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LLY Duramax Parts

Parts for the LLY Duramax (2004.5 to 2005).

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  • GM Injector Hold Downs For 02-10 6.6L Duramax With ARP Bolts Industrial Injection

    Industrial Injection
    Original price $1,125.00
    Original price $1,125.00 - Original price $1,125.00
    Original price $1,125.00
    Current price $1,091.00
    $1,091.00 - $1,091.00
    Current price $1,091.00

    Industrial Injection Model: PDM-08382Billet Injector Hold Downs With Heavy Duty ARP Bolts. Industrial Injection Performance Diesel Machine Line of ...

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    Original price $1,125.00
    Original price $1,125.00 - Original price $1,125.00
    Original price $1,125.00
    Current price $1,091.00
    $1,091.00 - $1,091.00
    Current price $1,091.00
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  • GM Injector Return Line Kit For 2004.5-2010 Duramax Industrial Injection

    Industrial Injection
    Original price $42.00 - Original price $42.00
    Original price
    $42.00
    $42.00 - $42.00
    Current price $42.00

    Industrial Injection Model: RTF26410This kit includes the return adapters and o-rings, adapter retaining clips, and a length of return line hose su...

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    Original price $42.00 - Original price $42.00
    Original price
    $42.00
    $42.00 - $42.00
    Current price $42.00
  • Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 4 and 5

    Industrial Injection
    Original price $136.00 - Original price $136.00
    Original price
    $136.00
    $136.00 - $136.00
    Current price $136.00

    Model: AP637222001-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 4 and 5This Part Fits: Year Make Model Submodel 2001-2004 C...

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    Original price $136.00 - Original price $136.00
    Original price
    $136.00
    $136.00 - $136.00
    Current price $136.00
  • Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 3 and 6

    Industrial Injection
    Original price $136.00 - Original price $136.00
    Original price
    $136.00
    $136.00 - $136.00
    Current price $136.00

    Alliant Power Model: AP6372101-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 3 and 6This Part Fits: Year Make Model Submodel ...

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    Original price $136.00 - Original price $136.00
    Original price
    $136.00
    $136.00 - $136.00
    Current price $136.00
  • Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 2 and 7

    Industrial Injection
    Original price $136.00 - Original price $136.00
    Original price
    $136.00
    $136.00 - $136.00
    Current price $136.00

    Model: AP637232001-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 2 and 7This Part Fits: Year Make Model Submodel 2001-2004 C...

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    Original price $136.00 - Original price $136.00
    Original price
    $136.00
    $136.00 - $136.00
    Current price $136.00
  • Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 1 and 8

    Industrial Injection
    Original price $136.00 - Original price $136.00
    Original price
    $136.00
    $136.00 - $136.00
    Current price $136.00

    Model: AP63720Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 1 and 8This Part Fits: Year Make Model Submodel ...

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    Original price $136.00 - Original price $136.00
    Original price
    $136.00
    $136.00 - $136.00
    Current price $136.00
  • Gm Injector Screw In Cups For 2001-2004.5 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    Original price $1,026.00
    Original price $1,026.00 - Original price $1,026.00
    Original price $1,026.00
    Current price $995.00
    $995.00 - $995.00
    Current price $995.00

    Industrial Injection Model: PDM-07020The factory injector cups are known for leaking, pitting and seizing themselves to the injectors in your LB7. ...

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    Original price $1,026.00
    Original price $1,026.00 - Original price $1,026.00
    Original price $1,026.00
    Current price $995.00
    $995.00 - $995.00
    Current price $995.00
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  • BD Diesel R900 12mm Stroker Performance CP3 2001-2010 6.6L Duramax LB7 LLY LBZ LMM

    BD Diesel
    Original price $3,657.00 - Original price $3,657.00
    Original price $3,657.00
    $3,732.00
    $3,732.00 - $3,732.00
    Current price $3,732.00

    High flow capacity CP3 pump that drops into the stock location and provides enough fuel flow for up to 800 wheel horsepower applications. Engineere...

