Gates 18174 HVAC Heater Hose - Thermostat To Throttle Body or Throttle Body To Thermostat

Gates 18174 Molded Heater Hose

The Gates 18174 molded heater hose is an OEM-style coolant hose formed for tight engine bays and precise routing. Built from EPDM, it is made for coolant, water, and air applications and is also approved for marine use.

Compatible with select Honda, Acura, and Honda Crosstour applications, this molded heater hose supports the throttle body to thermostat or thermostat to throttle body connection where a factory-shaped hose is required. The Gates Molded Heater Hose line focuses on direct-fit routing for compact engine compartments.

Key Features

• Factory-molded, OE-style hose shape for accurate routing
• EPDM construction for coolant, water, and air service
• Small inside diameter design for tighter engine compartment layouts
• Approved for marine applications
• Gates part number 18174 for application-specific replacement

Detailed Description

Gates 18174 is a molded heater hose engineered for vehicles that use a formed hose between the throttle body and thermostat. Its EPDM material and molded profile help match the original hose path in compact engine compartments, reducing the need to force a straight hose into a curved routing path. This part number 18174 is listed for applications including 2008-2012 Honda Accord, 2009-2015 Honda Pilot, and 2009-2014 Acura TL, along with other select Honda and Acura models.

This Gates Molded Heater Hose is a practical replacement when the original hose has aged, softened, or no longer holds its shape. It is also cross-referenced to Anchor 10174 for the same application.

What It Helps Fix

• Coolant leaks at a formed heater hose connection
• Cracked or hardened EPDM hose material
• Improper hose routing in tight engine compartments
• Heat-related hose collapse or deformation
• Service issues at the throttle body to thermostat coolant path

Installation Notes and Tips

Verify the hose routing and connection points before installation. This hose is listed for throttle body to thermostat and thermostat to throttle body positions, so confirm the vehicle-specific layout before ordering. Inspect adjoining fittings, clamps, and mating surfaces for wear or corrosion before installing the replacement hose.

Compatible fitment includes 2011-2017 Honda Odyssey, 2009-2015 Honda Pilot, 2009-2014 Acura TL, 2010-2014 Acura TSX, 2008-2012 Honda Accord, 2012 Honda Crosstour, and 2010-2011 Honda Accord Crosstour.

Quality Assurance

Gates manufactures this molded heater hose as an OEM-style replacement in the Molded Heater Hose product line, with construction and fitment aimed at factory routing requirements for the listed applications.