CP3 Pump
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BD R900 12mm Stroker CP3 Injection Pump - 2001-2010 Chevy/GMC 6.6L Duramax 1050651
$2,547.95
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Bosch Reman CP3 Injection Pump - 2004.5-2005 GM 6.6L LLY Duramax - 0986437308
$720.42
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Duramax CP3K - 2001-2016 Duramax Diesel FPE-DMAX-CP3K
$1,349.00
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Duramax PowerFlo 750 CP3 - 2001-2010 Duramax Diesel FPE-DMAX-CP3-10MM
$2,049.00
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Dynomite Diesel - CP3 Fuel Injector Pump - 2004.5-2005 GM 6.6L LLY Duramax - DDPCP3-308
$869.25
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Industrial Injection - Bosch OEM Reman - Modified 42% CP3 Pump - 2004.5-2005 GM 6.6L LLY Duramax 0986437308SHO
$1,357.95
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Industrial Injection - Dragon Fire 85% CP3 Pump - 2004.5-2005 Duramax LLY 6.6L 0445020030DF
$2,207.67
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Industrial Injection - Dual CP3 Install Kit (Without Pump) - 2004.5-2005 GM 6.6L LLY Duramax 433402
$1,260.95
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Industrial Injection - Reman - 42% Modified CP3 Pump - 2004.5-2005 GM 6.6L LLY Duramax 0986437308SHOSE
$1,106.72
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LLY High Pressure Fuel Pump / EGR Valve Installation Kit - 2004.5-2005 GM 6.6L LLY Duramax AP0128
$51.29
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New Bosch CP3 Injection Pump - 2004.5-2005 GM 6.6L LLY Duramax - 0445020030
$900.53
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Reman CP3 Pump - 2004.5-2005 GM 6.6L LLY Duramax - AP55203
$760.49
The LLY CP3 pump category is about high-pressure fuel supply, not the entire LLY fuel system. A weak CP3 can cause low rail pressure, long cranking, and power loss, especially when injectors or regulators are already worn.
Stock replacement CP3 pumps, upgraded CP3 pumps, regulators, install parts, and related high-pressure fuel components support 2004-2005 6.6L GM Duramax LLY fuel repairs and upgrades. Check return rates and supply pressure before assuming the pump is the only problem.