Gates 51451 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Mercedes-Benz Vehicles

The Gates Molded Coolant Hose 51451 is engineered to provide durable and precise coolant flow for select Mercedes-Benz models. Designed with quality materials and exact fitment, this radiator coolant hose supports efficient engine cooling in the E300, GLC300, and GLC350e.

• Constructed from EPDM, plastic, and steel for durability and heat resistance
• Centerline length of 16.25 inches (413 mm) for accurate fitment
• End 1 and End 2 inside diameters measure 1.8 inches (46 mm) for secure connections
• Includes 2 female quick connectors for easy hose 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-molded components designed to meet or exceed OEM specifications. These hoses combine EPDM rubber with plastic and steel reinforcements to withstand high temperatures and pressures typical in automotive cooling systems. The 51451 part benefits from this engineering, providing a reliable replacement hose tailored for Mercedes-Benz cooling applications.

Product Details and Specifications

This radiator coolant hose features a centerline length of 16.25 inches (413 mm), making it suitable for the cooling system layout of Mercedes-Benz E300, GLC300, and GLC350e models. Both ends have an inside diameter of 1.8 inches (46 mm), ensuring compatibility with factory fittings. The absence of a spring inside the hose allows for smooth coolant flow without obstruction. The inclusion of two female quick connectors facilitates straightforward installation and secure hose connections.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Mercedes-Benz E300, GLC300, and GLC350e
• Resolving coolant leaks caused by degraded or damaged hoses
• Preventing engine overheating due to compromised coolant flow
• Maintaining proper pressure and flow within the cooling system
• Ensuring compatibility with factory quick-connect fittings for secure installation

Installation Notes and Tips

Before installation, verify the hose length and diameter match your vehicle’s specifications. The 51451 hose includes two female quick connectors, which should align with the corresponding male fittings on the vehicle. Ensure all connections are clean and free of debris to prevent leaks. Avoid twisting or stretching the hose during installation to maintain its integrity and performance.

Quality Assurance and Warranty

Gates Molded Coolant Hoses are manufactured to meet stringent quality standards, using materials designed for long-term durability in automotive cooling systems. While specific warranty details for part number 51451 are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Consult the product packaging or manufacturer resources for exact warranty terms.