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    Original price $3,657.00 - Original price $3,657.00
    Original price $3,657.00
    $3,732.00
    $3,732.00 - $3,732.00
    Current price $3,732.00
  • GM Injector Hold Downs For 01-04 LB7 Duramax Billet With ARP Bolts Industrial Injection

    Industrial Injection
    Original price $1,125.00
    Original price $1,125.00 - Original price $1,125.00
    Original price $1,125.00
    Current price $1,091.00
    $1,091.00 - $1,091.00
    Current price $1,091.00

    Industrial Injection Model: PDM-083772001-04 LB7 Billet Injector Hold Downs w/Arp Bolts And Install HardwareNew addition to the Industrial Injectio...

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    Original price $1,125.00
    Original price $1,125.00 - Original price $1,125.00
    Original price $1,125.00
    Current price $1,091.00
    $1,091.00 - $1,091.00
    Current price $1,091.00
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  • Fleece Performance 01-13 GM Duramax 6.6L Duramax CP3K (LBZ/LMM Based)

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,976.00
    $1,976.00 - $1,976.00
    Current price $1,976.00

    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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,976.00
    $1,976.00 - $1,976.00
    Current price $1,976.00
  • BD Diesel Flow-MaX Tank Sump Kit

    BD Diesel
    Original price $248.00 - Original price $248.00
    Original price $248.00
    $285.00
    $285.00 - $285.00
    Current price $285.00

    Maximize the amount of usable fuel in your tank by accesing the supply from the bottom. No removal of the fuel tank is required - simply drill a 3-...

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    Original price $248.00 - Original price $248.00
    Original price $248.00
    $285.00
    $285.00 - $285.00
    Current price $285.00
  • BD Diesel Injection Pump Stock Exchange CP3 - Chevy 2001-2004 Duramax 6.6L LB7

    BD Diesel
    Original price $1,256.00 - Original price $1,256.00
    Original price $1,256.00
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00

    BD Diesel Stock Remanufactured CP3 Injection Pump- 2001-2004 LB7 Duramax 6.6L This Part Fits: Year Make Model Submodel 2001-2004 Chevrolet S...

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    Original price $1,256.00 - Original price $1,256.00
    Original price $1,256.00
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00
  • BD Diesel Flow-MaX Monster 1/2" Line Kit

    BD Diesel
    Original price $245.00 - Original price $245.00
    Original price $245.00
    $264.00
    $264.00 - $264.00
    Current price $264.00

    Features Maximizes your fuel flow to the injection pump by removing the restrictive factory supply line and fitting 1/2" fuel line from lift p...

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    Original price $245.00 - Original price $245.00
    Original price $245.00
    $264.00
    $264.00 - $264.00
    Current price $264.00
  • BD Diesel Stock Replacement Injector 2001-2004 LB7 Duramax

    BD Diesel
    Original price $463.00 - Original price $463.00
    Original price $463.00
    $488.00
    $488.00 - $488.00
    Current price $488.00

    BD-Built Stock replacement injectors are OE quality, assembled using OE procedures, and fully calibrated and tested to ensure perfect operatio...

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    Original price $463.00 - Original price $463.00
    Original price $463.00
    $488.00
    $488.00 - $488.00
    Current price $488.00
  • BD Diesel 2001-2004 Chevy Duramax LB7 Premium Performance Plus Injector (0986435502)

    BD Diesel
    Original price $509.00 - Original price $509.00
    Original price $509.00
    $547.00
    $547.00 - $547.00
    Current price $547.00

    BD Diesel Performance is unique among its peers in that it designs, manufactures and distributes a wide range of products specifically engineered f...

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    Original price $509.00 - Original price $509.00
    Original price $509.00
    $547.00
    $547.00 - $547.00
    Current price $547.00
  • BD Diesel Reman Injector Set With Install Kit 2001-2004 LB7 Duramax 6.6L

    BD Diesel
    Original price $3,803.00 - Original price $3,803.00
    Original price $3,803.00
    $4,028.00
    $4,028.00 - $4,028.00
    Current price $4,028.00

    All-in-one kit for doing an injector install on an LB7 Duramax engine. Includes BD-Built stock replacement injectors (8) injector lines (8), valve ...

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    Original price $3,803.00 - Original price $3,803.00
    Original price $3,803.00
    $4,028.00
    $4,028.00 - $4,028.00
    Current price $4,028.00
  • aFe Power DFS780 Series 01-10 GM Diesel Trucks V8-6.6L (td) Boost Activated

    aFe
    Original price $1,465.00 - Original price $1,465.00
    Original price
    $1,465.00
    $1,465.00 - $1,465.00
    Current price $1,465.00

    The diesel fuel in your truck contains contaminants dirt, water and air/vapor which is reducing power and damaging your diesel fuel injectors. aFe'...

