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LB7 Duramax Parts

Getting the most from your engine matters, especially when it’s a classic such as the LB7 Duramax. If your truck has one of these, you might be concerned about where to find everything you need to keep it in its best possible condition. Fortunately, Powerhouse Diesel has a huge selection of LB7 Duramax parts to help you boost its performance, extend its lifespan and ensure it remains in good working order for as long as possible.

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    ATS Diesel GM Billet Flexplate (SFI 29.3)

    ATS Diesel
    $ 15,177.00 - $ 15,177.00
    $ 15,177.00
    $ 15,177.00 - $ 15,177.00
    $ 15,177.00

    ATS Model 3059004248SFI approved billet flexplates from ATS will hold up under the most extreme conditions. ATS billet flexplates are SFI approved,...

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    $ 15,177.00 - $ 15,177.00
    $ 15,177.00
    $ 15,177.00 - $ 15,177.00
    $ 15,177.00
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    ATS Diesel 2001-05 GM LCT1000 5-Speed Trim Valve Kit

    ATS Diesel
    $ 3,017.00 - $ 3,017.00
    $ 3,017.00
    $ 3,017.00 - $ 3,017.00
    $ 3,017.00

    ATS Model 3039044248Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...

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    $ 3,017.00 - $ 3,017.00
    $ 3,017.00
    $ 3,017.00 - $ 3,017.00
    $ 3,017.00
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    ATS Diesel 01+ GM / 03+ Dodge 14-Bolt 11.5in American Axle ATS Protector Rear Differential Cover

    ATS Diesel
    $ 5,468.00 - $ 5,468.00
    $ 5,468.00
    $ 5,468.00 - $ 5,468.00
    $ 5,468.00

    ATS Model 4029156248ATS Protector Rear Differential Cover for AAM 14-Bolt 11.5 Inch. Cast aluminum construction with a black powdercoat finish. Kit...

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    $ 5,468.00 - $ 5,468.00
    $ 5,468.00
    $ 5,468.00 - $ 5,468.00
    $ 5,468.00
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    ATS Diesel 2000 - Early 05 Dodge 2wd NV5600 Trans

    ATS Diesel
    $ 104,161.00 - $ 104,161.00
    $ 104,161.00
    $ 104,161.00 - $ 104,161.00
    $ 104,161.00

    ATS Model 3119622236ATS Built NV5600 6-Speed Manual Trans, 2000-Early 2005 Dodge 2WDDetails: ATS NV5600 Transmission 6-Speed Manual Cast Iron Case...

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    $ 104,161.00 - $ 104,161.00
    $ 104,161.00
    $ 104,161.00 - $ 104,161.00
    $ 104,161.00
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    Fleece Performance 01-19 GM 2500/3500 Allison LCT/GM 4T65-E Internal Harness Connector & Seal (7pk)

    Fleece Performance
    $ 0.00 - $ 0.00
    $ 0.00
    $ 2,640.00
    $ 2,640.00 - $ 2,640.00
    $ 2,640.00

    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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    $ 0.00 - $ 0.00
    $ 0.00
    $ 2,640.00
    $ 2,640.00 - $ 2,640.00
    $ 2,640.00
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    Kicker Bar Kit | 6 Inch Lift | Chevy/GMC 2500HD 4WD (01-10)

    Rough Country
    $ 2,450.00 - $ 2,450.00
    $ 2,450.00
    $ 2,450.00 - $ 2,450.00
    $ 2,450.00

    Kicker braces add rigidity to the front crossmember assembly and are highly recommended for aggressive off road use.

    $ 2,450.00 - $ 2,450.00
    $ 2,450.00
    $ 2,450.00 - $ 2,450.00
    $ 2,450.00
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    Carrier Bearing Drop Kit | Chevy/GMC 2500HD 2WD/4WD (01-10)

    Rough Country
    $ 565.00 - $ 565.00
    $ 565.00
    $ 565.00 - $ 565.00
    $ 565.00

    Carrier bearing drop kit required for 01-06 1500 HD Pickups with 2-piece drive shafts.

