Keep coolant flowing between the intake manifold and the heater with the Gates HVAC Heater Hose 19298. This heater hose serves the intake-manifold-to-heater run and drops in as a direct-fit replacement for the 2001-2006 Lexus LS430, carrying engine coolant along the path that feeds the heater core so warm air can reach the cabin.
- Position: the intake manifold-to-heater connection — it carries coolant on that specific run.
- Function: routes engine coolant between the intake manifold and the heater, part of the vehicle's coolant circuit.
- Direct fit: a direct-fit replacement for the listed application.
- Signs this hose may need replacing: visible cracks or dry-rot, coolant weeping or dripping at the hose, soft or swollen sections, or coolant loss — if a failed hose is the cause, this replaces it.
Inspect the clamps and connections during installation and top off the cooling system with the correct coolant afterward.
Interchange: 14389S · 11298 · 8724550350
Manufacturer part number 19298
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this heater hose do?
It carries engine coolant on the intake-manifold-to-heater run, part of the cooling and cabin-heating circuit. It handles coolant, not oil or air.
Which vehicle does the Gates 19298 fit?
It is a direct-fit replacement for the 2001-2006 Lexus LS430. Check the Buyer's Guide tab to confirm the fit for your specific vehicle.
What numbers does this hose interchange with?
It cross-references 14389S, 11298, and 8724550350. Its own manufacturer part number is 19298.
How do I know this hose needs replacing?
Signs include visible cracks, dry-rot, soft or swollen sections, and coolant weeping or dripping at the hose. Diagnose the source of any leak before replacing.
Should I do anything after installing it?
Inspect the clamps and connections, then refill and bleed the cooling system with the correct coolant and check for leaks.
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