Gates 51476 Radiator Coolant Hose - Upper

Gates 51476 Molded Coolant Hose

The Gates 51476 molded coolant hose is a direct-fit radiator coolant hose for select BMW applications. Built with EPDM, plastic, and steel, it follows OEM-style routing and integrates the connection points needed for a precise upper hose replacement.

Key Features

• Molded coolant hose for the upper radiator circuit
• EPDM, plastic, and steel construction
• 1.75 in. inside diameter at both ends
• 12.5 in. centerline length
• Modular hose design with outlet, female quick connector, and male quick connector
• Two quick-connect fittings for OE-style attachment
• Molded profile for application-specific routing

Product Details

Gates Molded Coolant Hose part number 51476 is engineered for specific vehicle applications and reflects the modular coolant hose approach used in modern cooling systems. The hose is shaped to match the original routing and includes integrated modular components rather than a universal straight-hose layout. For BMW Z4 and BMW X1 upper hose service, this design supports a clean replacement that aligns with the factory-style connection points.

This part cross-references Dayco 73123 for the same application. It is also listed among interchange references including Rein CHR0610.

Vehicle Fitment

• Fits 2015-2016 BMW Z4, Upper
• Fits 2012-2013 BMW Z4, Upper
• Fits 2012-2015 BMW X1, Upper

Common Replacement Uses

• Upper radiator hose cracking or seepage
• Coolant leaks at quick-connect interfaces
• Heat-related hose hardening or swelling
• Loss of proper coolant flow through the upper hose circuit
• Replacement of a damaged molded hose assembly on BMW cooling systems

Installation Notes

Verify the hose routing, connector style, and end diameters before installation. This molded hose is application-specific, so matching the BMW Z4 or BMW X1 model year and upper position is important for correct fitment. Inspect mating connectors and sealing surfaces during service to help ensure a secure connection.

Quality Assurance

Gates is a recognized aftermarket supplier in modular coolant hose assemblies, and this hose is built to OE-style specifications for the listed applications. Gates 51476 is manufactured for direct replacement use in the specified BMW cooling system fitments.