Gates 21927 Radiator Coolant Hose - Lower

Gates 21927 Molded Coolant Hose Overview

The Gates 21927 molded coolant hose is a radiator coolant hose built for specific vehicle applications with OE-style routing and integrated branch construction. It is made from EPDM and plastic for use in the cooling system on select Ford, Mercury, and Lincoln models, including Crown Victoria, Grand Marquis, and Town Car applications.

Gates Molded Coolant Hose products are part of the brand’s modular coolant hose line, which is engineered around application-specific fitment and OE-style integrated components such as branches and molded sections. This helps match the original hose layout used on the vehicle.

Key Features

• Part number: 21927
• Radiator coolant hose for lower cooling system routing
• EPDM and plastic construction
• Molded hose design for application-specific routing
• Modular hose with one branch configuration
• End 1 inside diameter: 1.47 in. (37 mm)
• End 2 inside diameter: 1.47 in. (37 mm)
• End 3 inside diameter: 0.96 in.
• Centerline length: 46.96 in. (1193 mm)

Detailed Description

Gates 21927 is a molded radiator coolant hose designed for lower hose routing on select 1992-1997 Ford Crown Victoria, 1992-1994 Ford Grand Marquis, 1995-1997 Ford Grand Marquis, 1992-1993 Ford Crown Victoria, 1995-1997 Mercury Grand Marquis, 1992-1994 Mercury Grand Marquis, 1995-1996 Lincoln Town Car, and 1997 Lincoln Town Car applications. It is listed for vehicles with and without oil cooler configurations depending on the exact fitment row, so matching the vehicle notes is important before installation.

This Gates 21927 hose uses a molded shape with a branch section to follow the original cooling system path. The EPDM and plastic material combination is selected for coolant-system service, and the hose dimensions are provided to support accurate replacement selection for the correct Ford Crown Victoria, Grand Marquis, or Town Car application.

This part cross-references Dayco 71515 and Continental 61688 for the same application.

What It Helps Address

• Coolant leaks from a cracked or aged lower radiator hose
• Softening, swelling, or collapse of the original hose
• Improper hose routing after a cooling system repair
• Fitment issues on vehicles with molded branch hose layouts
• Cooling system service on Ford, Mercury, and Lincoln full-size sedans

Installation Notes and Tips

• Verify the exact year, make, model, and oil cooler note before ordering.
• Compare the molded shape and branch layout to the original hose before removal.
• Inspect adjoining clamps, fittings, and coolant passages for wear or corrosion during service.
• Confirm the hose end diameters and centerline length match the vehicle application.
• Follow the vehicle service procedure for coolant refill and air bleeding after installation.

Quality Assurance

Gates is a recognized supplier in the automotive aftermarket and its modular coolant hose line is built around application-specific fitment with OE-style integrated features. Part number 21927 is manufactured to align with the original hose design used on the listed vehicles.