Keep hot coolant flowing to the heater core with the Gates HVAC Heater Hose 12274, a direct-fit replacement for the 2017-2019 Cadillac XT5, the 2017-2018 GMC Acadia, and the 2017 GMC Acadia Limited. It's cataloged for the heater inlet position, carrying engine coolant from the cooling system into the heater core so your cabin heat and defrost work as intended.
- Heater inlet hose: routes coolant to the heater core on the listed applications.
- Direct-fit replacement: a straightforward swap for the aged original on the listed applications.
- Replacement for aged hose: swaps out a cracked, swollen, or leaking original that can seep coolant or cut off cabin heat.
Signs this hose may need replacing include coolant seepage or drips near the hose, a soft or bulging feel, or weak cabin heat. Diagnose the source of any coolant loss before replacing, since other cooling-system parts can cause the same symptoms.
Interchange: 16746M · F10556 · 23253750 · 13274
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the Gates 12274 heater hose fit?
It's a direct-fit replacement for the 2017-2019 Cadillac XT5, the 2017-2018 GMC Acadia, and the 2017 GMC Acadia Limited. Check the Buyer's Guide tab to confirm your vehicle.
What position is this hose for?
It's cataloged for the heater inlet position, carrying engine coolant from the cooling system into the heater core.
What does a heater hose do?
It carries engine coolant between the cooling system and the heater core, supplying the heat used for cabin warmth and defrost.
How do I know if my heater hose needs replacing?
Signs include coolant seepage or drips near the hose, a soft or bulging feel, or weak cabin heat. Diagnose the cause of any coolant loss before replacing.
What interchange numbers does the 12274 replace?
It cross-references 16746M, F10556, 23253750, and 13274. Its own manufacturer part number is 12274.
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