Gates 21912 Radiator Coolant Hose - Upper

Gates 21912 Molded Coolant Hose Overview

The Gates 21912 molded coolant hose is an OE-style radiator coolant hose built for upper cooling-system routing on select Dodge vans and trucks. Made from EPDM and formed to the correct molded shape, it supports a direct replacement for aging coolant and heater hose assemblies on applications such as Dodge B1500, B2500, B3500, and Ram van models.

Gates Molded Coolant Hose products are built around OEM-quality specifications and cover upper, lower, bypass, heater, and other coolant routing needs. This line is engineered to simplify radiator hose replacement when you need a formed hose that matches the original path and connection size.

Key Features

• Brand: Gates Molded Coolant Hose
• Part number: 21912
• EPDM construction for coolant-system service
• Molded hose design for proper routing and fit
• 1.5 in. inside diameter at both ends
• 25.5 in. centerline length
• No spring and no quick-connect fittings
• Direct replacement style for upper radiator and HVAC coolant/heater hose applications

Detailed Description

Gates 21912 is a molded radiator coolant hose with a 1.5-inch inside diameter at each end and a 25.5-inch centerline length. Its EPDM material is selected for coolant-system use, and the molded shape helps match the factory hose path on vehicles that require an upper hose configuration. For buyers searching for a Dodge B1500 upper radiator hose, Dodge Ram 1500 Van coolant hose, or a molded heater hose replacement, this part number provides a focused OE-style solution.

This part cross-references Continental 61594 and FEL-PRO 61595 for the same application. The Gates 21912 part number is also used across multiple interchange listings for related cooling-system replacements.

Vehicle Fitment

• Fits 1995-1997 Dodge B1500, Upper; radiator and HVAC compatible coolant and heater hose.
• Fits 1995-1997 Dodge B2500, Upper; radiator and HVAC compatible coolant and heater hose.
• Fits 1995-1997 Dodge B3500, Upper; radiator and HVAC compatible coolant and heater hose.
• Fits 1995-1997 Dodge Ram 1500 Van, Upper; radiator and HVAC compatible coolant and heater hose.
• Fits 1996-1997 Dodge Ram 2500 Van, Upper; radiator and HVAC compatible coolant and heater hose.
• Fits 1996-1997 Dodge Ram 3500 Van, Upper; radiator and HVAC compatible coolant and heater hose.
• Fits 1992-1994 Dodge B150, Upper.
• Fits 1992-1994 Dodge B250, Upper.
• Fits 1992-1994 Dodge B350, Upper.
• Fits 1988-1991 Dodge D150, Upper.
• Fits 1988-1991 Dodge D250, Upper.
• Fits 1989-1991 Dodge W150, Upper.
• Fits 1988-1989 Dodge D100, Upper.
• Fits 1989 Dodge W100, Upper.

Common Problems This Hose Can Address

• Cracked or hardened upper radiator hose material
• Coolant leaks from a worn molded hose
• Incorrect hose routing after a previous replacement
• Heat-related swelling or soft spots in the cooling hose
• Fitment issues when a straight hose does not match the factory path

Installation Notes and Tips

Confirm the hose routing, end diameters, and centerline length before installation. Inspect the mating necks, clamps, and nearby cooling-system components for wear or corrosion, and replace any damaged hardware as needed during service. Verify that the hose follows the original molded path without twisting or kinking.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for radiator and heater hose replacement applications. The molded EPDM construction and application-specific shape are intended to support proper cooling-system service on the listed Dodge vehicles.