Gates 19549 HVAC Heater Hose - Engine To Heater Control Valve

Gates 19549 Molded Heater Hose Overview

The Gates 19549 molded heater hose is an OEM-style coolant hose built for tight engine bays and factory-style routing. It is shaped to match the application and supports coolant, water, and air transfer in HVAC and engine cooling systems.

Compatible with 2004-2008 Acura TSX engine to heater control valve and 2003-2007 Honda Accord engine to heater control valve, this molded heater hose helps maintain proper hose routing in compact underhood layouts. The Gates Molded Heater Hose line focuses on factory-molded fitment for vehicles with smaller clearances.

Key Features

• Gates part number 19549
• Factory-molded, OEM-style hose profile
• EPDM construction for coolant system service
• End I.D.: 0.63 in. (16 mm) at both ends
• Centerline length: 14.5 in. (368 mm)
• Fits coolant, water, and air applications
• Approved for marine applications
• Designed for tighter engine compartment routing

Product Details

Gates 19549 is a molded heater hose made from EPDM and formed to follow the original hose path in applications that require a compact bend profile. The 0.63-inch inside diameter at each end and 14.5-inch centerline length support a direct-style replacement for the heater circuit connection between the engine and heater control valve. This part number 19549 is a practical choice for Acura TSX and Honda Accord service where correct hose shape matters as much as hose size.

This part cross-references Dixie Electric Ltd 11549 for the same application.

Common Problems It Can Address

• Coolant hose leakage at a worn or cracked molded section
• Improper hose routing in a tight engine compartment
• Heat-related hose deterioration in the heater circuit
• Restricted coolant flow caused by a damaged hose path
• Fitment issues when a straight hose will not follow the original route

Installation Notes

Verify the hose path, end diameters, and centerline length before installation. Confirm the vehicle application by year, make, model, and position: Fits 2004-2008 Acura TSX, Engine To Heater Control Valve; Fits 2003-2007 Honda Accord, Engine To Heater Control Valve. Inspect adjoining clamps, fittings, and mating surfaces for wear or corrosion before transferring the new hose into place.

Quality Assurance

Gates manufactures this molded heater hose as an OEM-style replacement for vehicles that require accurate routing and consistent material performance. The EPDM construction and factory-molded shape support dependable service in coolant and HVAC hose applications.