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Duramax Parts

High-quality Duramax performance parts are a must if you’re trying to get more out of your Chevy or GMC Duramax engine. That’s why Powerhouse Diesel stocks a wide range of Duramax parts engineered specifically to Get the most out of your truck. When you choose to shop with us, you can take advantage of our extensive expertise and experience to help you find the ideal solution for what you need from your engine.

Not only do we have a comprehensive inventory of Duramax diesel parts, but also we offer the highest levels of customer service. Our team is made up of gearheads just like you, meaning we spend as much time under the hood as anyone. You can trust us to guide you in the right direction, so you’ll have the correct parts that make the most sense for your needs.

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  • S&S Diesel Motorsport 50 State LML CP3 conversion kit w/pump - CARB exempt - No Tuning Req'd. S&S Diesel Motorsport 50 State LML CP3 conversion kit w/pump - CARB exempt - No Tuning Req'd.

    S&S Diesel Motorsport LML CP3 Conversion kit w/Pump - Competition Use Only - No Tuning Req'd

    S&S
    $3,141.00 - $3,141.00
    $3,141.00
    $3,141.00 - $3,141.00
    $3,141.00

    S&S Model LML-CP3-NO-TUNING-REQS&S Diesel Motorsport LML CP3 conversion kit w/pump - Competition Use Only - No Tuning Req'd

    $3,141.00 - $3,141.00
    $3,141.00
    $3,141.00 - $3,141.00
    $3,141.00
  • S&S Diesel Motorsport 50 State LML CP3 conversion kit w/pump - CARB exempt - No Tuning Req'd. S&S Diesel Motorsport 50 State LML CP3 conversion kit w/pump - CARB exempt - No Tuning Req'd.

    S&S Diesel Motorsport LML CP3 conversion kit w/Pump - Competition Use Only - Tuning Req'd

    S&S
    $2,571.00 - $2,571.00
    $2,571.00
    $2,571.00 - $2,571.00
    $2,571.00

    S&S Model LML-CP3-TUNING-REQS&S Diesel Motorsport LML CP3 conversion kit w/Pump - Competition Use Only - Tuning Req'd

    $2,571.00 - $2,571.00
    $2,571.00
    $2,571.00 - $2,571.00
    $2,571.00
  • responsive-image responsive-image

    S&S Diesel Motorsport Single Stage Pressure Relief Valve External Return LB7/5.9 Style 2200 Bar M18x1.5

    S&S
    $413.00 - $413.00
    $413.00
    $413.00 - $413.00
    $413.00

    S&S Model PRV-E-2200-1SS&S Diesel Motorsport Single Stage Pressure Relief Valve External Return. LB7/5.9 Style 2200 Bar M18x1.5

    $413.00 - $413.00
    $413.00
    $413.00 - $413.00
    $413.00
  • responsive-image responsive-image

    S&S Diesel Motorsport High Pressure Electronic Regulator (LML DRV)

    S&S
    $260.00 - $260.00
    $260.00
    $260.00 - $260.00
    $260.00

    S&S Model DRV-LMLS&S Diesel Motorsport High Pressure Electronic Regulator (LML DRV) *Generic Image

    $260.00 - $260.00
    $260.00
    $260.00 - $260.00
    $260.00
  • S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only. S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only.

    S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only

    S&S
    $4,205.00 - $4,205.00
    $4,205.00
    $4,205.00 - $4,205.00
    $4,205.00

    S&S Model L5P-CP3-10S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only Will not work on stock trucks! No Ship...

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    $4,205.00 - $4,205.00
    $4,205.00
    $4,205.00 - $4,205.00
    $4,205.00
  • responsive-image responsive-image

    S&S Diesel Motorsport Injector Seal Kit (combustion seal + body o-ring + inlet o-ring) - LB7

    S&S
    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00

    S&S Model INJ-SEALS-LB7Injector Seal Kit for all 8 injectors (combustion seal + body o-ring + inlet o-ring) - LB7 *Generic Image

    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00
  • S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New. S&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) -New.

    S&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) -New

    S&S
    $3,755.00 - $3,755.00
    $3,755.00
    $3,755.00 - $3,755.00
    $3,755.00

    S&S Model CP3-DMX-12-HSS&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) | New LBZ-based. 2001-2010 Duramax T...

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    $3,755.00 - $3,755.00
    $3,755.00
    $3,755.00 - $3,755.00
    $3,755.00
  • S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) -New. S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) -New.

    S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) -New

    S&S
    $3,610.00 - $3,610.00
    $3,610.00
    $3,610.00 - $3,610.00
    $3,610.00

    S&S Model CP3-DMX-12S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) | New LBZ-based. 2001-2010 Duramax Trucks 2001-200...

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    $3,610.00 - $3,610.00
    $3,610.00
    $3,610.00 - $3,610.00
    $3,610.00
  • S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New. S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New.

    S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New

    S&S
    $1,632.00 - $1,632.00
    $1,632.00
    $1,632.00 - $1,632.00
    $1,632.00

    S&S Model CP3-DMX-SSS&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) S&S Duramax CP3 pumps are built from brand...

