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LLY Duramax Engine Parts

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    XDP Duramax Crankshaft Pin Kit XD331

    XDP
    $159.95 - $159.95
    $159.95
    $159.95 - $159.95
    $159.95

    XDP Model XD331 Avoid catastrophic engine failure from a sheared dowel pin in your 2001-2016 GM 6.6L Duramax with the XDP Duramax Crankshaft Pin K...

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    $159.95 - $159.95
    $159.95
    $159.95 - $159.95
    $159.95
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    Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized

    Wehrli
    $46.00
    $46.00 - $46.00
    $46.00
    $44.62
    $44.62 - $44.62
    $44.62

    Wehrli Model WCF100189Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized Kit includes two CNC machined...

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    $46.00
    $46.00 - $46.00
    $46.00
    $44.62
    $44.62 - $44.62
    $44.62
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    Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized

    Wehrli
    $51.00
    $51.00 - $51.00
    $51.00
    $49.47
    $49.47 - $49.47
    $49.47

    Wehrli Model WCF100442Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized Clean up the engine bay of your 2001-202...

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    $51.00
    $51.00 - $51.00
    $51.00
    $49.47
    $49.47 - $49.47
    $49.47
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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
    $89.99 - $89.99
    $89.99
    $99.99
    $99.99 - $99.99
    $99.99

    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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    $89.99 - $89.99
    $89.99
    $99.99
    $99.99 - $99.99
    $99.99
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    Fleece Performance 01-17 GM Duramax Billet Coolant Block Off Plate

    Fleece Performance
    $49.50 - $49.50
    $49.50
    $55.00
    $55.00 - $55.00
    $55.00

    Fleece Performance Model FPE-DMAX-CBOP2001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage a...

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    $49.50 - $49.50
    $49.50
    $55.00
    $55.00 - $55.00
    $55.00
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    Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Black

    Fleece Performance
    $35.99 - $35.99
    $35.99
    $39.99
    $39.99 - $39.99
    $39.99

    Fleece Performance Model FPE-DMAX-OC-BLKDress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lo...

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    $35.99 - $35.99
    $35.99
    $39.99
    $39.99 - $39.99
    $39.99
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    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set

    Mishimoto
    $100.00
    $100.00 - $100.00
    $100.00
    $90.95
    $90.95 - $90.95
    $90.95

      Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set Fits 2001-2021 Chevrolet/GMC 6.6L Duramax (see fitment char...

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    $100.00
    $100.00 - $100.00
    $100.00
    $90.95
    $90.95 - $90.95
    $90.95
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    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L High Temp Thermostat Set

    Mishimoto
    $98.00
    $98.00 - $98.00
    $98.00
    $88.95
    $88.95 - $88.95
    $88.95

    Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat The Mishimoto Chevrolet Duramax high temperature thermostats activ...

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    $98.00
    $98.00 - $98.00
    $98.00
    $88.95
    $88.95 - $88.95
    $88.95
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    XDP X220 Series Head Stud Kit XD3006HS

    XDP
    $524.95 - $524.95
    $524.95
    $524.95 - $524.95
    $524.95

    XDP Model XD3006HSThe XDP X220 Series Head Stud Kit XD3006HS is a must have for your high performance 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML...

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    $524.95 - $524.95
    $524.95
    $524.95 - $524.95
    $524.95
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    XDP DURAMAX CAT ADAPTER WITH 1R-0750 FILTER, BLEEDER SCREW & SPACER XD171

    XDP
    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95

    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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    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95
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    Performance Balancer Series - Diesel Performance Harmonic Balancer 01-05 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance

    XDP
    $613.95 - $613.95
    $613.95
    $613.95 - $613.95
    $613.95

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

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    $613.95 - $613.95
    $613.95
    $613.95 - $613.95
    $613.95
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    Premium Balancer Series - Stock Replacement Harmonic Balancer 01-05 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance

    XDP
    $421.95 - $421.95
    $421.95
    $421.95 - $421.95
    $421.95

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

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    $421.95 - $421.95
    $421.95
    $421.95 - $421.95
    $421.95
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    Fleece Performance 04.5-05 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtail

    Fleece Performance
    $69.99 - $69.99
    $69.99
    $69.99 - $69.99
    $69.99

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

    $69.99 - $69.99
    $69.99
    $69.99 - $69.99
    $69.99
  • XDP Flex Plate Bolt Kit XD656. XDP Flex Plate Bolt Kit XD656.

