Gates HVAC Heater Hose P/N:12256
Keep cabin heat and coolant flowing with the Gates heater hose, part number 51570 — a Premium Modular Coolant Hose engineered to fit the 2010-2018 Lexus GX460. Gates leads the modular assembly coolant hose segment, building each hose to specific applications with the OEM-exact integrated components the original coolant routing relies on, such as quick connects, branch connectors/tees and sensors. This one is cataloged for the pipe-to-pipe (outlet) position.
Gates recommends installing new clamps each time a coolant hose is replaced. Do not use this hose for fuel or oil transfer applications.
Interchange: 20828S · F11237 · 8720960D81
This part cross-references / interchanges with the following part numbers:
What vehicle does the Gates 51570 heater hose fit?
It's engineered to fit the 2010-2018 Lexus GX460. Check the Buyer's Guide tab to confirm the exact application for your vehicle.
What is the Gates hvac heater hose 51570 and what does it do?
It's a modular coolant hose that carries engine coolant to and from the heater core so the HVAC system can warm the cabin. It's cataloged for the pipe-to-pipe (outlet) position.
What is this hose made of?
It uses an EPDM tube, synthetic fiber knit reinforcement, and a heat-, ozone- and chemical coolant-resistant EPDM cover.
Should I replace the clamps when installing it?
Yes — Gates recommends installing new clamps each time a coolant hose is replaced.
Can I use it for fuel or oil lines?
No. Gates cautions against using this hose for fuel or oil transfer applications; it's built for coolant only.
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.