Gates 19421 HVAC Heater Hose - Pipe-1 To Heater

Gates Molded Heater Hose for Tight Engine Bays

The Gates 19421 molded heater hose is a factory-shaped coolant hose built for smaller, tighter engine compartments where a straight hose will not route correctly. It is made from EPDM and is approved for coolant, water, air, and marine applications.

Compatible with 2002-2003 Dodge Durango, Pipe-1 To Heater, this molded hose follows the OE-style path needed for a clean, secure connection. The Gates Molded Heater Hose line focuses on factory-molded routing for modern vehicle packaging.

Key Features

• Gates part number 19421
• Factory-molded, OE-style hose shape
• EPDM construction for coolant-system service
• End I.D. sizes: 0.63 in (16 mm) and 0.75 in (19 mm)
• Centerline length: 38.6 in (980 mm)
• Approved for coolant, water, air, and marine applications
• Compatible with 2002-2003 Dodge Durango heater hose routing

Detailed Description

The Gates 19421 is a molded heater hose designed to match the routing demands of compact engine bays. Its factory-molded shape helps maintain the correct hose path between the pipe and heater connection on 2002-2003 Dodge Durango models, while the EPDM material supports use in coolant and related fluid or air applications. If you are replacing a worn or damaged Dodge Durango heater hose, this OE-style molded design provides the correct formed layout for the application.

This part cross-references Quality-Built 11421 for the same application.

What It Helps Address

• Cracked or heat-aged heater hose material
• Collapsed or softened hose sections
• Improper routing in tight engine compartments
• Coolant leaks at the heater hose path
• Replacement needs for a molded Dodge Durango heater hose

Installation Notes and Tips

Verify the hose routing, end diameters, and centerline length before installation. Match the molded shape to the original path on the vehicle to avoid kinks, twist, or contact with nearby components. Confirm the connection points on the 2002-2003 Dodge Durango, Pipe-1 To Heater, before final assembly.

Quality Assurance

Gates manufactures this molded heater hose as an OE-style replacement part for applications that require formed routing and consistent fitment. The EPDM construction and application-specific molding support dependable service in the cooling system.