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    $1,632.00 - $1,632.00
    $1,632.00
    $1,632.00 - $1,632.00
    $1,632.00
  • S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only. S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only.

    S&S Diesel Motorsport L5P CP3 conversion kit w/ 12mm Pump - Competition Use Only

    S&S
    $4,919.00 - $4,919.00
    $4,919.00
    $4,919.00 - $4,919.00
    $4,919.00

    S&S Model L5P-CP3-12S&S Diesel Motorsport L5P CP3 conversion kit w/ 12mm Pump - Competition Use Only Will not work on stock trucks! No Ship...

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    $4,919.00 - $4,919.00
    $4,919.00
    $4,919.00 - $4,919.00
    $4,919.00
  • S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM. S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM.

    S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM

    S&S
    $73.00 - $73.00
    $73.00
    $73.00 - $73.00
    $73.00

    S&S Model DMAX-INJ-RTN-LHS&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM

    $73.00 - $73.00
    $73.00
    $73.00 - $73.00
    $73.00
  • S&S Diesel Motorsport LML Fuel Return Line Assembly. S&S Diesel Motorsport LML Fuel Return Line Assembly.

    S&S Diesel Motorsport LML Fuel Return Line Assembly

    S&S
    $207.00 - $207.00
    $207.00
    $207.00 - $207.00
    $207.00

    S&S Model LML-RTNLINE-ASM S&S Diesel Motorsport LML Fuel Return Line Assembly *Generic Image

    $207.00 - $207.00
    $207.00
    $207.00 - $207.00
    $207.00
  • S&S Diesel Motorsport LML CP4 to Rail - RH Side (12670475). S&S Diesel Motorsport LML CP4 to Rail - RH Side (12670475).

    S&S Diesel Motorsport LML CP4 to Rail - RH Side (12670475)

    S&S
    $94.00 - $94.00
    $94.00
    $94.00 - $94.00
    $94.00

    S&S Model LML-HPLINE-CP4-RAIL-RHS&S Diesel Motorsport LML CP4 to Rail - RH Side (12670475) *Generic image

    $94.00 - $94.00
    $94.00
    $94.00 - $94.00
    $94.00
  • S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar. S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar.

    S&S Diesel Motorsport DBV4 Single Stage Relief Valve Internal Return, LLY/LBZ/LMM, 6.7 style - 2200bar

    S&S
    $460.00 - $460.00
    $460.00
    $460.00 - $460.00
    $460.00

    S&S Model PRV-I-2200-1SDBV4 Single Stage Relief Valve Internal Return, LLY/LBZ/LMM, 6.7 style - 2200bar Generic Image

    $460.00 - $460.00
    $460.00
    $460.00 - $460.00
    $460.00
  • S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar. S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar.

    S&S Diesel Motorsport LBZ, 6.7L Relief Valve (2000 bar)

    S&S
    $301.00 - $301.00
    $301.00
    $301.00 - $301.00
    $301.00

    S&S Model PRV-LBZ/6.7CS&S Diesel Motorsport LBZ, 6.7L Relief Valve (2000 bar)

    $301.00 - $301.00
    $301.00
    $301.00 - $301.00
    $301.00
  • S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set. S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set.

    S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set

    S&S
    $5,354.00 - $7,945.00
    $5,354.00 - $7,945.00
    $5,354.00 - $7,945.00
    $5,354.00

    S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Noz...

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    $5,354.00 - $7,945.00
    $5,354.00 - $7,945.00
    $5,354.00 - $7,945.00
    $5,354.00
  • S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Set. S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Set.

    S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Set

    S&S
    $3,770.00 - $9,507.00
    $3,770.00 - $9,507.00
    $3,770.00 - $9,507.00
    $3,770.00

    S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Set Available sizes: TorqueMaster, 30%, 45%, 60%, 80%, 100%, 150%, 200%, 250%, 300% ...

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    $3,770.00 - $9,507.00
    $3,770.00 - $9,507.00
    $3,770.00 - $9,507.00
    $3,770.00
  • S&S Diesel Motorsport LMM Duramax Injectors (2007.5-2010) - Reman or New (Set). S&S Diesel Motorsport LMM Duramax Injectors (2007.5-2010) - Reman or New (Set).

    S&S Diesel Motorsport LMM Duramax Injectors (2007.5-2010) - Reman or New (Set)

    S&S
    $6,133.00 - $10,798.00
    $6,133.00 - $10,798.00
    $6,133.00 - $10,798.00
    $6,133.00

    LMM Duramax Injectors (2007.5-2010) - (Set) S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Nozzles flow-matched...

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    $6,133.00 - $10,798.00
    $6,133.00 - $10,798.00
    $6,133.00 - $10,798.00
    $6,133.00
  • S&S Diesel Motorsport LBZ Duramax (2006-2007) Injectors - Set. S&S Diesel Motorsport LBZ Duramax (2006-2007) Injectors - Set.

