Gates 21430 Radiator Coolant Hose - Upper

Gates 21430 Molded Coolant Hose

Gates 21430 is a molded radiator coolant hose built for upper hose applications that require OEM-style routing and fit. Made from EPDM, it follows the factory shape needed for clean installation on select Ford Ranger, Buick Century, and Oldsmobile Cutlass Ciera/Cutlass Cruiser applications.

The Gates Molded Coolant Hose line covers upper, lower, bypass, heater, and other coolant routing needs with OE-level specifications. For buyers searching for a molded upper radiator hose for a 1983-1993 Ford Ranger or a replacement coolant hose for 1992-1993 Buick Century, this part number provides a direct-fit option for the listed applications.

Key Features

• EPDM construction for coolant-system service
• Molded hose shape for factory-style routing
• Upper hose application coverage
• End inside diameters: 1.19 in. (30 mm) and 1.25 in. (32 mm)
• Centerline length: 20.2 in. (513 mm)
• No spring, no modular sections, and no quick-connect fittings
• Gates part number 21430

Fitment Details

• Fits 1992-1993 Buick Century, Upper; Preferred Hose; Molded Coolant Hose
• Fits 1993 Ford Ranger, Upper; Optional Hose; Molded Coolant Hose
• Fits 1992-1993 Oldsmobile Cutlass Ciera, Upper; Preferred Hose; Molded Coolant Hose
• Fits 1992-1993 Oldsmobile Cutlass Cruiser, Upper; Preferred Hose; Molded Coolant Hose
• Fits 1990-1992 Ford Ranger, Upper; Optional Hose; Cut to fit; Molded Coolant Hose
• Fits 1989 Ford Ranger, Upper; Radiator and HVAC compatible coolant and heater hose; Molded Coolant Hose
• Fits 1983-1988 Ford Ranger, Upper; Molded Coolant Hose

What It Helps Fix

• Cracked or split upper radiator hose
• Coolant leaks at the hose body or ends
• Improper hose routing from a previous replacement
• Softening, swelling, or heat damage in the cooling hose
• Fitment issues on select Ford Ranger and GM upper hose applications

Installation Notes

Verify the hose shape, end diameters, and centerline length against the original part before installation. This molded hose is listed for upper-position applications only, and some Ford Ranger listings note optional or cut-to-fit usage, so confirm the exact routing on the vehicle before service. Gates 21430 is also referenced under cross-number applications such as Dayco 71239 and Continental 61257 for the same use case.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for the listed applications. The Molded Coolant Hose product line is built to cover a wide range of radiator, heater, bypass, and other coolant routing needs with application-specific fitment.