSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK
DFC Diesel SS6607510LMMTKSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK

DFC Diesel

DFC Diesel SS6607510LMMTKSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK

SKU: DDUSS6607510LMMTKSOALB
Price
$14,290.19
DFC Diesel SS6607510LMMSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM
DFC Diesel SS6607510LMMSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

DFC Diesel

DFC Diesel SS6607510LMMSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

SKU: DDUSS6607510LMMSOALB
Price
$14,290.19
Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100131-GB
Price
From $367.63
Wagler C6686-2 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wagler C6686-2 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wagler Competition Products

Wagler C6686-2 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCPC6686-2
Price
$975
Wagler C6686-1 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wagler C6686-1 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wagler Competition Products

Wagler C6686-1 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCPC6686-1
Price
$975
Wagler C6618 Billet Rocker Bridges | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wagler C6618 Billet Rocker Bridges | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wagler Competition Products

Wagler C6618 Billet Rocker Bridges | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCPC6618
Price
$450
Mahle 54581/54584 Victor Reinz 1.00mm Thick Left and Right Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle 54581/54584 Victor Reinz 1.00mm Thick Left and Right Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Victor Reinz

Mahle 54581/54584 Victor Reinz 1.00mm Thick Left and Right Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCI54581/54584
Price
$148.96
PPE 119025200 Upper & Lower Coolant Hose Kit - Orange | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 119025200 Upper & Lower Coolant Hose Kit - Orange | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 119025200 Upper & Lower Coolant Hose Kit - Orange | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE119025200
Price
$269.99
PPE 119024200 Upper & Lower Coolant Hose Kit - Yellow | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 119024200 Upper & Lower Coolant Hose Kit - Yellow | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 119024200 Upper & Lower Coolant Hose Kit - Yellow | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE119024200
Price
$269.99
PPE 119021010 EGR to CAB Coolant Hose | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
PPE 119021010 EGR to CAB Coolant Hose | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

PPE

PPE 119021010 EGR to CAB Coolant Hose | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: PPE119021010
Price
$15.29
PPE 118030800 Connecting Rods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118030800 Connecting Rods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118030800 Connecting Rods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118030800
Price
$2,699.99
PPE 116454075 Coolant Overflow Tank | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
PPE 116454075 Coolant Overflow Tank | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

PPE

PPE 116454075 Coolant Overflow Tank | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: PPE116454075
Price
$269.99
PPE 114051100 Dry Sump 5 Stage Steel Gear Oil Pump | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 114051100 Dry Sump 5 Stage Steel Gear Oil Pump | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 114051100 Dry Sump 5 Stage Steel Gear Oil Pump | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE114051100
Price
$1,799.99

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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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