Skip to content
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.

LMM Duramax Engine Parts

  • XDP Duramax Crankshaft Pin Kit XD331

    XDP
    Original price $ 3,045.00 - Original price $ 3,045.00
    Original price
    $ 3,045.00
    $ 3,045.00 - $ 3,045.00
    Current price $ 3,045.00

    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...

    View full details
    Original price $ 3,045.00 - Original price $ 3,045.00
    Original price
    $ 3,045.00
    $ 3,045.00 - $ 3,045.00
    Current price $ 3,045.00
  • Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 878.00
    $ 878.00 - $ 878.00
    Current price $ 878.00

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

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 878.00
    $ 878.00 - $ 878.00
    Current price $ 878.00
  • Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 979.00
    $ 979.00 - $ 979.00
    Current price $ 979.00

    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...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 979.00
    $ 979.00 - $ 979.00
    Current price $ 979.00
  • Wehrli 01-16 Chevrolet 6.6L LB7/LLY/LBZ/LMM/LML Duramax Up Pipe Bolt Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 702.00
    $ 702.00 - $ 702.00
    Current price $ 702.00

    Wehrli Model WCF100240 ARP Bolt kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down pipe. 6 Washers and Bolts for installing 1 up pipe. Includes A...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 702.00
    $ 702.00 - $ 702.00
    Current price $ 702.00
  • Fleece Performance 01-17 GM Duramax Billet Coolant Block Off Plate

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,047.00
    $ 1,047.00 - $ 1,047.00
    Current price $ 1,047.00

    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...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,047.00
    $ 1,047.00 - $ 1,047.00
    Current price $ 1,047.00
  • ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit

    ARP
    Original price $ 579.00 - Original price $ 579.00
    Original price
    $ 579.00
    $ 579.00 - $ 579.00
    Current price $ 579.00

    ARP Model 129-2503ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit

    Original price $ 579.00 - Original price $ 579.00
    Original price
    $ 579.00
    $ 579.00 - $ 579.00
    Current price $ 579.00
  • Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set

    Mishimoto
    Original price $ 2,132.00
    Original price $ 2,132.00 - Original price $ 2,132.00
    Original price $ 2,132.00
    Current price $ 1,941.00
    $ 1,941.00 - $ 1,941.00
    Current price $ 1,941.00

    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...

    View full details
    Original price $ 2,132.00
    Original price $ 2,132.00 - Original price $ 2,132.00
    Original price $ 2,132.00
    Current price $ 1,941.00
    $ 1,941.00 - $ 1,941.00
    Current price $ 1,941.00
    Save 9% Save %
  • XDP Duramax Cat Adapter With 1R-0750 Filter, Bleeder Screw & Spacer XD171

    XDP
    Original price $ 2,093.00 - Original price $ 2,093.00
    Original price
    $ 2,093.00
    $ 2,093.00 - $ 2,093.00
    Current price $ 2,093.00

    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 ...

    View full details
    Original price $ 2,093.00 - Original price $ 2,093.00
    Original price
    $ 2,093.00
    $ 2,093.00 - $ 2,093.00
    Current price $ 2,093.00
  • Banks Power Pedal Monster Kit Aptiv GT 150 6 Way w/iDash Pro 07.5-19 Chevy 2500/3500 6.6L

    Banks Power
    Original price $ 15,608.00
    Original price $ 15,608.00 - Original price $ 15,608.00
    Original price $ 15,608.00
    Current price $ 14,047.00
    $ 14,047.00 - $ 14,047.00
    Current price $ 14,047.00

    Banks Power Model 64322-CPTotal Throttle Control. Unlike conventional cable throttles, where your pedal is directly attached to the engine's butter...

    View full details
    Original price $ 15,608.00
    Original price $ 15,608.00 - Original price $ 15,608.00
    Original price $ 15,608.00
    Current price $ 14,047.00
    $ 14,047.00 - $ 14,047.00
    Current price $ 14,047.00
    Save 10% Save %
  • Fleece Performance Duramax Remote Turbo Oil Feed Line Kit for 01-16 Duramax/w 1/4 NPT Oil Inlet

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,904.00
    $ 1,904.00 - $ 1,904.00
    Current price $ 1,904.00

    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...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 1,904.00
    $ 1,904.00 - $ 1,904.00
    Current price $ 1,904.00
  • Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Black

    Fleece Performance
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 762.00
    $ 762.00 - $ 762.00
    Current price $ 762.00

    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...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 762.00
    $ 762.00 - $ 762.00
    Current price $ 762.00
  • Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L High Temp Thermostat Set

    Mishimoto
    Original price $ 2,094.00
    Original price $ 2,094.00 - Original price $ 2,094.00
    Original price $ 2,094.00
    Current price $ 1,903.00
    $ 1,903.00 - $ 1,903.00
    Current price $ 1,903.00

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

    View full details
    Original price $ 2,094.00
    Original price $ 2,094.00 - Original price $ 2,094.00
    Original price $ 2,094.00
    Current price $ 1,903.00
    $ 1,903.00 - $ 1,903.00
    Current price $ 1,903.00
    Save 9% Save %
  • XDP X220 Series Head Stud Kit XD3006HS

    XDP
    Original price $ 9,992.00 - Original price $ 9,992.00
    Original price
    $ 9,992.00
    $ 9,992.00 - $ 9,992.00
    Current price $ 9,992.00

    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...

    View full details
    Original price $ 9,992.00 - Original price $ 9,992.00
    Original price
    $ 9,992.00
    $ 9,992.00 - $ 9,992.00
    Current price $ 9,992.00
  • XDP X-tra Cool Direct-fit Transmission Oil Cooler XD310

    XDP
    Original price $ 4,929.00 - Original price $ 4,929.00
    Original price
    $ 4,929.00
    $ 4,929.00 - $ 4,929.00
    Current price $ 4,929.00

    XDP Model XD310Upgrade the factory transmission cooler in your 2006-2010 GM 6.6L Duramax LBZ/LMM with the XDP X-TRA Cool Direct-Fit Transmission Oi...

