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L5P Duramax Parts

Parts for the L5P Duramax (2017+).

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  • User 1 Photo - Primary

    Cognito 2020+ GM Silverado/Sierra 2500/3500 2WD/4WD Billet Upper Control Arm Kit

    Cognito
    $1,399.95 - $1,399.95
    $1,399.95
    $1,399.95 - $1,399.95
    $1,399.95

    Each Cognito billet control arm is precision-machined from high-quality 6061 aluminum and finished in durable black anodize, resulting in a lightwe...

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    $1,399.95 - $1,399.95
    $1,399.95
    $1,399.95 - $1,399.95
    $1,399.95
  • Photo - Primary Photo - Primary

    Cognito 20-24 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Ball Joint SM Series UCA Builders Kit

    Cognito
    $679.98 - $679.98
    $679.98
    $679.98 - $679.98
    $679.98

    This control arm kit is a 'Builders Kit' meaning the control arms are raw and un-assembled so a builder can custom powder coat the arms and then as...

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    $679.98 - $679.98
    $679.98
    $679.98 - $679.98
    $679.98
  • Photo - Close Up Photo - Primary

    Cognito 20-24 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Ball Joint SM Series UCA Kit

    Cognito
    $699.98 - $699.98
    $699.98
    $699.98 - $699.98
    $699.98

    Fits as stock replacement or leveled and lifted applications where an upgrade is desired to provide better performance, style, and function.The box...

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    $699.98 - $699.98
    $699.98
    $699.98 - $699.98
    $699.98
  • User 1 Photo - Primary

    Cognito 20-26 Chevrolet Silverado 2500 HD 3in Premier Billet UCA Leveling Kit w/ 2.0 RR Shocks

    Cognito
    $2,999.95 - $2,999.95
    $2,999.95
    $2,999.95 - $2,999.95
    $2,999.95

    The Cognito Billet Upper Control Arms are precision-machined from premium 6061 aluminum and finished in a durable black anodized coating for except...

    View full details
    $2,999.95 - $2,999.95
    $2,999.95
    $2,999.95 - $2,999.95
    $2,999.95
  • Photo - Primary Photo - Primary

    Cognito 20-24 Chevy/GMC Silverado/Sierra 2500/3500 2WD/4WD Ball Joint Upper Control Arm Kit

    Cognito
    $589.98 - $589.98
    $589.98
    $589.98 - $589.98
    $589.98

    The patented Cognito Alpha Ball Joint is the next level, end-all be-all solution of upper ball joints. It eliminates the problematic dust/grease bo...

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    $589.98 - $589.98
    $589.98
    $589.98 - $589.98
    $589.98
  • Photo - Primary Photo - Primary

    Cognito 2020+ Chevy Silverado 2500 Front Splash Guard Kit

    Cognito
    $139.95 - $139.95
    $139.95
    $139.95 - $139.95
    $139.95

    Looking for gift ideas? This item is in everyone's budget and fits anywhere the plastic splash guard is still used.This Part Fits: Year Make Model...

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    $139.95 - $139.95
    $139.95
    $139.95 - $139.95
    $139.95
  • 2020-2025 Sierra/Silverado 2500HD/3500HD 10L1000 Allison Firepunk F1 Transmission | 500HP Rated. 2020-2025 Sierra/Silverado 2500HD/3500HD 10L1000 Allison Firepunk F1 Transmission | 500HP Rated.

    2020-2025 Sierra/Silverado 2500HD/3500HD 10L1000 Allison Firepunk F1 Transmission | 500HP Rated

    Firepunk
    $7,995.00 - $9,995.00
    $7,995.00
    $7,995.00 - $9,995.00
    $7,995.00

    2020-2025 Sierra/Silverado 2500HD/3500HD 10L1000 Allison Firepunk F1 Transmission | 500HP Rated These transmissions feature: -DPC Billet Triple Dis...

    View full details
    $7,995.00 - $9,995.00
    $7,995.00
    $7,995.00 - $9,995.00
    $7,995.00
  • 2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F3 Transmission | 1000HP Rated. 2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F3 Transmission | 1000HP Rated.

    2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F3 Transmission | 1000HP Rated

    Firepunk
    $9,995.00 - $10,970.00
    $9,995.00
    $9,995.00 - $10,970.00
    $9,995.00

    2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F3 Transmission Package Features: Great For Highly Modified Trucks Up To 1000HP 2-Year U...

    View full details
    $9,995.00 - $10,970.00
    $9,995.00
    $9,995.00 - $10,970.00
    $9,995.00
    Select Options
  • 2010-2012 Firepunk 4th Gen Weld-on Traction Bars. 2010-2012 Firepunk 4th Gen Weld-on Traction Bars.

    2010-2012 Firepunk 4th Gen Weld-on Traction Bars

    Firepunk
    $650.00 - $800.00
    $650.00
    $650.00 - $800.00
    $650.00

    These traction bars are built with 1.75"x.120 wall chromoly tubing and our heavy duty rebuildable flex joints. Say goodbye to noisy heim joints, th...

