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

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Edge 84130-3 Products Insight CTS3 5 Touch Screen Digital Gauge Monitor | Universal
5.0
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Edge 84130-3 Products Insight CTS3 5 Touch Screen Digital Gauge Monitor | Universal
Edge 84130-3 Products Insight CTS3 5 Touch Screen Digital Gauge Monitor | Universal

Edge 84130-3 Products Insight CTS3 5 Touch Screen Digital Gauge Monitor | Universal

Price
$474.95
ARP 100-9910 Ultra-Torque Fastener Assembly Lube (10 oz) | Universal
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ARP 100-9910 Ultra-Torque Fastener Assembly Lube (10 oz) | Universal

ARP 100-9910 Ultra-Torque Fastener Assembly Lube (10 oz) | Universal

Sale price
$18.13
Regular price
$34.58
ARP 230-4201 Head Stud Kit | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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ARP 230-4201 Head Stud Kit | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

ARP 230-4201 Head Stud Kit | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Sale price
$640.29
Regular price
$1,221.26
Edge 98620 EAS Starter Kit w/EGT Cable | Semi-Universal
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Edge 98620 EAS Starter Kit w/EGT Cable | Semi-Universal

Edge 98620 EAS Starter Kit w/EGT Cable | Semi-Universal

Price
$164.95
Mahle HS54580A Upper Gasket Kit | 2004.5-2010 Silverado/Sierra 2500HD/3500HD 6.6L
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Mahle HS54580A Upper Gasket Kit | 2004.5-2010 Silverado/Sierra 2500HD/3500HD 6.6L

Mahle HS54580A Upper Gasket Kit | 2004.5-2010 Silverado/Sierra 2500HD/3500HD 6.6L

Sale price
$272.60
Regular price
$611.94
PPE 114020000 PCV Crankcase Breather Repair Fitting Set | 2004.5-2010 Silverado/Sierra 2500HD/3500HD 6.6L
5.0
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PPE 114020000 PCV Crankcase Breather Repair Fitting Set | 2004.5-2010 Silverado/Sierra 2500HD/3500HD 6.6L

PPE 114020000 PCV Crankcase Breather Repair Fitting Set | 2004.5-2010 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$26.99
Mishimoto MMTS-CHV-01DL Low-Temperature Thermostats | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L
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Mishimoto MMTS-CHV-01DL Low-Temperature Thermostats | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Mishimoto MMTS-CHV-01DL Low-Temperature Thermostats | 2001-2016 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$90.95
EFI Live ACV3 Live Blank AC3 AutoCal Device | Universal
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EFI Live ACV3 Live Blank AC3 AutoCal Device | Universal

EFI Live ACV3 Live Blank AC3 AutoCal Device | Universal

Price
$595
HP Tuners M03-000-02 MPVI3 OBII Scanning and Calibration Tool w/ 2 Universal Credits | Semi-Universal
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HP Tuners M03-000-02 MPVI3 OBII Scanning and Calibration Tool w/ 2 Universal Credits | Semi-Universal
HP Tuners M03-000-02 MPVI3 OBII Scanning and Calibration Tool w/ 2 Universal Credits | Semi-Universal

HP Tuners M03-000-02 MPVI3 OBII Scanning and Calibration Tool w/ 2 Universal Credits | Semi-Universal

Sale price
$494.97
Regular price
$499.97
SoCal Diesel DSP5LBZLMM DSP5 Switch | 2006-2010 Silverado/Sierra 2500HD/3500HD 6.6L
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SoCal Diesel DSP5LBZLMM DSP5 Switch | 2006-2010 Silverado/Sierra 2500HD/3500HD 6.6L
SoCal Diesel DSP5LBZLMM DSP5 Switch | 2006-2010 Silverado/Sierra 2500HD/3500HD 6.6L

SoCal Diesel DSP5LBZLMM DSP5 Switch | 2006-2010 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$55
HP Tuners M03-000-00 MPVI3 OBII Scanning and Calibration Tool | Semi-Universal
5.0
Quick shop
HP Tuners M03-000-00 MPVI3 OBII Scanning and Calibration Tool | Semi-Universal
HP Tuners M03-000-00 MPVI3 OBII Scanning and Calibration Tool | Semi-Universal

HP Tuners M03-000-00 MPVI3 OBII Scanning and Calibration Tool | Semi-Universal

Price
$399.99
Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2017 Silverado/Sierra 2500HD/3500HD 6.6L
5.0
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Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2017 Silverado/Sierra 2500HD/3500HD 6.6L
Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2017 Silverado/Sierra 2500HD/3500HD 6.6L

Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2017 Silverado/Sierra 2500HD/3500HD 6.6L

Price
$55
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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.