Gates HVAC Heater Hose P/N:12355
Route coolant between the water outlet and the thermostat housing with the Gates HVAC Heater Hose 51977 — a GATES heater hose built as a modular coolant hose assembly for specific applications. It fits the 2013-2020 Ford Fusion, 2013-2018 Ford C-MAX, 2013-2017 and 2019-2020 Lincoln MKZ, plus the 2020 Ford Police Responder Hybrid and 2020 Ford SSV Plug-In Hybrid; see the Buyer's Guide tab for engine-level fitment.
It 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, with a temperature range of -40°F to +257°F (-40°C to +125°C). Gates recommends installing new clamps whenever a coolant hose is replaced. Do not use this hose for fuel or oil transfer applications.
Interchange: DS7Z 18472 C
DS7Z18472C · F11360 · R16603
This part cross-references / interchanges with the following part numbers:
Is the Gates 51977 an hvac heater hose?
Yes — it's Gates' modular coolant hose assembly that carries coolant from the water outlet to the thermostat housing on the listed vehicles.
Which vehicles does the Gates 51977 fit?
It fits the 2013-2020 Ford Fusion, 2013-2018 Ford C-MAX, 2013-2017 and 2019-2020 Lincoln MKZ, plus the 2020 Ford Police Responder Hybrid and 2020 Ford SSV Plug-In Hybrid.
What is the hose made of?
An EPDM tube with synthetic fiber knit reinforcement and a heat-, ozone- and chemical-coolant-resistant EPDM cover.
Does it come with clamps?
Gates recommends installing new clamps each time a coolant hose is replaced; confirm the correct clamps for your application before installing.
Can I use this hose for fuel or oil?
No. Gates cautions against using this coolant hose for fuel or oil transfer applications.
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.