Gates 19548 HVAC Heater Hose - Heater (Upper) or Heater Outlet

Gates 19548 Molded Heater Hose Overview

The Gates 19548 molded heater hose is an OEM-style coolant hose formed for tight engine bays and smaller routing spaces. Built from EPDM, it is made for coolant, water, and air service, and it is also approved for marine applications.

Compatible with select Hyundai Sonata and Kia Magentis and Optima applications, this molded heater hose follows the factory-style shape needed for proper routing and connection alignment. The Gates Molded Heater Hose line is focused on direct-fit replacement hoses for vehicles where a straight hose will not match the original path.

Key Features

• Gates 19548 molded heater hose for HVAC heater hose replacement
• Factory-molded shape for tighter engine compartment routing
• EPDM construction for coolant, water, and air applications
• OEM-style form factor for accurate hose routing
• Approved for marine applications
• End inside diameters: 18 mm (.70 in) and 21 mm (.82 in)
• Centerline length: 450 mm (17.7 in)

Detailed Description

This Gates molded coolant hose is built to match the original hose path in applications where space is limited and routing accuracy matters. The 19548 part number is a molded heater hose with a 450 mm centerline length and different end diameters to match the factory connection points. It is a practical replacement for vehicles that need a shaped hose rather than a universal straight section.

Fits 2006-2010 Hyundai Sonata, Heater Outlet. Fits 2009-2010 Kia Magentis, Heater (Upper). Fits 2009-2010 Kia Optima, Heater Outlet. This part cross-references Continental 64602 and BBB Industries 11548 for the same application.

Common Uses

• Replacing a cracked or aged heater hose in the cooling system
• Restoring heater circuit flow in a Hyundai Sonata
• Addressing hose routing issues in Kia Magentis and Kia Optima heater connections
• Correcting leaks at molded hose bends or connection points
• Replacing a hose that no longer matches the original factory shape

Installation Notes and Quality

Verify end diameters, centerline length, and routing before installation to confirm the hose matches the original path. Inspect adjoining clamps, fittings, and connection surfaces for wear or corrosion before installing the replacement hose. Proper alignment is important on molded heater hose applications to avoid kinks and maintain coolant flow.

Gates manufactures this molded heater hose as an OE-style replacement part for vehicles that require shaped coolant hose routing. The molded EPDM construction and factory-style dimensions support consistent fitment in the listed Hyundai and Kia applications.