Skip to content
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.

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.

Filters

$
$
  • responsive-image responsive-image

    WeatherTech 07 Chevrolet Sliverado Classic No Drill Mudflaps - Black

    WeatherTech
    $93.95 - $93.95
    $93.95
    $93.95 - $93.95
    $93.95

    Introducing the WeatherTech ® DigitalFit ® No-Drill MudFlap! From the creators of the revolutionary FloorLinerâ„ ¢ comes the most startling ...

    View full details
    $93.95 - $93.95
    $93.95
    $93.95 - $93.95
    $93.95
  • responsive-image responsive-image

    WeatherTech 03-06 Chevrolet Silverado Lampgard

    WeatherTech
    $58.95 - $58.95
    $58.95
    $58.95 - $58.95
    $58.95

    Protect your expensive headlamps, before it is too late! Introducing LampGard, an incredibly tough 40 mil. thick, double-polished urethane material...

    View full details
    $58.95 - $58.95
    $58.95
    $58.95 - $58.95
    $58.95
  • responsive-image responsive-image

    WeatherTech 03-04 Silverado Sierra Hood Protector - Black

    WeatherTech
    $103.95 - $103.95
    $103.95
    $103.95 - $103.95
    $103.95

    The Hood Protector is a custom-fit bug and debris shield that helps preserve and maintain paint finishes. Features a sleek and low profile made fro...

    View full details
    $103.95 - $103.95
    $103.95
    $103.95 - $103.95
    $103.95
  • responsive-image responsive-image

    WeatherTech No Drill F&R Mudflap Set 01-06 Duramax WITHOUT Fender Flares - DUALLY ONLY

    WeatherTech
    $213.90 - $213.90
    $213.90
    $213.90 - $213.90
    $213.90

    Weathertech Model 110006-120027 WeatherTech No Drill F&R Mudflap Set 01-06 Duramax WITHOUT Factory Fender Flares or Lip Molding - DUALLY ONLY D...

    View full details
    $213.90 - $213.90
    $213.90
    $213.90 - $213.90
    $213.90
  • responsive-image responsive-image

    WeatherTech F&R Mudflap Set 01-06 Duramax WITH Factory Fender Flares

    WeatherTech
    $173.90 - $173.90
    $173.90
    $173.90 - $173.90
    $173.90

    Weathertech Model 110005-120005 WeatherTech F&R Mudflap Set 01-06 Duramax WITH Factory Fender Flares or Lip Molding Ditch the damage when you i...

    View full details
    $173.90 - $173.90
    $173.90
    $173.90 - $173.90
    $173.90
  • responsive-image responsive-image Save 5% Save %

    Titan Fuel Tanks Universal Spare Tire Buddy Mounting System

    Titan Fuel Tanks
    $99.00
    $99.00 - $99.00
    $99.00
    $94.05
    $94.05 - $94.05
    $94.05

    Innovative spare tire mounting system, for mounting a spare tire in a truck bed.Here are the details: •No more crawling under your truck for the ...

    View full details
    $99.00
    $99.00 - $99.00
    $99.00
    $94.05
    $94.05 - $94.05
    $94.05
    Save 5% Save %
  • responsive-image responsive-image

    Lund Universal Crossroads 80in. Running Board - Chrome

    LUND
    $649.99 - $649.99
    $649.99
    $649.99 - $649.99
    $649.99

    These OE-styled running boards feature a crescent-shaped design with chrome end caps, creating a contemporary look and feel. Each running board has...

    View full details
    $649.99 - $649.99
    $649.99
    $649.99 - $649.99
    $649.99
  • responsive-image responsive-image

    Lund Universal Crossroads 70in. Running Board - Chrome

    LUND
    $599.99 - $599.99
    $599.99
    $599.99 - $599.99
    $599.99

    These OE-styled running boards feature a crescent-shaped design with chrome end caps, creating a contemporary look and feel. Each running board has...

