Gates 19491 HVAC Heater Hose - Heater To Pipe-1

Gates Molded Heater Hose for OE-Style Cooling Service

The Gates 19491 molded heater hose is a factory-molded, OE-style coolant hose built for tight engine compartments. It is made from EPDM and is approved for coolant, water, air, and marine applications.

Compatible with 2007-2011 Chevrolet Impala heater to pipe-1 and 2007 Chevrolet Monte Carlo heater to pipe-1, this molded hose supports direct replacement service where a formed hose shape is required.

Key Features

• Gates Molded Heater Hose, part number 19491
• Factory-molded shape for smaller, tighter engine bays
• EPDM construction for coolant, water, and air service
• Approved for marine applications
• End I.D. sizes: 16 mm (.62 in) and 19 mm (.75 in)
• Centerline length: 467 mm (18.4 in)
• Molded design for OE-style routing

Product Details

Gates 19491 is a molded HVAC heater hose designed to follow the original hose path in applications that require a formed coolant line. The EPDM material helps the hose handle common underhood fluid and air transfer needs, while the molded profile supports fitment in compact engine compartments. For buyers searching for a Chevrolet Impala heater hose or Chevrolet Monte Carlo heater hose, this part number 19491 matches the listed heater-to-pipe location.

The Gates Molded Heater Hose line focuses on OE-style replacement hoses with factory-formed bends. That makes this hose a practical choice when the original routing must be maintained for proper clearance and connection alignment.

Common Problems This Hose Can Address

• Cracked or deteriorated heater hose material
• Coolant seepage at a worn molded hose section
• Improper hose routing in tight engine compartments
• Loss of heater circuit flow from a damaged hose
• Replacement needs for a formed heater-to-pipe connection

Installation Notes and Tips

Verify the hose routing, end diameters, and centerline length before installation. This molded hose is listed for heater-to-pipe-1 applications, so match the original path on the vehicle before final fitment. Inspect adjoining pipes, clamps, and sealing surfaces for wear or corrosion before installing Gates 19491.

Quality Assurance

Gates is known for OE-style hose construction, and this molded heater hose is built to factory-molded specifications for the listed applications. The part number 19491 is also cross-referenced by Dayco 87906 and BBB Industries 11491 for the same application.