Gates 19551 HVAC Heater Hose - Engine To Heater Control Valve

Gates Molded Heater Hose for Honda and Acura

The Gates Molded Heater Hose, part number 19551, is a factory-molded coolant hose built for tight engine bays and OE-style routing. It is made from EPDM and is sized with 16 mm inside diameter ends and a 373 mm centerline length for a precise fit in the heater circuit.

Compatible with select 2003-2007 Honda Accord and 2004-2006 Acura TL applications, this molded heater hose is also approved for coolant, water, air, and marine use. Gates Molded Heater Hose 19551 is a direct-fit style replacement for the engine-to-heater control valve connection on these vehicles.

Key Features

• Factory-molded, OE-style hose shape for tighter engine compartments
• EPDM construction for coolant system service
• 16 mm inside diameter at both ends
• 373 mm centerline length for application-specific routing
• Approved for coolant, water, air, and marine applications
• Fits engine-to-heater control valve routing on select Honda Accord and Acura TL models

Product Details

Gates Molded Heater Hose 19551 is part of the Gates Molded Heater Hose line, which focuses on pre-formed hose routing for modern vehicles with limited underhood space. The molded design helps match the original hose path, reducing the need to force a straight hose into a curved application. For buyers searching for a 2003-2007 Honda Accord heater hose or a 2004-2006 Acura TL engine to heater control valve hose, this part number provides the correct molded configuration.

This part cross-references Continental 64624 and BBB Industries 11551 for the same application.

Common Problems This Hose Can Address

• Coolant leaks at a cracked or aged heater hose
• Softening, swelling, or collapse of an original EPDM hose
• Poor hose routing in a tight engine compartment
• Loss of heater performance caused by restricted coolant flow
• Replacement needs for a molded engine-to-heater control valve hose

Installation Notes and Tips

Verify the hose routing against the original part before installation, especially on Honda Accord and Acura TL heater hose applications. Confirm the 16 mm end sizes and the 373 mm centerline length match the vehicle’s engine-to-heater control valve path. Inspect adjoining clamps, fittings, and the heater control valve for wear or corrosion before reassembly.

Quality Assurance

Gates manufactures this molded heater hose as an OE-style replacement built to match application-specific fitment requirements. The EPDM material and factory-molded construction support consistent hose routing in the intended Honda Accord and Acura TL applications.