Skip to content
Free Shipping on most orders over $150.00    Sale on Select DDP Products Shop Now                    
Free Shipping on most orders over $150.00    Sale on Select DDP Products Shop Now                    

LLY Duramax Engine Parts

  • XDP Direct Replacement High Output 220 Amp Alternator XD224

    XDP
    Original price $433.00 - Original price $433.00
    Original price
    $433.00
    $433.00 - $433.00
    Current price $433.00

    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 ...

    View full details
    Original price $433.00 - Original price $433.00
    Original price
    $433.00
    $433.00 - $433.00
    Current price $433.00
  • Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Driver Side)

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,730.00
    $1,730.00 - $1,730.00
    Current price $1,730.00

    Fleece Performance Model FPE-61-10001-D-CLFreedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and m...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,730.00
    $1,730.00 - $1,730.00
    Current price $1,730.00
  • Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Pssgr Side)

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,730.00
    $1,730.00 - $1,730.00
    Current price $1,730.00

    Fleece Performance Model FPE-61-10001-P-CLFreedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and m...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,730.00
    $1,730.00 - $1,730.00
    Current price $1,730.00
  • Fleece Performance 01-04 GM 2500/3500 Duramax LB7 Outer Injector Connector Pigtail

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $44.00
    $44.00 - $44.00
    Current price $44.00

    Fleece Performance Model FPE-HAR-DMAX-LB7-INJ-PTReplacement connector with 6 inch pigtail for use on the 6.6L Duramax engine and other vehicle appl...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $44.00
    $44.00 - $44.00
    Current price $44.00
  • Fleece Performance 06-10 GM 2500/3500 Duramax Replacement Transmission Line (LBZ/LMM) - Short Line

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $116.00
    $116.00 - $116.00
    Current price $116.00

    Fleece Performance Model FPE-TL-LBZ-LMM-SHORT-SERFleece Performance 06-10 GM 2500/3500 Duramax Replacement Transmission Line (LBZ/LMM) - Short Line...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $116.00
    $116.00 - $116.00
    Current price $116.00
  • Fleece Performance 01-04 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtails

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $116.00
    $116.00 - $116.00
    Current price $116.00

    Fleece Performance Model FPE-HAR-GM-NSBU-0104Fleece Performance 01-04 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtails Replacement NSBU ...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $116.00
    $116.00 - $116.00
    Current price $116.00
  • Yukon Gear Dana M300/Dana S135 Carrier Bearing Kit - 2.953in ID/ 4.370in OD

    Yukon Gear & Axle
    Original price $223.00 - Original price $223.00
    Original price
    $223.00
    $223.00 - $223.00
    Current price $223.00

    Yukon Gear & Axle Model CK FF001Yukon Carrier Installation Kits are a convenient and low-cost solution for carrier changes in cases where one i...

    View full details
    Original price $223.00 - Original price $223.00
    Original price
    $223.00
    $223.00 - $223.00
    Current price $223.00
  • Yukon Gear 20-26 Chevrolet Silverado 2500 HD Axle Differential Bearing and Seal Kit

    Yukon Gear & Axle
    Original price $810.00 - Original price $810.00
    Original price
    $810.00
    $810.00 - $810.00
    Current price $810.00

    Yukon Gear & Axle Model YK GM9.25IFS-CYukon Gear & Axle Master Overhaul Kit for 2020+ General Motors 9.25" IFS, Includes Side Bearings and ...

    View full details
    Original price $810.00 - Original price $810.00
    Original price
    $810.00
    $810.00 - $810.00
    Current price $810.00
  • Banks Power Pedal Monster Kit Molex MX64 6 Way With iDash Data Pro

    Banks Power
    Original price $1,211.00
    Original price $1,211.00 - Original price $1,211.00
    Original price $1,211.00
    Current price $1,090.00
    $1,090.00 - $1,090.00
    Current price $1,090.00

    Banks Power Model 64313-PMonster-Ram Intake and Killer Grid Heater Upgrade (Chassis Cab) for 2007.5-2012 Ram 3500-5500 6.7L Cummins Chassis-Cab Only

    Original price $1,211.00
    Original price $1,211.00 - Original price $1,211.00
    Original price $1,211.00
    Current price $1,090.00
    $1,090.00 - $1,090.00
    Current price $1,090.00
    Save 10% Save %
  • AMP Research 01-06 GMC Sierra 1500 HD Powerstep Wiring Harness w/ Connector

    AMP Research
    Original price $58.00 - Original price $58.00
    Original price
    $58.00
    $58.00 - $58.00
    Current price $58.00

    Getting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invested in POWERSTEP, the automatic, electric-powered ...

