2011-2016 GM 2500HD/3500HD 6.6L LM Duramax Engine & Performance

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PPE 114052120 High-Capacity Black Aluminum Deep Engine Oil Pan | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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PPE 114052120 High-Capacity Black Aluminum Deep Engine Oil Pan | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L
PPE 114052120 High-Capacity Black Aluminum Deep Engine Oil Pan | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L

PPE 114052120 High-Capacity Black Aluminum Deep Engine Oil Pan | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$305.99
Fleece FPE-LML-RES Resonator Delete Plate | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Fleece FPE-LML-RES Resonator Delete Plate | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Fleece FPE-LML-RES Resonator Delete Plate | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$39.99
Edge 98653 EAS Shift On The Fly Accessory | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Edge 98653 EAS Shift On The Fly Accessory | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Edge 98653 EAS Shift On The Fly Accessory | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$241.95
Wagler C6664 Push Rods | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Wagler C6664 Push Rods | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Wagler C6664 Push Rods | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$400
Merchant 12644591 Engine Oil Pump | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Merchant 12644591 Engine Oil Pump | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Merchant 12644591 Engine Oil Pump | 2011-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$247.23
Merchant 9G Glow Plug | 2006-2015 Silverado/Sierra 2500HD/3500HD 6.6L
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Merchant 9G Glow Plug | 2006-2015 Silverado/Sierra 2500HD/3500HD 6.6L

Merchant 9G Glow Plug | 2006-2015 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$29.72
Mahle SH-1999S SH-1999S Cam Shaft Bearing Set | 2001-2013 Silverado/Sierra 2500HD/3500HD 6.6L
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Mahle SH-1999S SH-1999S Cam Shaft Bearing Set | 2001-2013 Silverado/Sierra 2500HD/3500HD 6.6L

Mahle SH-1999S SH-1999S Cam Shaft Bearing Set | 2001-2013 Silverado/Sierra 2500HD/3500HD 6.6L

Sale price
$80
Regular price
$245.57
HP Tuners M03-000-04 MPVI3 OBII Scanning and Calibration Tool w/ 4 Universal Credits | Semi-Universal
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HP Tuners M03-000-04 MPVI3 OBII Scanning and Calibration Tool w/ 4 Universal Credits | Semi-Universal
HP Tuners M03-000-04 MPVI3 OBII Scanning and Calibration Tool w/ 4 Universal Credits | Semi-Universal

HP Tuners M03-000-04 MPVI3 OBII Scanning and Calibration Tool w/ 4 Universal Credits | Semi-Universal

Price
$589.95
HP Tuners UC-0000 MPVI3 Single Credit | Universal
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HP Tuners UC-0000 MPVI3 Single Credit | Universal

HP Tuners UC-0000 MPVI3 Single Credit | Universal

Price
$47.49
Edge 85300 Evolution CS2 | GM/Ford/Dodge Applications
5.0
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Edge 85300 Evolution CS2 | GM/Ford/Dodge Applications
Edge 85300 Evolution CS2 | GM/Ford/Dodge Applications

Edge 85300 Evolution CS2 | GM/Ford/Dodge Applications

Price
$499.95
ARP 230-4202 Custom Age 625+ Head Stud Kit | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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ARP 230-4202 Custom Age 625+ Head Stud Kit | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

ARP 230-4202 Custom Age 625+ Head Stud Kit | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Sale price
$1,727.31
Regular price
$3,294.60
ARP100-7533 8MM 12pt Valve Cover Bolt Kit | 2004.5-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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ARP100-7533 8MM 12pt Valve Cover Bolt Kit | 2004.5-2016 Silverado/Sierra 2500HD/3500HD 6.6L

ARP100-7533 8MM 12pt Valve Cover Bolt Kit | 2004.5-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$116.51
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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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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.