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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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    Fleece Performance 01-04 GM Duramax 6.6L LB7 63mm Billet LB7 Cheetah Turbocharger

    Fleece Performance
    $2,580.00 - $2,580.00
    $2,580.00
    $2,867.00
    $2,867.00 - $2,867.00
    $2,867.00

    Fleece Performance Model FPE-LB7-63Wake up your 2001-2004 LB7 with the drop in replacement Fleece Performance LB7 Cheetah Turbocharger. Featuring a...

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    $2,580.00 - $2,580.00
    $2,580.00
    $2,867.00
    $2,867.00 - $2,867.00
    $2,867.00
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    Fleece Performance 01-11 GM Duramax 6.6L 2500-3500HD Pickups Tie Rod Reinforcement Sleeves

    Fleece Performance
    $104.00 - $104.00
    $104.00
    $115.00
    $115.00 - $115.00
    $115.00

    Fleece Performance Model FPE-TIERODSLEEVESFleece Performance Tie Rod Sleeves are a must for any 99-10 GM 2500-3500HD pickup that utilizes four-whee...

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    $104.00 - $104.00
    $104.00
    $115.00
    $115.00 - $115.00
    $115.00
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    Fleece Performance 01-04 GM Duramax 6.6L LB7 High Flow LB7 Intake Horn

    Fleece Performance
    $129.00 - $129.00
    $129.00
    $144.00
    $144.00 - $144.00
    $144.00

    Fleece Performance Model FPE-INTAKEHORNIncrease your LB7?s potential with this simple, but effective upgrade. Back-to-back dyno pulls showed an inc...

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    $129.00 - $129.00
    $129.00
    $144.00
    $144.00 - $144.00
    $144.00
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    Fleece Performance 01-13 GM Duramax 6.6L Duramax CP3K (LBZ/LMM Based)

    Fleece Performance
    $1,677.00 - $1,677.00
    $1,677.00
    $1,863.00
    $1,863.00 - $1,863.00
    $1,863.00

    Fleece Performance Model FPE-DMAX-CP3KDesigned to eliminate the factory fuel flow restriction that begins at 3000 RPM;Correlates to lost horsepower...

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    $1,677.00 - $1,677.00
    $1,677.00
    $1,863.00
    $1,863.00 - $1,863.00
    $1,863.00
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    Fleece Performance 01-13 GM Duramax 6.6L Duramax PowerFlo 750 CP3 (LBZ/LMM Based)

    Fleece Performance
    $2,580.00 - $2,580.00
    $2,580.00
    $2,867.00
    $2,867.00 - $2,867.00
    $2,867.00

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

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    $2,580.00 - $2,580.00
    $2,580.00
    $2,867.00
    $2,867.00 - $2,867.00
    $2,867.00
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    Fleece Performance 03-05 GM Duramax 6.6L LB7 / LLY GM/Allison TapShifter

    Fleece Performance
    $515.00 - $515.00
    $515.00
    $573.00
    $573.00 - $573.00
    $573.00

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

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    $515.00 - $515.00
    $515.00
    $573.00
    $573.00 - $573.00
    $573.00
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    Fleece Performance 01-13 GM Duramax 6.6L Duramax Turbo Thermostat Delete Plug

    Fleece Performance
    $49.00 - $49.00
    $49.00
    $55.00
    $55.00 - $55.00
    $55.00

    Fleece Performance Model FPE-TURBO-THERMThe Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed...

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    $49.00 - $49.00
    $49.00
    $55.00
    $55.00 - $55.00
    $55.00
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    Fleece Performance 01-04 GM Duramax 6.6L LB7 Intake Air Heater Delete Plug

    Fleece Performance
    $49.00 - $49.00
    $49.00
    $55.00
    $55.00 - $55.00
    $55.00

    Fleece Performance Model FPE-LB7-IAH-DELETEThe Fleece Performance Intake Air Heater Delete is a simple way to remove the air intake heater on your ...

