Gates 23420 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 23420

The Gates Molded Coolant Hose part number 23420 is designed specifically for BMW models including the 128i, 323i, 325Ci, 325i, 325xi, 328i, 328i xDrive, 328xi, 330Ci, 330i, and 330xi. 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 two female quick connectors and a sensor port
• 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 two quick connect fittings for easy installation
• Contains no internal spring, ensuring consistent coolant flow

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering pre-formed hoses that match exact OEM specifications for fit and function. This product line incorporates modular components such as quick connectors and sensor ports to simplify installation and integration with vehicle cooling systems. The molded construction ensures durability and resistance to heat and pressure, making it suitable for BMW radiator coolant applications.

Detailed Product Description

The Gates Molded Coolant Hose 23420 is manufactured using EPDM rubber combined with plastic and steel reinforcements to withstand high temperatures and resist degradation from coolant chemicals. Both ends of the hose have an inside diameter of 1.81 inches (46 mm), ensuring a secure connection to the radiator and engine fittings. The hose length of 13.5 inches (343 mm) centerline is designed to fit precisely within the cooling system layout of compatible BMW models. The inclusion of two female quick connectors and a sensor port allows for seamless integration with existing vehicle sensors and coolant lines without additional modifications.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in BMW 3 Series models
• Resolving coolant leaks caused by hose deterioration or damage
• Maintaining proper coolant flow to prevent engine overheating
• Upgrading to a molded hose for improved fit and reduced installation time
• Ensuring sensor compatibility with integrated sensor port

Installation Notes and Tips

• Verify compatibility with your specific BMW model and engine variant before installation
• Ensure all quick connectors are securely attached to prevent coolant leaks
• Inspect surrounding components for wear or damage during hose replacement
• Use proper tools to avoid damaging the molded hose or connectors
• Check coolant levels and system pressure after installation

Quality Assurance and Warranty

Gates Molded Coolant Hose 23420 is manufactured to meet or exceed OEM standards for durability and performance. The use of EPDM and reinforced materials ensures resistance to heat, pressure, and chemical exposure typical in automotive cooling systems. While specific warranty details are not provided, Gates products generally come with manufacturer-backed quality assurance to support reliable operation in BMW radiator coolant applications.