Gates 51811 Radiator Coolant Hose - Lower

Reliable Radiator Coolant Hose for Ford Super Duty Trucks

The Gates Molded Coolant Hose 51811 is designed specifically for Ford F-250 Super Duty and F-350 Super Duty models. Engineered with durable EPDM and plastic materials, this radiator coolant hose ensures consistent performance and long-lasting service in demanding cooling system applications.

• Constructed from high-quality EPDM and plastic for heat and chemical resistance
• End 1 inside diameter: 1.95 inches (50 mm)
• End 2 inside diameter: 2.1 inches (53 mm)
• Centerline length of 46.88 inches (1190 mm) for precise fitment
• Includes 2 female quick connectors at the outlet for secure connections
• Does not contain a spring, ensuring a molded, stable hose shape

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering pre-formed hoses that match exact OEM specifications. This product line is designed to provide a precise fit and reliable sealing for cooling systems, reducing the risk of leaks and improving vehicle cooling efficiency. The 51811 hose is part of this line, offering a molded design that fits Ford Super Duty trucks without the need for additional modifications.

Detailed Product Description

The Gates 51811 radiator coolant hose is molded to fit the cooling system requirements of Ford F-250 and F-350 Super Duty trucks. Made from EPDM rubber and plastic, it resists heat, ozone, and coolant chemicals, maintaining flexibility and durability under harsh engine conditions. The hose features two different inside diameters on each end—1.95 inches (50 mm) and 2.1 inches (53 mm)—to accommodate specific radiator and engine connections. With a centerline length of 46.88 inches (1190 mm), it ensures proper routing and fitment. The inclusion of two female quick connectors at the outlet simplifies installation and connection to the cooling system.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Ford F-250 Super Duty and F-350 Super Duty trucks
• Prevention of coolant leaks caused by hose degradation or improper fit
• Restoration of proper coolant flow to maintain engine temperature regulation
• Addressing hose swelling or softening due to heat and chemical exposure
• Ensuring secure connections with quick connectors to avoid coolant loss

Installation Notes and Tips

Before installation, verify the hose dimensions and connectors match your vehicle’s cooling system requirements. Ensure the engine is cool to prevent burns or pressure-related coolant spray. Carefully remove the old hose and clean the connection points to ensure a tight seal. The molded design of the Gates 51811 hose allows for straightforward installation without the need for additional shaping or clamps beyond those specified by the vehicle manufacturer.

Quality Assurance and Warranty

Gates Molded Coolant Hoses are manufactured to meet or exceed OEM standards for durability and performance. The use of EPDM and plastic materials provides resistance to heat, ozone, and coolant chemicals, contributing to a longer service life. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in Ford F-250 Super Duty and F-350 Super Duty trucks.