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LLY Duramax Parts

One of the biggest differences between the LLY and its predecessor, the LB7, is that the LLY is fitted with emissions controlling technology. 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.

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  • XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD553

    XDP
    Original price $929.95 - Original price $929.95
    Original price
    $929.95
    $929.95 - $929.95
    Current price $929.95

    XDP Model XD553The XDP Xpressor Turbo (Remanufactured Stock Replacement) XD553 is a direct-fit replacement for the failed turbo in your 2004.5-2005...

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    Original price $929.95 - Original price $929.95
    Original price
    $929.95
    $929.95 - $929.95
    Current price $929.95
  • XDP Remanufactured LLY Fuel Injector XD494 For 2004.5-2005 GM 6.6L Duramax LLY

    XDP
    Original price $258.95 - Original price $258.95
    Original price
    $258.95
    $258.95 - $258.95
    Current price $258.95

    XDP Model XD494Maintain the factory function of the fuel system on your Duramax with the XDP Remanufactured LLY Fuel Injector (Stock HP) XD494. Wit...

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    Original price $258.95 - Original price $258.95
    Original price
    $258.95
    $258.95 - $258.95
    Current price $258.95
  • XDP Connecting Rod Bolt Kit 2001-2010 GM 6.6L Duramax

    XDP
    Original price $209.95 - Original price $209.95
    Original price
    $209.95
    $209.95 - $209.95
    Current price $209.95

    XDP 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...

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    Original price $209.95 - Original price $209.95
    Original price
    $209.95
    $209.95 - $209.95
    Current price $209.95
  • OER Series New Fuel Injector (Stock HP) 1991.5-1993 Dodge Cummins XDP Xtreme Diesel Performance

    XDP
    Original price $95.95 - Original price $95.95
    Original price
    $95.95
    $95.95 - $95.95
    Current price $95.95

    XDP 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 ...

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    Original price $95.95 - Original price $95.95
    Original price
    $95.95
    $95.95 - $95.95
    Current price $95.95
  • XDP Remanufactured CP3 Fuel Pump 2004.5-2005 GM 6.6L Duramax LLY

    XDP
    Original price $665.95 - Original price $665.95
    Original price
    $665.95
    $665.95 - $665.95
    Current price $665.95

    XDP Model XD522 Purchase the Remanufactured CP3 Fuel Pump (Stock Replacement) XD522 and replace the underperforming pump on your 2004.5-2005 GM 6....

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    Original price $665.95 - Original price $665.95
    Original price
    $665.95
    $665.95 - $665.95
    Current price $665.95
  • XDP Low-Profile Plastic Creeper XD395

    XDP
    Original price $99.95 - Original price $99.95
    Original price
    $99.95
    $99.95 - $99.95
    Current price $99.95

    XDP Model XD395Low-Profile Plastic Creeper Warranty Info: 2 Year / Unlimited Mileage

    Original price $99.95 - Original price $99.95
    Original price
    $99.95
    $99.95 - $99.95
    Current price $99.95
  • XDP Billet Aluminum Oil Cap XD477 For 2001-2021 GM 6.6L Duramax

    XDP
    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95

    XDP 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...

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    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95
  • XDP Main Stud Kit 2001-2005 GM 6.6L Duramax LB7/LLY

    XDP
    Original price $234.95 - Original price $234.95
    Original price
    $234.95
    $234.95 - $234.95
    Current price $234.95

    XDP 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 ...

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    Original price $234.95 - Original price $234.95
    Original price
    $234.95
    $234.95 - $234.95
    Current price $234.95
  • XDP Performance Valve Springs & Retainer Kit XD386

    XDP
    Original price $675.95 - Original price $675.95
    Original price
    $675.95
    $675.95 - $675.95
    Current price $675.95

    XDP Model XD386 The XDP Performance Valve Springs & Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Cams...

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    Original price $675.95 - Original price $675.95
    Original price
    $675.95
    $675.95 - $675.95
    Current price $675.95
  • XDP Rocker Arm Shafts XD385

    XDP
    Original price $484.95 - Original price $484.95
    Original price
    $484.95
    $484.95 - $484.95
    Current price $484.95

    XDP Model XD385 The XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001-2019 GM 6.6L Duramax engin...