    $ 565.00 - $ 565.00
    $ 565.00
    $ 565.00 - $ 565.00
    $ 565.00
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    LED Light Mounts | Upper Windshield | 54" Curved | Chevy/GMC 1500 (99-06 & Classic)

    Rough Country
    $ 942.00 - $ 942.00
    $ 942.00
    $ 942.00 - $ 942.00
    $ 942.00

    Ride proudly into the night with Rough Country's 54-inch Curved LED Upper Windshield Light Bar Mounts for 99-06 GM Pickups & SUV's. Our durable...

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    $ 942.00 - $ 942.00
    $ 942.00
    $ 942.00 - $ 942.00
    $ 942.00
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    HD Tie Rod Sleeves | Chevy/GMC 1500/2500HD/Tahoe/Yukon 4WD

    Rough Country
    $ 754.00 - $ 754.00
    $ 754.00
    $ 754.00 - $ 754.00
    $ 754.00

    One area seriously lacking on most GM trucks is the steering link. With an outside diameter of only 1/2in, one wrong turn can easily bend the tie r...

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    $ 754.00 - $ 754.00
    $ 754.00
    $ 754.00 - $ 754.00
    $ 754.00
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    Rear Wheel Well Liners | Chevy Silverado/GMC Sierra 1500 2WD/4WD (1999-2006 & Classic)

    Rough Country
    $ 1,885.00 - $ 1,885.00
    $ 1,885.00
    $ 1,885.00 - $ 1,885.00
    $ 1,885.00

    Give your rear wheel wells superior protection and a striking, new look with Rough Country's Rear Wheel Well Liners. Made of high-density Polyethyl...

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    $ 1,885.00 - $ 1,885.00
    $ 1,885.00
    $ 1,885.00 - $ 1,885.00
    $ 1,885.00
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    2 Inch Leveling Kit | Chevy/GMC 2500HD (01-10)

    Rough Country
    $ 1,508.00 - $ 1,885.00
    $ 1,508.00 - $ 1,885.00
    $ 1,508.00 - $ 1,885.00
    $ 1,508.00

    Crank it up with Rough Country;s 2001-2010 Torsion Bar Leveling Kit. Featuring a set of durable, forged Torsion bar Keys, this kit affords you plen...

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    $ 1,508.00 - $ 1,885.00
    $ 1,508.00 - $ 1,885.00
    $ 1,508.00 - $ 1,885.00
    $ 1,508.00
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    2 Inch Leveling Kit | Shock Ext | Chevy/GMC 2500HD (01-10)

    Rough Country
    $ 1,885.00 - $ 1,885.00
    $ 1,885.00
    $ 1,885.00 - $ 1,885.00
    $ 1,885.00

    Crank it up with Rough Country;s 2001-2010 Torsion Bar Leveling Kit. Featuring a set of durable, forged Torsion bar Keys and shock extension bracke...

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    $ 1,885.00 - $ 1,885.00
    $ 1,885.00
    $ 1,885.00 - $ 1,885.00
    $ 1,885.00
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    Bilstein B8 5160 Series Shock Absorber 11-23 Chevrolet Silverado 2500/3500 HD Rear For 0-2in Lift

    Bilstein
    $ 5,449.00 - $ 5,449.00
    $ 5,449.00
    $ 5,449.00 - $ 5,449.00
    $ 5,449.00

    Bilstein B8 5160 remote reservoir shock absorbers are designed as a direct fit solution for lifted trucks and SUV’s. The remote reservoir will of...

