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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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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Seal Kit (O-Ring & Copper Gasket) - Set of 8

    Exergy
    $92.00 - $92.00
    $92.00
    $92.00 - $92.00
    $92.00

    Exergy 01-04 Chevy Duramax LB7 Seal Kit (O-Ring & Copper Gasket) (Set of 8)

    $92.00 - $92.00
    $92.00
    $92.00 - $92.00
    $92.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Duramax Injector Line Set (Per Side)

    Exergy
    $566.00 - $566.00
    $566.00
    $566.00 - $566.00
    $566.00

    Exergy 01-04 Chevy Duramax LB7 Duramax Injector Line Set (Per Side)

    $566.00 - $566.00
    $566.00
    $566.00 - $566.00
    $566.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 14mm Stroker CP3 Pump Race Series (LBZ Based)

    Exergy
    $4,572.00 - $4,572.00
    $4,572.00
    $4,572.00 - $4,572.00
    $4,572.00

    Exergy 01-04 Chevy Duramax LB7 14mm Stroker CP3 Pump - Race Series (LBZ Based)

    $4,572.00 - $4,572.00
    $4,572.00
    $4,572.00 - $4,572.00
    $4,572.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 500% Over Injector w/Internal Modification - Set of 8

    Exergy
    $10,640.00 - $10,640.00
    $10,640.00
    $10,640.00 - $10,640.00
    $10,640.00

    Exergy Model E01 10164 Exergy 01-04 Chevy Duramax LB7 Reman 500% Over Injector w/Internal Modification (Set of 8) 8 LB7 Reman Bosch Injectors 500%...

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    $10,640.00 - $10,640.00
    $10,640.00
    $10,640.00 - $10,640.00
    $10,640.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 250% Over Injector - Set of 8

    Exergy
    $9,417.00 - $9,417.00
    $9,417.00
    $9,417.00 - $9,417.00
    $9,417.00

    Exergy Model E01 10154 Exergy 01-04 Chevy Duramax LB7 Reman 250% Over Injector (Set of 8) 8 LB7 Reman Bosch Injectors 250% Over Copper Washers O-r...

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    $9,417.00 - $9,417.00
    $9,417.00
    $9,417.00 - $9,417.00
    $9,417.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 300% Over Injector w/Internal Modification - Set of 8

    Exergy
    $10,023.00 - $10,023.00
    $10,023.00
    $10,023.00 - $10,023.00
    $10,023.00

    Exergy Model E01 10156 Exergy 01-04 Chevy Duramax LB7 Reman 300% Over Injector w/Internal Modification (Set of 8) 8 LB7 Reman Bosch Injectors 300%...

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    $10,023.00 - $10,023.00
    $10,023.00
    $10,023.00 - $10,023.00
    $10,023.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 400% Over Injector w/Internal Modification - Set of 8

    Exergy
    $10,274.00 - $10,274.00
    $10,274.00
    $10,274.00 - $10,274.00
    $10,274.00

    Model Exergy E01 10160 Exergy 01-04 Chevy Duramax LB7 Reman 400% Over Injector w/Internal Modification (Set of 8) 8 LB7 Reman Bosch Injectors 300%...

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    $10,274.00 - $10,274.00
    $10,274.00
    $10,274.00 - $10,274.00
    $10,274.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 200% Over Injector - Set of 8

    Exergy
    $8,800.00 - $8,800.00
    $8,800.00
    $8,800.00 - $8,800.00
    $8,800.00

    Exergy Model E01 10152 Exergy 01-04 Chevy Duramax LB7 Reman 200% Over Injector (Set of 8) 8 LB7 Reman Bosch Injectors 200% Over Copper Washers O-r...

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    $8,800.00 - $8,800.00
    $8,800.00
    $8,800.00 - $8,800.00
    $8,800.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman SAC 60% Over Injector - Set of 8

    Exergy
    $5,989.00 - $5,989.00
    $5,989.00
    $5,989.00 - $5,989.00
    $5,989.00

    Exergy Model E01 10117 Exergy 01-04 Chevy Duramax LB7 Reman SAC 60% Over Injector (Set of 8) 8 LB7 Reman SAC Bosch Injectors 60% Over Copper Washe...

