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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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  • S400 4.62 S400 down pipe with clamp

    Smeding
    $291.00 - $291.00
    $291.00
    $291.00 - $291.00
    $291.00

    S400 4.62 S400 down pipe with clamp

    $291.00 - $291.00
    $291.00
    $291.00 - $291.00
    $291.00
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    XDP Duramax Cat Adapter With 1R-0750 Filter, Bleeder Screw & Spacer XD171

    XDP
    $161.00 - $161.00
    $161.00
    $161.00 - $161.00
    $161.00

    XDP Model XD171The XDP Duramax CAT Adapter with 1R-0750 Filter, Bleeder Screw & Spacer XD171 is an easy way to upgrade the fuel filter on your ...

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    $161.00 - $161.00
    $161.00
    $161.00 - $161.00
    $161.00
  • Pusher Hollow Point Air Filter. Pusher Hollow Point Air Filter.

    Pusher Hollow Point Air Filter

    Pusher Intakes
    $115.00 - $115.00
    $115.00
    $115.00 - $115.00
    $115.00

    Pusher Part # XXCALWe have designed, refined and tested our filter's geometry over several years - and across a broad range of conditions and vehic...

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    $115.00 - $115.00
    $115.00
    $115.00 - $115.00
    $115.00
    Select Options
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    Fleece Performance 06-10 GM 2500/3500 Duramax 6.6L Fuel Pressure Regulator Wiring Harness

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $103.00
    $103.00 - $103.00
    $103.00

    Fleece Performance Model FPE-HAR-DMAX-FPROur Fuel Pressure Regulator (FPR) harness for the 2001-2010 6.6L Duramax is a direct replacement for GM Pa...

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    $0.00 - $0.00
    $0.00
    $103.00
    $103.00 - $103.00
    $103.00
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    Fleece Performance 06-10 GM Duramax 6.6L LBZ/LMM Allison Transmission Cooler Lines

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $423.00
    $423.00 - $423.00
    $423.00

    Fleece Performance Model FPE-TL-LBZ-LMMReplace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit...

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    $0.00 - $0.00
    $0.00
    $423.00
    $423.00 - $423.00
    $423.00
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    XDP Mass Air Flow (MAF) Sensor 2001-2007 GM 6.6L Duramax LB7/LLY/LBZ XD1024

    XDP
    $123.00 - $123.00
    $123.00
    $123.00 - $123.00
    $123.00

    XDP Model XD1024The XDP Mass Air Flow (MAF) Sensor XD1024 is an OE-style, direct-fit replacement the factory MAF sensor on your Chevy or GMC 6.6L D...

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    $123.00 - $123.00
    $123.00
    $123.00 - $123.00
    $123.00
  • User 1 Photo - Primary Save 9% Save %

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Black

    Mishimoto
    $168.00
    $168.00 - $168.00
    $168.00
    $153.00
    $153.00 - $153.00
    $153.00

    Mishimoto Model MMLG-SP1415-32BKThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

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    $168.00
    $168.00 - $168.00
    $168.00
    $153.00
    $153.00 - $153.00
    $153.00
    Save 9% Save %
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    Power Steering Pump New with Reservoir 2001-2010 Chevrolet Silverado/GMC Sierra 2500/3500 XDP Xtreme Diesel Performance

    XDP
    $304.00 - $304.00
    $304.00
    $304.00 - $304.00
    $304.00

    Replace that leaking or noisy power steering pump in your GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Power Steering Pump New with Reservoir XD733...

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    $304.00 - $304.00
    $304.00
    $304.00 - $304.00
    $304.00
  • XDP Harmonic Balancer Bolt XD628. XDP Harmonic Balancer Bolt XD628.

    XDP Harmonic Balancer Bolt XD628

    XDP
    $37.00 - $37.00
    $37.00
    $37.00 - $37.00
    $37.00

    XDP Model XD628

    $37.00 - $37.00
    $37.00
    $37.00 - $37.00
    $37.00
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    Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting

    Wehrli
    $0.00 - $0.00
    $0.00
    $60.00
    $60.00 - $60.00
    $60.00

    Wehrli Model 100155 *ALLOW 5-7 DAY LEAD TIME FOR SHIPMENT!Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting The factory plastic GM Coolan...

