LLY Duramax Parts
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BD Diesel Valve Body - 2004-2006 Duramax LLY Allison 1000
BD DieselOriginal price $1,144.55 - Original price $1,144.55Original price $1,144.55$1,204.95$1,204.95 - $1,204.95Current price $1,204.95BD Diesel Valve Body - 2004-2006 Duramax LLY Allison 1000 BD's exchange valve bodies are modified, tuned and tested to provide optimum performance ...
View full detailsOriginal price $1,144.55 - Original price $1,144.55Original price $1,144.55$1,204.95$1,204.95 - $1,204.95Current price $1,204.95 -
Exergy 04.5-05 Chevrolet Duramax 6.6L LLY Reman Sportsman Injector - Set of 8
ExergyOriginal price $3,392.00 - Original price $3,392.00Original price$3,392.00$3,392.00 - $3,392.00Current price $3,392.00Exergy Model E01 10202Exergy 04.5-05 Chevrolet Duramax 6.6L LLY Reman Sportsman Injector 8 Reman Sportsman Injectors Injector Coppers and O-ring...
View full detailsOriginal price $3,392.00 - Original price $3,392.00Original price$3,392.00$3,392.00 - $3,392.00Current price $3,392.00 -
Exergy 04.5-05 Chevrolet Duramax 6.6L LLY 10mm Stroker CP3 Pump (LBZ Based)
ExergyOriginal price $2,150.00 - Original price $2,150.00Original price$2,150.00$2,150.00 - $2,150.00Current price $2,150.00Exergy Model E04 10206Exergy 04.5-05 Chevrolet Duramax 6.6L LLY 10mm Stroker CP3 Pump (LBZ Based) Do you want the capability of more power without ...
View full detailsOriginal price $2,150.00 - Original price $2,150.00Original price$2,150.00$2,150.00 - $2,150.00Current price $2,150.00 -
Fleece 04-05 GM 2500/3500 Duramax High Pressure Injection Line Kit
Fleece PerformanceOriginal price $0.00 - Original price $0.00Original price $0.00$489.00$489.00 - $489.00Current price $489.00Fleece Performance Model FPE-FL-DMAX-LLY-SETLLY Duramax High Pressure Injection Line Kit. Replacement high pressure fuel lines from Fleece Performa...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$489.00$489.00 - $489.00Current price $489.00 -
Exergy 04.5-05 Chevrolet Duramax 6.6L LLY Sportsman CP3 Pump (LBZ Based)
ExergyOriginal price $1,270.00 - Original price $1,270.00Original price$1,270.00$1,270.00 - $1,270.00Current price $1,270.00Exergy Model E04 10205Exergy 04.5-05 Chevrolet Duramax 6.6L LLY Sportsman CP3 Pump (LBZ Based) Are you in need of a factory replacement CP3 pump? D...
View full detailsOriginal price $1,270.00 - Original price $1,270.00Original price$1,270.00$1,270.00 - $1,270.00Current price $1,270.00 -
Mishimoto Factory-Fit Intercooler Boot Kit 04.5-05 Chevrolet 6.6L Duramax LLY
MishimotoOriginal price $374.00Original price $374.00 - Original price $374.00Original price $374.00Current price $339.95$339.95 - $339.95Current price $339.95Mishimoto Factory-Fit Intercooler Boot Kit 04.5-05 Chevrolet 6.6L Duramax Direct fit for the 2004.5-2005 Chevrolet/GMC 6.6L Duramax Five layers ...
View full detailsOriginal price $374.00Original price $374.00 - Original price $374.00Original price $374.00Current price $339.95$339.95 - $339.95Current price $339.95Save 9% -
GM Remanufactured Injector For 2004.5-2005 6.6L LLY Duramax Stock Industrial Injection
Industrial InjectionOriginal price $279.95Original price $279.95 - Original price $279.95Original price $279.95Current price $271.55$271.55 - $271.55Current price $271.55Industrial Injection Model: 0986435504SE-IISThe Industrial Injection Stock Reman Injectors are a perfect replacement injector for someone looking f...
View full detailsOriginal price $279.95Original price $279.95 - Original price $279.95Original price $279.95Current price $271.55$271.55 - $271.55Current price $271.55Save 3% -
Kryptonite Torsion Key Unloading Tool For 1988–2025 Universal Chevy/GMC Fit
KryptoniteOriginal price $151.99 - Original price $151.99Original price$151.99$151.99 - $151.99Current price $151.99Fits:1988–2025 Chevy/GMC 1500HD / 2500HD / 3500 Trucks, Also fits: 1999–2006 GM 1500 Trucks & SUVs Universal Fit – Compatible with most GM tru...