    View full details
    $599.99 - $599.99
    $599.99
    $599.99 - $599.99
    $599.99
  • responsive-image responsive-image

    Lund 00-14 GMC Yukon (80in w/o Fender Flares) TrailRunner Extruded Multi-Fit Running Boards - Brite

    LUND
    $549.99 - $549.99
    $549.99
    $549.99 - $549.99
    $549.99

    LUND® TrailRunner(TM) running boards offer maximum durability, in the most demanding conditions. A wide variety of finishes include - heavy-duty ex...

    View full details
    $549.99 - $549.99
    $549.99
    $549.99 - $549.99
    $549.99
  • responsive-image responsive-image

    Fox 01-10 Chevy HD 2.0 Perf Series 8.1in. Smooth Body Remote Res. Front Shock / 4-6in. Lift - Alum.

    FOX
    $356.95 - $356.95
    $356.95
    $356.95 - $356.95
    $356.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $356.95 - $356.95
    $356.95
    $356.95 - $356.95
    $356.95
  • responsive-image responsive-image

    Fox 01-10 Chevy HD 2.0 Perf Series 5.1in. Smooth Body Remote Res. Front Shock / 0-1in. Lift - Alum.

    FOX
    $356.95 - $356.95
    $356.95
    $356.95 - $356.95
    $356.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

    View full details
    $356.95 - $356.95
    $356.95
    $356.95 - $356.95
    $356.95
  • responsive-image responsive-image

    Fleece Performance 01-13 GM Duramax 6.6L Duramax PowerFlo 750 CP3 (LBZ/LMM Based)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,999.00
    $1,999.00 - $1,999.00
    $1,999.00

    Fleece Performance Model FPE-DMAX-CP3-10MMDesigned to eliminate the factory fuel flow restriction that begins at 3000 RPM;Correlates to lost horsep...

    View full details
    $0.00 - $0.00
    $0.00
    $1,999.00
    $1,999.00 - $1,999.00
    $1,999.00
  • responsive-image responsive-image

    Fleece Performance 03-05 GM Duramax 6.6L LB7 / LLY GM/Allison TapShifter

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $399.00
    $399.00 - $399.00
    $399.00

    Fleece Performance Model FPE-TAPSHIFTER35The Fleece Performance TapShifter allows you to shift your 2001-2005 GM Allison Transmission with the touc...

    View full details
    $0.00 - $0.00
    $0.00
    $399.00
    $399.00 - $399.00
    $399.00
  • responsive-image responsive-image

    BedRug 99-07 GM Silverado/Sierra Classic Tailgate Mat

    BedRug
    $59.95 - $59.95
    $59.95
    $59.95 - $59.95
    $59.95

    Get added protection with the BedRug Tailgate Mat. Works with either style, and easily installs with hook and loop fasteners. Provides cushion for ...

    View full details
    $59.95 - $59.95
    $59.95
    $59.95 - $59.95
    $59.95
  • responsive-image responsive-image

    BedRug 99-07 GM Silverado/Sierra Classic 6ft 6in Bed Mat (Use w/Spray-In & Non-Lined Bed)

    BedRug
    $179.95 - $179.95
    $179.95
    $179.95 - $179.95
    $179.95

    Constructed of the same, durable material as the BedRug liner, BedRug Mat works great with drop-in or spray-in/non-liner applications. Available fo...

    View full details
    $179.95 - $179.95
    $179.95
    $179.95 - $179.95
    $179.95
  • responsive-image responsive-image Save 7% Save %

    BedRug 99-07 Chevy/GMC Classic Short Bed Bedliner

    BedRug
    $513.83
    $513.83 - $513.83
    $513.83
    $479.95
    $479.95 - $479.95
    $479.95

    Made of 100 percent polypropylene, the BedRug bed liner protects your truck, and provides an ultra tough work surface. BedRug is water and stain re...

