Replacement CP3 Return Hose for LML CP3 Conversion Kit

Features:

• Designed for 6.6L Duramax LML engines
• Replacement hose for Fleece CP3 conversion kits
• Compatible with all prior and current kits
• Direct replacement for easy installation
• Maintains proper fuel return flow
• Durable construction for long-lasting reliability
• Built to handle high-pressure fuel systems
• Perfect for maintenance or repair needs

Replacement CP3 Return Hose for GM Duramax

When you're running a Fleece CP3 conversion kit on your 6.6L Duramax LML, keeping everything flowing smoothly is key to keeping your truck performing at its best. That’s where the Fleece FPE-LML-HS-RTRN Replacement CP3 Return Hose comes in. Designed specifically for the 2011–2016 GM 2500HD and 3500HD trucks, this return hose is a direct-fit replacement for any prior or current Fleece CP3 conversion kits, making it a quick and easy fix when you need it most. Whether you’re doing routine maintenance, replacing a worn hose, or freshening up an older setup, this hose is built to meet the demands of high-pressure diesel fuel systems. It’s engineered to handle the rigors of daily driving, heavy towing, or spirited performance use without worrying about leaks, cracking, or fuel delivery issues down the road.

Simple Install

Installation is simple—no custom fabrication or hunting for oddball fittings. It’s designed to fit right back into place, restoring proper fuel return flow and ensuring your CP3 system operates exactly how it was intended. That means better reliability, consistent fuel pressure, and peace of mind whether you’re heading to the jobsite or hitting the backroads.

Fits: 2011, 2012, 2013, 2014, 2015, 2016