Keep warm coolant flowing to your cabin's heater core with the Gates HVAC Heater Hose (P/N 19287). It installs as a direct-fit replacement for the 2002-2005 Buick Rendezvous, 2005 Chevrolet Venture, 2001-2005 Pontiac Aztek, and 2005 Pontiac Montana, cataloged for the engine-to-heater and heater-to-pipe-2 routing.
- Coolant routing: carries hot engine coolant between the engine and the heater core so the HVAC system can deliver cabin heat.
- Cataloged positions: serves the engine-to-heater and heater-to-pipe-2 sections of the heater circuit.
- Application fit: routes in place of the original hose on the listed vehicles.
A heater hose lives under constant heat, pressure, and coolant exposure, so over time it can harden, crack, swell, or seep at the ends. Signs it may need replacing include visible coolant weeping or drips, a sweet coolant smell, dropping coolant level, or weak cabin heat. If a failed or leaking hose is the cause, this replaces that section of the heater circuit; diagnose the source of any leak before ordering.
Interchange: 16321M · 88425 · E88425 · 10324108 · 10446210 · 64393 · 11287
Manufacturer part number 19287.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the Gates 19287 heater hose do?
It carries hot engine coolant between the engine and the heater core, supplying the coolant the HVAC system uses to warm the cabin.
Which vehicles does P/N 19287 fit?
It's cataloged for the 2002-2005 Buick Rendezvous, 2005 Chevrolet Venture, 2001-2005 Pontiac Aztek, and 2005 Pontiac Montana. Check the Buyer's Guide tab to confirm your vehicle.
What numbers does this hose interchange with?
It cross-references 16321M, 88425, E88425, 10324108, 10446210, 64393, and 11287.
What are signs my heater hose needs replacing?
Look for coolant weeping or drips at the hose, a sweet coolant smell, a dropping coolant level, or a hose that has hardened, cracked, or swelled.
Do I need to add coolant after installing it?
Yes. After replacing the hose, top off and bleed the cooling system with the correct coolant per the vehicle's service information.
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