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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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    Mishimoto 01-03 Chevrolet / GMC 6.6L Duramax (LB7) Transmission Cooler

    Mishimoto
    $549.00
    $549.00 - $549.00
    $549.00
    $498.95
    $498.95 - $498.95
    $498.95

    There's no greater enemy for a transmission than heat. Whether your 2001-2003 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

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    $549.00
    $549.00 - $549.00
    $549.00
    $498.95
    $498.95 - $498.95
    $498.95
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    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - SILVER

    Mishimoto
    $1,155.00
    $1,155.00 - $1,155.00
    $1,155.00
    $1,049.95
    $1,049.95 - $1,049.95
    $1,049.95

    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - SILVER Mishimoto has expanded their Duramax performance parts line to include a per...

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    $1,155.00
    $1,155.00 - $1,155.00
    $1,155.00
    $1,049.95
    $1,049.95 - $1,049.95
    $1,049.95
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    Mishimoto Aluminum Radiator 2001-2005 LB7 LLY Duramax 6.6L

    Mishimoto
    $1,045.00
    $1,045.00 - $1,045.00
    $1,045.00
    $949.95
    $949.95 - $949.95
    $949.95

    Mishimoto Aluminum Radiator 2001-2005 LB7 LLY Duramax 6.6L Mishimoto has released a performance aluminum radiator for the 2001-2005 Chevrolet/GMC 6...

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    $1,045.00
    $1,045.00 - $1,045.00
    $1,045.00
    $949.95
    $949.95 - $949.95
    $949.95
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    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - BLACK

    Mishimoto
    $1,155.00
    $1,155.00 - $1,155.00
    $1,155.00
    $1,049.95
    $1,049.95 - $1,049.95
    $1,049.95

    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - BLACK Mishimoto has expanded their Duramax performance parts line to include a perf...

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    $1,155.00
    $1,155.00 - $1,155.00
    $1,155.00
    $1,049.95
    $1,049.95 - $1,049.95
    $1,049.95
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    Mishimoto Aluminum Intercooler Pipe & Boot Kit 2002*-2004 LB7 - NOT 2001 MODEL

    Mishimoto
    $561.00
    $561.00 - $561.00
    $561.00
    $509.95
    $509.95 - $509.95
    $509.95

    The Mishimoto 6.6L Duramax intercooler pipe and boot kit is an ideal upgrade in reliability and performance.The Mishimoto kit features polished al...

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    $561.00
    $561.00 - $561.00
    $561.00
    $509.95
    $509.95 - $509.95
    $509.95
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    Fleece 01-04 GM Silverado/Sierra 2500 6.6L-V8 Duramax Truck PowerFlo In-tank Lift Pump

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $649.00
    $649.00 - $649.00
    $649.00

    Fleece Performance Model FPE-PF-GM-0104Fleece Performance Model FPE-PF-GM-0104Fleece 01-04 GM Silverado/Sierra 2500 6.6L-V8 Duramax Truck PowerFlo ...

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    $0.00 - $0.00
    $0.00
    $649.00
    $649.00 - $649.00
    $649.00
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    Fleece Performance 01-04 GM Duramax 6.6L LB7 63mm Billet LB7 Cheetah Turbocharger

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,999.00
    $1,999.00 - $1,999.00
    $1,999.00

    Fleece Performance Model FPE-LB7-63Wake up your 2001-2004 LB7 with the drop in replacement Fleece Performance LB7 Cheetah Turbocharger. Featuring a...

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    $0.00 - $0.00
    $0.00
    $1,999.00
    $1,999.00 - $1,999.00
    $1,999.00
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    Fleece Performance 01-04 GM Duramax 6.6L LB7 High Flow LB7 Intake Horn

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $99.75
    $99.75 - $99.75
    $99.75

    Fleece Performance Model FPE-INTAKEHORNIncrease your LB7?s potential with this simple, but effective upgrade. Back-to-back dyno pulls showed an inc...

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    $0.00 - $0.00
    $0.00
    $99.75
    $99.75 - $99.75
    $99.75
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    Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Driver Side)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00

    Fleece Performance Model FPE-61-10001-D-CLFreedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and m...

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    $0.00 - $0.00
    $0.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00
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    Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Pssgr Side)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00

    Fleece Performance Model FPE-61-10001-P-CLFreedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and m...

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    $0.00 - $0.00
    $0.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Inlet Metering Valve (FCA/MPROP)

    Exergy
    $187.00 - $187.00
    $187.00
    $187.00 - $187.00
    $187.00

    Exergy Model E05 10105Exergy 01-04 Chevrolet Duramax 6.6L LB7 Inlet Metering Valve (FCA/MPROP) Do you have an engine lope at idle or surging while ...

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    $187.00 - $187.00
    $187.00
    $187.00 - $187.00
    $187.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman Sportsman Injector - Set of 8

    Exergy
    $2,528.00 - $2,528.00
    $2,528.00
    $2,528.00 - $2,528.00
    $2,528.00

    Exergy Model E01 10102Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman Sportsman Injector - Set of 8 8 LB7 Reman Sportsman Bosch Injectors Copper Was...

