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L5P Duramax Parts

Parts for the L5P Duramax (2017+).

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  • Gen-Y 20+ GMC GM 2500/3500 Defender Headache Rack Only - Black

    GEN-Y Hitch
    Original price $625.00 - Original price $625.00
    Original price
    $625.00
    $625.00 - $625.00
    Current price $625.00

    GEN-Y Hitch Part # - GH-27007Gen-Y 20+ GMC GM 2500/3500 Defender Headache Rack Only - Black

    Original price $625.00 - Original price $625.00
    Original price
    $625.00
    $625.00 - $625.00
    Current price $625.00
  • Exergy 2017+ Duramax L5P 550 Alpha CP3 Conversion Kit

    Exergy
    Original price $8,067.00 - Original price $8,067.00
    Original price
    $8,067.00
    $8,067.00 - $8,067.00
    Current price $8,067.00

    Exergy Part # - E12 10710Exergy 2017+ Duramax L5P 550 Alpha CP3 Conversion Kit

    Original price $8,067.00 - Original price $8,067.00
    Original price
    $8,067.00
    $8,067.00 - $8,067.00
    Current price $8,067.00
  • Exergy 2017+ Duramax L5P 12mm Stroker CP3 Conversion Kit

    Exergy
    Original price $5,574.00 - Original price $5,574.00
    Original price
    $5,574.00
    $5,574.00 - $5,574.00
    Current price $5,574.00

    Exergy Part # - E12 10707Exergy 2017+ Duramax L5P 12mm Stroker CP3 Conversion Kit

    Original price $5,574.00 - Original price $5,574.00
    Original price
    $5,574.00
    $5,574.00 - $5,574.00
    Current price $5,574.00
  • Gen-Y 20+ GMC GM 2500/3500 Defender 2 Outer Molle Panel for Headache Rack - Black

    GEN-Y Hitch
    Original price $528.00 - Original price $528.00
    Original price
    $528.00
    $528.00 - $528.00
    Current price $528.00

    GEN-Y Hitch Part # - GH-28207Gen-Y 20+ GMC GM 2500/3500 Defender 2 Outer Molle Panel for Headache Rack - Black

    Original price $528.00 - Original price $528.00
    Original price
    $528.00
    $528.00 - $528.00
    Current price $528.00
  • Exergy 2017+ Duramax L5P 14mm Stroker CP3 Conversion Kit

    Exergy
    Original price $6,307.00 - Original price $6,307.00
    Original price
    $6,307.00
    $6,307.00 - $6,307.00
    Current price $6,307.00

    Exergy Part # - E12 10709Exergy 2017+ Duramax L5P 14mm Stroker CP3 Conversion Kit

    Original price $6,307.00 - Original price $6,307.00
    Original price
    $6,307.00
    $6,307.00 - $6,307.00
    Current price $6,307.00
  • Gen-Y 20+ GMC GM 2500/3500 Defender Center Louver Panel for Headache Rack - Black

    GEN-Y Hitch
    Original price $125.00 - Original price $125.00
    Original price
    $125.00
    $125.00 - $125.00
    Current price $125.00

    GEN-Y Hitch Part # - GH-29107Gen-Y 20+ GMC GM 2500/3500 Defender Center Louver Panel for Headache Rack - Black

    Original price $125.00 - Original price $125.00
    Original price
    $125.00
    $125.00 - $125.00
    Current price $125.00
  • Exergy 2017+ Duramax L5P Sportsman CP3 Conversion Kit

    Exergy
    Original price $3,374.00 - Original price $3,374.00
    Original price
    $3,374.00
    $3,374.00 - $3,374.00
    Current price $3,374.00

    Exergy Part # - E12 10705Exergy 2017+ Duramax L5P Sportsman CP3 Conversion Kit

    Original price $3,374.00 - Original price $3,374.00
    Original price
    $3,374.00
    $3,374.00 - $3,374.00
    Current price $3,374.00
  • Exergy 2017+ Duramax L5P 10mm Stroker CP3 Conversion Kit

    Exergy
    Original price $4,840.00 - Original price $4,840.00
    Original price
    $4,840.00
    $4,840.00 - $4,840.00
    Current price $4,840.00

    Exergy Part # - E12 10706Exergy 2017+ Duramax L5P 10mm Stroker CP3 Conversion Kit

    Original price $4,840.00 - Original price $4,840.00
    Original price
    $4,840.00
    $4,840.00 - $4,840.00
    Current price $4,840.00
  • WeatherTech 20-26 Chevrolet Silverado 25/3500HD Reg Cab Front Side Window Deflectors - Matte Black

    WeatherTech
    Original price $124.00 - Original price $124.00
    Original price
    $124.00
    $124.00 - $124.00
    Current price $124.00

    WeatherTech Part # - 801082IMBWeatherTech Side Window Deflectors offer you fresh air enjoyment with an original equipment look. They are crafted in...

