Gates 21856 Radiator Coolant Hose - Lower

Gates 21856 Molded Lower Coolant Hose

The Gates 21856 molded coolant hose is an OE-quality radiator hose replacement for lower cooling system routing on select Dodge trucks and SUVs. Built from EPDM and formed to the correct shape, it supports a direct-fit repair for common lower hose service on 1988-1993 Dodge D100, D150, D250, D350, Ramcharger, W100, W150, W250, and W350 applications.

Key Features

• EPDM construction for coolant-system durability
• Molded shape for proper routing and fit
• 1.75 in. inside diameter at both ends
• 19.6 in. centerline length
• Lower radiator coolant hose application
• No spring and no quick-connect fittings

Product Details

Gates Molded Coolant Hose line is built for upper, lower, bypass, heater, and other coolant applications using OEM-quality specifications. The Gates 21856 is a molded lower radiator coolant hose that matches the original routing needed for service on Dodge D150, D250, D350, Ramcharger, W150, W250, and W350 models, along with D100 and W100 coverage in the listed years. This part cross-references Dayco 71387 and FEL-PRO 61438 for the same application.

Compatible With 1988-1993 Dodge D250, lower; 1988-1993 Dodge D350, lower; 1988-1993 Dodge Ramcharger, lower; 1988-1993 Dodge W250, lower; and 1988-1993 Dodge W350, lower. Additional vehicle coverage includes 1988-1989 Dodge D100 and W100, plus 1988-1991 Dodge D150 and W150, and 1993 Dodge D150 and W150, all in the lower position.

Common Repair Uses

• Cracked or hardened lower radiator hose replacement
• Coolant leaks at the hose body or bends
• Collapsed hose sections from age or heat cycling
• Poor hose routing after previous repair work
• Cooling system service on older Dodge trucks and Ramcharger models

Installation Notes and Tips

Inspect the hose necks, clamps, and nearby cooling system components before installation. Drain coolant to a safe level, verify the molded shape matches the original routing, and confirm the 1.75 in. end diameters before securing the hose. After installation, refill the system with the correct coolant and check for leaks at operating temperature.

Quality Assurance

Gates molded coolant hoses are manufactured to OEM-quality specifications for direct replacement use. The 21856 part number is part of Gates’ broad molded hose line for radiator and heater circuit service.