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    Original price $1,465.00 - Original price $1,465.00
    Original price
    $1,465.00
    $1,465.00 - $1,465.00
    Current price $1,465.00
  • aFe DFS780 Fuel Pump Pro Series 01-16 GM Diesel Trucks V8 6.6L (td)

    aFe
    Original price $1,184.00 - Original price $1,184.00
    Original price
    $1,184.00
    $1,184.00 - $1,184.00
    Current price $1,184.00

    Billet 6061-T6 Aluminum Manifold: Eliminates porosity concerns with cast aluminum. Contoured CNC Machining Of Manifold Passages: Enhances flow thro...

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    Original price $1,184.00 - Original price $1,184.00
    Original price
    $1,184.00
    $1,184.00 - $1,184.00
    Current price $1,184.00
  • aFe Diesel Fuel Systems DFS780 Series 01-10 GM Diesel 6.6L V8 (Full Time Operation)

    aFe
    Original price $1,465.00 - Original price $1,465.00
    Original price
    $1,465.00
    $1,465.00 - $1,465.00
    Current price $1,465.00

    The diesel fuel in your truck contains contaminants dirt, water and air/vapor which is reducing power and damaging your diesel fuel injectors. aFe'...

    View full details
    Original price $1,465.00 - Original price $1,465.00
    Original price
    $1,465.00
    $1,465.00 - $1,465.00
    Current price $1,465.00
  • Yukon Gear 3 Qt. Penzoil 80W90 Conventional Gear Oil

    Yukon Gear & Axle
    Original price $59.00 - Original price $59.00
    Original price
    $59.00
    $59.00 - $59.00
    Current price $59.00

    Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.Installation InstructionsThis Part Fits...

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    Original price $59.00 - Original price $59.00
    Original price
    $59.00
    $59.00 - $59.00
    Current price $59.00
  • Yukon Gear Redline Synthetic Shock Proof Oil w/ Positraction Additive. 3 Quarts

    Yukon Gear & Axle
    Original price $166.00 - Original price $166.00
    Original price
    $166.00
    $166.00 - $166.00
    Current price $166.00

    Includes three quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive.This Part Fits: Year Make Model Submodel 1980 ...

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    Original price $166.00 - Original price $166.00
    Original price
    $166.00
    $166.00 - $166.00
    Current price $166.00
  • Yukon Gear 3 Qt. 80W90 Conventional Gear Oil w/Posi Additive

    Yukon Gear & Axle
    Original price $74.00 - Original price $74.00
    Original price
    $74.00
    $74.00 - $74.00
    Current price $74.00

    Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil ...

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    Original price $74.00 - Original price $74.00
    Original price
    $74.00
    $74.00 - $74.00
    Current price $74.00
  • WeatherTech 07 Chevrolet Sliverado Classic No Drill Mudflaps - Black

    WeatherTech
    Original price $153.00 - Original price $153.00
    Original price
    $153.00
    $153.00 - $153.00
    Current price $153.00

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

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    Original price $153.00 - Original price $153.00
    Original price
    $153.00
    $153.00 - $153.00
    Current price $153.00
  • WeatherTech 03-06 Chevrolet Silverado Lampgard

    WeatherTech
    Original price $109.00 - Original price $109.00
    Original price
    $109.00
    $109.00 - $109.00
    Current price $109.00

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

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    Original price $109.00 - Original price $109.00
    Original price
    $109.00
    $109.00 - $109.00
    Current price $109.00

The LLY Duramax powered 2004.5 to 2005 Chevy Silverado HD and GMC Sierra HD trucks. It was the first Duramax with a variable geometry turbo and EGR, which helps it spool faster than the LB7.

Shop LLY Duramax Parts by Category

Not sure what fits? Send us your VIN or call 865.640.2097 and we will match the right part.

LLY Duramax FAQ

What is different about the LLY versus the LB7?

The LLY added a variable geometry turbo and EGR for faster spool and lower emissions.

Are LLY trucks known for overheating?

Some early LLY trucks ran hotter under load. Upgraded cooling parts are a common fix for trucks that tow heavy.

Powerhouse Diesel