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

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Edge 85400-200 CTS3 Diesel Evolution Programmer 50 States Legal | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Edge 85400-200 CTS3 Diesel Evolution Programmer 50 States Legal | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
Edge 85400-200 CTS3 Diesel Evolution Programmer 50 States Legal | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Edge 85400-200 CTS3 Diesel Evolution Programmer 50 States Legal | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$689.95
Wehrli 100155 Billet Coolant Heater Core Firewall Fitting | 1999-2023 Silverado/Sierra 2500HD/3500HD 6.6L
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Wehrli 100155 Billet Coolant Heater Core Firewall Fitting | 1999-2023 Silverado/Sierra 2500HD/3500HD 6.6L
Wehrli 100155 Billet Coolant Heater Core Firewall Fitting | 1999-2023 Silverado/Sierra 2500HD/3500HD 6.6L

Wehrli 100155 Billet Coolant Heater Core Firewall Fitting | 1999-2023 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$39.77
Merchant 10543 Water Pump Kit | 2006-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Merchant 10543 Water Pump Kit | 2006-2016 Silverado/Sierra 2500HD/3500HD 6.6L
Merchant 10543 Water Pump Kit | 2006-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Merchant 10543 Water Pump Kit | 2006-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$249.33
Merchant 10479 Exhaust Manifold to Cylinder Head Bolt Kit | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Merchant 10479 Exhaust Manifold to Cylinder Head Bolt Kit | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Merchant 10479 Exhaust Manifold to Cylinder Head Bolt Kit | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$79.72
PPE 114000555 MicroPure Extreme Performance Engine Oil Filter | 2001-2019 Silverado/Sierra 2500HD/3500HD 6.6L
5.0
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PPE 114000555 MicroPure Extreme Performance Engine Oil Filter | 2001-2019 Silverado/Sierra 2500HD/3500HD 6.6L
PPE 114000555 MicroPure Extreme Performance Engine Oil Filter | 2001-2019 Silverado/Sierra 2500HD/3500HD 6.6L

PPE 114000555 MicroPure Extreme Performance Engine Oil Filter | 2001-2019 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$35.99
EFI Live FS3-GM-DC Flashscan V3 | And Dodge Tuning
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EFI Live FS3-GM-DC Flashscan V3 | And Dodge Tuning

EFI Live FS3-GM-DC Flashscan V3 | And Dodge Tuning

Price
$1,425
Mahle 54582 Right Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Mahle 54582 Right Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Mahle 54582 Right Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Sale price
$86.34
Regular price
$184.19
EFI Live FS3-GM Flashscan V3 | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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EFI Live FS3-GM Flashscan V3 | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

EFI Live FS3-GM Flashscan V3 | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$1,025
Mahle 54585 Left Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Mahle 54585 Left Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Mahle 54585 Left Side Cylinder Head Gasket (Grade C 1.05mm) | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Sale price
$99.23
Regular price
$190.89
Edge 85401-201 Evolution CTS3 50 State Legal Programmer | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Edge 85401-201 Evolution CTS3 50 State Legal Programmer | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
Edge 85401-201 Evolution CTS3 50 State Legal Programmer | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Edge 85401-201 Evolution CTS3 50 State Legal Programmer | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$689.95
ARP 400-7533 12pt Valve Cover Bolt Kit | 2004-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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ARP 400-7533 12pt Valve Cover Bolt Kit | 2004-2016 Silverado/Sierra 2500HD/3500HD 6.6L

ARP 400-7533 12pt Valve Cover Bolt Kit | 2004-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$164.12
PPE 114028000 Tubing Kit for PPE Crankcase Breather Kit | 2004-2010 Silverado/Sierra 2500HD/3500HD 6.6L
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PPE 114028000 Tubing Kit for PPE Crankcase Breather Kit | 2004-2010 Silverado/Sierra 2500HD/3500HD 6.6L

PPE 114028000 Tubing Kit for PPE Crankcase Breather Kit | 2004-2010 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$35.99
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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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Welcome to The Garage – your one-stop shop for all your car care and maintenance needs. From premium oils and filters to top-notch car care products, we have everything you need to keep your vehicle running smoothly and looking its best. Whether you're a DIY enthusiast or a professional mechanic, our carefully curated selection of high-quality products will help you take care of your ride like never before.