Gates 18985 HVAC Heater Hose - Auxiliary Heater To Pipe-1

Overview

Gates 18985 is a molded HVAC heater hose built for tight engine compartments and auxiliary heater routing. It uses an OEM-style formed shape to match the application and maintain proper hose routing in compact spaces.

This molded heater hose fits 1993-1998 Mercury Villager and Nissan Quest applications with auxiliary heater routing. The Gates 18985 part number is also useful when cross-checking replacement needs for the same application.

Key Features

• EPDM construction for coolant, water, and air service
• Factory-molded shape for accurate routing in confined spaces
• Small inside diameter for auxiliary heater hose applications
• Approved for marine applications
• OEM-style replacement hose design

Detailed Description

Gates Molded Heater Hose 18985 is formed to follow the original hose path in auxiliary heater systems where space is limited. The EPDM material is suited for heater-circuit service, and the molded profile helps maintain the correct routing between connection points. For buyers searching for a molded heater hose for Nissan Quest or Mercury Villager applications, this hose matches the listed auxiliary heater-to-pipe fitment and supports the same style of installation used in the original layout. Gates 18985 is also identified by the part number 18985 for catalog and replacement lookup purposes.

What It Is Used For

• Replacing a damaged or deteriorated auxiliary heater hose
• Restoring proper coolant flow through the heater circuit
• Correcting hose routing in tight engine compartments
• Addressing leaks caused by cracked or softened hose material
• Matching the original molded hose path for the application

Installation Notes and Tips

Verify the auxiliary heater-to-pipe routing and compare the molded shape, inside diameter, and centerline length before installation. Confirm the vehicle application and note that fitment varies by model year and heater configuration. The Gates 18985 hose should be matched to the listed molded layout for proper alignment.

Quality Assurance

Gates designs this molded hose as an OEM-style replacement for compact engine bay routing. The EPDM construction and factory-formed profile reflect the brand’s focus on application-specific hose fitment.