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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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    Schaeffer's 0204SAT All-Trans Supreme ATF

    Schaeffer's
    $290.00 - $473.00
    $290.00
    $290.00 - $473.00
    $290.00

    0204SAT All-Trans Supreme® is formulated with a special blend of synthetic base oils, a highly shear, stable viscosity improver, and a multi-functi...

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    $290.00 - $473.00
    $290.00
    $290.00 - $473.00
    $290.00
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    Kryptonite Remote Reservoir Mount Kit For 2001–2010 Chevy/GMC HD Trucks & 2002–2009 Hummer H2

    Kryptonite
    $248.00 - $248.00
    $248.00
    $248.00 - $248.00
    $248.00

    Fits:2001–2010 Chevy/GMC 2500HD, 3500HD2002–2009 Hummer H2 Fits front shock towers. Sold as a pair. Shocks not included.Not all shocks are compati...

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    $248.00 - $248.00
    $248.00
    $248.00 - $248.00
    $248.00
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    Kryptonite Inner Tie Rod Tool For Chevy/GMC Trucks

    Kryptonite
    $42.00 - $42.00
    $42.00
    $42.00 - $42.00
    $42.00

    Fits; Any Kryptonite Death Grip Style Inner Tie Rod for GM Trucks Important Fitment Info: This tool is specifically designed to install or remove K...

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    $42.00 - $42.00
    $42.00
    $42.00 - $42.00
    $42.00
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    Kryptonite Tie Rod Rebuild Kit For Stock Center Link 2001-2010

    Kryptonite
    $317.00 - $317.00
    $317.00
    $317.00 - $317.00
    $317.00

    Kryptonite Model 10KRYNEW34This is a rebuild kit for your set of Kryptonite tie rods with a stock center link, this kit includes a replacement for ...

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    $317.00 - $317.00
    $317.00
    $317.00 - $317.00
    $317.00
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    Smeding Diesel S464 T4 Turbocharger

    Smeding
    $1,413.00 - $2,188.00
    $1,413.00
    $1,413.00 - $2,188.00
    $1,413.00

    s464 t4 turbocharger

    $1,413.00 - $2,188.00
    $1,413.00
    $1,413.00 - $2,188.00
    $1,413.00
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    S&B Filters 75-5102 Cold Air Intake Kit (Cleanable Filter)

    S&B
    $550.00 - $550.00
    $550.00
    $550.00 - $550.00
    $550.00

    S&B Model 75-5102Outflow the factory air intake system in your 2004.5-2005 GM 6.6L Duramax LLY with the S&B Filters 75-5102 Cold Air Intake...

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    $550.00 - $550.00
    $550.00
    $550.00 - $550.00
    $550.00
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    XDP Duramax Cat Adapter With 1R-0750 Filter, Bleeder Screw & Spacer XD171

    XDP
    $160.00 - $160.00
    $160.00
    $160.00 - $160.00
    $160.00

    XDP Model XD171The XDP Duramax CAT Adapter with 1R-0750 Filter, Bleeder Screw & Spacer XD171 is an easy way to upgrade the fuel filter on your ...

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    $160.00 - $160.00
    $160.00
    $160.00 - $160.00
    $160.00
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    Fleece Performance 06-10 GM Duramax 6.6L LBZ/LMM Allison Transmission Cooler Lines

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $421.00
    $421.00 - $421.00
    $421.00

    Fleece Performance Model FPE-TL-LBZ-LMMReplace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit...

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    $0.00 - $0.00
    $0.00
    $421.00
    $421.00 - $421.00
    $421.00
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    HPT MPVI4

    HP Tuners
    $580.00 - $580.00
    $580.00
    $580.00 - $580.00
    $580.00

    Introducing HP Tuners’ newest and most advanced vehicle interface. Designed for custom calibration, diagnostics, and data acquisition, MPVI4 sets t...

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    $580.00 - $580.00
    $580.00
    $580.00 - $580.00
    $580.00
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    Pro Form Fab 2000-2010 Chevy/GMC 2500/3500 Rear Lift Blocks

    Pro Form Fab
    $0.00 - $0.00
    $0.00
    $174.00
    $174.00 - $254.00
    $174.00

    2000 - 2010 Chevy/GMC 2500/3500 Product Description: We are proud to bring you our Heavy Duty fabricated rear lift blocks. These CNC cut, jig...

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    $0.00 - $0.00
    $0.00
    $174.00
    $174.00 - $254.00
    $174.00
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    XDP Mass Air Flow (MAF) Sensor 2001-2007 GM 6.6L Duramax LB7/LLY/LBZ XD1024

    XDP
    $120.00 - $120.00
    $120.00
    $120.00 - $120.00
    $120.00

    XDP Model XD1024The XDP Mass Air Flow (MAF) Sensor XD1024 is an OE-style, direct-fit replacement the factory MAF sensor on your Chevy or GMC 6.6L D...

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    $120.00 - $120.00
    $120.00
    $120.00 - $120.00
    $120.00
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    Wehrli Big Hitch Products Billet Aluminum Competition Kill Switch

    Wehrli
    $0.00 - $0.00
    $0.00
    $283.00
    $283.00 - $283.00
    $283.00

    Wehrli Big Hitch Products Model BHP4010 Universal Kill Switch for Competition Pulling Vehicles to cut ground wire circuit of Ignition, Fuel pump...

