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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 Duramax 10mm CP3 (1,325 mm3 /rev displacement) New. S&S Diesel Motorsport Duramax 10mm CP3 High Speed (1,325 mm3 /rev displacement)- NEW.

    S&S Diesel Motorsport Duramax 10mm CP3 High Speed (1,325 mm3 /rev displacement)- NEW

    S&S
    $3,143.00 - $3,143.00
    $3,143.00
    $3,143.00 - $3,143.00
    $3,143.00

    S&S Model CP3-DMX-10-HSS&S Diesel Motorsport Duramax 10mm CP3 High Speed (1,325 mm3 /rev displacement) | New LBZ-based Optimized for high ...

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    $3,143.00 - $3,143.00
    $3,143.00
    $3,143.00 - $3,143.00
    $3,143.00
  • S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New. S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New.

    S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New

    S&S
    $2,857.00 - $2,857.00
    $2,857.00
    $2,857.00 - $2,857.00
    $2,857.00

    S&S Model CP3-DMX-10S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) | New LBZ-based No calibration needed, direct dro...

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    $2,857.00 - $2,857.00
    $2,857.00
    $2,857.00 - $2,857.00
    $2,857.00
  • 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/ 14mm Pump - Competition Use Only

    S&S
    $5,572.00 - $5,572.00
    $5,572.00
    $5,572.00 - $5,572.00
    $5,572.00

    S&S Model L5P-CP3-14S&S Diesel Motorsport L5P CP3 conversion kit w/ 14mm Pump - Competition Use Only Will not work on stock trucks! No Ship...

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    $5,572.00 - $5,572.00
    $5,572.00
    $5,572.00 - $5,572.00
    $5,572.00
  • S&S Diesel Motorsport LML CP3 conversion kit w/o Pump - Competition Use Only. S&S Diesel Motorsport LML CP3 conversion kit w/o Pump - Competition Use Only.

    S&S Diesel Motorsport LML CP3 conversion kit w/o Pump - Competition Use Only

    S&S
    $1,143.00 - $1,143.00
    $1,143.00
    $1,143.00 - $1,143.00
    $1,143.00

    S&S Model LML-CP3-WO-PUMPS&S Diesel Motorsport LML CP3 conversion kit w/o Pump - Competition Use Only

    $1,143.00 - $1,143.00
    $1,143.00
    $1,143.00 - $1,143.00
    $1,143.00
  • S&S Diesel Motorsport CP3 Metering Unit / FCA - Cummins 6.7L. S&S Diesel Motorsport CP3 Metering Unit / FCA - Cummins 6.7L.

    S&S Diesel Motorsport CP3 Metering Unit / FCA - Dmax LBZ

    S&S
    $215.00 - $215.00
    $215.00
    $215.00 - $215.00
    $215.00

    S&S Model MEUN-LBZS&S Diesel Motorsport CP3 Metering Unit / FCA - Dmax LBZ

    $215.00 - $215.00
    $215.00
    $215.00 - $215.00
    $215.00
  • S&S Diesel Motorsport CP3 Metering Unit / FCA - Cummins 6.7L. S&S Diesel Motorsport CP3 Metering Unit / FCA - Cummins 6.7L.

    S&S Diesel Motorsport CP3 Metering Unit / FCA - Dmax LLY

    S&S
    $249.00 - $249.00
    $249.00
    $249.00 - $249.00
    $249.00

    S&S Model MEUN-LLYS&S Diesel Motorsport CP3 Metering Unit / FCA - Dmax LLY

    $249.00 - $249.00
    $249.00
    $249.00 - $249.00
    $249.00
  • S&S Diesel Motorsport CP3 Metering Unit / FCA - Cummins 6.7L. S&S Diesel Motorsport CP3 Metering Unit / FCA - Cummins 6.7L.

    S&S Diesel Motorsport CP3 Metering Unit / FCA - Dmax LB7

    S&S
    $249.00 - $249.00
    $249.00
    $249.00 - $249.00
    $249.00

    S&S Model MEUN-LB7S&S Diesel Motorsport CP3 Metering Unit / FCA - Dmax LB7

    $249.00 - $249.00
    $249.00
    $249.00 - $249.00
    $249.00
  • S&S Diesel Motorsport DMAX Injector Return Leak Fitting Clip - LLY/LBZ/LMM. S&S Diesel Motorsport DMAX Injector Return Leak Fitting Clip - LLY/LBZ/LMM.

