Gates HVAC Heater Hose P/N:19481

What does the Gates 19481 heater hose do?

It routes engine coolant through the heater circuit so the heater core can draw the heat used to warm the cabin. It is cataloged for the PIPE-2 TO HEATER position.

Which vehicles does this hose fit?

It is a direct-fit replacement for the 2005-2008 Buick Allure and the 2005-2008 Buick LaCrosse. Check the Buyer's Guide tab to confirm the fit for your vehicle.

Where does this hose install?

It is cataloged for the PIPE-2 TO HEATER position, connecting the coolant pipe to the heater in the heater-hose circuit.

What are signs my heater hose needs replacing?

Coolant seepage or drips at the connections, damp residue, a sweet coolant smell, or a hose that has cracked, hardened, or swollen. Diagnose the source of a leak before replacing.

What part numbers does the 19481 interchange with?

It cross-references the following numbers: 16437M, F10850, 15835969, and 11481. The manufacturer part number is Gates 19481.