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      2007.5-2010 Duramax LMM
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      2013-2018 6.7L Cummins
      Engine Upgrades
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      2010-2012 6.7L Cummins
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      2007.5-2009 6.7L Cummins
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      2003-2004 5.9L Cummins
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      1998.5-2002 5.9L Cummins
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  1. Home
  2. GM Duramax
  3. 2007.5-2010 GM Duramax 6.6L LMM
  4. Engine & Performance

2007.5-2010 GM Duramax 6.6L LMM Engine Upgrades

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
  • Cold Air Intakes Cold Air Intakes
  • Tuners Tuners
  • Cooling Upgrades Cooling Upgrades

Products [46]

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Item In Cart 01-16 GM 2500/3500HD 6.6L Duramax PPE Billet Aluminum Engine Oil Filler Cap
01-16 GM 2500/3500HD 6.6L Duramax PPE Billet Aluminum Engine Oil Filler Cap
In Stock. Ships in 1 Business Day!
$53.99
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Item In Cart 01-22 GM 2500/3500HD PPE 114003005 Viton O-Ring for Oil Fill Cap
01-22 GM 2500/3500HD PPE 114003005 Viton O-Ring for Oil Fill Cap
In Stock. Ships in 1 Business Day!
$5.39
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Item In Cart 01-10 GM 2500/3500HD 6.6L Duramax PPE 114052020 Black Deep Engine Oil Pan
01-10 GM 2500/3500HD 6.6L Duramax PPE 114052020 Black Deep Engine Oil Pan
In Stock. Ships in 1 Business Day!
$279.99
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Item In Cart 01-16 GM 2500/3500HD PPE 14mm Billet Hardened Stainless Steel Magnetic Drain Plug for OEM & PPE Engine Oil Pans
01-16 GM 2500/3500HD PPE 14mm Billet Hardened Stainless Steel Magnetic Drain Plug for OEM & PPE Engine Oil Pans
In Stock. Ships in 1 Business Day!
$17.99
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Item In Cart PPE 115900200 Silicone Hose | 01-10 GM 6.6L Duramax 2500HD / 3500HD
PPE 115900200 Silicone Hose | 01-10 GM 6.6L Duramax 2500HD / 3500HD
In Stock. Ships in 1 Business Day!
$53.99
View Details
Item In Cart 01-16 GM 2500/3500HD 6.6L Duramax PPE Air Bleeder Screw - Yellow Finish
01-16 GM 2500/3500HD 6.6L Duramax PPE Air Bleeder Screw - Yellow Finish
In Stock. Ships in 1 Business Day!
$13.49
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Item In Cart 01-11 GM 2500/3500HD 6.6L Duramax PPE Water Level Sensor (WIF) Wrench
01-11 GM 2500/3500HD 6.6L Duramax PPE Water Level Sensor (WIF) Wrench
In Stock. Ships in 1 Business Day!
$22.49
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Item In Cart 01-16 GM 2500/3500HD 6.6L Duramax PPE Air Bleeder Screw - Black Finish
01-16 GM 2500/3500HD 6.6L Duramax PPE Air Bleeder Screw - Black Finish
In Stock. Ships in 1 Business Day!
$13.49
View Details
Item In Cart 01-10 GM 2500/3500HD 6.6L Duramax SDP 1041 Hot Side Intercooler Pipe
01-10 GM 2500/3500HD 6.6L Duramax SDP 1041 Hot Side Intercooler Pipe
- Call 208-719-7400 for Availablity
$299.00
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Item In Cart 07.5-10 GM 6.6L Duramax 2500HD / 3500HD  LMM Exergy Sportsman CP3 Pump
07.5-10 GM 6.6L Duramax 2500HD / 3500HD LMM Exergy Sportsman CP3 Pump
- Ships in 3-5 Business Days
$1,170.00
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Item In Cart 01-10 GM 6.6L Duramax 2500HD / 3500HD  AirDog Fuel Lift Pump (100GPH)
01-10 GM 6.6L Duramax 2500HD / 3500HD AirDog Fuel Lift Pump (100GPH)
In Stock. Ships in 1 Business Day!
