2011-2016 Duramax CP4 to CP3 Conversion Kit 9th Injector Feed Line (4D6306)

Description

Fits

Year	Make	Model	Engine
2011-2016	Chevrolet/GMC	Silverado/Sierra 2500HD/ 3500HD	LML 6.6L Duamax

Seamlessly convert your GM LML Duramax fuel system from CP4 to CP3 with this precision-engineered feed line adapter. Designed for reliability and compatibility, the 4D6306 eliminates CP4-related issues and helps future-proof your setup.

Part Number: 4D6306

Features

• Converts CP4 to CP3 injector feed line on LML Duramax engines
• OEM-quality adapter for precise fuel rail connection
• Helps avoid CP4 high-pressure fuel pump failures