    S&S Diesel Motorsport LBZ Duramax (2006-2007) Injectors - Set

    S&S
    $6,074.00 - $10,738.00
    $6,074.00 - $10,738.00
    $6,074.00 - $10,738.00
    $6,074.00

    ( SET ) S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Nozzles flow-matched to 1% variance per set, using OE s...

    View full details
    $6,074.00 - $10,738.00
    $6,074.00 - $10,738.00
    $6,074.00 - $10,738.00
    $6,074.00
  • S&S Diesel Motorsport LLY Duramax (2004.5-2005) Injectors -Set. S&S Diesel Motorsport LLY Duramax (2004.5-2005) Injectors -Set.

    S&S Diesel Motorsport LLY Duramax (2004.5-2005) Injectors -Set

    S&S
    $4,941.00 - $9,567.00
    $4,941.00 - $9,567.00
    $4,941.00 - $9,567.00
    $4,941.00

    (SET) S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Nozzles flow-matched to 1% variance per set, using OE st...

    View full details
    $4,941.00 - $9,567.00
    $4,941.00 - $9,567.00
    $4,941.00 - $9,567.00
    $4,941.00
  • S&S Diesel Motorsport Duramax LB7 Injectors (2001-2004) - Set. S&S Diesel Motorsport Duramax LB7 Injectors (2001-2004) - Set.

    S&S Diesel Motorsport Duramax LB7 Injectors (01-04) - Set

    S&S
    $4,491.00 - $9,477.00
    $4,491.00 - $9,477.00
    $4,491.00 - $9,477.00
    $4,491.00

    (SET) The S&S Diesel Motorsport SAC00® injectors are a game-changer for LB7 Duramax owners who want increased durability without an increas...

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    $4,491.00 - $9,477.00
    $4,491.00 - $9,477.00
    $4,491.00 - $9,477.00
    $4,491.00
  • S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Single. S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Single.

    S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Single

    S&S
    $670.00 - $994.00
    $670.00 - $994.00
    $670.00 - $994.00
    $670.00

    S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Single S&S Upgrades Proprietary nozzle honing process for clean and consistent holes...

    View full details
    $670.00 - $994.00
    $670.00 - $994.00
    $670.00 - $994.00
    $670.00
  • S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Single. S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Single.

    S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Single

    S&S
    $472.00 - $1,189.00
    $472.00 - $1,189.00
    $472.00 - $1,189.00
    $472.00

    S&S Diesel Motorsport LML Duramax Injectors (2011-2016) - Single Available sizes: TorqueMaster, 30%, 45%, 60%, 80%, 100%, 150%, 200%, 250%, 300...

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    $472.00 - $1,189.00
    $472.00 - $1,189.00
    $472.00 - $1,189.00
    $472.00
  • S&S Diesel Motorsport LMM Duramax (2007.5-2010)TorqueMaster Injector - Reman or New (Set). S&S Diesel Motorsport LMM Duramax (2007.5-2010)TorqueMaster Injector - Reman or New (Set).

    S&S Diesel Motorsport LMM Duramax (2007.5-2010)TorqueMaster Injector - Reman or New (Set)

    S&S
    $4,881.00 - $5,242.00
    $4,881.00 - $5,242.00
    $4,881.00 - $5,242.00
    $4,881.00

    S&S Model LMM-10SAC-R-SET (Reman) or LMM-10SAC-SET (New)LMM TorqueMaster Injector - (Set) S&S Upgrades Proprietary nozzle honing process ...

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    $4,881.00 - $5,242.00
    $4,881.00 - $5,242.00
    $4,881.00 - $5,242.00
    $4,881.00

 

YOUR ALL-IN-ONE SOURCE FOR DURAMAX PERFORMANCE UPGRADES

Having the right parts makes all the difference when you’re working on your engine, and we’re your total resource for everything you need. We have a wide assortment of Duramax parts for sale from top manufacturers including Kryptonite, ndustrial njectio, smeding, Banks Power and more. We give you a huge selection of options to choose from, meaning you’re more than likely to find exactly what you’re looking for when you need Duramax aftermarket parts.

From small parts for a quick fix to complete systems for a total overhaul, we have a solution for every need. Our range of products for Duramax engines includes:

  • Transmissions
  • Injection pumps
  • Turbochargers and exhausts
  • Wiring harnesses
  • Radiator hoses
  • Intercoolers
  • Fuel systems
  • And more

SHOP POWERHOUSE DIESEL

Whether you’re trying to squeeze more power out of your engine or keep it maintained to extend its lifespan, there’s no better place to turn than Powerhouse Diesel. From routine maintenance to full-on performance upgrades, our selection of components, tools and accessories make it possible to get the work done and give you the performance you’ve always wanted.

Our team here understands what you’re looking for and why. We’re just as passionate about trucks as you are, and we’ll take the time to share our expertise so you can find the perfect fit for your ride. If you want to learn more about everything we have to offer, take a moment to browse through our product listings on this page or reach out to one of our helpful representatives today.

Powerhouse Diesel