$645.00
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Item In Cart 08-22 Ford/Dodge/GM Trucks Transfer Flow 40 Gallon In-Bed Auxiliary Fuel Tank System Trax 4
08-22 Ford/Dodge/GM Trucks Transfer Flow 40 Gallon In-Bed Auxiliary Fuel Tank System Trax 4
- Call 208-719-7400 for Availablity
$1,898.29
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Item In Cart 08-22 Ford/Dodge/GM Trucks Transfer Flow 50 Gallon In-Bed Auxiliary Fuel Tank System Trax 4
08-22 Ford/Dodge/GM Trucks Transfer Flow 50 Gallon In-Bed Auxiliary Fuel Tank System Trax 4
- Call 208-719-7400 for Availablity
$1,753.41
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Item In Cart 08-22 Ford/Dodge/GM Trucks Transfer Flow 0800116758 100 Gallon In-Bed Auxiliary Fuel Tank Trax 4
08-22 Ford/Dodge/GM Trucks Transfer Flow 0800116758 100 Gallon In-Bed Auxiliary Fuel Tank Trax 4
- Call 208-719-7400 for Availablity
$2,229.95
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Item In Cart Transfer Flow 0800116206 40 Gallon Refueling Tank System
Transfer Flow 0800116206 40 Gallon Refueling Tank System
- Call 208-719-7400 for Availablity
$1,790.87
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Item In Cart Transfer Flow 50 Gallon Refueling Tank System 0800109417 | Universal Trucks
Transfer Flow 50 Gallon Refueling Tank System 0800109417 | Universal Trucks
- Call 208-719-7400 for Availablity
$1,687.64
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Item In Cart Transfer Flow 0800109420 82 Gallon Refueling Tank System | Universal Trucks
Transfer Flow 0800109420 82 Gallon Refueling Tank System | Universal Trucks
- Call 208-719-7400 for Availablity
$1,914.06
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Item In Cart Wehrli 100442 Billet Oil Fill Tube Cap | 01-22 GM GM 6.6L Duramax 2500HD / 3500HD  LB7/LLY/LBZ/LMM/LML/L5P Clear Anodized
Wehrli 100442 Billet Oil Fill Tube Cap | 01-22 GM GM 6.6L Duramax 2500HD / 3500HD LB7/LLY/LBZ/LMM/LML/L5P Clear Anodized
- In Stock. Ships in 3-5 business days.
$49.47
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Item In Cart Wehrli 100622 Upper Coolant Pipe | 06-10 GM 6.6L Duramax 2500HD / 3500HD  LBZ/LMM
Wehrli 100622 Upper Coolant Pipe | 06-10 GM 6.6L Duramax 2500HD / 3500HD LBZ/LMM
- Ships in 25-30 Business Day Lead Time.
$130.95
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Item In Cart Wehrli 100646 Coolant Tank Kit | 07.5-10 GM 6.6L Duramax 2500HD / 3500HD  LMM
Wehrli 100646 Coolant Tank Kit | 07.5-10 GM 6.6L Duramax 2500HD / 3500HD LMM
- Ships in 25-30 Business Day Lead Time.
$435.53
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Item In Cart 07.5-10 GM 6.6L Duramax 2500HD / 3500HD  LMM Switch on the Fly Tune incl EFI Live Spade 49 State Legal
07.5-10 GM 6.6L Duramax 2500HD / 3500HD LMM Switch on the Fly Tune incl EFI Live Spade 49 State Legal
- Ships in 3-5 Business Days
$1,098.00
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Item In Cart 07.5-10 GM 6.6L Duramax 2500HD / 3500HD  LMM Switch on the Fly Tune with EFI Live Spade 50 State CARB Legal
07.5-10 GM 6.6L Duramax 2500HD / 3500HD LMM Switch on the Fly Tune with EFI Live Spade 50 State CARB Legal
- Ships in 3-5 Business Days
$1,098.00
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Item In Cart 04-10 GM 6.6L Duramax 2500HD / 3500HD 62 Gallon Replacement Fuel Tank - Crew Cab/Short Bed
04-10 GM 6.6L Duramax 2500HD / 3500HD 62 Gallon Replacement Fuel Tank - Crew Cab/Short Bed
In Stock. Ships in 1 Business Day!
