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LMM Duramax Engine Parts

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    Wehrli 01-10 GM Lower Splash Shield Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $290.03
    $290.03 - $290.03
    $290.03

    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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    $0.00 - $0.00
    $0.00
    $290.03
    $290.03 - $290.03
    $290.03
    Select Options
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    GM Race Camshaft For 01-16 Duramax Alternate Firing Billet Stage 1 With Key Industrial Injection

    Industrial Injection
    $1,814.95
    $1,814.95 - $1,814.95
    $1,814.95
    $1,760.50
    $1,760.50 - $1,760.50
    $1,760.50

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

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    $1,814.95
    $1,814.95 - $1,814.95
    $1,814.95
    $1,760.50
    $1,760.50 - $1,760.50
    $1,760.50
    Save 3% Save %
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    Fleece Performance 06-10 GM 2500/3500 Duramax Replacement Transmission Line (LBZ/LMM) - Short Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99

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

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    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99
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    Fleece Performance 01-19 GM 2500/3500 Allison LCT/GM 4T65-E Internal Harness Connector & Seal (7pk)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $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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    $0.00 - $0.00
    $0.00
    $139.99
    $139.99 - $139.99
    $139.99
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    Speedometer Calibrator | Chevy/GMC 1500/2500HD/3500HD (07-18 & Classic)

    Rough Country
    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95

    Put the finishing touch on your lifted vehicle with Rough Country's Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps y...

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    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95
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    Fleece Performance 01-19 GM 2500/3500 34V Duramax Billet Rocker Arm Bridges

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $512.54
    $512.54 - $512.54
    $512.54

    Fleece Performance Model FPE-BRAB-D1Fleece Performance billet rocker arm bridges for the GM Duramax. These bridges offer a massive 2.5-time strengt...

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    $0.00 - $0.00
    $0.00
    $512.54
    $512.54 - $512.54
    $512.54
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    GM Race Heads For 06-10 LBZ LMM 6.6L Duramax Industrial Injection

    Industrial Injection
    $3,995.95
    $3,995.95 - $3,995.95
    $3,995.95
    $3,876.07
    $3,876.07 - $3,876.07
    $3,876.07

    Industrial Injection Model: PDM-LBZ/LMMRH The Industrial Injection LBZ/LMM Duramax Race Heads are designed for the racer / sled puller in mind. Ful...

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    $3,995.95
    $3,995.95 - $3,995.95
    $3,995.95
    $3,876.07
    $3,876.07 - $3,876.07
    $3,876.07
    Save 3% Save %
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    Exergy Rail Fitting for HP Line into PRV Location LLY/LBZ/LMM & Cummins 6.7L

    Exergy
    $77.00 - $77.00
    $77.00
    $77.00 - $77.00
    $77.00

    Exergy Rail Fitting for HP Line into PRV Location LLY/LBZ/LMM & Cummins 6.7L. Sold and shipped by Powerhouse Diesel, a diesel repair and perfor...

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    $77.00 - $77.00
    $77.00
    $77.00 - $77.00
    $77.00
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    Exergy Port to Female M18x1.5 Cummins 6.7 / Duramax LLY/LBZ/LMM

    Exergy
    $116.00 - $116.00
    $116.00
    $116.00 - $116.00
    $116.00

    Exergy Port to Female M18x1.5 Cummins 6.7 / Duramax LLY/LBZ/LMM. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Kno...

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    $116.00 - $116.00
    $116.00
    $116.00 - $116.00
    $116.00
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    Exergy PRV Plug w/O-Ring Cummins 6.7L/LLY/LBZ/LMM (Diagnostic Purposes Only)

    Exergy
    $64.00 - $64.00
    $64.00
    $64.00 - $64.00
    $64.00

    Exergy PRV Plug without Ring Cummins 6.7L/LLY/LBZ/LMM (Diagnostic Purposes Only). Sold and shipped by Powerhouse Diesel, a diesel repair and perfor...

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    $64.00 - $64.00
    $64.00
    $64.00 - $64.00
    $64.00
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    Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $198.85
    $198.85 - $198.85
    $198.85

    Wehrli Model WCF100378Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit -Stainless Braided #8 Drain Line 30"-Stainless Braided #...

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    $0.00 - $0.00
    $0.00
    $198.85
    $198.85 - $198.85
    $198.85
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    Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized

    Wehrli
    $0.00 - $0.00
    $0.00
    $51.41
    $51.41 - $51.41
    $51.41

    Wehrli Model WCF100443Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized -CNC Machined Billet Aluminum GM factory...