    View full details
    $513.83
    $513.83 - $513.83
    $513.83
    $479.95
    $479.95 - $479.95
    $479.95
    Save 7% Save %
  • responsive-image responsive-image

    BedRug 66in x 98in Universal Drop In Mat

    BedRug
    $119.95 - $119.95
    $119.95
    $119.95 - $119.95
    $119.95

    Constructed of the same, durable material as the BedRug liner, BedRug Mat works great with drop-in or spray-in/non-liner applications. Available fo...

    View full details
    $119.95 - $119.95
    $119.95
    $119.95 - $119.95
    $119.95
  • responsive-image responsive-image Save 10% Save %

    Banks Power 01-04 Chevy 6.6L LB7 Ram-Air Intake System - Dry Filter

    Banks Power
    $498.89
    $498.89 - $498.89
    $498.89
    $449.00
    $449.00 - $449.00
    $449.00

    Flowbench developed, dyno-proven cold-air intake with enclosed housing improves flow up to 57 percent. Increases power and fuel economy. Reduces ex...

    View full details
    $498.89
    $498.89 - $498.89
    $498.89
    $449.00
    $449.00 - $449.00
    $449.00
    Save 10% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 01-04 Chevy 6.6L Lb14 Ram-Air Intake System

    Banks Power
    $498.89
    $498.89 - $498.89
    $498.89
    $449.00
    $449.00 - $449.00
    $449.00

    Flowbench developed, dyno-proven cold-air intake with enclosed housing improves flow up to 57 percent. Increases power and fuel economy. Reduces ex...

    View full details
    $498.89
    $498.89 - $498.89
    $498.89
    $449.00
    $449.00 - $449.00
    $449.00
    Save 10% Save %
  • responsive-image responsive-image

    AMP Research Override Switch w/ STA1 Controller

    AMP Research
    $169.99 - $169.99
    $169.99
    $169.99 - $169.99
    $169.99

    Now you can manually control your AMP Research POWERSTEP with a temporary over-ride switch. Whether deploying them to wash, or retracting them for ...

    View full details
    $169.99 - $169.99
    $169.99
    $169.99 - $169.99
    $169.99
  • responsive-image responsive-image

    AMP Research 99-23 Ford F-250/F-350 SuperDuty Bedxtender HD Sport - Silver (May Req. Diode Kit)

    AMP Research
    $329.99 - $329.99
    $329.99
    $329.99 - $329.99
    $329.99

    V-shape design is the perfect mix of form and function that keeps your gear secure. Provides the extra clearance needed when used with some tonneau...

    View full details
    $329.99 - $329.99
    $329.99
    $329.99 - $329.99
    $329.99
  • responsive-image responsive-image

    AMP Research 2007-2017 GMC Sierra Bedxtender - Black

    AMP Research
    $59.99 - $59.99
    $59.99
    $59.99 - $59.99
    $59.99

    BedXtender HD Mounting Bracket for 1999-2018 Chevrolet Silverado 1500/GMC Sierra (Incl 2019 Silverado LD/Sierra Limited), 1999-2019 Chevrolet Silve...

    View full details
    $59.99 - $59.99
    $59.99
    $59.99 - $59.99
    $59.99
  • responsive-image responsive-image

    AMP Research 1999-2013 Chevrolet Silverado All Beds BedStep2 - Black

    AMP Research
    $329.99 - $329.99
    $329.99
    $329.99 - $329.99
    $329.99

    Side steps for hard-working trucks. The AMP Research Bedstep2 mounts just behind the cab, forward of the rear wheel, providing a faster, easier and...

    View full details
    $329.99 - $329.99
    $329.99
    $329.99 - $329.99
    $329.99
  • responsive-image responsive-image

    AMP Research 08-23 Ford F-250/F-350 SuperDuty Bedxtender HD Sport - Black

    AMP Research
    $329.99 - $329.99
    $329.99
    $329.99 - $329.99
    $329.99

    V-shape design is the perfect mix of form and function that keeps your gear secure. Provides the extra clearance needed when used with some tonneau...

    View full details
    $329.99 - $329.99
    $329.99
    $329.99 - $329.99
    $329.99

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