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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 Reverse Rotation Ordnance 650 CP3

    S&S
    $5,939.00 - $7,388.00
    $5,939.00
    $5,939.00 - $7,388.00
    $5,939.00

    S&S Model RR-CP3-ORD650-GPD or RR-CP3-ORD650-SP Race application only made to orderS&S Diesel Motorsport Reverse Rotation Ordnance 650 CP3 ...

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    $5,939.00 - $7,388.00
    $5,939.00
    $5,939.00 - $7,388.00
    $5,939.00
  • responsive-image responsive-image

    S&S Diesel Motorsport Duramax Ordnance 650 CP3 High Pressure Fuel Pump

    S&S
    $5,794.00 - $7,243.00
    $5,794.00
    $5,794.00 - $7,243.00
    $5,794.00

    S&S Model LBZ-CP3-ORD650-GPD or LBZ-CP3-ORD650-SP Race application only made to orderS&S Diesel Motorsport Duramax Ordnance 650 CP3 (650 l/...

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    $5,794.00 - $7,243.00
    $5,794.00
    $5,794.00 - $7,243.00
    $5,794.00
  • 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
    $3,782.00 - $9,536.00
    $3,782.00
    $3,782.00 - $9,536.00
    $3,782.00

    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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    $3,782.00 - $9,536.00
    $3,782.00
    $3,782.00 - $9,536.00
    $3,782.00
    Select Options
  • 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
    $6,093.00 - $10,771.00
    $6,093.00
    $6,093.00 - $10,771.00
    $6,093.00

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

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    $6,093.00 - $10,771.00
    $6,093.00
    $6,093.00 - $10,771.00
    $6,093.00
    Select Options
  • 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
    $4,505.00 - $9,506.00
    $4,505.00
    $4,505.00 - $9,506.00
    $4,505.00

    (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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    $4,505.00 - $9,506.00
    $4,505.00
    $4,505.00 - $9,506.00
    $4,505.00
    Select Options
  • 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
    $4,896.00 - $5,258.00
    $4,896.00
    $4,896.00 - $5,258.00
    $4,896.00

    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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    $4,896.00 - $5,258.00
    $4,896.00
    $4,896.00 - $5,258.00
    $4,896.00
    Select Options
  • S&S Diesel Motorsport LBZ Duramax (2006-2007) TorqueMaster Injectors - Set. S&S Diesel Motorsport LBZ Duramax (2006-2007) TorqueMaster Injectors - Set.

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

    S&S
    $4,838.00 - $5,215.00
    $4,838.00
    $4,838.00 - $5,215.00
    $4,838.00

    LBZ TorqueMaster Injector - Set S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Nozzles flow-matched to 1% varia...

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    $4,838.00 - $5,215.00
    $4,838.00
    $4,838.00 - $5,215.00
    $4,838.00
    Select Options
  • S&S Diesel Motorsport LB7 TorqueMaster Injector - Reman or New Set. S&S Diesel Motorsport LB7 TorqueMaster Injector - Reman or New Set.

    S&S Diesel Motorsport LB7 01-04 TorqueMaster Injector - Reman or New Set

    S&S
    $2,851.00 - $3,282.00
    $2,851.00
    $2,851.00 - $3,282.00
    $2,851.00

    S&S Model LB7-10VCO-R-SET (Reman) or LB7-10VCO-SET (New) LB7 TorqueMaster Injector

    $2,851.00 - $3,282.00
    $2,851.00
    $2,851.00 - $3,282.00
    $2,851.00
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  • S&S Diesel Motorsport Duramax 10mm CP3 High Speed (1,325 mm3 /rev displacement)- NEW. S&S Diesel Motorsport Duramax 12mm CP3 High Speed WITH SP300.

    S&S Diesel Motorsport Duramax 14mm CP3 High Speed WITH SP3000 Mechanical Pump

    S&S
    $5,650.00 - $5,650.00
    $5,650.00
    $5,650.00 - $5,650.00
    $5,650.00

    S&S Model CP3-DMX-14-HS-SP The SP3000 is a single mechanical solution that replaces the small factory supply pump, and will flow up to 2,791 l/...