View full detailsOriginal price $151.99 - Original price $151.99Original price$151.99$151.99 - $151.99Current price $151.99 -
DDP Duramax 04.5-05 LLY Reman Injector Set - 100 (45% Over)
DDPOriginal price $4,300.00Original price $4,300.00 - Original price $4,300.00Original price $4,300.00Current price $3,676.50$3,676.50 - $3,676.50Current price $3,676.50DDP Model DDPLLY-100Duramax 04.5-05 LLY Injector Set: Remanufactured injector set flowing at 45 percent over, capable of 750-800 RWHP with proper s...
View full detailsOriginal price $4,300.00Original price $4,300.00 - Original price $4,300.00Original price $4,300.00Current price $3,676.50$3,676.50 - $3,676.50Current price $3,676.50Save 15% -
GM HX Series Main Bearings For 01-16 6.6L Duramax Industrial Injection
Industrial InjectionOriginal price $391.95Original price $391.95 - Original price $391.95Original price $391.95Current price $380.19$380.19 - $380.19Current price $380.19Industrial Injection Model: PDM-MS-2218HXC2001-2016 Duramax Hx Series Main Bearings (Std +.001) Coated. These H and HX Clevite bearings were develo...
View full detailsOriginal price $391.95Original price $391.95 - Original price $391.95Original price $391.95Current price $380.19$380.19 - $380.19Current price $380.19Save 3% -
GM H Series Rod Bearing Set For 01-16 Duramax Industrial Injection
Industrial InjectionOriginal price $548.95Original price $548.95 - Original price $548.95Original price $548.95Current price $532.48$532.48 - $532.48Current price $532.48Industrial Injection Model: PDM-CB-1805HC2001-2016 Duramax H Series Rod Bearings (Std .025) Coated Set. These H and HX Clevite bearings were devel...
View full detailsOriginal price $548.95Original price $548.95 - Original price $548.95Original price $548.95Current price $532.48$532.48 - $532.48Current price $532.48Save 3% -
Industrial Injection 01-16 Chevrolet Duramax Grade C Head Gasket (Right Side)
Industrial InjectionOriginal price $114.43 - Original price $114.43Original price$114.43$114.43 - $114.43Current price $114.43Industrial Injection Model: 54582Industrial Injection 01-16 Chevrolet Duramax Grade C Head Gasket (Right Side)
Original price $114.43 - Original price $114.43Original price$114.43$114.43 - $114.43Current price $114.43 -
GM H Series Main Bearings For 01-16 6.6L Duramax Industrial Injection
Industrial InjectionOriginal price $390.95Original price $390.95 - Original price $390.95Original price $390.95Current price $379.22$379.22 - $379.22Current price $379.22Industrial Injection Model: PDM-MS-2218HC2001-2016 Duramax H Series Main Bearings (Std .025) Coated. These H and HX Clevite bearings were developed...
View full detailsOriginal price $390.95Original price $390.95 - Original price $390.95Original price $390.95Current price $379.22$379.22 - $379.22Current price $379.22Save 3% -
GM Rocker Arm Spacer Kit For 01-16 Duramax Industrial Injection
Industrial InjectionOriginal price $236.95Original price $236.95 - Original price $236.95Original price $236.95Current price $229.84$229.84 - $229.84Current price $229.84Industrial Injection Model: PDM-07184The Duramax Rocker Spacer Kit was designed to eliminate the factory springs in between the rockers to keep the...
View full detailsOriginal price $236.95Original price $236.95 - Original price $236.95Original price $236.95Current price $229.84$229.84 - $229.84Current price $229.84Save 3% -
XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD553
XDPOriginal price $929.95 - Original price $929.95Original price$929.95$929.95 - $929.95Current price $929.95XDP Model XD553The XDP Xpressor Turbo (Remanufactured Stock Replacement) XD553 is a direct-fit replacement for the failed turbo in your 2004.5-2005...
View full detailsOriginal price $929.95 - Original price $929.95Original price$929.95$929.95 - $929.95Current price $929.95 -
XDP Remanufactured LLY Fuel Injector XD494 For 2004.5-2005 GM 6.6L Duramax LLY
XDPOriginal price $258.95 - Original price $258.95Original price$258.95$258.95 - $258.95Current price $258.95XDP Model XD494Maintain the factory function of the fuel system on your Duramax with the XDP Remanufactured LLY Fuel Injector (Stock HP) XD494. Wit...
View full detailsOriginal price $258.95 - Original price $258.95Original price$258.95$258.95 - $258.95Current price $258.95 -
XDP Connecting Rod Bolt Kit 2001-2010 GM 6.6L Duramax
XDPOriginal price $209.95 - Original price $209.95Original price$209.95$209.95 - $209.95Current price $209.95XDP Model XD3019RBUpgrade the factory connecting rod bolts on your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Connecting Rod Bolt Kit X...
