Gates 51803 Radiator Coolant Hose - Lower

Overview

The Gates 51803 molded coolant hose is built for specific cooling system applications that require an OE-style modular hose assembly. It uses EPDM and plastic construction and follows the application-specific layout needed for a direct radiator coolant hose replacement.

Compatible with Ford F-150 and Ford Lobo applications listed below, this molded hose is shaped to match the original routing and integrated connection points used in the cooling system. The Gates 51803 part number is also referenced by interchange numbers used for the same application.

Key Features

• EPDM and plastic construction for coolant system service.
• Molded modular design with integrated OE-style components.
• Application-specific hose routing for accurate replacement fitment.
• Three-branch configuration with quick-connector style integration.
• Gates Molded Coolant Hose product line for modular cooling assemblies.

Detailed Description

Gates 51803 is a radiator coolant hose designed as a molded modular assembly rather than a universal hose. The construction and layout reflect the original cooling system design, including integrated branches and connector features that help match the factory hose path and connection style. This makes it a practical replacement for vehicles that use a shaped coolant hose with built-in OE components.

Fits 2017-2018 Ford F-150, lower. Fits 2018 Ford Lobo, lower. This part cross-references F12067 and HL3Z 8286 A for the same application. The Gates 51803 part number is useful when matching the correct molded hose for these Ford cooling system applications.

What It Is Used For

• Replacing a cracked or leaking radiator coolant hose.
• Restoring proper coolant routing in a molded hose assembly.
• Addressing damaged quick-connect or branch sections in the hose.
• Correcting fitment issues caused by an incorrect universal hose.

Installation Notes and Tips

Verify the vehicle application, position, and cooling system layout before installation. This hose is listed for lower-position fitment on the specified Ford applications and is not a universal cut-to-fit hose. Confirm connector style and branch routing against the original part before removal.

Quality Assurance

Gates is recognized in the automotive aftermarket for modular coolant hose assemblies that follow OE-style specifications and integrated component layouts. The Gates 51803 is built for application-specific replacement where factory-style hose routing and connector integration are required.