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    $2,528.00 - $2,528.00
    $2,528.00
    $2,528.00 - $2,528.00
    $2,528.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Sportsman CP3 Pump (LBZ Based w/FCA)

    Exergy
    $1,270.00 - $1,270.00
    $1,270.00
    $1,270.00 - $1,270.00
    $1,270.00

    Exergy Model E04 10105Exergy 01-04 Chevrolet Duramax 6.6L LB7 Sportsman CP3 Pump (LBZ Based w/FCA) Exergy Sportsman pumps have the following improv...

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    $1,270.00 - $1,270.00
    $1,270.00
    $1,270.00 - $1,270.00
    $1,270.00
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    BD Diesel Injection Pump Stock Exchange CP3 - Chevy 2001-2004 Duramax 6.6L LB7

    BD Diesel
    $857.43 - $857.43
    $857.43
    $883.95
    $883.95 - $883.95
    $883.95

    BD Diesel Stock Remanufactured CP3 Injection Pump- 2001-2004 LB7 Duramax 6.6L This Part Fits: Year Make Model Submodel 2001-2004 Chevrolet S...

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    $857.43 - $857.43
    $857.43
    $883.95
    $883.95 - $883.95
    $883.95
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    Kryptonite Torsion Key Unloading Tool For 1988–2025 Universal Chevy/GMC Fit

    Kryptonite
    $151.99 - $151.99
    $151.99
    $151.99 - $151.99
    $151.99

    Fits:1988–2025 Chevy/GMC 1500HD / 2500HD / 3500 Trucks, Also fits: 1999–2006 GM 1500 Trucks & SUVs Universal Fit – Compatible with most GM tru...

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    $151.99 - $151.99
    $151.99
    $151.99 - $151.99
    $151.99
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    GM Remanufactured Dragon Fire 85 CP3 Injection Pump For 01-04 6.6L LB7 II Duramax Industrial Injection

    Industrial Injection
    $1,499.95
    $1,499.95 - $1,499.95
    $1,499.95
    $1,454.95
    $1,454.95 - $1,454.95
    $1,454.95

    Industrial Injection Model: 0986437303DFSEThe modified CP3 and CP4 Injection pumps offered by Industrial Injection are a drop in replacement for th...

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    $1,499.95
    $1,499.95 - $1,499.95
    $1,499.95
    $1,454.95
    $1,454.95 - $1,454.95
    $1,454.95
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    XDP Remanufactured LB7 Fuel Injector XD488 For 2001-2004 GM 6.6L Duramax LB7

    XDP
    $207.95 - $207.95
    $207.95
    $207.95 - $207.95
    $207.95

    XDP Model XD488Replace the failed fuel injector on your vehicle with the XDP Remanufactured LB7 Fuel Injector XD488. With more than 30 million fuel...

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    $207.95 - $207.95
    $207.95
    $207.95 - $207.95
    $207.95
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    XDP Connecting Rod Bolt Kit 2001-2010 GM 6.6L Duramax

    XDP
    $209.95 - $209.95
    $209.95
    $209.95 - $209.95
    $209.95

    XDP Model XD3019RBUpgrade the factory connecting rod bolts on your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Connecting Rod Bolt Kit X...

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    $209.95 - $209.95
    $209.95
    $209.95 - $209.95
    $209.95
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    OER Series Fuel Injector Line (Cylinders 2 and 7) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

    XDP Model XD597The XDP OER Series Fuel Injector Line (Cylinders 2 and 7) XD597 from XDP provides your 2001-2004 GM 6.6L Duramax LB7 with a high-qua...

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    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95
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    OER Series Fuel Injector Line (Cylinders 3 and 6) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

    XDP Model XD595The XDP OER Series Fuel Injector Line (Cylinders 3 and 6) XD595 from XDP replaces the leaking OEM fuel lines on your 2001-2004 GM 6....

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    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95
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    OER Series Fuel Injector Line (Cylinders 1 and 8) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

    XDP Model XD594Replace the contaminated or corroded fuel lines on your 2001-2004 GM 6.6L Duramax LB7 with the XDP OER Series Fuel Injector Line (Cy...

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    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95
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    OER Series Fuel Injector Line (Cylinders 4 and 5) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

    XDP Model XD596The XDP OER Series Fuel Injector Line (Cylinders 4 and 5) XD596 provide your 2001-2004 GM 6.6L Duramax LB7 with high-quality fuel li...

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    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95
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    GM H Series Rod Bearing Set For 01-16 Duramax Industrial Injection

    Industrial Injection
    $548.95
    $548.95 - $548.95
    $548.95
    $532.48
    $532.48 - $532.48
    $532.48

    Industrial Injection Model: PDM-CB-1805HC2001-2016 Duramax H Series Rod Bearings (Std .025) Coated Set. These H and HX Clevite bearings were devel...

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    $548.95
    $548.95 - $548.95
    $548.95
    $532.48
    $532.48 - $532.48
    $532.48
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    GM HX Series Main Bearings For 01-16 6.6L Duramax Industrial Injection

    Industrial Injection
    $391.95
    $391.95 - $391.95
    $391.95
    $380.19
    $380.19 - $380.19
    $380.19

    Industrial Injection Model: PDM-MS-2218HXC2001-2016 Duramax Hx Series Main Bearings (Std +.001) Coated. These H and HX Clevite bearings were develo...

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    $391.95
    $391.95 - $391.95
    $391.95
    $380.19
    $380.19 - $380.19
    $380.19
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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