Gates 51490 Radiator Coolant Hose - Upper

Gates 51490 Molded Coolant Hose

The Gates 51490 molded coolant hose is built for upper radiator cooling system service on select Mercedes-Benz applications. It follows OE-style routing and integrates molded branch and quick-connect features to match the original hose layout.

For drivers searching for a Mercedes-Benz C55 AMG upper coolant hose, CLK500 upper radiator hose, or CLK55 AMG molded coolant hose, this Gates molded coolant hose provides a direct-fit replacement path for the listed vehicles.

Key Features

• Brand: Gates Molded Coolant Hose line
• Part number: 51490
• Upper radiator coolant hose application
• Molded construction for application-specific routing
• Made from EPDM, plastic, and steel
• Includes one quick-connect fitting
• Modular hose design with branch and connector integration
• Centerline length: 22 in. (559 mm)
• End 1 inside diameter: 1.5 in. (38 mm)
• End 2 inside diameter: 1.5 in. (38 mm)

Product Details

Gates molded coolant hoses are engineered for vehicles that use integrated hose assemblies rather than simple straight hose sections. The 51490 follows the original-style layout with molded contours and modular components, including a branch and a male quick connector, to match the cooling system connection points used on the listed Mercedes-Benz models. This part number 51490 is a practical OE-style replacement for upper coolant hose service where the factory hose includes formed routing and integrated fittings.

Compatible With: 2005-2006 Mercedes-Benz C55 AMG, upper; 2003-2006 Mercedes-Benz CLK500, upper; 2003-2005 Mercedes-Benz CLK55 AMG, upper. This part cross-references Genuine 2095010682 for the same application.

Common Replacement Reasons

• Coolant seepage from a cracked or aged molded hose
• Loss of hose flexibility from heat cycling and age
• Damaged quick-connect or branch section at the upper hose assembly
• Cooling system service on a Mercedes-Benz C55 AMG, CLK500, or CLK55 AMG
• Restoring proper upper radiator hose routing after OE hose failure

Installation Notes

Verify the hose routing, connector style, and end diameters against the removed part before installation. Because this is a molded coolant hose with integrated components, correct alignment at the branch and quick-connect connection points is important for proper fitment. Inspect adjoining cooling system parts, clamps, and seals during service, and refill the cooling system according to the vehicle manufacturer procedure.

Quality Assurance

Gates is a recognized supplier in the automotive aftermarket coolant hose segment, and this molded hose is manufactured to application-specific specifications that mirror OE-style component placement and routing. Part number 51490 is built for the listed Mercedes-Benz fitments and uses materials selected for cooling system service.