$1,349.00
View Details
Item In Cart 06-10 GM 6.6L Duramax 2500HD / 3500HD  LBZ/LMM Passenger Side Intercooler Outlet Elbow Kit WCF100466
06-10 GM 6.6L Duramax 2500HD / 3500HD LBZ/LMM Passenger Side Intercooler Outlet Elbow Kit WCF100466
- Ships in 25-30 Business Day Lead Time.
$212.43
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Item In Cart 04.5-10 GM 2500/3500HD 6.6L Duramax Wehrli Driver Side 3
04.5-10 GM 2500/3500HD 6.6L Duramax Wehrli Driver Side 3" Intercooler Pipe
- Ships in 25-30 Business Day Lead Time.
$280.33
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Item In Cart 01-16 GM 2500/3500HD 6.6L Duramax Wehrli Billet Exhaust Manifolds
01-16 GM 2500/3500HD 6.6L Duramax Wehrli Billet Exhaust Manifolds
- Ships in 7-10 Business Day Lead Time.
$1,289.13
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Item In Cart 06-10 GM 2500/3500HD 6.6L Duramax Wehrli 3.5
06-10 GM 2500/3500HD 6.6L Duramax Wehrli 3.5" Passenger Cold Side Intercooler Pipe Kit
- Ships in 25-30 Business Day Lead Time.
$377.33
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Item In Cart 06-10 GM 2500/3500HD 6.6L Duramax Wehrli Cast Intake Horn
06-10 GM 2500/3500HD 6.6L Duramax Wehrli Cast Intake Horn
- Ships in 25-30 Business Day Lead Time.
$357.93
View Details
Item In Cart 06-10 GM 2500/3500HD 6.6L Duramax Wehrli Top Outlet Billet Thermostat Housing & Upper Coolant Pipe Kit for Dual CP3
06-10 GM 2500/3500HD 6.6L Duramax Wehrli Top Outlet Billet Thermostat Housing & Upper Coolant Pipe Kit for Dual CP3
- Ships in 25-30 Business Day Lead Time.
$396.73
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Item In Cart 01-19 GM 2500/3500HD 6.6L Duramax PPE High Efficiency Engine Oil Filter 114000550
01-19 GM 2500/3500HD 6.6L Duramax PPE High Efficiency Engine Oil Filter 114000550
- Ships from Manufacturer in 3-5 Business Days
$35.99
View Details
Item In Cart 01-19 GM 2500/3500HD 6.6L Duramax PPE MicroPure Extreme Performance Engine Oil Filter 114000555
01-19 GM 2500/3500HD 6.6L Duramax PPE MicroPure Extreme Performance Engine Oil Filter 114000555
- Ships from Manufacturer in 3-5 Business Days
$35.99
View Details
Item In Cart 04-10 GM 2500/3500HD 6.6L Duramax PPE Tubing Kit for PPE Crankcase Breather Kit 114028000
04-10 GM 2500/3500HD 6.6L Duramax PPE Tubing Kit for PPE Crankcase Breather Kit 114028000
In Stock. Ships in 1 Business Day!
$35.99
View Details
Item In Cart 01-16 GM 2500/3500HD 6.6L Duramax PPE 12mm Billet Hardened Stainless Steel Magnetic Oil Drain Plug for OEM Engine Oil Pan 114052201
01-16 GM 2500/3500HD 6.6L Duramax PPE 12mm Billet Hardened Stainless Steel Magnetic Oil Drain Plug for OEM Engine Oil Pan 114052201
- Ships from Manufacturer in 3-5 Business Days
$17.99
View Details
Item In Cart 06-16 GM 2500/3500HD 6.6L Duramax Sinister Welded Water Pump SD-WWP-06
06-16 GM 2500/3500HD 6.6L Duramax Sinister Welded Water Pump SD-WWP-06
- Ships from Manufacturer in 3-5 Business Days
$281.99
View Details
Item In Cart 06-10 GM 2500/3500HD 6.6L Duramax LBZ / LMM aFe BladeRunner GT Series Intercooler 50 States Legal 46-20051
06-10 GM 2500/3500HD 6.6L Duramax LBZ / LMM aFe BladeRunner GT Series Intercooler 50 States Legal 46-20051
- Ships in 3-5 Business Days
$1,781.35
View Details
Item In Cart 07.5-10 GM 2500 / 3500HD 6.6L Duramax LMM Wehrli 4
07.5-10 GM 2500 / 3500HD 6.6L Duramax LMM Wehrli 4" Stage 2 Cold Air Intake Kit WCF100639
- Ships in 25-30 Business Day Lead Time.
