Gates 19986 HVAC Heater Hose - Heater To Pipe

Overview

Gates 19986 is a molded HVAC heater hose built in an OEM-style shape for tight engine compartments. It is made from EPDM and is intended for coolant, water, and air service, with marine application approval noted by the manufacturer.

Key Features

• Factory-molded hose profile for a precise routing path.
• EPDM construction for heater and coolant service.
• Small I.D. design for compact hose connections.
• Approved for coolant, water, air, and marine applications.
• Gates Molded Heater Hose line for replacement hose applications.

Fitment Details

Compatible with BMW 318i, heater to pipe, 1992-1999. Compatible with BMW 318is, heater to pipe, 1992-1999. Compatible with BMW 318ti, heater to pipe, 1996-1999. This part cross-references Rein CHH0159R for the same application.

What It Is Used For

• Replacing a cracked or leaking heater hose.
• Restoring coolant flow through the heater circuit.
• Addressing hose routing issues in tight engine bays.
• Replacing a hose that no longer holds its molded shape.

Installation Notes and Tips

Verify hose routing, end diameters, and centerline length before installation. Confirm the heater-to-pipe application and compare the original hose shape to the replacement part number 19986. Check adjacent clamps, pipes, and fittings for wear or corrosion before reassembly.

Quality Assurance

Gates designs this molded hose as an OEM-style replacement for compact engine layouts. Part number 19986 is listed with Gates interchange support and is referenced by multiple cross numbers for the same application.