Gates 51411 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Mercedes-Benz Vehicles

The Gates Molded Coolant Hose 51411 is engineered to provide durable and efficient coolant flow for select Mercedes-Benz models. Designed with quality materials and precise dimensions, this radiator coolant hose ensures optimal performance and fitment for your vehicle's cooling system.

• Constructed from EPDM, plastic, and steel for durability and heat resistance
• End 1 inside diameter: 1.4 inches (36 mm)
• End 2 inside diameter: 1.8 inches (46 mm)
• Centerline length of 22.75 inches (578 mm) for accurate fit
• Includes female and male quick connectors for secure attachment
• Does not contain a spring, ensuring consistent coolant flow

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses designed to meet specific vehicle requirements. These hoses are molded to exact shapes and sizes, providing a reliable seal and fitment that supports efficient coolant circulation. The 51411 part number is part of this line, offering compatibility and durability for Mercedes-Benz cooling systems.

Detailed Product Description

This radiator coolant hose is crafted from EPDM rubber combined with plastic and steel components, providing resistance to heat, pressure, and chemical exposure typical in automotive cooling systems. The hose features two different inside diameters at each end—1.4 inches (36 mm) and 1.8 inches (46 mm)—to match the corresponding radiator and engine fittings. With a centerline length of 22.75 inches (578 mm), it fits precisely within the cooling circuit of Mercedes-Benz models such as the GL450, GLE43 AMG, GLE350, GLE400, GLE450 AMG, GLE500e, GLE550e, GLS450, ML350, and ML400. The inclusion of female and male quick connectors facilitates a secure and leak-resistant connection without the need for additional springs.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Prevention of coolant leaks that can cause engine overheating
• Restoration of proper coolant flow in Mercedes-Benz GL450 and GLE series vehicles
• Addressing hose swelling or deformation due to heat exposure
• Ensuring secure connections with quick connectors to avoid coolant loss

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 51411, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose orientation matches the original part, paying attention to the different inside diameters at each end. The quick connectors should snap firmly into place for a secure fit. Inspect all connections for leaks after installation and refill the cooling system with the appropriate coolant type recommended by Mercedes-Benz.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 51411 to meet or exceed OEM specifications, ensuring reliable performance in demanding automotive environments. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer.