Chevy Duramax 11-16 LML Brand New Stock CP4 Dynomite Diesel

Premium Stock Replacement CP4 Injection Pump for 2011-2016 GM 6.6L Duramax LML

When your CP4 injection pump fails on your GM Duramax 6.6L LML, 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 LML 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 2011-2016 GM 6.6L Duramax LML engines