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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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    DDP Duramax 01-04 LB7 Brand New Stock CP3

    DDP
    $0.00 - $0.00
    $0.00
    $1,330.00
    $1,330.00 - $1,330.00
    $1,330.00

    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...

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    $0.00 - $0.00
    $0.00
    $1,330.00
    $1,330.00 - $1,330.00
    $1,330.00
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    BD Diesel 2001-2004 Chevy Duramax LB7 Premium Performance Plus Injector (0986435502)

    BD Diesel
    $347.21 - $347.21
    $347.21
    $372.95
    $372.95 - $372.95
    $372.95

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

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    $347.21 - $347.21
    $347.21
    $372.95
    $372.95 - $372.95
    $372.95
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    BD Diesel Reman Injector Set With Install Kit 2001-2004 LB7 Duramax 6.6L

    BD Diesel
    $2,596.69 - $2,596.69
    $2,596.69
    $2,749.95
    $2,749.95 - $2,749.95
    $2,749.95

    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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    $2,596.69 - $2,596.69
    $2,596.69
    $2,749.95
    $2,749.95 - $2,749.95
    $2,749.95
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    BD Diesel Stock Replacement Injector 2001-2004 LB7 Duramax

    BD Diesel
    $316.17 - $316.17
    $316.17
    $332.95
    $332.95 - $332.95
    $332.95

    BD-Built Stock replacement injectors are OE quality, assembled using OE procedures, and fully calibrated and tested to ensure perfect operatio...

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    $316.17 - $316.17
    $316.17
    $332.95
    $332.95 - $332.95
    $332.95
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    BD Diesel TapShifter - Chevy 2001-2002 Duramax 6.6L Allison 100

    BD Diesel
    $483.98
    $483.98 - $483.98
    $483.98
    $482.95
    $482.95 - $482.95
    $482.95

    Add fingertip control to your 2001-2005 Duramax Allison 1000 transmission for easy Tap Shifting when passing, pulling, hill climbing or whenever yo...

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    $483.98
    $483.98 - $483.98
    $483.98
    $482.95
    $482.95 - $482.95
    $482.95
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    BD Diesel Valve Body - 2001-2004 Duramax LB7 Allison 1000

    BD Diesel
    $1,144.55 - $1,144.55
    $1,144.55
    $1,225.95
    $1,225.95 - $1,225.95
    $1,225.95

    BD Diesel Valve Body - 2001-2004 Duramax LB7 Allison 1000 BD's exchange valve bodies are modified, tuned and tested to provide optimum performance...

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    $1,144.55 - $1,144.55
    $1,144.55
    $1,225.95
    $1,225.95 - $1,225.95
    $1,225.95
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    ARP Duramax 6.6L Lb7 Hex Valve Cover Bolt Kit - Polished Stainless Steel

    ARP
    $137.83 - $137.83
    $137.83
    $137.83 - $137.83
    $137.83

    ARP Duramax 6.6L Lb7 Hex Valve Cover Bolt Kit, Polished Stainless Steel. Sold and shipped by Powerhouse Diesel, a diesel repair and performance sho...

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    $137.83 - $137.83
    $137.83
    $137.83 - $137.83
    $137.83
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    ARP Duramax 6.6L LB7 Hex Valve Cover Bolt Kit

    ARP
    $94.58 - $94.58
    $94.58
    $94.58 - $94.58
    $94.58

    ARP Duramax 6.6L LB7 Hex Valve Cover Bolt Kit. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. Part ...

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    $94.58 - $94.58
    $94.58
    $94.58 - $94.58
    $94.58
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    Exergy 10mm Stroker CP3 Pump | 2001 to 2004 LB7 Duramax

    Exergy
    $2,150.00 - $2,150.00
    $2,150.00
    $2,150.00 - $2,150.00
    $2,150.00

    The Exergy 10mm Stroker CP3 is a single pump for LB7 Duramax builds up to 800+ horsepower. One pump means no dual pump controller, no custom belt a...

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    $2,150.00 - $2,150.00
    $2,150.00
    $2,150.00 - $2,150.00
    $2,150.00
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    Mishimoto 01-03 Chevrolet / GMC 6.6L Duramax (LB7) Transmission Cooler

    Mishimoto
    $346.00
    $346.00 - $346.00
    $346.00
    $314.95
    $314.95 - $314.95
    $314.95

    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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    $346.00
    $346.00 - $346.00
    $346.00
    $314.95
    $314.95 - $314.95
    $314.95
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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
    $990.00
    $990.00 - $990.00
    $990.00
    $899.95
    $899.95 - $899.95
    $899.95

    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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    $990.00
    $990.00 - $990.00
    $990.00
    $899.95
    $899.95 - $899.95
    $899.95
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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...

    View full details
    $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 6.6L Inlet Metering Valve (FCA/MPROP) | 2001 to 2004 LB7 Duramax

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

    A new Exergy inlet metering valve (also called the FCA or MPROP) for the LB7 Duramax. The valve controls how much fuel the pump takes in. A worn on...

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    $187.00 - $187.00
    $187.00
    $187.00 - $187.00
    $187.00
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    Exergy Reman Sportsman Injectors, Set of 8 | 2001 to 2004 LB7 Duramax

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

    Exergy Sportsman injectors are flowed 10% over stock, the upgrade for a stock LB7 Duramax that wants a little more without smoke or heat problems. ...

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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 Sportsman CP3 Pump | 2001 to 2004 LB7 Duramax

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

    The Exergy Sportsman CP3 is an upgraded replacement pump for the LB7 Duramax that supports from stock up to 650+ horsepower. Exergy calls it the mo...

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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

    Fits: 2001 to 2004 Chevrolet Silverado 2500 HD; 2001 to 2004 Chevrolet Silverado 3500; 2001 to 2004 GMC Sierra 2500 HD; 2001 to 2004 GMC Sierra 350...

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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 to 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

The LB7 is the original 6.6L Duramax, built by GM and Isuzu for 2001 to 2004 Chevy Silverado HD and GMC Sierra HD trucks. It has a cast iron block, aluminum heads, a Bosch CP3 pump and no DPF or EGR, which makes it a favorite for high mileage reliability and tuning.

Shop LB7 Duramax Parts by Category

Not sure what fits? Send us your VIN or call 865.640.2097 and we will match the right part.

LB7 Duramax FAQ

What is the LB7 known for?

A strong bottom end and no emissions equipment, which makes it popular for tuning and long term reliability.

What are common LB7 problems?

Injector failure is the most common issue, often from fuel contamination. Keeping fuel filtration in good shape helps prevent it.