Gates 51722 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Mercedes-Benz S350

The Gates Molded Coolant Hose 51722 is engineered to meet the cooling system demands of the Mercedes-Benz S350. Designed with durable materials and precise dimensions, this radiator coolant hose ensures efficient coolant flow and system integrity.

• Constructed from EPDM, plastic, and steel for durability and heat resistance
• Molded design with integrated branch and female quick connector for secure fitment
• End 1 inside diameter: 1.5 inches (38 mm); End 2 inside diameter: 1.9 inches (48 mm)
• Centerline length of 21 inches (533 mm) for exact fit
• Includes one quick connect fitting for streamlined installation

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-molded hoses designed to fit specific vehicle applications. This product line incorporates modular components such as branches and quick connectors to facilitate proper coolant routing and secure connections. The 51722 hose exemplifies this approach with its molded construction and integrated fittings tailored for the Mercedes-Benz S350 cooling system.

Detailed Product Description

The Gates 51722 radiator coolant hose is manufactured using a combination of EPDM rubber, plastic, and steel materials, providing resistance to heat, pressure, and coolant chemicals. The molded design includes a single branch and a female quick connector, allowing for a reliable and leak-resistant connection within the cooling system. With an end 1 inside diameter of 1.5 inches (38 mm) and end 2 inside diameter of 1.9 inches (48 mm), this hose matches the OEM specifications for the Mercedes-Benz S350. The centerline length of 21 inches (533 mm) ensures proper routing and fitment without the need for modifications.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Mercedes-Benz S350 vehicles
• Addressing coolant leaks caused by hose degradation or damage
• Restoring proper coolant flow to prevent engine overheating
• Ensuring secure connections with integrated quick connect fittings
• Maintaining system pressure and preventing coolant loss

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 51722, ensure the vehicle is cool and the cooling system is depressurized. Verify that the hose dimensions match the original part, paying close attention to the molded branch and quick connector orientation. Use appropriate clamps and inspect all connections for leaks after installation. This hose is designed for direct replacement on the Mercedes-Benz S350, minimizing installation time.

Quality Assurance and Warranty

Gates manufactures the 51722 Molded Coolant Hose to meet strict quality standards, using materials that resist heat, pressure, and chemical exposure typical in automotive cooling systems. While specific warranty details are not provided, Gates products are generally backed by industry-standard warranties covering defects in materials and workmanship.