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    $0.00 - $0.00
    $0.00
    $60.00
    $60.00 - $60.00
    $60.00
  • 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
    $3,790.00 - $3,790.00
    $3,790.00
    $3,790.00 - $3,790.00
    $3,790.00

    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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    $3,790.00 - $3,790.00
    $3,790.00
    $3,790.00 - $3,790.00
    $3,790.00
  • 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
    $1,648.00 - $1,648.00
    $1,648.00
    $1,648.00 - $1,648.00
    $1,648.00

    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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    $1,648.00 - $1,648.00
    $1,648.00
    $1,648.00 - $1,648.00
    $1,648.00
  • S&S Diesel Motorsport LB7 SAC00® Injector - Reman or New Set. S&S Diesel Motorsport LB7 SAC00® Injector - Reman or New Set.

    S&S Diesel Motorsport LB7 01-04 SAC00® Injector - Reman or New Set

    S&S
    $3,464.00 - $3,954.00
    $3,464.00
    $3,464.00 - $3,954.00
    $3,464.00

    S&S Model LB7-00SAC-R-SET (Reman) or LB7-00SAC-SET (New) LB7 SAC00® Injector - Set The S&S Diesel Motorsport SAC00® injectors are a game-ch...

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    $3,464.00 - $3,954.00
    $3,464.00
    $3,464.00 - $3,954.00
    $3,464.00
    Select Options
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    S&S Diesel Motorsport Single Stage Pressure Relief Valve External Return LB7/5.9 Style 1850bar M18x1.5

    S&S
    $244.00 - $244.00
    $244.00
    $244.00 - $244.00
    $244.00

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

    $244.00 - $244.00
    $244.00
    $244.00 - $244.00
    $244.00
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    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 See our S&...

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    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00
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    XDP XTRA Cool Water Pump (With Housing) XD666

    XDP
    $231.00 - $231.00
    $231.00
    $231.00 - $231.00
    $231.00

    XDP Model XD6662001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxThe XDP X-TRA Cool Water Pump (With Housing)...

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    $231.00 - $231.00
    $231.00
    $231.00 - $231.00
    $231.00
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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
    $397.00 - $397.00
    $397.00
    $397.00 - $397.00
    $397.00

    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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    $397.00 - $397.00
    $397.00
    $397.00 - $397.00
    $397.00
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    DDP 01-04 Chevrolet Duramax 6.6L LB7 Stock Reman Injector (Single)

    DDP
    $0.00 - $0.00
    $0.00
    $478.00
    $478.00 - $478.00
    $478.00

    DDP Model DDPLB7-STKDuramax 01-04 LB7 Injector: Remanufactured stock power level injector. Every internal component replaced with new OE components...

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    $0.00 - $0.00
    $0.00
    $478.00
    $478.00 - $478.00
    $478.00
    Select Options
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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
    $0.00 - $0.00
    $0.00
    $146.00
    $146.00 - $146.00
    $146.00

    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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    $0.00 - $0.00
    $0.00
    $146.00
    $146.00 - $146.00
    $146.00
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    Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler

    Mishimoto
    $801.00
    $801.00 - $801.00
    $801.00
    $728.00
    $728.00 - $728.00
    $728.00

    There's no greater enemy for a transmission than heat. Whether your 2003-2005 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

    View full details
    $801.00
    $801.00 - $801.00
    $801.00
    $728.00
    $728.00 - $728.00
    $728.00
    Save 9% Save %
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    WeatherTech 01-02* LB7 Chevy Silverado Hood Protector - Black

    WeatherTech
    $186.00 - $186.00
    $186.00
    $186.00 - $186.00
    $186.00

    The Hood Protector is a custom-fit bug and debris shield that helps preserve and maintain paint finishes. Features a sleek and low profile made fro...

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    $186.00 - $186.00
    $186.00
    $186.00 - $186.00
    $186.00
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,308.00
    $1,308.00 - $1,308.00
    $1,308.00

    Wehrli Model WCF100693 The only High Flow 3” Complete Y-Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo and aft...

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    $0.00 - $0.00
    $0.00
    $1,308.00
    $1,308.00 - $1,308.00
    $1,308.00
    Select Options
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    Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Up Pipe Kit w/Gaskets - Single Turbo

    Wehrli
    $0.00 - $0.00
    $0.00
    $904.00
    $904.00 - $904.00
    $904.00

    Wehrli Model WCF100590Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Up Pipe Kit w/Gaskets - Single Turbo Replace the lightweight 16G, leak-...

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    $0.00 - $0.00
    $0.00
    $904.00
    $904.00 - $904.00
    $904.00
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Down Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $347.00
    $347.00 - $347.00
    $347.00

    Wehrli Model WCF100119 3" LB7 Turbo Downpipe for use with OEM charger or Stealth series Drop in. High Temp Coated and Heat Wrap included. Compatibl...

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    $0.00 - $0.00
    $0.00
    $347.00
    $347.00 - $347.00
    $347.00

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