Gates 51415 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 51415

The Gates Molded Coolant Hose 51415 is designed specifically for Mercedes-Benz E350 and E550 models. This radiator coolant hose combines durable materials and precise engineering to ensure reliable coolant flow and system integrity.

• Constructed from EPDM, plastic, and steel for durability and heat resistance
• Molded design with integrated branches and quick connectors for secure fitment
• End 1 inside diameter: 1.3 inches (33 mm), End 2 inside diameter: 1.4 inches (36 mm)
• Centerline length options: 18 inches (456 mm) and 24.25 inches (616 mm)
• Includes two quick connect fittings (male and Henn style) for easy installation
• Modular hose with one branch and no internal spring

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line features hoses designed with molded shapes and integrated connectors to match specific vehicle coolant system layouts. This approach reduces the need for additional clamps or adapters, improving installation accuracy and coolant system reliability. The 51415 part benefits from this design philosophy by providing a ready-to-install hose tailored for Mercedes-Benz E350 and E550 coolant routing.

Detailed Product Description

The Gates 51415 radiator coolant hose is engineered from EPDM rubber, plastic, and steel components to withstand high temperatures and resist coolant degradation. Its molded construction includes a single branch and two quick connect fittings—one male and one Henn style—allowing for a secure and leak-resistant connection. The hose features two different inside diameters at each end (1.3 inches and 1.4 inches) to accommodate specific radiator and engine fittings. With centerline lengths of 18 and 24.25 inches, this hose fits the coolant system layout of Mercedes-Benz E350 and E550 models precisely, ensuring proper coolant flow and system pressure maintenance.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Mercedes-Benz E350 and E550
• Resolving coolant leaks caused by deteriorated or damaged hoses
• Addressing overheating issues related to compromised coolant flow
• Upgrading to a molded hose for improved fit and reduced installation errors
• Eliminating coolant contamination from hose material breakdown

Installation Notes and Tips

• Ensure compatibility with Mercedes-Benz E350 and E550 before installation
• Inspect all quick connect fittings for secure engagement during installation
• Verify hose routing matches OEM coolant system layout to avoid kinks or stress points
• Replace any worn clamps or connectors to maintain system integrity
• Allow engine to cool before removing old hose to prevent burns or coolant spills

Quality Assurance and Warranty

Gates Molded Coolant Hose 51415 is manufactured to meet OEM specifications for Mercedes-Benz vehicles. The use of EPDM, plastic, and steel materials ensures resistance to heat, pressure, and coolant chemicals. While specific warranty details are not provided, Gates products typically adhere to industry standards for durability and performance, supporting reliable operation within the vehicle's cooling system.