01-04.5 Duramax LB7

The LB7 Duramax was first introduced in 2001 and produced until 2004. The 32 valve, V8 design utilizes a high pressure common rail direct injection system. Due to the lack of emission equipment, the LB7 is considered one of the most sought after Duramax's built, obtaining the best fuel mileage and having the simplest design.

Years Produced 2001 - 2004.5
Displacement 402 cubic inches, 6.6 liters
Configuration 90 degree V8
Compression Ratio 17.5:1
Bore 4.06 inches
Stroke 3.90 inches
Aspiration • Turbocharger
• air to air intercooler
• Maximum boost: 20 psi
Valvetrain OHV, 4 valves per cylinder
Injection • Direct injection
• Bosch high pressure common rail, CP3 injection pump
• 23,000 psi max injection pressure
Horsepower • 235 hp @ 2,700 RPM (2001)
• 300 hp @ 3,100 RPM (2004)
Torque • 500 lb-ft @ 1,600 RPM (2001)
• 520 lb-ft @ 1,800 RPM(2004)
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GM 97729095 LB7 Duramax Diesel 6.6L Fuel Injector

These are genuine GM fuel injectors and are the latest version direct from Bosch to replace troubl..

$225.00

GM Allison 1056 Torque Converter - Billet Cover - Triple Disk 2001-2010

This is our journeyman converter that incorporates an OEM style stator and custom modified impelle..

$1,570.00

GM Allison 1057 Torque Converter - Triple Disk 2001-2010

Our 1057-3D converter established a benchmark for performance torque converters. Often referred to..

$1,570.00

GM Allison LB7 and LLY Billet Flex Plate 2001-2005

This replaces the factory flywheel/flex plate with a improved billet one piece design, e..

$709.00

GM Allison LB7 Gmax-5R-3 Kit 2001-2004 Raybestos Manufactured SunCoast Designed

Parts included are: C-1- Custom stepped apply plate, (8) GPZ C1 external clutches, (8) GPZ internal..

$1,780.00

GM Allison LB7/LLY Gmax-5R-1 Kit 2001-2005 Raybestos Manufactured SunCoast Designed

Parts included are: C-1- Custom stepped apply plate, (8) GPZ C1 external clutches, (8) GPZ internal..

$1,089.00

GM Allison Transfer Case Brace 2001-2007.5

Due to the cantilever effect of the rear trans mount, the transmission rear adapter housing is pro..

$223.00

GM Allison TransGo® Shift Kit® 2001-2005

You’re looking at a NEW Transgo® Allison Shift Kit® for the 2001-2005 Chevrolet & GM..

$218.00

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