    View full details
    Original price $58.00 - Original price $58.00
    Original price
    $58.00
    $58.00 - $58.00
    Current price $58.00
  • Banks Power Pedal Monster Kit Molex MX64 6 Way With iDash Pro

    Banks Power
    Original price $1,145.00
    Original price $1,145.00 - Original price $1,145.00
    Original price $1,145.00
    Current price $1,031.00
    $1,031.00 - $1,031.00
    Current price $1,031.00

    Banks Power Model 64312-PTotal Throttle Control. Unlike conventional cable throttles, where your pedal is directly attached to the engine's butterf...

    View full details
    Original price $1,145.00
    Original price $1,145.00 - Original price $1,145.00
    Original price $1,145.00
    Current price $1,031.00
    $1,031.00 - $1,031.00
    Current price $1,031.00
    Save 10% Save %
  • ARP Chevy/GM 6.6L Duramax Diesel Rod Bolt Kit

    ARP
    Original price $400.00 - Original price $400.00
    Original price
    $400.00
    $400.00 - $400.00
    Current price $400.00

    ARP Model 230-6301ARP Chevy/GM 6.6L Duramax Diesel Rod Bolt KitThis Part Fits: Year Make Model Submodel 2006-2012 Chevrolet Express 2500 Base ...

    View full details
    Original price $400.00 - Original price $400.00
    Original price
    $400.00
    $400.00 - $400.00
    Current price $400.00
  • ARP 01-10 6.6L GM Duramax CA625+ Diesel Head Stud Kit

    ARP
    Original price $3,169.00 - Original price $3,169.00
    Original price
    $3,169.00
    $3,169.00 - $3,169.00
    Current price $3,169.00

    ARP Model 230-4202ARP 01-10 6.6L GM Duramax CA625+ Diesel Head Stud KitThis Part Fits: Year Make Model Submodel 2006-2013 Chevrolet Express 2500...

    View full details
    Original price $3,169.00 - Original price $3,169.00
    Original price
    $3,169.00
    $3,169.00 - $3,169.00
    Current price $3,169.00
  • ARP 01-06 6.6L GM Duramax Diesel Flywheel Bolt Kit

    ARP
    Original price $139.00 - Original price $139.00
    Original price
    $139.00
    $139.00 - $139.00
    Current price $139.00

    ARP Model 230-2801ARP 01-06 6.6L GM Duramax Diesel Flywheel Bolt KitThis Part Fits: Year Make Model Submodel 2006-2012 Chevrolet Express 2500 Ba...

    View full details
    Original price $139.00 - Original price $139.00
    Original price
    $139.00
    $139.00 - $139.00
    Current price $139.00
  • ARP 01-10 6.6L GM Duramax Diesel Flexplate Bolt Kit

    ARP
    Original price $142.00 - Original price $142.00
    Original price
    $142.00
    $142.00 - $142.00
    Current price $142.00

    ARP Model 230-2901ARP 01-10 6.6L GM Duramax Diesel Flexplate Bolt KitThis Part Fits: Year Make Model Submodel 2006-2012 Chevrolet Express 2500 B...

    View full details
    Original price $142.00 - Original price $142.00
    Original price
    $142.00
    $142.00 - $142.00
    Current price $142.00
  • ARP 01-10 6.6L GM Duramax Diesel Head Stud Kit

    ARP
    Original price $1,175.00 - Original price $1,175.00
    Original price
    $1,175.00
    $1,175.00 - $1,175.00
    Current price $1,175.00

    ARP Model 230-4201ARP 01-10 6.6L GM Duramax Diesel Head Stud KitThis Part Fits: Year Make Model Submodel 2006-2013 Chevrolet Express 2500 Base ...

