Gates 18206 HVAC Heater Hose

Gates 18206 Molded Heater Hose

The Gates 18206 is a molded heater hose built for tight engine bays where a factory-shaped coolant hose is needed. With an OEM-style molded profile and EPDM construction, it serves coolant, water, and air routing needs in HVAC and engine cooling systems.

Key Features

• Factory-molded, OE-style shape for compact engine compartments
• EPDM construction for coolant, water, and air service
• Small I.D. hose with 8 mm / .31 in. ends
• Centerline length: 10.7 in. (272 mm)
• Approved for marine applications
• Gates Molded Heater Hose line for direct-fit routing in HVAC and cooling layouts

Product Details

This molded heater hose is part of the Gates Molded Heater Hose line, which focuses on factory-shaped replacement hoses for vehicles with limited clearance around the throttle body, thermostat, reservoir, EGR valve, intake manifold, and related coolant passages. The Gates 18206 is a molded coolant hose that follows the original routing geometry, helping maintain proper hose alignment in applications such as Honda Accord, Honda Civic, Nissan Sentra, Mazda 323, and Saturn Vue. This part cross-references Continental 63044 for the same application.

Built from EPDM, the hose is suited for coolant transfer and other fluid or air routing where a molded small-diameter hose is required. The 8 mm inside diameter at both ends and 10.7-inch centerline length make it a practical OE-style replacement for vehicles that use a compact molded heater hose layout. Gates 18206 is also listed for marine use, adding flexibility for non-automotive cooling and transfer applications.

What It Helps Solve

• Cracked or leaking molded heater hose routing
• Collapsed or softened small-diameter coolant hose sections
• Improper hose fit in tight engine compartments
• Coolant seepage at throttle body, thermostat, or reservoir connections
• Replacement needs for molded HVAC and heater hose routing

Installation Notes and Tips

• Verify end diameters and centerline length before installation.
• Match the molded shape to the original hose routing for proper clearance.
• Inspect adjoining fittings, clamps, and connection points for wear before reuse.
• Confirm the vehicle’s exact hose path, especially on Nissan Maxima, Mazda MX-3, and Saturn Vue applications.

Quality Assurance

Gates manufactures this molded heater hose as an OEM-style replacement part for cooling and HVAC hose service. The EPDM construction and factory-molded profile support consistent fitment across the listed applications, including 1985-2007 vehicles such as Honda Accord, Honda Civic, and Nissan Sentra.