View full detailsOriginal price $209.95 - Original price $209.95Original price$209.95$209.95 - $209.95Current price $209.95 -
OER Series New Fuel Injector (Stock HP) 1991.5-1993 Dodge Cummins XDP Xtreme Diesel Performance
XDPOriginal price $95.95 - Original price $95.95Original price$95.95$95.95 - $95.95Current price $95.95XDP Model XD589The XDP OER Series New Fuel Injector (Stock HP) XD589 will help restore fuel system function in your 1991.5-1993 Dodge 5.9L Cummins ...
View full detailsOriginal price $95.95 - Original price $95.95Original price$95.95$95.95 - $95.95Current price $95.95 -
XDP Remanufactured CP3 Fuel Pump 2004.5-2005 GM 6.6L Duramax LLY
XDPOriginal price $665.95 - Original price $665.95Original price$665.95$665.95 - $665.95Current price $665.95XDP Model XD522 Purchase the Remanufactured CP3 Fuel Pump (Stock Replacement) XD522 and replace the underperforming pump on your 2004.5-2005 GM 6....
View full detailsOriginal price $665.95 - Original price $665.95Original price$665.95$665.95 - $665.95Current price $665.95 -
XDP Low-Profile Plastic Creeper XD395
XDPOriginal price $99.95 - Original price $99.95Original price$99.95$99.95 - $99.95Current price $99.95XDP Model XD395Low-Profile Plastic Creeper Warranty Info: 2 Year / Unlimited Mileage
Original price $99.95 - Original price $99.95Original price$99.95$99.95 - $99.95Current price $99.95 -
XDP Billet Aluminum Oil Cap XD477 For 2001-2021 GM 6.6L Duramax
XDPOriginal price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95XDP Model XD477Customize the underhood of your 2001-2021 GM 6.6L Duramax when you add the Billet Aluminum Oil Cap XD477. Each cap features a CNC-ma...
View full detailsOriginal price $29.95 - Original price $29.95Original price$29.95$29.95 - $29.95Current price $29.95 -
XDP Main Stud Kit 2001-2005 GM 6.6L Duramax LB7/LLY
XDPOriginal price $234.95 - Original price $234.95Original price$234.95$234.95 - $234.95Current price $234.95XDP Model XD3007MSThe Main Stud Kit XD3007MS is essential for setting up your 2001-2005 GM 6.6L Duramax LB7/LLY for competition or street use. OEM ...
View full detailsOriginal price $234.95 - Original price $234.95Original price$234.95$234.95 - $234.95Current price $234.95 -
1.5 Inch Block and U-Bolt Kit 01-10 Chevy/GMC 2500HD Rough Country
Rough CountryOriginal price $79.95 - Original price $79.95Original price$79.95$79.95 - $79.95Current price $79.95Has the rear of your vehicle started to sag, or are you looking to add a bit of lift height? Whatever the case maybe we have you covered at Rough C...
View full detailsOriginal price $79.95 - Original price $79.95Original price$79.95$79.95 - $79.95Current price $79.95 -
HD Forged Tie Rod End 01-10 Chevy/GMC 2500HD Rough Country
Rough CountryOriginal price $219.95 - Original price $219.95Original price$219.95$219.95 - $219.95Current price $219.95Don't settle for weak tie rods! You want your steering and suspension to be as strong as the truck you love. That's why you need Rough Country's HD...
View full detailsOriginal price $219.95 - Original price $219.95Original price$219.95$219.95 - $219.95Current price $219.95
BUILT FOR PERFORMANCE
This second gen Duramax is now equipped with a faster spooling Turbocharger which created more torque sooner with less emissions. Powerhouse Diesel has a huge selection of LLY Duramax parts to help you boost its performance, extend its lifespan and ensure it remains in good working order for as long as possible.
Here at Powerhouse Diesel, our inventory of LLY duramax performance parts and accessories includes just about everything you could need. We have a huge range of options from many of the top manufacturers in the industry, including Fleece, Kryptonite, DDP and Rough Country. This is critical because when you’re trying to make improvements to how your engine performs, you need to have the highest-quality components. Without the best LLY upgrades, there’s a good chance you’ll continue to have issues with your engine.
Our selection of LLY duramax parts can help you no matter what you’re looking for from your truck. Whether you’re trying to boost efficiency, get more raw power or just need to perform routine maintenance, we have something to help you. Here you’ll find LLY accessories and parts including:
- Suspension parts
- Turbochargers
- Exhausts
- Injectors
- Intakes and cooling system parts
- Injection pumps and lift pumps
- And more
LET US SHOW YOU THE WAY
Our expertise and knowledge make us the best place to look for parts to upgrade your LLY Duramax. When you shop with us, our experienced team can help you narrow down your search and find the components that are perfect for whatever result you want. We’ll answer your questions and show you all your options so you can get the most from your engine. If you’re ready to learn more about what we have in stock and what it can do for you, browse through our products or get in touch with us today.