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    $5,989.00 - $5,989.00
    $5,989.00
    $5,989.00 - $5,989.00
    $5,989.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman SAC 100% Over Injector - Set of 8

    Exergy
    $6,789.00 - $6,789.00
    $6,789.00
    $6,789.00 - $6,789.00
    $6,789.00

    Exergy 01-04 Chevy Duramax LB7 Reman SAC 100% Over Injector (Set of 8) 8 LB7 Reman Bosch Injectors 100% Over Copper Washers O-rings The factory n...

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    $6,789.00 - $6,789.00
    $6,789.00
    $6,789.00 - $6,789.00
    $6,789.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman SAC 45% Over Injector - Set of 8

    Exergy
    $5,566.00 - $5,566.00
    $5,566.00
    $5,566.00 - $5,566.00
    $5,566.00

    Exergy Model E01 10116Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman SAC 45% Over Injector - Set of 8 8 LB7 Reman SAC Bosch Injectors 45% Over Cop...

    View full details
    $5,566.00 - $5,566.00
    $5,566.00
    $5,566.00 - $5,566.00
    $5,566.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 150% Over Injector - Set of 8

    Exergy
    $8,194.00 - $8,194.00
    $8,194.00
    $8,194.00 - $8,194.00
    $8,194.00

    Exergy Model E01 10150 Exergy 01-04 Chevy Duramax LB7 Reman 150% Over Injector (Set of 8) 8 LB7 Reman Bosch Injectors 150% Over Copper Washers O-r...

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    $8,194.00 - $8,194.00
    $8,194.00
    $8,194.00 - $8,194.00
    $8,194.00
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    DDP Duramax 01-04 LB7 Brand New Injector Set - 75 (45% Over)

    DDP
    $6,164.00
    $6,164.00 - $6,164.00
    $6,164.00
    $5,271.00
    $5,271.00 - $5,271.00
    $5,271.00

    DDP Model DDPNLB7-75Duramax 01-04 LB7 Injector Set: Brand New injectors flowing at 45 percent over, capable of 725 RWHP with proper supporting modi...

    View full details
    $6,164.00
    $6,164.00 - $6,164.00
    $6,164.00
    $5,271.00
    $5,271.00 - $5,271.00
    $5,271.00
    Save 14% Save %
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 60% Over Injector - Set of 8

    Exergy
    $5,532.00 - $5,532.00
    $5,532.00
    $5,532.00 - $5,532.00
    $5,532.00

    Exergy Model E01 10107Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 60% Over Injector - Set of 8 8 LB7 Reman Bosch Injectors 60% Over Copper Washe...

    View full details
    $5,532.00 - $5,532.00
    $5,532.00
    $5,532.00 - $5,532.00
    $5,532.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 45% Over Injector - Set of 8

    Exergy
    $5,235.00 - $5,235.00
    $5,235.00
    $5,235.00 - $5,235.00
    $5,235.00

    Exergy Model E01 10106Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 45% Over Injector - Set of 8 8 LB7 Reman Bosch Injectors 45% Over Copper Washe...

    View full details
    $5,235.00 - $5,235.00
    $5,235.00
    $5,235.00 - $5,235.00
    $5,235.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 30% Over Injector - Set of 8

    Exergy
    $5,086.00 - $5,086.00
    $5,086.00
    $5,086.00 - $5,086.00
    $5,086.00

    Exergy Model E01 10105 Exergy 01-04 Chevy Duramax LB7 Reman 30% Over Injector (Set of 8) 8 LB7 Reman Bosch Injectors 30% Over Copper Washers O-rin...

    View full details
    $5,086.00 - $5,086.00
    $5,086.00
    $5,086.00 - $5,086.00
    $5,086.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman 100% Over Injector - Set of 8

    Exergy
    $5,977.00 - $5,977.00
    $5,977.00
    $5,977.00 - $5,977.00
    $5,977.00

    Exergy Model E01 10108 Exergy 01-04 Chevy Duramax LB7 Reman 100% Over Injector (Set of 8) 8 LB7 Reman Bosch Injectors 100% Over Copper Washers O-...

