Gates 18279 Molded Heater Hose

The Gates 18279 Molded Heater Hose is a precision-engineered, pre-formed coolant hose designed to deliver reliable heater core performance in demanding underhood environments. Unlike straight hoses that require cutting and bending, this molded hose is manufactured to match the exact routing geometry of the original equipment hose, ensuring a proper OE-style fit and leak-free seal.

Gates engineers their molded heater hoses using a high-quality EPDM (ethylene propylene diene monomer) rubber compound reinforced with durable textile plies. This construction provides excellent resistance to coolant chemicals, heat aging, and ozone degradation—helping the hose maintain its flexibility and integrity over the long term.

Key Features:

• Pre-formed molded design matches OE routing for a precise, no-modification fit
• EPDM rubber construction resists heat, ozone, and coolant fluid degradation
• Reinforced inner plies provide resistance to collapse and pressure surges
• Smooth inner bore promotes efficient coolant flow to the heater core
• Meets or exceeds OEM specifications for pressure and temperature performance
• Direct replacement for worn, cracked, or leaking factory heater hoses

Gates is one of the most trusted names in automotive belts and hoses, with over a century of engineering expertise. The 18279 molded heater hose is an ideal direct-fit replacement for maintaining proper cabin heat and cooling system integrity.