AISIN Engine Coolant Thermostat P/N:THT-011
AISIN THT-017 engine coolant thermostat housing assembly for the 2020-2022 Toyota Corolla 4-cylinder 1.8L and other vehicles opens and closes to hold engine coolant at its working temperature. It is OE manufactured for exact form, fit and function.
A temperature gauge that reads higher or lower than normal, or coolant residue around the housing, can mean the assembly is wearing out. Before you replace it, rule out other cooling system causes such as low coolant, a leaking hose or a faulty temperature sensor.
Two more cars on its application list are the 2010-2022 Toyota Prius 4-cylinder 1.8L and the 2017-2022 Toyota Prius Prime 4-cylinder 1.8L, and each takes one. If your car is not one of these, look it up in the "Vehicles it fits" section.
Fit and size
Build and materials
Interchange: 16031-37010 · WH-TE-82
34707 · 49348
This part cross-references / interchanges with the following part numbers:
Is the AISIN THT-017 thermostat housing assembly right for a 2020-2022 Toyota Corolla 4-cylinder 1.8L?
Yes. The AISIN THT-017 is listed for the 2020-2022 Toyota Corolla 4-cylinder 1.8L, and that car takes one assembly.
Does the AISIN THT-017 work on a 2017-2022 Toyota Prius Prime 4-cylinder 1.8L?
Yes. The 2017-2022 Toyota Prius Prime 4-cylinder 1.8L is on this assembly's application list and takes one.
Does this AISIN assembly include the thermostat and the housing together?
Yes. AISIN THT-017 is a thermostat and housing assembly, so the two come as one unit.
What can a worn thermostat housing assembly look like in daily driving?
A temperature gauge reading higher or lower than normal, or coolant residue around the housing, can point to a worn assembly. Have the cooling system looked at promptly if you notice either.
Does AISIN THT-017 interchange with Toyota number 16031-37010?
Yes. 16031-37010 is listed as an interchange number for AISIN THT-017, along with WH-TE-82, 34707 and 49348.
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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.