Gates HVAC Heater Hose P/N:19523
Keep coolant moving to and from the heater core with the Gates heater hose 51393, a premium modular coolant hose built to fit specific applications as a direct-fit replacement for the 2015-2020 Chevrolet Tahoe and Suburban, the 2015-2020 GMC Yukon and Yukon XL, and the 2015-2020 Cadillac Escalade and Escalade ESV. It is cataloged for the heater-outlet position — see the Buyer's Guide tab for engine-level fitment.
For coolant service only — do not use for fuel or oil transfer. Gates recommends installing new clamps each time a coolant hose is replaced.
Interchange: 626-696
626696 · 27353X · F10362 · 23492579
This part cross-references / interchanges with the following part numbers:
What vehicles does the Gates 51393 heater hose fit?
It is a direct-fit replacement for the 2015-2020 Chevrolet Tahoe and Suburban, 2015-2020 GMC Yukon and Yukon XL, and 2015-2020 Cadillac Escalade and Escalade ESV. See the Buyer's Guide tab for engine-level fitment.
What is this Gates hvac heater hose made of?
It uses an EPDM tube with synthetic fiber knit reinforcement and a heat-, ozone- and chemical-coolant-resistant EPDM cover, and includes OE-exact integrated components like quick connects and branch tees.
Where is this hose located on the vehicle?
It is cataloged for the heater-outlet position, carrying engine coolant to and from the heater core. Refer to the Buyer's Guide tab and your service information for the exact routing on your vehicle.
What temperature and SAE ratings does it meet?
It is rated from -40°F to +257°F (-40°C to +125°C), and meets SAE 20R3 EC Class D1 under 25 mm (1 in.) ID and SAE 20R4 EC Class D1 for 25 mm (1 in.) ID and over.
Do I need new clamps when installing it?
Gates recommends installing new clamps each time a coolant hose is replaced. This hose is for coolant service only and must not be used for fuel or oil transfer.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.