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    $650.00 - $800.00
    $650.00
    $650.00 - $800.00
    $650.00
    Select Options
  • 2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F1 Transmission | 750HP Rated. 2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F1 Transmission | 750HP Rated.

    2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F1 Transmission | 750HP Rated

    Firepunk
    $6,995.00 - $6,995.00
    $6,995.00
    $6,995.00 - $6,995.00
    $6,995.00

    2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F1 Transmission Package Features: Great For Mildly Modified Trucks Up To 750HP 2-Year Un...

    View full details
    $6,995.00 - $6,995.00
    $6,995.00
    $6,995.00 - $6,995.00
    $6,995.00
    Select Options
  • 2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F2 Transmission | 900HP Rated. 2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F2 Transmission | 900HP Rated.

    2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F2 Transmission | 900HP Rated

    Firepunk
    $8,495.00 - $8,495.00
    $8,495.00
    $8,495.00 - $8,495.00
    $8,495.00

    2017-2019 Sierra/Silverado 2500HD/3500HD Allison Firepunk F2 Transmission Package Features: Great For Mildly Modified Trucks Up To 900HP 2-Year Un...

    View full details
    $8,495.00 - $8,495.00
    $8,495.00
    $8,495.00 - $8,495.00
    $8,495.00
    Select Options
  • Firepunk 10L1000 Hard Anodized F-Clutch Drum. Firepunk 10L1000 Hard Anodized F-Clutch Drum.

    Firepunk 10L1000 Hard Anodized F-Clutch Drum

    Firepunk
    $1,499.00 - $1,499.00
    $1,499.00
    $1,499.00 - $1,499.00
    $1,499.00

    Firepunk 10L1000 Hard Anodized F-Clutch Drum – Extended Service Life Upgrade If you’ve serviced the 10L1000 transmission, you may have already enco...

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    $1,499.00 - $1,499.00
    $1,499.00
    $1,499.00 - $1,499.00
    $1,499.00
  • Firepunk 2011-2019 Allison 6 Speed Master Rebuild Kit. Firepunk 2011-2019 Allison 6 Speed Master Rebuild Kit.

    Firepunk 2011-2019 Allison 6 Speed Master Rebuild Kit

    Firepunk
    $2,000.00 - $2,000.00
    $2,000.00
    $2,000.00 - $2,000.00
    $2,000.00

    Our 11-19 Allison master rebuild kit includes all the parts you need to rebuild your owntransmission. These are the main components we use in all o...

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    $2,000.00 - $2,000.00
    $2,000.00
    $2,000.00 - $2,000.00
    $2,000.00
  • Photo - lifestyle view Photo - Primary

    Gen-Y 20+ GMC GM 2500/3500 Defender 2 Outer Louver Panel for Headache Rack - Black

    GEN-Y Hitch
    $339.96 - $339.96
    $339.96
    $339.96 - $339.96
    $339.96

    GEN-Y Hitch Part # - GH-29207Customize your GEN-Y DEFENDER Headache Rack with the Louvre Panels. Designed to mount directly to the DEFENDER Headach...

    View full details
    $339.96 - $339.96
    $339.96
    $339.96 - $339.96
    $339.96
  • Photo - Mounted Photo - Primary

    WeatherTech 20-26 GM Silverado/Sierra (w/o Multi-Flex Tailgate) Tailgate Cushion w/o Caddy - Black

    WeatherTech
    $113.95 - $113.95
    $113.95
    $113.95 - $113.95
    $113.95

    WeatherTech Part # - 81TGS04Anyone who has tailgated knows the reality of sitting for long periods — never is it comfortable, but now it can be! We...

    View full details
    $113.95 - $113.95
    $113.95
    $113.95 - $113.95
    $113.95
  • User 1 Photo - Primary Save 9% Save %

    Mishimoto 2020+ Chevrolet / GMC Duramax L5P 6.6L Transmission Cooler

    Mishimoto
    $386.00
    $386.00 - $386.00
    $386.00
    $350.95
    $350.95 - $350.95
    $350.95

    Mishimoto Part # - MMTC-DMAX-20The factory transmission cooling on the 2020+ Chevrolet and GMC Duramax L5P 6.6L is sized for stock duty, and fluid ...

    View full details
    $386.00
    $386.00 - $386.00
    $386.00
    $350.95
    $350.95 - $350.95
    $350.95
    Save 9% Save %
  • User 1 User 1

    Gen-Y 20+ GMC GM 2500/3500 Defender Headache Rack/ 3-Molle Panels - Black

    GEN-Y Hitch
    $874.96 - $874.96
    $874.96
    $874.96 - $874.96
    $874.96

    GEN-Y Hitch Part # - GH-28007Gen-Y 20+ GMC GM 2500/3500 Defender Headache Rack/ 3-Molle Panels - Black

    $874.96 - $874.96
    $874.96
    $874.96 - $874.96
    $874.96
  • Save 3% Save %