    View full details
    $5,977.00 - $5,977.00
    $5,977.00
    $5,977.00 - $5,977.00
    $5,977.00
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    DDP Duramax 01-04 LB7 Brand New Injector Set - 50 (25% Over)

    DDP
    $5,879.00
    $5,879.00 - $5,879.00
    $5,879.00
    $5,026.00
    $5,026.00 - $5,026.00
    $5,026.00

    DDP Model DDPNLB7-50Duramax 01-04 LB7 Injector Set: Brand New injector set at 25 percent over, approximately 50 RWHP over stock. Injector set is ca...

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    $5,879.00
    $5,879.00 - $5,879.00
    $5,879.00
    $5,026.00
    $5,026.00 - $5,026.00
    $5,026.00
    Save 15% Save %
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    DDP Duramax 01-04 LB7 Brand New Injector Set - SAC Nozzle 100% Over

    DDP
    $6,736.00
    $6,736.00 - $6,736.00
    $6,736.00
    $5,759.00
    $5,759.00 - $5,759.00
    $5,759.00

    DDP Model DDPNLB7-200Duramax 01-04 LB7 Injector Set: Brand New injector set. SAC Nozzles flowing at 100 percent over with injector body modificatio...

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    $6,736.00
    $6,736.00 - $6,736.00
    $6,736.00
    $5,759.00
    $5,759.00 - $5,759.00
    $5,759.00
    Save 15% Save %
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    DDP Duramax 01-04 LB7 Brand New Injector Set - SAC Nozzle 150% Over

    DDP
    $7,022.00
    $7,022.00 - $7,022.00
    $7,022.00
    $6,004.00
    $6,004.00 - $6,004.00
    $6,004.00

    DDP Model DDPNLB7-300Duramax 01-04 LB7 Injector Set: Brand New injector set. SAC Nozzles at 150 percent over with injector body modifications for a...

    View full details
    $7,022.00
    $7,022.00 - $7,022.00
    $7,022.00
    $6,004.00
    $6,004.00 - $6,004.00
    $6,004.00
    Save 14% Save %
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    DDP Duramax 01-04 LB7 Brand New Injector Set - 100 (60% Over)

    DDP
    $6,450.00
    $6,450.00 - $6,450.00
    $6,450.00
    $5,515.00
    $5,515.00 - $5,515.00
    $5,515.00

    DDP Model DDPNLB7-100Duramax 01-04 LB7 Injector Set: Brand New injector set flowing at 60 percent over, capable of 750-800 RWHP. Modified or Dual C...

    View full details
    $6,450.00
    $6,450.00 - $6,450.00
    $6,450.00
    $5,515.00
    $5,515.00 - $5,515.00
    $5,515.00
    Save 14% Save %
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    DDP Duramax 01-04 LB7 Brand New Stock CP3

    DDP
    $2,000.00
    $2,000.00 - $2,000.00
    $2,000.00
    $1,710.00
    $1,710.00 - $1,710.00
    $1,710.00

    DDP Model DDPNCP3-303Duramax 01-04 LB7: Brand New replacement stock CP3 injection pump. No core charge. Details: Liter: 6.6 Engine: LB7 Duramax Ye...

    View full details
    $2,000.00
    $2,000.00 - $2,000.00
    $2,000.00
    $1,710.00
    $1,710.00 - $1,710.00
    $1,710.00
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    BD Diesel 2001-2004 Chevy Duramax LB7 Premium Performance Plus Injector (0986435502)

    BD Diesel
    $496.00 - $496.00
    $496.00
    $523.00
    $523.00 - $523.00
    $523.00

    BD Diesel Performance is unique among its peers in that it designs, manufactures and distributes a wide range of products specifically engineered f...

    View full details
    $496.00 - $496.00
    $496.00
    $523.00
    $523.00 - $523.00
    $523.00
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    BD Diesel Reman Injector Set With Install Kit 2001-2004 LB7 Duramax 6.6L

    BD Diesel
    $3,710.00 - $3,710.00
    $3,710.00
    $3,903.00
    $3,903.00 - $3,903.00
    $3,903.00

    All-in-one kit for doing an injector install on an LB7 Duramax engine. Includes BD-Built stock replacement injectors (8) injector lines (8), valve ...

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    $3,710.00 - $3,710.00
    $3,710.00
    $3,903.00
    $3,903.00 - $3,903.00
    $3,903.00

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