$561.63
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Item In Cart Edge Products Insight CTS3 5
Edge Products Insight CTS3 5" Touch Screen Digital Gauge Monitor
In Stock. Ships in 1 Business Day!
(1)
$462.95
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Item In Cart 07-10 GM 6.6L Duramax 2500HD / 3500HD S&B Cold Air Intake w/ Oiled Filter
07-10 GM 6.6L Duramax 2500HD / 3500HD S&B Cold Air Intake w/ Oiled Filter
In Stock. Ships in 1 Business Day!
$349.00
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Item In Cart BD Diesel Constant Tension 3.5
BD Diesel Constant Tension 3.5" High Torque Hose Clamp
In Stock. Ships in 1 Business Day!
$21.95
View Details
Item In Cart 01-10 GM 6.6L Duramax 2500HD / 3500HD  FASS Titanium Signature Fuel Lift Pump (100GPH)
01-10 GM 6.6L Duramax 2500HD / 3500HD FASS Titanium Signature Fuel Lift Pump (100GPH)
In Stock. Ships in 1 Business Day!
$699.00
View Details
Item In Cart 06-10 GM 6.6L Duramax 2500HD / 3500HD  Mishimoto Aluminum Performance Radiator
06-10 GM 6.6L Duramax 2500HD / 3500HD Mishimoto Aluminum Performance Radiator
In Stock. Ships in 1 Business Day!
$887.95
View Details
Item In Cart 01-16 GM 6.6L Duramax 2500HD / 3500HD  Edge Evolution CTS3 CARB Programmer
01-16 GM 6.6L Duramax 2500HD / 3500HD Edge Evolution CTS3 CARB Programmer
In Stock. Ships in 1 Business Day!
$730.95
View Details
Item In Cart Deviant 76130 Billet Resonator Plug | 04.5-10 GM 6.6L Duramax 2500HD / 3500HD
Deviant 76130 Billet Resonator Plug | 04.5-10 GM 6.6L Duramax 2500HD / 3500HD
In Stock. Ships in 1 Business Day!
$30.00 $27.00 Sale
View Details
Item In Cart 06-10 GM Duramax 6.6L Silver Intercooler MMINT-DMAX-06SL
06-10 GM Duramax 6.6L Silver Intercooler MMINT-DMAX-06SL
- Ships in 3-5 Business Days
$1,155.95
View Details
Item In Cart 06-10 GM 6.6L Duramax 2500HD / 3500HD  Black Intercooler MMINT-DMAX-06BK
06-10 GM 6.6L Duramax 2500HD / 3500HD Black Intercooler MMINT-DMAX-06BK
- Ships in 3-5 Business Days
$1,155.95
View Details
Item In Cart Wehrli WCF100189 Billet Crankcase PCV Vent Fitting Kit | 04.5-10 GM 6.6L Duramax 2500HD / 3500HD
Wehrli WCF100189 Billet Crankcase PCV Vent Fitting Kit | 04.5-10 GM 6.6L Duramax 2500HD / 3500HD
- In Stock. Ships in 3-5 business days.
$44.62
View Details
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Categories

  • Duramax
    • 2020-2022 Duramax L5P
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2017-2019 Duramax L5P
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2011-2016 Duramax LML
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2007.5-2010 Duramax LMM
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2006-2007 Duramax LBZ
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2004.5-2005 Duramax LLY
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2001-2004 Duramax LB7
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
  • Powerstroke
    • 2020-2022 6.7L Powerstroke
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2017-2019 6.7L Powerstroke
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2011-2016 6.7L Powerstroke
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2008-2010 6.4L Powerstroke
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2003-2007 6.0L Powerstroke
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
  • Cummins
    • 2019-2022 6.7L Cummins
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2013-2018 6.7L Cummins
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2010-2012 6.7L Cummins
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2007.5-2009 6.7L Cummins
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2004.5-2007 5.9L Cummins
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More
    • 2003-2004 5.9L Cummins
      • Engine Upgrades
      • Exhaust Kits
      • Leveling Kits
      • Lift Kits
      • Tonneau Covers
      • Exterior
      • View More

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