    Industrial Injection 20-23 Chevrolet Duramax L5P 6.6L B2BV XR Series Turbocharger 63mm

    Industrial Injection
    $3,632.95
    $3,632.95 - $3,632.95
    $3,632.95
    $3,523.96
    $3,523.96 - $3,523.96
    $3,523.96

    Industrial Injection Part # - 12709901074-XR1Industrial Injection 20-23 Chevrolet Duramax L5P 6.6L B2BV XR Series Turbocharger 63mm

    $3,632.95
    $3,632.95 - $3,632.95
    $3,632.95
    $3,523.96
    $3,523.96 - $3,523.96
    $3,523.96
    Save 3% Save %
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  • Save 3% Save %

    Industrial Injection 20-23 Chevrolet Duramax L5P 6.6L B2BV Shop Exchange Turbocharger

    Industrial Injection
    $2,339.95
    $2,339.95 - $2,339.95
    $2,339.95
    $2,269.75
    $2,269.75 - $2,269.75
    $2,269.75

    Industrial Injection Part # - 12709901074SEIndustrial Injection 20-23 Chevrolet Duramax L5P 6.6L B2BV Shop Exchange Turbocharger

    $2,339.95
    $2,339.95 - $2,339.95
    $2,339.95
    $2,269.75
    $2,269.75 - $2,269.75
    $2,269.75
    Save 3% Save %
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    Industrial Injection 17-19 Chevrolet Duramax L5P 6.6L B2BV XR Series Turbocharger - 63mm

    Industrial Injection
    $2,603.95
    $2,603.95 - $2,603.95
    $2,603.95
    $2,525.83
    $2,525.83 - $2,525.83
    $2,525.83

    Industrial Injection Part # - 12709901060-XR1Industrial Injection 17-19 Chevrolet Duramax L5P 6.6L B2BV XR Series Turbocharger - 63mm

    $2,603.95
    $2,603.95 - $2,603.95
    $2,603.95
    $2,525.83
    $2,525.83 - $2,525.83
    $2,525.83
    Save 3% Save %
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    Industrial Injection 20-23 Chevrolet Duramax L5P 6.6L B2BV XR Series Turbocharger (63/67mm)

    Industrial Injection
    $3,632.95
    $3,632.95 - $3,632.95
    $3,632.95
    $3,523.96
    $3,523.96 - $3,523.96
    $3,523.96

    Industrial Injection Part # - 12709901074-XR2Industrial Injection 20-23 Chevrolet Duramax L5P 6.6L B2BV XR Series Turbocharger (63/67mm)

    $3,632.95
    $3,632.95 - $3,632.95
    $3,632.95
    $3,523.96
    $3,523.96 - $3,523.96
    $3,523.96
    Save 3% Save %
    Select Options
  • Save 3% Save %

    Industrial Injection 17-19 Chevrolet Duramax L5P 6.6L B2BV XR Series Turbocharger 63/67mm

    Industrial Injection
    $3,632.95
    $3,632.95 - $3,632.95
    $3,632.95
    $3,523.96
    $3,523.96 - $3,523.96
    $3,523.96

    Industrial Injection Part # - 12709901060-XR2Industrial Injection 17-19 Chevrolet Duramax L5P 6.6L B2BV XR Series Turbocharger 63/67mm

    $3,632.95
    $3,632.95 - $3,632.95
    $3,632.95
    $3,523.96
    $3,523.96 - $3,523.96
    $3,523.96
    Save 3% Save %
    Select Options
  • User 1 User 1

    Gen-Y 20+ GMC GM 2500/3500 Defender Center Molle Panel for Headache Rack - Black

    GEN-Y Hitch
    $89.96 - $89.96
    $89.96
    $89.96 - $89.96
    $89.96

    GEN-Y Hitch Part # - GH-28107Gen-Y 20+ GMC GM 2500/3500 Defender Center Molle Panel for Headache Rack - Black

    $89.96 - $89.96
    $89.96
    $89.96 - $89.96
    $89.96
  • User 1 User 1

    Gen-Y 20+ GMC GM 2500/3500 Defender Headache Rack/ 3-Louver Panels - Black

    GEN-Y Hitch
    $849.96 - $849.96
    $849.96
    $849.96 - $849.96
    $849.96

    GEN-Y Hitch Part # - GH-29007Gen-Y 20+ GMC GM 2500/3500 Defender Headache Rack/ 3-Louver Panels - Black

    $849.96 - $849.96
    $849.96
    $849.96 - $849.96
    $849.96

The L5P is the current 6.6L Duramax, used in 2017 and newer Chevy Silverado HD and GMC Sierra HD trucks. It has a Denso fuel system, an electronically controlled VGT and the most factory power of any Duramax.

Shop L5P Duramax Parts by Category

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

L5P Duramax FAQ

What fuel system does the L5P use?

A Denso high pressure common rail system, different from the Bosch systems used on earlier Duramax engines.

What is the factory power rating on the L5P?

Ratings have increased over the years. Check your specific model year and trim for the exact rating.

Powerhouse Diesel