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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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    Fleece Performance 01-16 GM Duramax 6.6L CP3 Adapter Kit w/O-Rings

    Fleece Performance
    $59.84 - $59.84
    $59.84
    $66.49
    $66.49 - $66.49
    $66.49

    Fleece Performance Model FPE-DMAX-CP3-ADPTReplacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings ...

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    $59.84 - $59.84
    $59.84
    $66.49
    $66.49 - $66.49
    $66.49
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    Fleece Performance 2017+ GM Silverado 2500/3500 6.6L L5P Duramax High Flow Intake Horn

    Fleece Performance
    $152.99 - $152.99
    $152.99
    $169.99
    $169.99 - $169.99
    $169.99

    Fleece Performance Model FPE-L5P-INTAKEHORNGain up to 10 additional RWHP with our cast aluminum high flow intake horn for the 2017-2019 L5P 6.6L Du...

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    $152.99 - $152.99
    $152.99
    $169.99
    $169.99 - $169.99
    $169.99
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    Fleece Performance Duramax Remote Turbo Oil Feed Line Kit for 01-16 Duramax/w 1/4 NPT Oil Inlet

    Fleece Performance
    $89.99 - $89.99
    $89.99
    $99.99
    $99.99 - $99.99
    $99.99

    Fleece Performance Model FPE-DTFL-S3S4-0116Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal be...

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    $89.99 - $89.99
    $89.99
    $99.99
    $99.99 - $99.99
    $99.99
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    Fleece Performance 17-22 GM 2500/3500 Duramax MAP Sensor Spacer & Boost Reference Port

    Fleece Performance
    $62.09 - $62.09
    $62.09
    $68.99
    $68.99 - $68.99
    $68.99

    Fleece Performance Model FPE-L5P-MAP-SPRAll new Fleece Performance MAP sensor spacer with boost reference port for the L5P Duramax. Problem: Becaus...

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    $62.09 - $62.09
    $62.09
    $68.99
    $68.99 - $68.99
    $68.99
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    Fleece Performance 01-17 GM Duramax Billet Coolant Block Off Plate

    Fleece Performance
    $49.50 - $49.50
    $49.50
    $55.00
    $55.00 - $55.00
    $55.00

    Fleece Performance Model FPE-DMAX-CBOP2001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage a...

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    $49.50 - $49.50
    $49.50
    $55.00
    $55.00 - $55.00
    $55.00
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    Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Hardware Kit w/o Pump

    Fleece Performance
    $674.10 - $674.10
    $674.10
    $749.00
    $749.00 - $749.00
    $749.00

    Fleece Performance Model FPE-LML-CP3-NPConvert your LML's fuel system from a CP4 to a CP3. Improve your LML Duramax's reliability and fueling capab...

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    $674.10 - $674.10
    $674.10
    $749.00
    $749.00 - $749.00
    $749.00
  • Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Passenger Side). Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Passenger Side).

    Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Passenger Side)

    Fleece Performance
    $1,099.00 - $1,099.00
    $1,099.00
    $1,099.00 - $1,099.00
    $1,099.00

    Fleece Performance Model FPE-61-10014-PFleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Passenger Side) Each cylinder head is ma...

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    $1,099.00 - $1,099.00
    $1,099.00
    $1,099.00 - $1,099.00
    $1,099.00
  • Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Driver Side). Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Driver Side).

    Fleece Performance 17-23 GM L5P 2500/3500 Freedom Series Cylinder Head (Driver Side)

    Fleece Performance
    $1,099.00 - $1,099.00
    $1,099.00
    $1,099.00 - $1,099.00
    $1,099.00

    Fleece Performance Model FPE-61-10014-DFleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Driver Side) Each cylinder head is manuf...

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    $1,099.00 - $1,099.00
    $1,099.00
    $1,099.00 - $1,099.00
    $1,099.00
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    Fleece PowerFlo® Lift Pump for 2007.5-2010 LMM Duramax

    Fleece Performance
    $719.10 - $719.10
    $719.10
    $799.00
    $799.00 - $799.00
    $799.00

    Fleece Performance Model FPE-34790 The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Per...

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    $719.10 - $719.10
    $719.10
    $799.00
    $799.00 - $799.00
    $799.00
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    Fleece 04.5-10 PowerFlo® Lift Pump for 2004.5-2007 LLY/LBZ Duramax

    Fleece Performance
    $719.10 - $719.10
    $719.10
    $799.00
    $799.00 - $799.00
    $799.00

    Fleece Performance Model FPE-34789 The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Per...

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    $719.10 - $719.10
    $719.10
    $799.00
    $799.00 - $799.00
    $799.00
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    Fleece Performance Fuel Temperature Sensor Mounting Block For LML Duramax CP3 Conversions

    Fleece Performance
    $23.39 - $23.39
    $23.39
    $25.99
    $25.99 - $25.99
    $25.99

    Fleece Performance Model FPE-DMAX-LML-FTSMFleece Performance Fuel Temperature Sensor Mounting Block For LML Duramax CP3 Conversions

    $23.39 - $23.39
    $23.39
    $25.99
    $25.99 - $25.99
    $25.99
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    Fleece Performance 06-10 GM 2500/3500 Duramax Replacement Transmission Line (LBZ/LMM) - Short Line

    Fleece Performance
    $68.39 - $68.39
    $68.39
    $75.99
    $75.99 - $75.99
    $75.99

    Fleece Performance Model FPE-TL-LBZ-LMM-SHORT-SERFleece Performance 06-10 GM 2500/3500 Duramax Replacement Transmission Line (LBZ/LMM) - Short Line...

