Ram 3500 Hose - Fleece Performance - Heater Core Replacement - `03-`24 is a direct-fit heater core hose and fitting from Fleece Performance designed for 2003–2024 Ram 2500/3500 Cummins trucks. This kit replaces worn or leaking factory lines to restore proper coolant flow to the heater core.

Built to match the factory routing and connection points, the Fleece Performance replacement hose and fitting provide a reliable repair option for enthusiasts maintaining or upgrading their cooling system. The hose uses durable materials suited for coolant exposure and engine bay temperatures, while the included fitting helps ensure a positive connection at the heater core. Installation is straightforward for anyone familiar with basic cooling system service, and the direct-fit design keeps replacement time and frustration to a minimum.

Features

• Direct-fit for 2003–2024 Ram 2500/3500 Cummins models
• Includes replacement hose and matching fitting for the heater core
• OEM-style materials for coolant compatibility and heat resistance
• Designed to replace worn or leaking factory lines
• Simple installation for routine cooling system maintenance

If you have questions or want help confirming fitment, call us directly — we’re happy to assist. We have installation and customization services at two locations: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) to schedule service or get advice. If you are thinking about purchasing multiple items, you may want to contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov