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LLY Duramax CP3 Pumps
Keep your 2004.5–2005 LLY Duramax running strong with a premium CP3 injection pump. Designed to deliver consistent high-pressure fuel flow, these CP3 pumps support stock to high-performance builds with improved efficiency, power, and reliability. Built to OEM or better standards, our LLY Duramax CP3 pumps ensure clean combustion and long-term durability—essential for towing, tuning, and daily driving.

California Restricted
Fits: Duramax 2001-2010

California Restricted
Fits: Duramax 2001-2010

California Restricted
Fits: Duramax 2001-2010

Fits: Duramax 2001-2010

Fits: LLY|LBZ|LMM Duramax 2004.5-2010

Fits: Universal - 1/2 Inch Feed

Fits: LLY Duramax 2004.5-2005

California Restricted
Fits: LLY Duramax 2004.5-2005

California Restricted
Fits: LLY Duramax 2004.5-2005

California Restricted
Fits: LLY Duramax 2004.5-2006

Fits: LLY Duramax 2004.5-2005

California Restricted
Fits: Duramax 2001-2010

California Restricted
Fits: Duramax 2001-2010

Fits: LLY Duramax 2004.5-2005

California Restricted
Fits: LLY Duramax 2004.5-2005

California Restricted
Fits: Duramax 2001-2010