Gates 51484 Radiator Coolant Hose - Upper

Mercedes-Benz Sprinter Upper Coolant Hose

Gates 51484 is a molded radiator coolant hose built for specific Mercedes-Benz Sprinter applications. It follows OEM-style routing and integrates the quick-connect hardware needed for a direct-fit upper coolant hose replacement on Sprinter 2500, Sprinter 3500, and Sprinter 3500XD models.

Key Features

• Molded coolant hose for upper radiator circuit routing
• Constructed from EPDM, plastic, and steel for cooling-system service
• 1.3 in. (33 mm) inside diameter at both ends
• 30.5 in. (775 mm) centerline length
• Includes one quick-connect fitting with Henn quick connector and male quick connector components
• Modular hose design with OE-style integrated components
• Gates 51484 / part number 51484

Product Details

This Gates Molded Coolant Hose line is engineered around application-specific modular assemblies, with integrated OE-style features such as quick-connectors and other built-in components where required. For Mercedes-Benz Sprinter cooling system service, Gates 51484 provides the molded upper hose shape and connector layout needed to match the original routing on 2010-2022 Sprinter 2500, 2010-2022 Sprinter 3500, and 2018-2022 Sprinter 3500XD models. This part cross-references Dayco 72814 for the same application.

Common Uses

• Replacing a cracked or leaking upper radiator hose
• Restoring coolant flow after hose hardening or swelling
• Correcting fitment issues caused by damaged quick-connect fittings
• Addressing coolant loss from aged molded hose assemblies
• Servicing Mercedes-Benz Sprinter 2500, Sprinter 3500, or Sprinter 3500XD upper cooling lines

Installation Notes

Verify the hose routing, connector style, and end diameters before installation. Inspect mating coolant fittings, seals, and nearby plastic cooling components for wear or damage, and confirm the hose is seated fully at the quick-connect connection. Proper coolant refill and system bleeding are important after replacement.

Quality Assurance

Gates is a recognized aftermarket supplier of modular coolant hose assemblies, and this hose is manufactured to application-specific OE-style requirements for the listed Mercedes-Benz Sprinter fitments.