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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Mishimoto Chevrolet/GMC 6.6L Duramax Aluminum Radiator 2001-2005

Mishimoto has released a performance aluminum radiator for the 2001–2005 Chevrolet/GMC 6.6L Durama..

$850.00

Mishimoto Chevrolet/GMC 6.6L Duramax Aluminum Radiator 2006-2010

Mishimoto has released a direct-fit performance aluminum radiator for the 2006–2010 Chevrolet/GMC ..

$850.00

Mishimoto Chevrolet/GMC 6.6L Duramax Intercooler 2001-2005

Mishimoto has expanded their Duramax performance parts line to include a performance intercooler f..

$1,055.00

Mishimoto Chevrolet/GMC 6.6L Duramax Intercooler 2006-2010

Mishimoto is expanding thier line of Duramax performance parts to include a performance intercoole..

$1,085.00

Mishimoto Chevrolet/GMC 6.6L Duramax Intercooler Kit 2002-2004.5

Mishimoto is expanding their line of Duramax performance parts! Are you fed up with high EGTs and..

$1,415.00

Mishimoto Chevrolet/GMC 6.6L Duramax Intercooler Pipe and Boot Kit 2002-2004.5

The Mishimoto 6.6L Duramax intercooler pipe and boot kit is an ideal upgrade in reliability and pe..

$370.00

Mishimoto Chevrolet/GMC 6.6L Duramax Silicone Coolant Kit 2001-2005

Mishimoto's Duramax coolant hose kits are constructed from a combination of high-grade silicone an..

$300.00

PPE Dual Fueler for GM LB7 (01 Only)

By simply bolting this kit on, your engine computer will automatically recognize both pumps and con..

$2,350.00

PPE Dual Fueler for GM LB7 (01 Only)- NO CP3 PUMP

By simply bolting this kit on, your engine computer will automatically recognize both pumps and con..

$1,450.00

PPE Dual Fueler for GM LB7 (02-04)

By simply bolting this kit on, your engine computer will automatically recognize both pumps and con..

$2,350.00

PPE Dual Fueler for GM LB7 (02-04)- NO CP3 PUMP

By simply bolting this kit on, your engine computer will automatically recognize both pumps and con..

$1,450.00

PPE High Flow Exhaust Manifolds and Up-Pipes for GM LB7 (01-04)- D-PIPE

PPE’s High-Flow Exhaust Manifolds and Up-Pipes increase exhaust flow by 20 percent are 50 state emi..

$1,095.99

PPE High Flow Exhaust Manifolds and Up-Pipes for GM LB7 (02-05)

PPE’s High-Flow Exhaust Manifolds and Up-Pipes increase exhaust flow by 20 percent are 50 state emi..

$1,245.99

PPE High Flow Exhaust Manifolds and Up-Pipes for GM LB7/LLY (04-05)- Federal

PPE’s High-Flow Exhaust Manifolds and Up-Pipes increase exhaust flow by 20 percent are 50 state emi..

$1,245.99

PTP Turbo Blanket 2001-2004 Chevy/GMC 6.6L

Lava Turbo Blanket Materials: With an outer layer made from actual pulverized volcanic lava rock ..

$159.95

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