Dodge 3500 Lower Heater Return Hose - Fleece Performance - `03-`12. This direct-fit lower heater return hose is designed for Dodge 2500/3500 trucks with Cummins 5.9L and 6.7L engines from 2003–2012, offering a reliable replacement for worn factory lines.

Made by Fleece Performance as a purpose-built service part, this lower heater return hose restores proper coolant routing to the heater core and engine. It’s engineered to match OEM routing and connection points for a straightforward swap with minimal modification. The hose is suitable for owners restoring functionality or updating service components during other repairs, providing consistent flow and resistance to heat and coolant exposure.

Features

• Direct-fit for 2003–2012 Dodge 2500/3500 Cummins 5.9L and 6.7L applications
• Manufactured by Fleece Performance to match OEM dimensions
• Durable construction designed for heat and coolant resistance
• Easy bolt-on replacement—uses factory connection points
• Ideal for service replacement or during heater/cooling system work

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

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