    View full details
    Original price $ 4,929.00 - Original price $ 4,929.00
    Original price
    $ 4,929.00
    $ 4,929.00 - $ 4,929.00
    Current price $ 4,929.00
  • ARP 01-10 6.6L GM Duramax Diesel Flexplate Bolt Kit

    ARP
    Original price $ 1,865.00 - Original price $ 1,865.00
    Original price
    $ 1,865.00
    $ 1,865.00 - $ 1,865.00
    Current price $ 1,865.00

    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 $ 1,865.00 - Original price $ 1,865.00
    Original price
    $ 1,865.00
    $ 1,865.00 - $ 1,865.00
    Current price $ 1,865.00
  • ARP 01-10 6.6L GM Duramax Diesel Head Stud Kit

    ARP
    Original price $ 15,498.00 - Original price $ 15,498.00
    Original price
    $ 15,498.00
    $ 15,498.00 - $ 15,498.00
    Current price $ 15,498.00

    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 $ 15,498.00 - Original price $ 15,498.00
    Original price
    $ 15,498.00
    $ 15,498.00 - $ 15,498.00
    Current price $ 15,498.00
  • ARP 06+ Chevy Duramax Diesel LBZ/LMM Main Stud Kit

    ARP
    Original price $ 5,929.00 - Original price $ 5,929.00
    Original price
    $ 5,929.00
    $ 5,929.00 - $ 5,929.00
    Current price $ 5,929.00

    ARP Model 230-5402ARP 06+ Chevy Duramax Diesel LBZ/LMM Main Stud Kit

    Original price $ 5,929.00 - Original price $ 5,929.00
    Original price
    $ 5,929.00
    $ 5,929.00 - $ 5,929.00
    Current price $ 5,929.00
  • Banks Power Pedal Monster Kit Aptiv GT 150 6 Way w/iDash Data Pro 07.5-19 Chevy 2500/3500 6.6L

    Banks Power
    Original price $ 16,475.00
    Original price $ 16,475.00 - Original price $ 16,475.00
    Original price $ 16,475.00
    Current price $ 14,827.00
    $ 14,827.00 - $ 14,827.00
    Current price $ 14,827.00

    Banks Power Model 64323-CPTotal Throttle Control. Unlike conventional cable throttles, where your pedal is directly attached to the engine's butter...

    View full details
    Original price $ 16,475.00
    Original price $ 16,475.00 - Original price $ 16,475.00
    Original price $ 16,475.00
    Current price $ 14,827.00
    $ 14,827.00 - $ 14,827.00
    Current price $ 14,827.00
    Save 10% Save %
  • XDP Flex Plate Bolt Kit XD656

    XDP
    Original price $ 1,427.00 - Original price $ 1,427.00
    Original price
    $ 1,427.00
    $ 1,427.00 - $ 1,427.00
    Current price $ 1,427.00

    XDP Model XD656 XDP Flex Plate Bolt Kit XD656

    Original price $ 1,427.00 - Original price $ 1,427.00
    Original price
    $ 1,427.00
    $ 1,427.00 - $ 1,427.00
    Current price $ 1,427.00
  • XDP Harmonic Balancer Bolt XD628

    XDP
    Original price $ 475.00 - Original price $ 475.00
    Original price
    $ 475.00
    $ 475.00 - $ 475.00
    Current price $ 475.00

    XDP Model XD628

    Original price $ 475.00 - Original price $ 475.00
    Original price
    $ 475.00
    $ 475.00 - $ 475.00
    Current price $ 475.00
  • Wehrli 01-10 GM Lower Splash Shield Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 5,521.00
    $ 5,521.00 - $ 5,521.00
    Current price $ 5,521.00

    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
    $ 5,521.00
    $ 5,521.00 - $ 5,521.00
    Current price $ 5,521.00
  • Acdelco Speed Sensor 22873507 For 2007.5–2010 Chevy/GMC 2500HD/3500HD Trucks

    Kryptonite
    Original price $ 1,085.00 - Original price $ 1,085.00
    Original price
    $ 1,085.00
    $ 1,085.00 - $ 1,085.00
    Current price $ 1,085.00

    Fits; 2007.5-2010 2500HD 3500HD Truck DESCRIPTION: Replacement ABS Wheel Speed sensor for front wheel hub assembly on 2007.5 or newer models up to ...

    View full details
    Original price $ 1,085.00 - Original price $ 1,085.00
    Original price
    $ 1,085.00
    $ 1,085.00 - $ 1,085.00
    Current price $ 1,085.00
  • GM Race Camshaft For 01-16 Duramax Alternate Firing Billet Stage 1 With Key Industrial Injection

    Industrial Injection
    Original price $ 34,545.00
    Original price $ 34,545.00 - Original price $ 34,545.00
    Original price $ 34,545.00
    Current price $ 33,509.00
    $ 33,509.00 - $ 33,509.00
    Current price $ 33,509.00

    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 $ 34,545.00
    Original price $ 34,545.00 - Original price $ 34,545.00
    Original price $ 34,545.00
    Current price $ 33,509.00
    $ 33,509.00 - $ 33,509.00
    Current price $ 33,509.00
    Save 3% Save %
  • 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
    $ 1,447.00
    $ 1,447.00 - $ 1,447.00
    Current price $ 1,447.00

    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
    $ 1,447.00
    $ 1,447.00 - $ 1,447.00
    Current price $ 1,447.00

Powerhouse Diesel