Gates 51563 Radiator Coolant Hose - Upper

Upper Radiator Coolant Hose for Toyota and Scion

Gates 51563 is a molded upper radiator coolant hose built to OE-quality specifications for select Toyota and Scion applications. It is formed from EPDM and shaped for the correct routing and fit needed in the cooling system.

Compatible with 2017-2020 Toyota Yaris, upper; 2017-2020 Toyota Yaris R, upper; 2017-2018 Toyota Yaris iA, upper; and 2016 Scion iA, upper.

Key Features

• Brand: Gates Molded Coolant Hose
• Part number: 51563
• Material: EPDM for coolant-system use
• Molded hose construction for proper routing
• End 1 inside diameter: 1.25 in. (32 mm)
• End 2 inside diameter: 1.25 in. (32 mm)
• Centerline length: 18.36 in. (466 mm)
• No spring and no quick-connect fittings

Product Details

Gates molded coolant hoses are made for upper, lower, bypass, heater, and other coolant applications, with dimensions and shape matched to OEM-style replacement needs. The Gates 51563 upper radiator coolant hose is part of the Molded Coolant Hose line, which covers a wide range of replacement cooling-system applications for Toyota Yaris, Toyota Yaris R, Toyota Yaris iA, and Scion iA models.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Cooling Issues It May Address

• Cracked or split upper radiator hose
• Coolant leaks at the hose body or ends
• Softening, swelling, or heat-related hose deterioration
• Incorrect hose routing after a previous replacement
• Restricted coolant flow caused by a damaged hose

Installation Notes and Tips

Verify the hose routing, end diameters, and centerline length before installation. Drain coolant as needed, inspect the mating necks and clamps, and replace any worn clamps or damaged sealing surfaces during service. Confirm upper-hose placement against the vehicle’s cooling layout before final assembly.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for direct replacement use in the listed applications. The molded design and EPDM construction support consistent fitment for the specified Toyota and Scion models.