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    $ 5,449.00 - $ 5,449.00
    $ 5,449.00
    $ 5,449.00 - $ 5,449.00
    $ 5,449.00
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    Exergy Duramax CP3 Rear Outlet Fitting & Plug Kit

    Exergy
    $ 1,207.00 - $ 1,207.00
    $ 1,207.00
    $ 1,207.00 - $ 1,207.00
    $ 1,207.00

    Exergy Model 1-018-124 Exergy Duramax CP3 Rear Outlet Fitting and Plug Kit

    $ 1,207.00 - $ 1,207.00
    $ 1,207.00
    $ 1,207.00 - $ 1,207.00
    $ 1,207.00
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    Wehrli 2001-2007 Duramax LB7/LLY/LBZ Allison 4x4 Transfer Case Brace - WCFab Red

    Wehrli
    $ 3,846.00
    $ 3,846.00 - $ 3,846.00
    $ 3,846.00
    $ 3,731.00
    $ 3,731.00 - $ 3,731.00
    $ 3,731.00

    Wehrli Model WCF1001302001-2007 LB7/LLY/LBZ Duramax Allison Transfer Case Braces have been developed and tested for use on high horsepower Duramax ...

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    $ 3,846.00
    $ 3,846.00 - $ 3,846.00
    $ 3,846.00
    $ 3,731.00
    $ 3,731.00 - $ 3,731.00
    $ 3,731.00
    Save 3% Save %
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    1" Rear Block Kit - GM Truck

    ReadyLift
    $ 3,016.00 - $ 3,016.00
    $ 3,016.00
    $ 3,016.00 - $ 3,016.00
    $ 3,016.00

    Readylift Model 66-3051 QUICK OVERVIEW Chevy/GMC 1" OEM Style Rear Block Kit Single Rear Wheel Only (will not fit Dually) OEM style cast iron with...

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    $ 3,016.00 - $ 3,016.00
    $ 3,016.00
    $ 3,016.00 - $ 3,016.00
    $ 3,016.00
  • Wehrli 17-24 6.7L Power Stroke Coolant Tank w/ Battery Box. responsive-image

    Wehrli 01-10 Duramax ECLB & CCLB 68in Traction Bar Kit

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 18,269.00
    $ 18,269.00 - $ 18,269.00
    $ 18,269.00

    Wehrli Model WCF100852 ***This kit includes 68" long bars for Extended Cab Long Bed and Crew Cab Long Bed Models*** ***This kit is for 2001-2010 GM...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 18,269.00
    $ 18,269.00 - $ 18,269.00
    $ 18,269.00
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    Wehrli LB7 / LLY / LBZ Duramax MAF Sensor Aluminum Weld Bung

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 641.00
    $ 641.00 - $ 641.00
    $ 641.00

    Wehrli Model WCF205-26Wehrli LB7 / LLY / LBZ Duramax MAF Sensor Aluminum Weld Bung

    $ 0.00 - $ 0.00
    $ 0.00
    $ 641.00
    $ 641.00 - $ 641.00
    $ 641.00
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    Wehrli 01-04 LB7 Duramax MAP Sensor Aluminum Weld Bung

    Wehrli
    $ 0.00 - $ 0.00
    $ 0.00
    $ 549.00
    $ 549.00 - $ 549.00
    $ 549.00

    Wehrli Model WCF205-35Wehrli 01-04 LB7 Duramax MAP Sensor Aluminum Weld Bung

    $ 0.00 - $ 0.00
    $ 0.00
    $ 549.00
    $ 549.00 - $ 549.00
    $ 549.00
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    Kryptonite Traction Bar Rebuild Kit For 2001–2010 Chevy/GMC HP Trucks

    Kryptonite
    $ 1,254.00 - $ 1,254.00
    $ 1,254.00
    $ 1,254.00 - $ 1,254.00
    $ 1,254.00

    Fits; KRTB10 Part# KRTB10-R Death Grip Full Floating Traction Bar Rebuild Kit replaces all bushings and bump stops on your existing Traction bar k...

