Gates 21056 Radiator Coolant Hose - Lower, Upper or Upper - Passenger Side

Gates 21056 Molded Coolant Hose Overview

The Gates 21056 molded coolant hose is an EPDM radiator coolant hose built to OEM-quality specifications for upper cooling-system service. It is shaped for direct replacement use on select Chevrolet Metro, Pontiac Firefly, Suzuki Swift, Geo Metro, Dodge Colt, Mitsubishi Mirage, and Honda Accord applications.

Gates Molded Coolant Hose line covers upper, lower, bypass, heater, and other coolant routing needs, giving technicians a formed hose option for radiator hose replacement work. The molded profile helps match the original routing on vehicles that require a specific bend and centerline length.

Key Features

• Part number: 21056
• Brand line: Gates Molded Coolant Hose
• EPDM construction for coolant-system service
• Molded design for formed upper hose routing
• Centerline length: 19.7 in. (500 mm)
• End inside diameter: 1 in. (25 mm) at both ends
• No spring and no quick-connect fittings
• Direct replacement style for select OE applications

Detailed Description

Gates 21056 is a molded radiator coolant hose made for upper hose applications where the original hose follows a specific formed path. The EPDM material is suited for coolant exposure, while the molded shape supports accurate routing in tight engine compartments. This part number is used across multiple import and compact-car applications, including 1998-2000 Chevrolet Metro, 1994-2000 Pontiac Firefly, 1995-1998 Suzuki Swift, 1993-1997 Geo Metro, 1979-1986 Dodge Colt, 1985-1986 Mitsubishi Mirage, and 1976-1983 Honda Accord upper hose positions.

This part cross-references Continental 61318 and BBB Industries 7768 for the same application.

What It Helps Address

• Cracked or split upper radiator hose
• Coolant leaks at a worn hose body
• Collapsed hose sections from age and heat cycling
• Incorrect hose routing after prior replacement work
• Loss of cooling-system integrity from deteriorated rubber

Installation Notes and Tips

• Verify the vehicle year, make, model, and upper hose position before ordering.
• Confirm both hose ends match the 1 in. inside diameter specification.
• Inspect hose clamps, necks, and adjoining coolant pipes before installation.
• Drain coolant as needed and route the hose to match the original formed path.
• Check for clearance around belts, pulleys, and hot engine components after installation.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for radiator hose replacement service. The Gates molded coolant hose line is built to cover a broad range of replacement applications while maintaining formed-fit accuracy for the listed vehicles.