Gates 51620 Radiator Coolant Hose - Vent Tube - Engine To Expansion Tank

Overview of Gates Molded Coolant Hose 51620

The Gates Molded Coolant Hose 51620 is engineered for reliable cooling system performance in BMW 750i and 750Li models. Designed with durable EPDM, plastic, and steel materials, this radiator coolant hose ensures consistent fluid flow and heat resistance under demanding conditions.

• Constructed from EPDM, plastic, and steel for durability and heat resistance
• End 1 inside diameter: 8 mm (0.32 inches)
• End 2 inside diameter: 13 mm (0.5 inches)
• Centerline length: 1054 mm (41.5 inches)
• Includes one female quick connector fitting
• Molded design for precise fit and leak prevention
• Modular hose compatible with quick connect systems

Detailed Product Description

The Gates Molded Coolant Hose 51620 is a molded radiator coolant hose specifically designed for BMW 750i and 750Li vehicles. Its construction from EPDM rubber, plastic, and steel components provides excellent resistance to heat, pressure, and coolant chemicals. The hose features a centerline length of 1054 mm (41.5 inches), with two different inside diameters at each end—8 mm (0.32 inches) and 13 mm (0.5 inches)—to accommodate specific radiator and engine connections. The molded design ensures a precise fit, reducing the risk of leaks and improving coolant system reliability. Additionally, the hose includes one female quick connector fitting, facilitating easier installation and maintenance within modular cooling systems.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering pre-formed, precision-engineered hoses that match exact OEM specifications. These molded hoses are designed to fit specific vehicle applications, such as the BMW 750i and 750Li, providing consistent performance and durability. The molded construction eliminates the need for multiple clamps and reduces potential leak points, making it a reliable choice for radiator coolant system repairs and replacements.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in BMW 750i and 750Li
• Resolving coolant leaks caused by hose degradation or improper fit
• Maintaining optimal engine temperature by ensuring proper coolant flow
• Preventing overheating due to compromised hose integrity
• Upgrading to a modular hose with quick connect fittings for easier serviceability

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 51620, ensure the hose is routed according to the vehicle manufacturer’s specifications to avoid kinks or interference with other engine components. The included female quick connector should be securely attached to the corresponding male fitting to prevent leaks. Inspect all connection points for proper sealing and verify coolant system pressure after installation. It is recommended to replace any associated clamps or seals if they show signs of wear during the hose replacement process.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 51620 to meet stringent quality standards, ensuring compatibility and durability for BMW 750i and 750Li cooling systems. The use of EPDM, plastic, and steel materials provides resistance to heat, pressure, and coolant chemicals. While specific warranty details are not provided, Gates products typically adhere to industry standards for automotive replacement parts, offering reliable performance when installed correctly.