ContiTech 64511 Molded By-Pass and Heater Hose

The ContiTech 64511 is a molded by-pass and heater hose engineered to transfer glycol-based coolants to and from the heater core, by-pass to the radiator, and through other components in the vehicle's coolant system. Pre-shaped to original equipment configurations, this hose delivers a precise, leak-free fit without modification.

Key Features:

• EPDM construction — tube and cover made from EPDM rubber with synthetic knit reinforcement for durability and flexibility
• OE-matched configuration — molded to original specifications for a direct, hassle-free replacement
• Broad coolant compatibility — works with ethylene glycol-based, propylene glycol-based, and organic acid technology (OAT) long-life coolants
• Meets or exceeds SAE 20R3EC Class D1 and Class D2 specifications as well as many OE standards
• High heat and chemical resistance — designed to withstand elevated underhood temperatures and antifreeze solutions
• Not for use in fuel or oil transfer applications

The ContiTech 64511 molded heater hose is a reliable OEM-quality replacement for worn or leaking coolant hoses, helping restore proper heating system and engine cooling performance.