Gates 18862 HVAC Heater Hose - Valve To Engine or Valve To Pipe

Gates Molded Heater Hose 18862 Overview

Gates 18862 is a molded HVAC heater hose built for tight engine bays where a factory-shaped coolant hose is needed. It uses EPDM construction and an OEM-style molded profile to support coolant, water, and air routing in select Toyota and Lexus applications.

The Gates Molded Heater Hose line focuses on small I.D. molded coolant hoses for modern, compact engine compartments. This Gates 18862 hose follows that product-line approach with a precise bend shape for direct routing in the heater circuit.

Key Features

• EPDM construction for heater and coolant service
• Factory-molded shape for tighter engine compartment routing
• Small inside diameter: 0.62 in. (16 mm) at both ends
• Centerline length: 23.7 in. (602 mm)
• OEM-style molded heater hose design
• Approved for marine applications
• Gates 18862 part number for direct reference

Detailed Description

Gates 18862 is a molded HVAC heater hose designed to replace a formed coolant hose in applications that require a specific bend and length. Its EPDM material is suited for coolant transfer, and the molded construction helps it follow the original hose path in compact layouts. This part cross-references Four Seasons 63062 for the same application.

Compatible With 1996-1999 Toyota Celica, Valve To Engine; 1994 Toyota Celica, Valve To Engine; 1990-1991 Lexus ES250, Valve To Pipe; and 1988-1991 Toyota Camry, Valve To Pipe. For Toyota Celica and Toyota Camry heater hose replacement, Gates 18862 provides the molded routing needed for these factory configurations.

Common Problems This Hose Can Address

• Cracked or hardened heater hose material
• Coolant leaks at a molded hose section
• Poor hose routing in tight engine compartments
• Incorrect fit from straight universal hose replacements
• Degraded heater circuit flow caused by a damaged formed hose

Installation Notes and Tips

• Verify the hose path, end diameters, and centerline length before installation.
• Follow the vehicle-specific routing for the valve-to-engine or valve-to-pipe location.
• Inspect adjoining clamps, pipes, and heater valves for wear before reassembly.
• Some listed Toyota Celica applications note protective sleeve required and cut-to-fit guidance; confirm the exact vehicle configuration before installation.

Quality Assurance

Gates manufactures this molded heater hose as an OEM-style replacement for select Toyota and Lexus vehicles. The molded EPDM design and application-specific dimensions support consistent fitment for the listed heater hose routes.