    View full details
    Original price $1,175.00 - Original price $1,175.00
    Original price
    $1,175.00
    $1,175.00 - $1,175.00
    Current price $1,175.00
  • ARP 05 & Earlier Chevy Duramax Diesel LB7/LLY Main Stud Kit

    ARP
    Original price $444.00 - Original price $444.00
    Original price
    $444.00
    $444.00 - $444.00
    Current price $444.00

    ARP Model 230-5401ARP 05 & Earlier Chevy Duramax Diesel LB7/LLY Main Stud Kit

    Original price $444.00 - Original price $444.00
    Original price
    $444.00
    $444.00 - $444.00
    Current price $444.00
  • Performance Balancer Series - Diesel Performance Harmonic Balancer 01-05 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance

    XDP
    Original price $974.00 - Original price $974.00
    Original price
    $974.00
    $974.00 - $974.00
    Current price $974.00

    Upgrade your high-performance GM 6.6L Duramax LML/LGH with XDP Performance Balancer Series - Diesel Performance Harmonic Balancer XD722. High-perfo...

    View full details
    Original price $974.00 - Original price $974.00
    Original price
    $974.00
    $974.00 - $974.00
    Current price $974.00
  • Premium Balancer Series - Stock Replacement Harmonic Balancer 01-05 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance

    XDP
    Original price $671.00 - Original price $671.00
    Original price
    $671.00
    $671.00 - $671.00
    Current price $671.00

    The XDP Premium Balancer Series - Stock Replacement Harmonic Balancer XD709 is an ideal replacement for the worn harmonic balancer on your GM 6.6L ...

    View full details
    Original price $671.00 - Original price $671.00
    Original price
    $671.00
    $671.00 - $671.00
    Current price $671.00
  • Fleece Performance 04.5-05 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtail

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $101.00
    $101.00 - $101.00
    Current price $101.00

    Fleece Performance Model FPE-HAR-GM-NSBU-0405Fleece Performance 04.5-05 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtail Replacement NSBU...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $101.00
    $101.00 - $101.00
    Current price $101.00
  • XDP Flex Plate Bolt Kit XD656

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

    XDP Model XD656 XDP Flex Plate Bolt Kit XD656

    Original price $109.00 - Original price $109.00
    Original price
    $109.00
    $109.00 - $109.00
    Current price $109.00
  • Wehrli 01-10 GM Lower Splash Shield Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $419.00
    $419.00 - $419.00
    Current price $419.00

    Wehrli Model WCF100463 The WCFab Splash Shield Kit for 2001-2010 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $419.00
    $419.00 - $419.00
    Current price $419.00
  • GM Race Camshaft For 01-16 Duramax Alternate Firing Billet Stage 1 With Key Industrial Injection

    Industrial Injection
    Original price $2,619.00
    Original price $2,619.00 - Original price $2,619.00
    Original price $2,619.00
    Current price $2,540.00
    $2,540.00 - $2,540.00
    Current price $2,540.00

    Industrial Injection Model: PDM-DMXAFS1Duramax Alternate Firing Billet Race Camshaft w/ Key Features: 1000+hp Capable Alternate Firing Order (rel...

    View full details
    Original price $2,619.00
    Original price $2,619.00 - Original price $2,619.00
    Original price $2,619.00
    Current price $2,540.00
    $2,540.00 - $2,540.00
    Current price $2,540.00
    Save 3% Save %
  • Acdelco Speed Sensor 19300584 For 2001–2007 Classic Chevy/GMC 2500HD/3500HD Trucks

    Kryptonite
    Original price $83.00 - Original price $83.00
    Original price
    $83.00
    $83.00 - $83.00
    Current price $83.00

    Fits; 2001-2007 Classic Body 2500HD 3500HD Truck DESRIPTION Replacement ABS Wheel Speed sensor for front wheel hub assembly on 2001-2007 model...

    View full details
    Original price $83.00 - Original price $83.00
    Original price
    $83.00
    $83.00 - $83.00
    Current price $83.00

Powerhouse Diesel