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    $5,650.00 - $5,650.00
    $5,650.00
    $5,650.00 - $5,650.00
    $5,650.00
  • 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 14mm CP3 High Speed (1,850 mm3 /rev displacement) - New

    S&S
    $4,201.00 - $4,201.00
    $4,201.00
    $4,201.00 - $4,201.00
    $4,201.00

    S&S Model CP3-DMX-14-HSS&S Diesel Motorsport Duramax 14mm CP3 High Speed (1,850 mm3 /rev displacement) | New LBZ-based. Optimized for high...

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    $4,201.00 - $4,201.00
    $4,201.00
    $4,201.00 - $4,201.00
    $4,201.00
  • S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New. S&S Diesel Motorsport Duramax 14mm CP3 (1,850 mm3 /rev displacement) - New.

    S&S Diesel Motorsport Duramax 14mm CP3 (1,850 mm3 /rev displacement) - New

    S&S
    $4,056.00 - $4,056.00
    $4,056.00
    $4,056.00 - $4,056.00
    $4,056.00

    S&S Model CP3-DMX-14S&S Diesel Motorsport Duramax 14mm CP3 (1,850 mm3 /rev displacement) | New LBZ-based. 2001-2010 Duramax Trucks *01-05 L...

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    $4,056.00 - $4,056.00
    $4,056.00
    $4,056.00 - $4,056.00
    $4,056.00
  • S&S Diesel Motorsport Duramax 10mm CP3 High Speed (1,325 mm3 /rev displacement)- NEW. S&S Diesel Motorsport Duramax 12mm CP3 High Speed WITH SP300.

    S&S Diesel Motorsport Duramax 12mm CP3 High Speed WITH SP300

    S&S
    $5,215.00 - $5,215.00
    $5,215.00
    $5,215.00 - $5,215.00
    $5,215.00

    S&S Model CP3-DMX-12-HS-SP The SP3000 is a single mechanical solution that replaces the small factory supply pump, and will flow up to 2,791 l/...

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    $5,215.00 - $5,215.00
    $5,215.00
    $5,215.00 - $5,215.00
    $5,215.00
  • 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
    $3,187.00 - $3,187.00
    $3,187.00
    $3,187.00 - $3,187.00
    $3,187.00

    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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    $3,187.00 - $3,187.00
    $3,187.00
    $3,187.00 - $3,187.00
    $3,187.00
  • 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
    $2,897.00 - $2,897.00
    $2,897.00
    $2,897.00 - $2,897.00
    $2,897.00

    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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    $2,897.00 - $2,897.00
    $2,897.00
    $2,897.00 - $2,897.00
    $2,897.00
  • 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
    $1,159.00 - $1,159.00
    $1,159.00
    $1,159.00 - $1,159.00
    $1,159.00

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

    $1,159.00 - $1,159.00
    $1,159.00
    $1,159.00 - $1,159.00
    $1,159.00
  • 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
    $218.00 - $218.00
    $218.00
    $218.00 - $218.00
    $218.00

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

    $218.00 - $218.00
    $218.00
    $218.00 - $218.00
    $218.00
  • 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
    $253.00 - $253.00
    $253.00
    $253.00 - $253.00
    $253.00

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

    $253.00 - $253.00
    $253.00
    $253.00 - $253.00
    $253.00
  • 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
    $253.00 - $253.00
    $253.00
    $253.00 - $253.00
    $253.00

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

    $253.00 - $253.00
    $253.00
    $253.00 - $253.00
    $253.00
  • 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
    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00

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

    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00
  • 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
    $73.00 - $73.00
    $73.00
    $73.00 - $73.00
    $73.00

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

    $73.00 - $73.00
    $73.00
    $73.00 - $73.00
    $73.00
  • 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
    $537.00 - $537.00
    $537.00
    $537.00 - $537.00
    $537.00

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

    $537.00 - $537.00
    $537.00
    $537.00 - $537.00
    $537.00
  • 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
    $95.00 - $95.00
    $95.00
    $95.00 - $95.00
    $95.00

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

    $95.00 - $95.00
    $95.00
    $95.00 - $95.00
    $95.00
  • 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
    $44.00 - $44.00
    $44.00
    $44.00 - $44.00
    $44.00

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

    $44.00 - $44.00
    $44.00
    $44.00 - $44.00
    $44.00
  • 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
    $44.00 - $44.00
    $44.00
    $44.00 - $44.00
    $44.00

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

    $44.00 - $44.00
    $44.00
    $44.00 - $44.00
    $44.00

 

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