Gates 19611 HVAC Heater Hose

Gates 19611 Molded Heater Hose Overview

The Gates 19611 molded heater hose is an OEM-style coolant hose built for tight engine bays and factory routing. With a 0.75 in. (19 mm) inside diameter at both ends and a molded 20.9 in. (531 mm) centerline length, it is made for direct-fit heater and coolant routing on a wide range of vehicles.

Gates Molded Heater Hose products are formed to follow original hose paths, helping maintain proper clearance around nearby components. This hose is made from EPDM and is approved for coolant, water, air, and marine applications.

Key Features

• Part number: 19611
• OEM-style molded heater hose for compact engine compartments
• EPDM construction for coolant, water, and air service
• 0.75 in. / 19 mm inside diameter at both ends
• 20.9 in. / 531 mm centerline length
• Factory-molded shape for routing in tight spaces
• Cross-reference: Dayco 86056

Application Details

This Gates 19611 heater hose is used in heater, thermostat, reservoir, pipe, and engine routing positions across multiple platforms. It is a direct replacement choice for vehicles such as the 2007-2010 Saturn Sky heater to thermostat hose, the 2006-2009 Pontiac Solstice heater to thermostat hose, and the 2002-2004 Chevrolet Cavalier lower pipe to reservoir hose. The same molded hose design also appears in applications for Pontiac Sunfire, Cadillac Eldorado, Buick Riviera, and Oldsmobile Toronado.

For buyers searching for a molded heater hose for Saturn Sky, Pontiac Solstice, or Chevrolet Cavalier applications, part number 19611 provides the correct OEM-style shape and hose sizing for the listed routing points.

What This Hose Helps Address

• Cracked or leaking heater hose routing
• Collapsed or softened coolant hose sections
• Improper hose fit in tight engine compartments
• Replacement needs for molded heater-to-thermostat or pipe-to-reservoir routing
• Service issues caused by aged EPDM coolant hose material

Installation Notes

• Verify the vehicle year, make, model, and hose position before ordering.
• Match the molded shape and centerline length to the original hose routing.
• Confirm both connection points are 0.75 in. / 19 mm inside diameter.
• Inspect adjoining pipes, tees, and clamps for wear before installation.
• Use the listed fitment notes for vehicles that require cut-to-fit or under-dash routing.

Quality Assurance

Gates manufactures this molded heater hose as an OEM-style replacement part for factory routing requirements. The EPDM construction and molded design support consistent fitment across the listed applications, including Saturn Sky, Pontiac Solstice, and Chevrolet Cavalier models.