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    Original price $124.00 - Original price $124.00
    Original price
    $124.00
    $124.00 - $124.00
    Current price $124.00
  • Sport Fender Flares | GMC Sierra 2500 HD/Sierra 3500 HD (20-26)

    Rough Country
    Original price $558.00 - Original price $1,071.00
    Original price
    $558.00
    $558.00 - $1,071.00
    Current price $558.00

    Rough Country Part # S-G11912 Style and Maximum Coverage: Elevate your fifth-generation GMC Sierra 2500 HD/3500 HD with Rough Country's Sport Style...

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    Original price $558.00 - Original price $1,071.00
    Original price
    $558.00
    $558.00 - $1,071.00
    Current price $558.00
  • Pocket Fender Flares | GMC Sierra 2500 HD/Sierra 3500 HD (20-26)

    Rough Country
    Original price $558.00 - Original price $1,071.00
    Original price
    $558.00
    $558.00 - $1,071.00
    Current price $558.00

    Rough Country Part # F-G12011A Aggressive Style Made Easy: Transform your truck's look with Rough Country's Fender Flares and give it the bold pres...

    View full details
    Original price $558.00 - Original price $1,071.00
    Original price
    $558.00
    $558.00 - $1,071.00
    Current price $558.00
  • 2017-2026 Duramax 7" Rear Section - 90 degree angle

    ProPowerDiesel
    Original price $514.00 - Original price $514.00
    Original price
    $514.00
    $514.00 - $514.00
    Current price $514.00

    For those that have been asking about a 7" rear tip with a 90 degree exit here's your ticket. 90 degree exit means it will exit out the side instea...

    View full details
    Original price $514.00 - Original price $514.00
    Original price
    $514.00
    $514.00 - $514.00
    Current price $514.00
    Sold out
  • Power Running Boards | HT-Series | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (19-26)

    Rough Country
    Original price $1,614.00 - Original price $1,614.00
    Original price
    $1,614.00
    $1,614.00 - $1,614.00
    Current price $1,614.00

    Rough Country Part # ESR51920HT-Series Power Running Boards: Step Up in Style: Sidesteps have evolved, and the HT-Series Power Running Boards take ...

    View full details
    Original price $1,614.00 - Original price $1,614.00
    Original price
    $1,614.00
    $1,614.00 - $1,614.00
    Current price $1,614.00
  • WeatherTech Universal Seat Protector - Tan

    WeatherTech
    Original price $279.00 - Original price $279.00
    Original price
    $279.00
    $279.00 - $279.00
    Current price $279.00

    WeatherTech Model 8ASP-BN3TWeatherTech Seat Protectors are the perfect accessory for those vehicle owners needing an extra step of protection for t...

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    Original price $279.00 - Original price $279.00
    Original price
    $279.00
    $279.00 - $279.00
    Current price $279.00
  • WeatherTech 19-26 Chevrolet Silverado 1500 Rear Rear Side Window Deflectors - Matte Blk

    WeatherTech
    Original price $94.00 - Original price $94.00
    Original price
    $94.00
    $94.00 - $94.00
    Current price $94.00

    WeatherTech Model 85930IMBWeatherTech Side Window Deflectors offer you fresh air enjoyment with an original equipment look. They are crafted in Ger...

    View full details
    Original price $94.00 - Original price $94.00
    Original price
    $94.00
    $94.00 - $94.00
    Current price $94.00
  • WeatherTech Seat Protector-Single Bucket Seats Medium Do - Tan

    WeatherTech
    Original price $201.00 - Original price $201.00
    Original price
    $201.00
    $201.00 - $201.00
    Current price $201.00

    WeatherTech Model 8ASP-BU7TWeatherTech Seat Protectors are the perfect accessory for those vehicle owners needing an extra step of protection for t...

    View full details
    Original price $201.00 - Original price $201.00
    Original price
    $201.00
    $201.00 - $201.00
    Current price $201.00
  • WeatherTech 19-26 Chevrolet Silverado 1500 Rear Rear Side Window Deflectors 2pc - Matte Blk

    WeatherTech
    Original price $94.00 - Original price $94.00
    Original price
    $94.00
    $94.00 - $94.00
    Current price $94.00

    WeatherTech Model 81930IMBWeatherTech Side Window Deflectors offer you fresh air enjoyment with an original equipment look. They are crafted in Ger...

    View full details
    Original price $94.00 - Original price $94.00
    Original price
    $94.00
    $94.00 - $94.00
    Current price $94.00

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