    S&S Diesel Motorsport DMAX Injector Return Leak Fitting Clip - LLY/LBZ/LMM

    S&S
    $10.00 - $10.00
    $10.00
    $10.00 - $10.00
    $10.00

    S&S Model DMAX-INJ-RTN-CLIPS&S Diesel Motorsport DMAX Injector Return Leak Fitting Clip - LLY/LBZ/LMM *Generic Image

    $10.00 - $10.00
    $10.00
    $10.00 - $10.00
    $10.00
  • S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-RH Side LLY/LBZ/LMM. S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-RH Side LLY/LBZ/LMM.

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

    S&S
    $72.00 - $72.00
    $72.00
    $72.00 - $72.00
    $72.00

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

    $72.00 - $72.00
    $72.00
    $72.00 - $72.00
    $72.00
  • S&S Diesel Motorsport Rail Cap - M14x1.5 - LB7/LLY/5.9C/6.7F. S&S Diesel Motorsport Rail Cap - M14x1.5 - LB7/LLY/5.9C/6.7F.

    S&S Diesel Motorsport LML- High Pressure Fuel Line KitRail to Rail Line & 8x Rail to Injector Lines

    S&S
    $530.00 - $530.00
    $530.00
    $530.00 - $530.00
    $530.00

    S&S Model LML-HPLINE-KITS&S Diesel Motorsport LML- High Pressure Fuel Line Kit Rail to Rail Line & (8) Rail to Injector Lines

    $530.00 - $530.00
    $530.00
    $530.00 - $530.00
    $530.00
  • S&S Diesel Motorsport LML CP4 TO RAIL LH (1267074). S&S Diesel Motorsport LML CP4 TO RAIL LH (1267074).

    S&S Diesel Motorsport LML CP4 TO RAIL LH (1267074)

    S&S
    $93.00 - $93.00
    $93.00
    $93.00 - $93.00
    $93.00

    S&S Model LML-HPLINE-CP4-RAIL-LHS&S Diesel Motorsport LML CP4 TO RAIL LH (1267074) *Generic Image

    $93.00 - $93.00
    $93.00
    $93.00 - $93.00
    $93.00
  • S&S Diesel Motorsport Rail Cap - M14x1.5 - LB7/LLY/5.9C/6.7F. S&S Diesel Motorsport Rail Cap - M14x1.5 - LB7/LLY/5.9C/6.7F.

    S&S Diesel Motorsport Rail Cap - M18x1.5 - LBZ/LMM/6.7C

    S&S
    $43.00 - $43.00
    $43.00
    $43.00 - $43.00
    $43.00

    S&S Model CAP-M18S&S Diesel Motorsport Rail Cap - M18x1.5 - LBZ/LMM/6.7C

    $43.00 - $43.00
    $43.00
    $43.00 - $43.00
    $43.00
  • S&S Diesel Motorsport Rail Cap - M14x1.5 - LB7/LLY/5.9C/6.7F. S&S Diesel Motorsport Rail Cap - M14x1.5 - LB7/LLY/5.9C/6.7F.

    S&S Diesel Motorsport Rail Cap - M14x1.5 - LB7/LLY/5.9C/6.7F

    S&S
    $43.00 - $43.00
    $43.00
    $43.00 - $43.00
    $43.00

    S&S Model CAP-M14S&S Diesel Motorsport Rail Cap - M14x1.5 - LB7/LLY/5.9C/6.7F

    $43.00 - $43.00
    $43.00
    $43.00 - $43.00
    $43.00
  • S&S Diesel Motorsport LML Rail - LH Side (w/ Sensor & DRV). S&S Diesel Motorsport LML Rail - LH Side (w/ Sensor & DRV).

    S&S Diesel Motorsport LML Rail - LH Side (w/ Sensor & DRV)

    S&S
    $511.00 - $511.00
    $511.00
    $511.00 - $511.00
    $511.00

    S&S Model RAIL-LML-LHS&S Diesel Motorsport LML Rail - LH Side (w/ Sensor & DRV) *Generic Image

    $511.00 - $511.00
    $511.00
    $511.00 - $511.00
    $511.00
  • S&S Diesel Motorsport LML Rail - RH Side. S&S Diesel Motorsport LML Rail - RH Side.

