2011-2016 GM 2500HD/3500HD 6.6L LM Duramax Engine & Performance
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Wagler C6641 Billet Main Caps | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
- Price
- $750
PPE 119020300 Upper & Lower Coolant Hose Kit | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L
- Price
- $269.99
Merchant 97188896 Lower Valve Cover Gasket | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L
- Price
- $56.72
ARP 100-9911 Ultra-Torque Fastener Assembly Lubricant (20 oz) | Universal
- Sale price
- $27.26
- Regular price
- $52.01
Wehrli 100442 Billet Oil Fill Tube Cap Clear Anodized | 2001-2024 Silverado/Sierra 2500HD/3500HD 6.6L
- Price
- $49.47
Wagler CRC6.6ST Street Fighter Connecting Rods | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
- Price
- $1,950
Superchips 2845 F5 FlashPaq 50 State Legal Programmer | 1999-2020 Applications
- Price
- $399.95
PPE 119100100 Fan Clutch Delete Nut | 2001-2022 Silverado/Sierra 2500HD/3500HD 6.6L
- Price
- $44.99
PPE 114000559 Engine Oil Filter Socket | 2001-2019 Silverado/Sierra 2500HD/3500HD 6.6L
- Price
- $35.99
Mishimoto MMOC-F HD Transmission Cooler w/ Fan | Universal
- Price
- $177.95
Merchant 98045060 Grade C Left Side Head Gasket | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
- Price
- $99.72
Merchant 10233 ARP Rocker Shaft Bolt Kit | 2001-2012 Silverado/Sierra 2500HD/3500HD 6.6L
- Price
- $24.72
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The 2011-2016 GM 6.6L Duramax LML's already comes equipped 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 circumstance. 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 help promote component longevity so you can enjoy a 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 2011-2016 GM 6.6L Duramax LML Transmission Upgrades to compliment the increase in power you're throwing down! GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 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>2011-2016 6.6L LML
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