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    $49.00 - $49.00
    $49.00
    $55.00
    $55.00 - $55.00
    $55.00
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    Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY Turbo Vane Position Sensor Adapter Harness

    Fleece Performance
    $61.00 - $61.00
    $61.00
    $68.00
    $68.00 - $68.00
    $68.00

    Fleece Performance Model FPE-HAR-DMAX-VPS-ADPTOur Fleece Performance adapter harness allows the 2004.5-2005 LLY Duramax to run the updated turbo va...

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    $61.00 - $61.00
    $61.00
    $68.00
    $68.00 - $68.00
    $68.00
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    Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 4 & 5)

    Fleece Performance
    $91.00 - $91.00
    $91.00
    $101.00
    $101.00 - $101.00
    $101.00

    Fleece Performance Model FPE-FL-LLY-45LLY Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines from F...

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    $91.00 - $91.00
    $91.00
    $101.00
    $101.00 - $101.00
    $101.00
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    Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 3 & 6)

    Fleece Performance
    $91.00 - $91.00
    $91.00
    $101.00
    $101.00 - $101.00
    $101.00

    Fleece Performance Model FPE-FL-LLY-36LLY Duramax High Pressure Injection Line (Number 3 and Number 6). Replacement high pressure fuel lines from F...

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    $91.00 - $91.00
    $91.00
    $101.00
    $101.00 - $101.00
    $101.00
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    Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 2 & 7)

    Fleece Performance
    $91.00 - $91.00
    $91.00
    $101.00
    $101.00 - $101.00
    $101.00

    Fleece Performance Model FPE-FL-LLY-27LLY Duramax High Pressure Injection Line (Number 2 and Number 7). Replacement high pressure fuel lines from F...

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    $91.00 - $91.00
    $91.00
    $101.00
    $101.00 - $101.00
    $101.00
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    Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY High Pressure Injection Line (No. 1 & 8)

    Fleece Performance
    $91.00 - $91.00
    $91.00
    $101.00
    $101.00 - $101.00
    $101.00

    Fleece Performance Model FPE-FL-LLY-18LLY Duramax High Pressure Injection Line (Number 1 and Number 8). Replacement high pressure fuel lines from F...

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    $91.00 - $91.00
    $91.00
    $101.00
    $101.00 - $101.00
    $101.00
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    Fleece Performance 04.5-05 GM Duramax 2500-3500 LLY Remanufactured Freedom Cylinder Head (Passenger)

    Fleece Performance
    $1,419.00 - $1,419.00
    $1,419.00
    $1,576.00
    $1,576.00 - $1,576.00
    $1,576.00

    Fleece Performance Model FPE-61-10002-PIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...

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    $1,419.00 - $1,419.00
    $1,419.00
    $1,576.00
    $1,576.00 - $1,576.00
    $1,576.00
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    Fleece Performance 04.5-05 GM Duramax 2500-3500 LLY Remanufactured Freedom Cylinder Head (Driver)

    Fleece Performance
    $1,419.00 - $1,419.00
    $1,419.00
    $1,576.00
    $1,576.00 - $1,576.00
    $1,576.00

    Fleece Performance Model FPE-61-10002-DIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...

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    $1,419.00 - $1,419.00
    $1,419.00
    $1,576.00
    $1,576.00 - $1,576.00
    $1,576.00
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    Fleece 04-05 GM 2500/3500 Duramax High Pressure Injection Line Kit

    Fleece Performance
    $632.00 - $632.00
    $632.00
    $702.00
    $702.00 - $702.00
    $702.00

    Fleece Performance Model FPE-FL-DMAX-LLY-SETLLY Duramax High Pressure Injection Line Kit. Replacement high pressure fuel lines from Fleece Performa...

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    $632.00 - $632.00
    $632.00
    $702.00
    $702.00 - $702.00
    $702.00

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