    XDP Flex Plate Bolt Kit XD656

    XDP
    $69.95 - $69.95
    $69.95
    $69.95 - $69.95
    $69.95

    XDP Model XD656 XDP Flex Plate Bolt Kit XD656

    $69.95 - $69.95
    $69.95
    $69.95 - $69.95
    $69.95
  • XDP Harmonic Balancer Bolt XD628. XDP Harmonic Balancer Bolt XD628.

    XDP Harmonic Balancer Bolt XD628

    XDP
    $20.95 - $20.95
    $20.95
    $20.95 - $20.95
    $20.95

    XDP Model XD628  

    $20.95 - $20.95
    $20.95
    $20.95 - $20.95
    $20.95
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    Wehrli 01-10 GM Lower Splash Shield Kit

    Wehrli
    $289.00
    $289.00 - $289.00
    $289.00
    $280.33
    $280.33 - $280.33
    $280.33

    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...

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    $289.00
    $289.00 - $289.00
    $289.00
    $280.33
    $280.33 - $280.33
    $280.33
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    GM Race Camshaft For 01-16 Duramax Alternate Firing Billet Stage 1 With Key Industrial Injection

    Industrial Injection
    $1,543.13 - $1,543.13
    $1,543.13
    $1,543.13 - $1,543.13
    $1,543.13

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

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    $1,543.13 - $1,543.13
    $1,543.13
    $1,543.13 - $1,543.13
    $1,543.13
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    Acdelco Speed Sensor 19300584 Fits; 2001-2007 Classic 2500hd 3500hd Truck (kr310)

    Kryptonite
    $56.99 - $56.99
    $56.99
    $56.99 - $56.99
    $56.99

    ACDelco Speed Sensor 19300584 Fits; 2001-2007 Classic 2500HD 3500HD Truck Replacement ABS Wheel Speed sensor for front wheel hub assembly Fits; 20...

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    $56.99 - $56.99
    $56.99
    $56.99 - $56.99
    $56.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line

    Fleece Performance
    $85.49 - $85.49
    $85.49
    $94.99
    $94.99 - $94.99
    $94.99

    Fleece Performance Model FPE-TL-LB7-LMM-MED-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line ...

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    $85.49 - $85.49
    $85.49
    $94.99
    $94.99 - $94.99
    $94.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line

    Fleece Performance
    $121.49 - $121.49
    $121.49
    $134.99
    $134.99 - $134.99
    $134.99

    Fleece Performance Model FPE-TL-LB7-LMM-LONG-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line ...

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    $121.49 - $121.49
    $121.49
    $134.99
    $134.99 - $134.99
    $134.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line

    Fleece Performance
    $68.39 - $68.39
    $68.39
    $75.99
    $75.99 - $75.99
    $75.99

    Fleece Performance Model FPE-TL-LB7-LLY-SHORT-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line...

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    $68.39 - $68.39
    $68.39
    $75.99
    $75.99 - $75.99
    $75.99
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    Fleece Performance 01-19 GM 2500/3500 Allison LCT/GM 4T65-E Internal Harness Connector & Seal (7pk)

    Fleece Performance
    $125.99 - $125.99
    $125.99
    $139.99
    $139.99 - $139.99
    $139.99

    Fleece Performance Model FPE-HAR-GM-LCT-SEAL-7PGet rid of oil leaks from the harness connector with our replacement internal wiring harness seal fo...

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    $125.99 - $125.99
    $125.99
    $139.99
    $139.99 - $139.99
    $139.99
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    Wehrli 2001-2007 Duramax LB7/LLY/LBZ Allison 4x4 Transfer Case Brace - WCFab Red

    Wehrli
    $204.00
    $204.00 - $204.00
    $204.00
    $197.88
    $197.88 - $197.88
    $197.88

    Wehrli Model WCF1001302001-2007 LB7/LLY/LBZ Duramax Allison Transfer Case Braces have been developed and tested for use on high horsepower Duramax ...

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    $204.00
    $204.00 - $204.00
    $204.00
    $197.88
    $197.88 - $197.88
    $197.88
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    Wehrli LLY / LBZ / LMM Duramax Turbo Compressor Inlet Billet Steel Flange

    Wehrli
    $39.00
    $39.00 - $39.00
    $39.00
    $37.83
    $37.83 - $37.83
    $37.83

    Wehrli Model WCF205-81Wehrli LLY / LBZ / LMM Duramax Turbo Compressor Inlet Billet Steel Flange

    $39.00
    $39.00 - $39.00
    $39.00
    $37.83
    $37.83 - $37.83
    $37.83
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Powerhouse Diesel