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    Original price $484.95 - Original price $484.95
    Original price
    $484.95
    $484.95 - $484.95
    Current price $484.95
  • XDP Billet Rocker Arm Valve Bridge Set XD384

    XDP
    Original price $459.95 - Original price $459.95
    Original price
    $459.95
    $459.95 - $459.95
    Current price $459.95

    XDP Model XD384 The XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2016 GM 6.6L Du...

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    Original price $459.95 - Original price $459.95
    Original price
    $459.95
    $459.95 - $459.95
    Current price $459.95
  • XDP Wrinkle Black HD High Output Alternator XD355

    XDP
    Original price $470.95 - Original price $470.95
    Original price
    $470.95
    $470.95 - $470.95
    Current price $470.95

    XDP Model XD355 Increase the output of the charging system in your 2001-2007 GM 6.6L Duramax with the XDP Wrinkle Black HD High Output Alternator X...

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    Original price $470.95 - Original price $470.95
    Original price
    $470.95
    $470.95 - $470.95
    Current price $470.95
  • XDP 7/16" Competition & Race Performance Pushrods XD316

    XDP
    Original price $378.95 - Original price $378.95
    Original price
    $378.95
    $378.95 - $378.95
    Current price $378.95

    XDP Model XD316Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition & Race Performa...

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    Original price $378.95 - Original price $378.95
    Original price
    $378.95
    $378.95 - $378.95
    Current price $378.95
  • XDP 3/8" Street Performance Pushrods XD315

    XDP
    Original price $349.95 - Original price $349.95
    Original price
    $349.95
    $349.95 - $349.95
    Current price $349.95

    XDP Model XD315The XDP Pushrods 3/8" Street Performance XD315 eliminate the weak link in the valvetrain of your 2001-2016 GM 6.6L Duramax. The fact...

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    Original price $349.95 - Original price $349.95
    Original price
    $349.95
    $349.95 - $349.95
    Current price $349.95
  • XDP Wrinkle Black HD Gear Reduction Starter XD251

    XDP
    Original price $299.95 - Original price $299.95
    Original price
    $299.95
    $299.95 - $299.95
    Current price $299.95

    XDP Model XD251You can rely on the XDP Wrinkle Black HD Gear Reduction Starter XD251 to get your 2001-2019 GM 6.6L Duramax running in the most extr...

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    Original price $299.95 - Original price $299.95
    Original price
    $299.95
    $299.95 - $299.95
    Current price $299.95
  • XDP Direct Replacement High Output 220 Amp Alternator XD224

    XDP
    Original price $299.95 - Original price $299.95
    Original price
    $299.95
    $299.95 - $299.95
    Current price $299.95

    XDP Model XD224Don't just replace the failing alternator in your 2001-2007 GM 6.6L Duramax, upgrade it with the XDP Direct Replacement High Output ...

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    Original price $299.95 - Original price $299.95
    Original price
    $299.95
    $299.95 - $299.95
    Current price $299.95
  • XDP Billet Turbo Resonator Delete Plug XD184

    XDP
    Original price $22.95 - Original price $22.95
    Original price
    $22.95
    $22.95 - $22.95
    Current price $22.95

    XDP Model XD184The XDP Billet Turbo Resonator Delete Plug XD184 for your 2004.5-2010 GM 6.6L Duramax allows you to clean up the under-hood of your ...

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    Original price $22.95 - Original price $22.95
    Original price
    $22.95
    $22.95 - $22.95
    Current price $22.95
  • XDP Fuel Tank Sump - One Hole Design XD182

    XDP
    Original price $149.95 - Original price $149.95
    Original price
    $149.95
    $149.95 - $149.95
    Current price $149.95

    XDP Model XD182The XDP Fuel Tank Sump XD182 is the perfect solution for those wanting to maximize fuel delivery to their engine. This One Hole Desi...

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    Original price $149.95 - Original price $149.95
    Original price
    $149.95
    $149.95 - $149.95
    Current price $149.95

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.

Powerhouse Diesel