Gates 18735 HVAC Heater Hose - Heater To Pipe or Pipe-2 To Pipe-3

Gates 18735 Molded Heater Hose Overview

Gates 18735 is a factory-molded heater hose built for tight engine bays where a straight hose will not route cleanly. Made from EPDM and formed to OEM-style dimensions, it supports coolant, water, and air transfer in heating and cooling systems.

Compatible With 1988-1993 Ford Festiva heater-to-pipe routing and 1993 Chevrolet Lumina, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix pipe-2 to pipe-3 applications. The molded shape helps maintain proper hose routing in smaller engine compartments.

Key Features

• Gates Molded Heater Hose, part number 18735
• Factory-molded, OEM-style profile for precise routing
• EPDM construction for heater and coolant service
• Small I.D. design with 0.62 in. / 16 mm inside diameter at both ends
• 16.2 in. / 411 mm centerline length
• Approved for coolant, water, air, and marine applications
• Cross-reference example: 10735

Detailed Description

This Gates molded coolant hose is shaped to follow the original routing used in compact engine compartments, helping restore proper flow path and fitment where space is limited. The 18735 hose is a direct-style replacement for select Ford Festiva, Chevrolet Lumina, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix heater and coolant hose locations. Gates 18735 is built for applications that require a small inside diameter, molded bends, and stable routing under heat and pressure.

The Molded Heater Hose line from Gates focuses on OE-style hose geometry for vehicles that need accurate bends rather than universal straight hose sections. That makes this product line a practical choice when replacing a formed heater hose in a crowded HVAC or cooling system layout.

What It Helps Solve

• Cracked or heat-aged heater hose sections
• Collapsed hose routing in tight engine compartments
• Coolant leaks at molded hose bends
• Poor fitment from incorrect straight hose replacements
• Restricted flow caused by damaged or misshaped hose routing

Installation Notes and Tips

Verify end diameters, centerline length, and molded shape against the original hose before installation. Confirm the routing path on the vehicle and inspect adjoining pipes, clamps, and heater connections for wear or corrosion. For best results, install on a cool engine and route the hose without twisting so the molded bends align correctly.

Fits 1988-1993 Ford Festiva, Heater To Pipe. Fits 1993 Chevrolet Lumina, Pipe-2 To Pipe-3. Fits 1993 Oldsmobile Cutlass Supreme, Pipe-2 To Pipe-3. Fits 1993 Pontiac Grand Prix, Pipe-2 To Pipe-3.

Quality Assurance

Gates manufactures this hose as an OE-style molded replacement using EPDM material and factory-formed dimensions for consistent fit and routing. The hose is approved for coolant, water, air, and marine use.