Gates 23404 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 23404

The Gates Molded Coolant Hose part number 23404 is designed specifically for BMW vehicles including models such as the 320i, 323Ci, 325i, 328i, and 330i. This radiator coolant hose is engineered to provide reliable coolant flow and maintain optimal engine temperature under various driving conditions.

• Constructed from durable EPDM, plastic, and steel materials
• Molded design with three female quick connectors and a bleeder valve
• Centerline length of 13.5 inches (343 mm) for precise fitment
• End 1 and End 2 inside diameters both measure 1.81 inches (46 mm)
• Modular hose with three quick connect fittings for easy installation
• Compatible with multiple BMW models including 320i, 323i, 325i, 328i, and 330i series

Detailed Product Description

The Gates Molded Coolant Hose 23404 is a radiator coolant hose designed to meet the specific cooling system requirements of select BMW models. Made from EPDM rubber combined with plastic and steel components, this hose offers resistance to heat, pressure, and coolant chemicals. The molded construction ensures a precise fit and reduces the risk of leaks. It features three female quick connectors and an integrated bleeder valve, facilitating efficient coolant system bleeding and secure connections. The hose’s centerline length of 13.5 inches (343 mm) and consistent inside diameter of 1.81 inches (46 mm) at both ends ensure compatibility with the cooling system layout of BMW 320i, 323Ci, 325i, 328i, and 330i models.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose product line focuses on delivering pre-formed, modular hoses designed for specific vehicle applications. These hoses incorporate quick connect fittings and integrated components like bleeder valves to simplify installation and maintenance. The molded design enhances durability and fitment accuracy, reducing the potential for coolant leaks and system failures. Part number 23404 is a representative example tailored for BMW cooling systems, combining material strength with functional design.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in BMW 320i, 323Ci, 325i, 328i, and 330i models
• Resolving coolant leaks caused by hose degradation or failed connections
• Improving coolant flow and preventing overheating due to damaged or collapsed hoses
• Facilitating coolant system bleeding with integrated bleeder valve
• Upgrading to a modular hose system for easier maintenance and part replacement

Installation Notes and Tips

• Ensure the engine is cool before removing the old coolant hose to avoid burns
• Verify the hose orientation and connector alignment before installation
• Use appropriate clamps or quick connectors as provided to secure the hose
• Check for leaks after installation by running the engine and inspecting connections
• Bleed the cooling system using the integrated bleeder valve to remove trapped air

Quality Assurance and Warranty

Gates Molded Coolant Hose 23404 is manufactured to meet OEM specifications for durability and performance. The use of EPDM, plastic, and steel materials ensures resistance to heat, pressure, and coolant chemicals. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship. It is recommended to consult the product packaging or official Gates documentation for exact warranty terms.