Gates 18785 HVAC Heater Hose

Gates 18785 Molded Heater Hose Overview

Gates 18785 is a molded heater hose built for tight engine bays where a factory-shaped coolant line is needed. This OE-style hose uses EPDM construction and is sized for 16 mm (0.62 in) ends with a 23.2 in (589 mm) centerline length.

It is made for coolant, water, and air service, and Gates also approves this hose for marine applications. For buyers searching for a molded heater hose for Ford Mustang, Ford Taurus, or Ford E-350 Econoline applications, part number 18785 provides a direct replacement-style solution.

Key Features

• Gates Molded Heater Hose line for OE-style routing
• EPDM material for heater and coolant service
• Factory-molded shape for smaller, tighter engine compartments
• 16 mm (0.62 in) inside diameter at both ends
• 23.2 in (589 mm) centerline length
• Approved for coolant, water, air, and marine applications
• Part number 18785 for catalog and fitment lookup

Detailed Product Description

The Gates Molded Heater Hose line is built to match the routing needs of vehicles with compact engine packaging. Gates 18785 follows an OEM-style molded profile, which helps maintain proper hose routing in heater and coolant circuits where a straight hose would not fit correctly. This makes it a practical choice for service work on Ford Mustang, Ford Taurus, Ford E-350 Econoline, and related applications listed in the fitment data.

As a molded EPDM heater hose, 18785 is suited for coolant transfer in HVAC and engine cooling systems. The hose is also listed for water and air use, and the manufacturer notes marine approval. If you are replacing a worn molded heater hose on a Ford Mustang or Ford E-350 Econoline, Gates 18785 is built to match the original-style path and connection size.

This part cross-references Dayco 87657 and Continental 63178 for the same application.

What It Helps Fix

• Coolant leaks from cracked or aged molded heater hose sections
• Improper hose routing in tight engine compartments
• Restricted heater flow caused by collapsed or deteriorated hose
• Fitment issues when a straight hose cannot follow the original path
• Service replacement needs for heater-to-pipe and pipe-to-pipe routing

Installation Notes and Tips

• Verify end size, molded shape, and centerline length before installation.
• Match the hose routing to the original vehicle path to avoid kinks or tension.
• Inspect adjoining pipes, tees, and clamps for wear before reassembly.
• Confirm the vehicle-specific position listed in the fitment data, such as Heater To Pipe, Heater To Pipe-2, Tee-1 To Tee-3, or Pipe To Pipe.
• Use the fitment notes for special cases such as police package or A/C-related applications.

Quality Assurance

Gates is a recognized supplier of molded coolant and heater hose products, and this hose is built to OE-style dimensions for service replacement use. The EPDM construction and molded design support consistent fitment in the listed Ford, Mercury, and Kia applications.

• Fits 1992-1998 Ford E-350 Econoline, Tee-1 To Tee-3
• Fits 1992-1998 Ford E-350 Econoline Club Wagon, Tee-1 To Tee-3
• Fits 1997 Kia Sephia, Heater To Pipe-2
• Fits 1995 Kia Sephia, Heater To Pipe-2
• Fits 1996 Kia Sephia, Heater To Pipe-2
• Fits 1995 Ford Sable, Heater To Pipe
• Fits 1990-1995 Ford Taurus, Heater To Pipe
• Fits 1986 Ford Mustang, Heater To Pipe-2
• Fits 1983 Ford Mustang, Heater To Pipe-2
• Fits 1986 Mercury Capri, Heater To Pipe-2
• Fits 1983 Mercury Capri, Heater To Pipe-2
• Fits 1985 Ford Mustang, Heater To Tee
• Fits 1985 Mercury Capri, Heater To Tee
• Fits 1984 Ford Mustang, Heater To Pipe-1
• Fits 1984 Mercury Capri, Heater To Pipe-1
• Fits 1983 Ford Thunderbird, Heater To Pipe-2
• Fits 1982 Mercury Capri, Heater To Pipe-2
• Fits 1980 Ford Mustang, Pipe To Pipe
• Fits 1980 Mercury Capri, Pipe To Pipe