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Reliable Fuel Delivery with the Exergy Improved Stock CP4.2 Pump

The CP4.2 injection pump is a known weak point in the 2011-2016 Chevrolet Duramax 6.6L LML platform. The Exergy Improved Stock CP4.2 Pump is designed to address these reliability concerns, offering a robust alternative to the factory unit. This pump features internal enhancements that improve durability and fuel delivery consistency, making it the perfect choice for owners who want to maintain stock-like performance with increased peace of mind.

Why Choose the Exergy Improved Stock Pump?

• Enhanced Reliability: Internal improvements designed to mitigate common CP4.2 failure points.
• Direct Replacement: Designed to fit 2011-2016 Duramax LML engines without modifications.
• Stock Performance: Delivers factory-spec fuel flow for reliable daily driving.
• Quality Assurance: Built by Exergy, a leader in diesel fuel system technology.
• Cost-Effective Solution: A smart preventative maintenance upgrade for your LML Duramax.

Don't wait for a fuel system failure to leave you stranded. The Exergy Improved Stock CP4.2 pump provides the reliability your LML Duramax deserves. Whether you are performing routine maintenance or replacing a malfunctioning unit, this pump offers the perfect balance of performance and long-term durability. Trust your fuel system integrity to the high-quality components available at GGCRACING.