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    $68.39 - $68.39
    $68.39
    $75.99
    $75.99 - $75.99
    $75.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line

    Fleece Performance
    $85.49 - $85.49
    $85.49
    $94.99
    $94.99 - $94.99
    $94.99

    Fleece Performance Model FPE-TL-LB7-LMM-MED-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line ...

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    $85.49 - $85.49
    $85.49
    $94.99
    $94.99 - $94.99
    $94.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line

    Fleece Performance
    $121.49 - $121.49
    $121.49
    $134.99
    $134.99 - $134.99
    $134.99

    Fleece Performance Model FPE-TL-LB7-LMM-LONG-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line ...

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    $121.49 - $121.49
    $121.49
    $134.99
    $134.99 - $134.99
    $134.99
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line

    Fleece Performance
    $68.39 - $68.39
    $68.39
    $75.99
    $75.99 - $75.99
    $75.99

    Fleece Performance Model FPE-TL-LB7-LLY-SHORT-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line...

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    $68.39 - $68.39
    $68.39
    $75.99
    $75.99 - $75.99
    $75.99
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    Fleece Performance 01-19 GM 2500/3500 Allison LCT/GM 4T65-E Internal Harness Connector & Seal (7pk)

    Fleece Performance
    $125.99 - $125.99
    $125.99
    $139.99
    $139.99 - $139.99
    $139.99

    Fleece Performance Model FPE-HAR-GM-LCT-SEAL-7PGet rid of oil leaks from the harness connector with our replacement internal wiring harness seal fo...

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    $125.99 - $125.99
    $125.99
    $139.99
    $139.99 - $139.99
    $139.99
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    Fleece Performance 11-16 GM 2500-3500 Duramax Fuel Rail Pressure Harness

    Fleece Performance
    $62.99 - $62.99
    $62.99
    $69.99
    $69.99 - $69.99
    $69.99

    Fleece Performance Model FPE-HAR-DMAX-LML-RPFleece Performance 11-16 GM 2500-3500 Duramax Fuel Rail Pressure Harness Our Fuel Rail Pressure harness...

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    $62.99 - $62.99
    $62.99
    $69.99
    $69.99 - $69.99
    $69.99
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    Fleece Performance GM Silverado/Sierra 2500/3500 6.6L LLY Duramax Vane Position Sensor Pigtail

    Fleece Performance
    $26.09 - $26.09
    $26.09
    $28.99
    $28.99 - $28.99
    $28.99

    Fleece Performance Model FPE-HAR-DMAX-VPS-0405Replacement connector with 6 inch pigtail for use on the 6.6L Duramax turbocharger vane position sens...

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    $26.09 - $26.09
    $26.09
    $28.99
    $28.99 - $28.99
    $28.99
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    Fleece Performance Duramax Remote Turbo Oil Feed Line Kit for 01-16 6.6L Duramax Turbochargers

    Fleece Performance
    $89.99 - $89.99
    $89.99
    $99.99
    $99.99 - $99.99
    $99.99

    Fleece Performance Model FPE-DTFL-0116Make turbo installations easier and ensure good oil supply to your turbocharger with our remote oil feed line...

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    $89.99 - $89.99
    $89.99
    $99.99
    $99.99 - $99.99
    $99.99
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    Fleece Performance 17-22 GM 2500/3500 Duramax Replacement Fuel Injector Connector w/Pigtail (4 Pack)

    Fleece Performance
    $161.99 - $161.99
    $161.99
    $179.99
    $179.99 - $179.99
    $179.99

    Fleece Performance Model FPE-HAR-L5P-INJ-PT-4PA common failure point on the L5P Duramax, our replacement connector with 4.5 inch pigtail for the fu...

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    $161.99 - $161.99
    $161.99
    $179.99
    $179.99 - $179.99
    $179.99
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    Fleece Performance 11+ GM Duramax 6.6L 2500-3500HD Pickups Tie Rod Sleeves

    Fleece Performance
    $73.71 - $73.71
    $73.71
    $81.90
    $81.90 - $81.90
    $81.90

    Fleece Performance Model FPE-TIERODSLEEVES-LMLFleece Performance LML Tie Rod Sleeves are a must for any 2011 and up GM 2500-3500HD pickup that util...

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    $73.71 - $73.71
    $73.71
    $81.90
    $81.90 - $81.90
    $81.90
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    Fleece Performance 11-16 GM Duramax Long Bed SureFlo Performance Sending Unit

    Fleece Performance
    $323.10 - $323.10
    $323.10
    $359.00
    $359.00 - $359.00
    $359.00

    Fleece Performance Model FPE-SF-GM-1116-LBProblem: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need ...

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    $323.10 - $323.10
    $323.10
    $359.00
    $359.00 - $359.00
    $359.00
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    Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit w/HD CP3

    Fleece Performance
    $2,339.10 - $2,339.10
    $2,339.10
    $2,599.00
    $2,599.00 - $2,599.00
    $2,599.00

    Fleece Performance Model FPE-LML-CP3-10Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previou...

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    $2,339.10 - $2,339.10
    $2,339.10
    $2,599.00
    $2,599.00 - $2,599.00
    $2,599.00
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    Fleece Performance 11-16 GM 2500/3500 Duramax Auxiliary Heated Fuel Filter Kit

    Fleece Performance
    $359.10 - $359.10
    $359.10
    $399.00
    $399.00 - $399.00
    $399.00

    Fleece Performance Model FPE-DMAX-HFFBA-1116Introducing our all-new full featured auxiliary fuel filter kit for the 2011-2016 LML 6.6L Duramax! Thi...

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    $359.10 - $359.10
    $359.10
    $399.00
    $399.00 - $399.00
    $399.00

 

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