MacKay CH2231 Lower Radiator Coolant Hose

The MacKay CH2231 is a precision-engineered lower radiator hose designed to provide reliable coolant circulation in your vehicle's cooling system. Manufactured by MacKay, an Australian company with over 85 years of experience supplying OEM and aftermarket automotive components, this radiator hose meets the demanding standards of professional installers and DIY mechanics alike.

Premium Construction:

• Manufactured from high-quality EPDM (Ethylene Propylene Diene Monomer) rubber for superior heat, water, and ozone resistance
• Formulated for electrochemical degradation (ECD) resistance to prevent premature deterioration
• Embedded Aramid/Rayon lockstitch reinforcement for enhanced structural integrity
• Engineered to meet or exceed SAE J20R4 Type EC Class D-1 and Class D-2 radiator hose specifications

Key Features:

• Heat resistant construction withstands harsh under-hood temperatures without cracking, splitting, or becoming fatigued
• Ozone resistant formulation ensures long service life even in challenging environmental conditions
• Suitable for use with plain water or automotive coolant
• Designed with precise fitment for easy installation and reliable sealing

MacKay radiator hoses are trusted by major automotive manufacturers including GM, Ford, Toyota, and Nissan as OEM suppliers. When it's time to replace your worn coolant hoses, the MacKay CH2231 delivers the quality and durability you need to maintain your cooling system's performance and prevent costly engine overheating. Not suitable for fuel, oil, or transmission/brake fluid applications—water and coolant use only.