Gates 19481 HVAC Heater Hose - Pipe-2 To Heater

Gates Molded Heater Hose for Tight Engine Bays

The Gates Molded Heater Hose, part number 19481, is a factory-molded coolant hose built for smaller, tighter engine compartments. It uses EPDM construction and an OEM-style shape to support coolant, water, and air routing in the correct formed path.

Compatible With 2005-2008 Buick Allure and 2005-2008 Buick LaCrosse in the Pipe-2 To Heater position, this molded hose is a direct-fit service part for the listed applications. The Gates 19481 is also approved for marine applications.

Key Features

• Factory-molded, OEM-style heater hose profile
• EPDM material for coolant, water, and air service
• Small inside diameter: 0.62 in. (16 mm) at both ends
• Centerline length: 27.1 in. (688 mm)
• Formed to route through compact engine compartments
• Gates Molded Heater Hose line for formed replacement routing

Product Details

Gates 19481 is a molded HVAC heater hose designed to match the shape needed for the listed Buick applications. Its formed construction helps maintain the proper hose path between the pipe and heater connection, which is important in modern engine bays where straight hose sections do not follow the original routing. For buyers searching for a 2005-2008 Buick Allure heater hose or a 2005-2008 Buick LaCrosse molded coolant hose, this part number provides the specified fitment and dimensions.

The Gates Molded Heater Hose product line focuses on OE-style formed hoses for replacement use where routing, clearance, and connection size matter. Part number 19481 is built around the listed 0.62-inch end diameters and 27.1-inch centerline length to match the application requirements.

This part cross-references 11481 and 16437M for the same application.

Common Problems This Hose Can Address

• Cracked or hardened heater hose material
• Coolant seepage at a formed hose section
• Poor hose routing in a tight engine compartment
• Incorrect fit from a straight universal hose
• Replacement needs for the Pipe-2 To Heater connection

Installation Notes and Quality Assurance

Verify end diameter, centerline length, and routing before installation to confirm the hose matches the original path. Check adjacent coolant system components for wear, contamination, or damage before placing the vehicle back in service. Gates manufactures this molded hose as an OE-style replacement part for the listed Buick Allure and Buick LaCrosse applications.

Part number 19481 is a molded EPDM hose from Gates, built for the specified HVAC heater hose application and formed to support proper fitment in compact engine layouts.