Chevy Duramax 04.5-05 LLY Brand New Stock CP3 Dynomite Diesel

Premium Stock Replacement CP4 Injection Pump for 2004.5-2005 Chevy Duramax 6.6L LLY

When your CP4 injection pump fails on your Chevy Duramax 6.6L LMM, you need a reliable replacement that restores performance without compromise. At Auto Diesel Systems, we trust Dynomite Diesel's brand-new CP4 injection pump to deliver the factory performance and long-term durability your truck demands.

Direct Replacement for Critical Fuel System Component

The CP4 injection pump is the heart of your Duramax's high-pressure fuel system, and when it fails, the consequences can be catastrophic—metal contamination throughout the fuel system, injector damage, and complete engine shutdown. This brand-new replacement pump eliminates those concerns with factory-fresh components engineered to OEM specifications.

Stock Power Level for Reliable Daily Performance

This is a stock horsepower replacement designed to maintain your truck's original performance characteristics. Whether you're towing heavy loads, running a work truck, or daily driving, this CP4 delivers the precise fuel pressure your 6.6L Duramax LLY was designed for—no tuning required, just dependable operation.

Key Features:

• Brand New Construction – Factory-fresh components, not remanufactured
• Stock HP Replacement – Maintains original factory performance specifications
• No Core Charge – Keep your old pump or dispose of it—no return hassle
• Direct Fit – Designed specifically for 2004.5-2005 Chevy Duramax 6.6L LLY engines