    S&S Diesel Motorsport LML Rail - RH Side

    S&S
    $511.00 - $511.00
    $511.00
    $511.00 - $511.00
    $511.00

    S&S Model RAIL-LML-RHS&S Diesel Motorsport LML Rail - RH Side *Generic Image

    $511.00 - $511.00
    $511.00
    $511.00 - $511.00
    $511.00
  • S&S Diesel Motorsport LBZ Rail RH Side. S&S Diesel Motorsport LBZ Rail RH Side.

    S&S Diesel Motorsport LBZ Rail RH Side

    S&S
    $741.00 - $741.00
    $741.00
    $741.00 - $741.00
    $741.00

    S&S Model RAIL-LBZ-RHS&S Diesel Motorsport LBZ Rail RH Side *Generic Image

    $741.00 - $741.00
    $741.00
    $741.00 - $741.00
    $741.00
  • S&S Diesel Motorsport LBZ Rail LH Side. S&S Diesel Motorsport LBZ Rail LH Side.

    S&S Diesel Motorsport LBZ Rail LH Side

    S&S
    $741.00 - $741.00
    $741.00
    $741.00 - $741.00
    $741.00

    S&S Model RAIL-LBZ-LHS&S Diesel Motorsport LBZ Rail LH Side *Generic Image

    $741.00 - $741.00
    $741.00
    $741.00 - $741.00
    $741.00
  • S&S Diesel Motorsport LLY Rail - RH Side (w/ sensor). S&S Diesel Motorsport LLY Rail - RH Side (w/ sensor).

    S&S Diesel Motorsport LLY Rail - RH Side (w/ sensor)

    S&S
    $405.00 - $405.00
    $405.00
    $405.00 - $405.00
    $405.00

    S&S Model RAIL-LLY-RHS&S Diesel Motorsport LLY Rail - RH Side (w/ sensor) *Generic Image

    $405.00 - $405.00
    $405.00
    $405.00 - $405.00
    $405.00
  • S&S Diesel Motorsport LLY Rail - LH Side. S&S Diesel Motorsport LLY Rail - LH Side.

    S&S Diesel Motorsport LLY Rail - LH Side

    S&S
    $333.00 - $333.00
    $333.00
    $333.00 - $333.00
    $333.00

    S&S Model RAIL-LLY-LHS&S Diesel Motorsport LLY Rail - LH Side *Generic Image

    $333.00 - $333.00
    $333.00
    $333.00 - $333.00
    $333.00
  • 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 Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar

    S&S
    $455.00 - $455.00
    $455.00
    $455.00 - $455.00
    $455.00

    S&S Model PRV-I-2700-1SDBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 style - 2700bar Generic Image

    $455.00 - $455.00
    $455.00
    $455.00 - $455.00
    $455.00
  • 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 - 2400bar

    S&S
    $455.00 - $455.00
    $455.00
    $455.00 - $455.00
    $455.00

    S&S Model PRV-I-2400-1SDBV4 Single Stage Relief Valve Internal Return LLY/LBZ/LMM, 6.7 style - 2400bar Generic Image

    $455.00 - $455.00
    $455.00
    $455.00 - $455.00
    $455.00
  • 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 2 Stage Relief Valve Internal Return LLY/LBZ/LMM Style 2400 Bar

    S&S
    $409.00 - $409.00
    $409.00
    $409.00 - $409.00
    $409.00

    S&S Model PRV-I-2400-2SDBV4 2 stage relief valve, internal return, LLY/LBZ/LMM style - 2400bar *Generic Image

    $409.00 - $409.00
    $409.00
    $409.00 - $409.00
    $409.00
  • 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 Single Stage Pressure Relief Valve External Return, LB7/5.9 Style 2400 Bar M18x1.5

    S&S
    $409.00 - $409.00
    $409.00
    $409.00 - $409.00
    $409.00

    S&S Model PRV-E-2400-1SSingle Stage Pressure Relief Valve External Return, LB7/5.9 Style 2400 Bar M18x1.5 *Generic image

    $409.00 - $409.00
    $409.00
    $409.00 - $409.00
    $409.00
  • responsive-image responsive-image

    S&S Diesel Motorsport Single Stage Pressure Relief Valve External Return LB7/5.9 Style 1850bar M18x1.5

    S&S
    $239.00 - $239.00
    $239.00
    $239.00 - $239.00
    $239.00

    S&S Model PRV-E-1850-1SS&S Diesel Motorsport Single Stage Pressure Relief Valve External Return. LB7/5.9 Style 1850bar M18x1.5

    $239.00 - $239.00
    $239.00
    $239.00 - $239.00
    $239.00

 

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