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    $0.00 - $0.00
    $0.00
    $283.00
    $283.00 - $283.00
    $283.00
  • XDP Harmonic Balancer Bolt XD628. XDP Harmonic Balancer Bolt XD628.

    XDP Harmonic Balancer Bolt XD628

    XDP
    $37.00 - $37.00
    $37.00
    $37.00 - $37.00
    $37.00

    XDP Model XD628

    $37.00 - $37.00
    $37.00
    $37.00 - $37.00
    $37.00
  • S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New. S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New.

    S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New

    S&S
    $1,638.00 - $1,638.00
    $1,638.00
    $1,638.00 - $1,638.00
    $1,638.00

    S&S Model CP3-DMX-SSS&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) S&S Duramax CP3 pumps are built from brand...

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    $1,638.00 - $1,638.00
    $1,638.00
    $1,638.00 - $1,638.00
    $1,638.00
  • S&S Diesel Motorsport LLY Duramax (2004.5-2005 )TorqueMaster Injectors Set - Reman or New. S&S Diesel Motorsport LLY Duramax (2004.5-2005 )TorqueMaster Injectors Set - Reman or New.

    S&S Diesel Motorsport LLY Duramax (2004.5-2005 )TorqueMaster Injectors Set - Reman or New

    S&S
    $3,782.00 - $4,449.00
    $3,782.00
    $3,782.00 - $4,449.00
    $3,782.00

    S&S Model LLY-10SAC-R-SET (Reman) or LLY-10SAC-SET (New)LLY TorqueMaster Injector -Set S&S Upgrades Proprietary nozzle honing process fo...

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    $3,782.00 - $4,449.00
    $3,782.00
    $3,782.00 - $4,449.00
    $3,782.00
    Select Options
  • S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM. S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM.

    S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM

    S&S
    $73.00 - $73.00
    $73.00
    $73.00 - $73.00
    $73.00

    S&S Model DMAX-INJ-RTN-LHS&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM

    $73.00 - $73.00
    $73.00
    $73.00 - $73.00
    $73.00
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    XDP XTRA Cool Water Pump (With Housing) XD666

    XDP
    $229.00 - $229.00
    $229.00
    $229.00 - $229.00
    $229.00

    XDP Model XD6662001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxThe XDP X-TRA Cool Water Pump (With Housing)...

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    $229.00 - $229.00
    $229.00
    $229.00 - $229.00
    $229.00
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    DDP Common Rail High Pressure Diesel Injection System Cleaner

    DDP
    $0.00 - $0.00
    $0.00
    $69.00
    $69.00 - $69.00
    $69.00

    DDP Model DDPCRCLEANHeavy duty, one-time use injection system cleaner. Cleans the entire fuel system! This product removes contamination, resin and...

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    $0.00 - $0.00
    $0.00
    $69.00
    $69.00 - $69.00
    $69.00
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    XDP Billet Tow & Race Series Flex Plate 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML Allison A1000

    XDP
    $395.00 - $395.00
    $395.00
    $395.00 - $395.00
    $395.00

    XDP Model XD651Upgrade your truck with a XDP Billet Tow & Race Series Flex Plate XD651. If your truck is used for racing, sled pulling, or hot ...

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    $395.00 - $395.00
    $395.00
    $395.00 - $395.00
    $395.00
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    Fleece Performance Duramax Remote Turbo Oil Feed Line Kit for 01-16 Duramax/w 1/4 NPT Oil Inlet

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $145.00
    $145.00 - $145.00
    $145.00

    Fleece Performance Model FPE-DTFL-S3S4-0116Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal be...

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    $0.00 - $0.00
    $0.00
    $145.00
    $145.00 - $145.00
    $145.00
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    Fleece Performance 01-16 GM Duramax 6.6L CP3 Adapter Kit w/O-Rings

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $97.00
    $97.00 - $97.00
    $97.00

    Fleece Performance Model FPE-DMAX-CP3-ADPTReplacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings ...

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    $0.00 - $0.00
    $0.00
    $97.00
    $97.00 - $97.00
    $97.00
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    Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler

    Mishimoto
    $796.00
    $796.00 - $796.00
    $796.00
    $723.00
    $723.00 - $723.00
    $723.00

    There's no greater enemy for a transmission than heat. Whether your 2003-2005 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

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    $796.00
    $796.00 - $796.00
    $796.00
    $723.00
    $723.00 - $723.00
    $723.00
    Save 9% Save %
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    Gm Injector Screw In Cups For 2001-2004.5 6.6L LB7 Duramax Includes Install Tool and Hardware Industrial Injection

    Industrial Injection
    $1,304.00
    $1,304.00 - $1,304.00
    $1,304.00
    $1,265.00
    $1,265.00 - $1,265.00
    $1,265.00

    Industrial Injection Model: PDM-07021KThe factory injector cups are known for leaking, pitting and seizing themselves to the injectors in your LB7....

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    $1,304.00
    $1,304.00 - $1,304.00
    $1,304.00
    $1,265.00
    $1,265.00 - $1,265.00
    $1,265.00
    Save 3% Save %
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    Pusher Max HD Charge Tube Package for 2004.5-05 Duramax LLY Trucks

    Pusher Intakes
    $812.00 - $812.00
    $812.00
    $812.00 - $812.00
    $812.00

    Pusher Intakes Model PGD0405KT This product is not emissions compliant. Off-road use only. The Pusher Max HD Charge Tube is engineered to provide ...

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    $812.00 - $812.00
    $812.00
    $812.00 - $812.00
    $812.00
    Select Options

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