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SKU:FPE-DMAX-CP3K
Fleece Performance FPE-DMAX-CP3K Duramax CP3K
Fleece Performance FPE-DMAX-CP3K Duramax CP3K
Description
Fleece Performance FPE-DMAX-CP3K Duramax CP3K
Fleece Performance FPE-DMAX-CP3K
The Fleece Performance FPE-DMAX-CP3K is a modified LBZ CP3 pump designed to eliminate the fuel flow restrictions that typically start at 3,000 RPM in Duramax engines. This pump upgrade ensures consistent fuel rail pressure across the RPM range, preventing horsepower loss and enhancing performance when it’s needed most.
Product Highlights
- Brand New Bosch CP3: Built for reliability and long-lasting performance
- No Core Charge or Return Required: Simplifies the purchasing and installation process
- Improved Fuel Flow: Eliminates RPM-based fuel flow restrictions for optimal power
Detailed Product Description
The Fleece Performance FPE-DMAX-CP3K Duramax CP3K is an ideal upgrade for Duramax owners looking to maintain steady fuel rail pressure through the full RPM range. This modified CP3 pump provides a cost-effective solution to bypass the stock fuel flow restrictions that can limit performance. By ensuring consistent fuel delivery, the FPE-DMAX-CP3K helps maximize power output, especially in high-RPM applications.
Application Notes
- For 2001-2005 Models (LB7 or LLY): Fuel pressure regulator scaling is required. Fleece Performance provides the necessary values to simplify this adjustment.
Fitment
-
Compatible with:
- 2001-2004 GM Silverado/Sierra 2500/3500 6.6L Duramax LB7
- 2004.5-2005 LLY
- 2006-2007 LLY/LBZ (classic body style)
- 2007.5-2010 LMM (new body style)
- 2011-2016 LML
Warranty
This Fleece Performance FPE-DMAX-CP3K CP3K pump is backed by a 1-year limited parts warranty, ensuring quality and reliability.
The Fleece Performance FPE-DMAX-CP3K Duramax CP3K pump is a straightforward, effective upgrade for Duramax trucks needing enhanced fuel flow and consistency across RPMs, providing dependable support for high-performance applications.

Fitments
Instructions
Specifications
SKU: FPE-DMAX-CP3K
GTIN: 6.35909E+11
Manufacture Name: Fleece Performance
Shipping Weight:
Shipping Length:
Shipping Width:
Shipping Height:
EO Number:
Cross Reference #
California Proposition 65 Warning
California Proposition 65 Warning - P65warnings.ca.gov

Fleece Performance FPE-DMAX-CP3K Duramax CP3K
Fleece Performance FPE-DMAX-CP3K Duramax CP3K
Fleece Performance FPE-DMAX-CP3K
The Fleece Performance FPE-DMAX-CP3K is a modified LBZ CP3 pump designed to eliminate the fuel flow restrictions that typically start at 3,000 RPM in Duramax engines. This pump upgrade ensures consistent fuel rail pressure across the RPM range, preventing horsepower loss and enhancing performance when it’s needed most.
Product Highlights
- Brand New Bosch CP3: Built for reliability and long-lasting performance
- No Core Charge or Return Required: Simplifies the purchasing and installation process
- Improved Fuel Flow: Eliminates RPM-based fuel flow restrictions for optimal power
Detailed Product Description
The Fleece Performance FPE-DMAX-CP3K Duramax CP3K is an ideal upgrade for Duramax owners looking to maintain steady fuel rail pressure through the full RPM range. This modified CP3 pump provides a cost-effective solution to bypass the stock fuel flow restrictions that can limit performance. By ensuring consistent fuel delivery, the FPE-DMAX-CP3K helps maximize power output, especially in high-RPM applications.
Application Notes
- For 2001-2005 Models (LB7 or LLY): Fuel pressure regulator scaling is required. Fleece Performance provides the necessary values to simplify this adjustment.
Fitment
-
Compatible with:
- 2001-2004 GM Silverado/Sierra 2500/3500 6.6L Duramax LB7
- 2004.5-2005 LLY
- 2006-2007 LLY/LBZ (classic body style)
- 2007.5-2010 LMM (new body style)
- 2011-2016 LML
Warranty
This Fleece Performance FPE-DMAX-CP3K CP3K pump is backed by a 1-year limited parts warranty, ensuring quality and reliability.
The Fleece Performance FPE-DMAX-CP3K Duramax CP3K pump is a straightforward, effective upgrade for Duramax trucks needing enhanced fuel flow and consistency across RPMs, providing dependable support for high-performance applications.


Fleece Performance FPE-DMAX-CP3K Duramax CP3K