Gates 21950 Radiator Coolant Hose - Heater To Pipe-1

Gates 21950 Molded Coolant Hose

The Gates 21950 molded coolant hose is built for radiator and heater circuit service on select Toyota, Ford, and Mercury applications. It uses EPDM construction and OEM-quality dimensions to support a precise replacement for upper, lower, bypass, heater, and other coolant routing needs.

Gates Molded Coolant Hose line is engineered as a broad replacement range for common cooling-system service, helping reduce the time spent sourcing dealer-only radiator hose replacements. This part number, 21950, is a direct-fit style molded hose for vehicles that require the specified shape and end dimensions.

Key Features

• EPDM rubber construction for coolant-system use
• Molded hose design for formed routing and fit
• End 1 inside diameter: 18 mm (.72 in.)
• End 2 inside diameter: 18 mm (.72 in.)
• Centerline length: 193 mm (7.6 in.)
• No spring, no modular sections, and no quick-connect fittings
• Fits radiator coolant hose and heater hose applications where the OE shape matches

Application Details

Fits 1988-1995 Toyota 4Runner, N/A. Fits 1988-1995 Toyota Pickup, N/A. Fits 1993-1994 Toyota T100, N/A. Fits 1991-1993 Ford Cougar, Heater To Pipe-1. Fits 1991-1993 Ford Thunderbird, Heater To Pipe-1. Fits 1991-1993 Mercury Cougar, Heater To Pipe-1. Gates 21950 is also referenced for additional cross-application listings under Anchor 8640 and Continental 63170.

What It Helps Address

• Coolant leaks from a cracked or aged molded hose
• Softening, swelling, or collapse in an EPDM hose
• Incorrect hose routing after cooling-system repair
• Heater circuit flow issues caused by a deteriorated hose section
• Replacement needs for OE-shaped radiator coolant hose service

Installation Notes

Verify hose routing, end diameters, and centerline length against the removed part before installation. Confirm the vehicle position and connection points, especially on heater-to-pipe applications for 1991-1993 Ford Cougar, 1991-1993 Ford Thunderbird, and 1991-1993 Mercury Cougar. Inspect adjoining clamps, pipes, and coolant fittings for wear or corrosion before refilling the system.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for fit and cooling-system service. The 21950 part number is part of Gates' molded coolant hose line, which covers a wide range of replacement applications for radiator and heater hose service.