ContiTech 63221 Molded Heater Hose

The ContiTech 63221 is a precision-molded heater hose designed to transfer glycol-based coolants to and from the heater core, bypass to the radiator, and through other critical components in your vehicle's cooling system. This professional-grade hose meets SAE 20R3EC Class D1 and Class D2 specifications and features resistance to Electrochemical Degradation (ECD), ensuring long-lasting durability in demanding underhood environments.

Key Features:

• Pre-molded design for direct OEM fit and easy installation
• SAE 20R3EC Class D1 and Class D2 compliant construction
• Electrochemical degradation resistant materials for extended service life
• Engineered to withstand high underhood temperatures and antifreeze coolants
• Premium quality construction from a trusted OE supplier

ContiTech heater hoses are manufactured to OE specifications, providing reliable coolant transfer and maintaining proper engine operating temperatures. The molded design ensures a precise fit, eliminating the need for custom bending or trimming during installation.