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    $ 1,254.00 - $ 1,254.00
    $ 1,254.00
    $ 1,254.00 - $ 1,254.00
    $ 1,254.00
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    BD Diesel 2004-2006 Chevy 6.6L Duramax LLY Premium Stock Injector

    BD Diesel
    $ 8,009.00 - $ 8,009.00
    $ 8,009.00
    $ 8,427.00
    $ 8,427.00 - $ 8,427.00
    $ 8,427.00

    Flow matched high performance exchange common rail (CR) injectors supporting 60hp up to 160hp, 33% to 73% over. OE quality nozzles are extrude hone...

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    $ 8,009.00 - $ 8,009.00
    $ 8,009.00
    $ 8,427.00
    $ 8,427.00 - $ 8,427.00
    $ 8,427.00
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    62 Gallon Replacement Fuel Tank For 01-04 GM Duramax 6.6L Crew Cab Short Bed S&B

    S&B
    $ 25,433.00 - $ 25,433.00
    $ 25,433.00
    $ 25,433.00 - $ 25,433.00
    $ 25,433.00

    62 Gallon Replacement Tank For 2001-2004 GM Duramax 6.6L, Crew Cab Short BedDetails: 62 Gallon After Axle Replacement Tank For 2001-2004 GM Durama...

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    $ 25,433.00 - $ 25,433.00
    $ 25,433.00
    $ 25,433.00 - $ 25,433.00
    $ 25,433.00
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    XDP Billet Tow & Race Series Flex Plate 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML Allison A1000

    XDP
    $ 5,127.00 - $ 5,127.00
    $ 5,127.00
    $ 5,127.00 - $ 5,127.00
    $ 5,127.00

    XDP Model XD651Upgrade your truck with a XDP Billet Tow & Race Series Flex Plate XD651. If your truck is used for racing, sled pulling, or hot ...

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    $ 5,127.00 - $ 5,127.00
    $ 5,127.00
    $ 5,127.00 - $ 5,127.00
    $ 5,127.00
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    WT Rubber Mats - Rear - Tan

    WeatherTech
    $ 2,035.00 - $ 2,035.00
    $ 2,035.00
    $ 2,035.00 - $ 2,035.00
    $ 2,035.00

    The WeatherTech All-Weather Floor Mats have deeply sculpted channels designed to trap water, road salt, mud and sand. They wont curl, crack or har...

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    $ 2,035.00 - $ 2,035.00
    $ 2,035.00
    $ 2,035.00 - $ 2,035.00
    $ 2,035.00

BUILT FOR PERFORMANCE

Developed out of a collaboration between General Motors and Isuzu, the Duramax LB7 is a first-generation diesel engine and the first to bear the name “Duramax.” It was designed to fit the HD range of GM pickup trucks, including the Chevy Silverado HD and GMC Sierra HD. Introduced in 2001, it saw production until its replacement with the LLY Duramax in 2004. Overall, it’s known as a reliable and strong diesel engine, which is why so many owners are willing to take the time to take care of them.

Here at Powerhouse Diesel, our inventory of LB7 duramax performance parts and accessories includes just about everything you could need. We have a huge range of options from many of the top manufacturers in the industry, including Fleece, Kryptonite,DDP and Rough Country. This is critical because when you’re trying to make improvements to how your engine performs, you need to have the highest-quality components. Without the best LB7 upgrades, there’s a good chance you’ll continue to have issues with your engine.

Our selection of LB7 duramax parts can help you no matter what you’re looking for from your truck. Whether you’re trying to boost efficiency, get more raw power or just need to perform routine maintenance, we have something to help you. Here you’ll find LB7 accessories and parts including:

  • Suspension parts
  • Turbochargers
  • Exhausts
  • Injectors
  • Intakes and cooling system parts
  • Injection pumps and lift pumps
  • And more

LET US SHOW YOU THE WAY

Our expertise and knowledge make us the best place to look for parts to upgrade your LB7 Duramax. When you shop with us, our experienced team can help you narrow down your search and find the components that are perfect for whatever result you want. We’ll answer your questions and show you all your options so you can get the most from your engine. If you’re ready to learn more about what we have in stock and what it can do for you, browse through our products or get in touch with us today.

Powerhouse Diesel