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    $0.00 - $0.00
    $0.00
    $51.41
    $51.41 - $51.41
    $51.41
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    Wehrli 04.5-10 Duramax LLY/LBZ/LMM Billet Upper Valve Cover Set

    Wehrli
    $0.00 - $0.00
    $0.00
    $363.75
    $363.75 - $363.75
    $363.75

    Wehrli Model WCF100415 WCFab Billet Aluminum Upper Valve Cover sets fit LLY, LBZ, and LMM Duramax and are a great way to clean up your engine's app...

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    $0.00 - $0.00
    $0.00
    $363.75
    $363.75 - $363.75
    $363.75
    Select Options
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    Wehrli 01-10 Chevrolet 6.6L Duramax Valley CP3 Block Off Plate

    Wehrli
    $0.00 - $0.00
    $0.00
    $72.75
    $72.75 - $72.75
    $72.75

    Wehrli Model WCF100024Billet Block Off plate for valley CP3 pump. Black anodized finish with engraved logo.

    $0.00 - $0.00
    $0.00
    $72.75
    $72.75 - $72.75
    $72.75
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    Fleece Performance 06-16 GM 2500/3500 Duramax Vane Position Sensor Pigtail (LBZ/LMM/LML)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $28.99
    $28.99 - $28.99
    $28.99

    Fleece Performance Model FPE-HAR-DMAX-VPS-0616Replacement connector with 6 inch pigtail for use on the 2006-2016 6.6L Duramax turbocharger vane pos...

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    $0.00 - $0.00
    $0.00
    $28.99
    $28.99 - $28.99
    $28.99
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    Fleece Performance 06-10 GM Duramax 2500-3500 LBZ/LMM Remanufactured Freedom Cylinder Head (Driver)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00

    Fleece Performance Model FPE-61-10003-DIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...

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    $0.00 - $0.00
    $0.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00
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    Fleece Performance 06-10 GM Duramax 2500-3500 LBZ/LMM Remanufactured Freedom Cyl Head (Passenger)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00

    Fleece Performance Model FPE-61-10003-PIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...

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    $0.00 - $0.00
    $0.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00
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    Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Red

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99

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

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    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99
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    Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Blue

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99

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

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    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99
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    Fleece Performance 01-13 GM Duramax 6.6L 1.5in T4 Pedestal Spacer

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $119.74
    $119.74 - $119.74
    $119.74

    Fleece Performance Model FPE-T4PED-SPACER1.5This black 1.5in T4 Pedestal Spacer is designed for use with T4 Turbos installed on Duramax engines whe...

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    $0.00 - $0.00
    $0.00
    $119.74
    $119.74 - $119.74
    $119.74
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    Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Seal Kit (O-Ring & Copper Gasket) - Set of 8

    Exergy
    $60.00 - $60.00
    $60.00
    $60.00 - $60.00
    $60.00

    Exergy 2004.5 to 2010 Chevrolet Duramax 6.6L LLY/LBZ/LMM Seal Kit (O Ring & Copper Gasket), Set of 8. Sold and shipped by Powerhouse Diesel, a ...

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    $60.00 - $60.00
    $60.00
    $60.00 - $60.00
    $60.00
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    ARP Duramax 6.6L LBZ/LLY/LML/LMM Hex Valve Cover Bolt Kit - Polished Stainless Steel

    ARP
    $186.06 - $186.06
    $186.06
    $186.06 - $186.06
    $186.06

    ARP Duramax 6.6L LBZ/LLY/LML/LMM Hex Valve Cover Bolt Kit, Polished Stainless Steel. Sold and shipped by Powerhouse Diesel, a diesel repair and per...

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    $186.06 - $186.06
    $186.06
    $186.06 - $186.06
    $186.06
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    ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit | Part 400-7533

    ARP
    $208.69 - $208.69
    $208.69
    $208.69 - $208.69
    $208.69

    ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxvill...

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    $208.69 - $208.69
    $208.69
    $208.69 - $208.69
    $208.69
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    ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit | Part 100-7533

    ARP
    $148.16 - $148.16
    $148.16
    $148.16 - $148.16
    $148.16

    ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxvill...

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    $148.16 - $148.16
    $148.16
    $148.16 - $148.16
    $148.16

LMM Duramax engine parts for 2007.5 to 2010 Chevy Silverado HD and GMC Sierra HD trucks.

The LMM added the first Duramax diesel particulate filter along with EGR updates. EGR, sensors, gaskets and head studs are the common LMM engine parts.

Related: LMM fuel injectors, LMM fuel system, LMM tuning. Browse all LMM Duramax parts.

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