How to service and repair a thermostat on Toyota Yaris?

To fix the thermostat, empty the coolant, take out the water inlet and thermostat and test the thermostat in heated water with an opening of the valve (80-84°C). Valve lift must be 8.5 mm at 95°C, and completely closed at below 77°C. Re-install, new gasket, tighten and pour in coolant.

OEM Toyota Yaris Thermostat

Engine Coolant Thermostat

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2 Thermostats found

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Toyota Yaris Thermostat
Part Number: 90916-03093
$22.57 MSRP: $31.42
You Save: $8.85 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Coolant
- Manufacturer Note: *WAX 82-95
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2007-2018 Toyota Yaris | Base, L, LE, S, SE | 4 Cyl 1.5 L GAS
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Toyota Yaris Thermostat
Part Number: 90118-WB459
$20.92 MSRP: $29.12
You Save: $8.20 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2019-2020 Toyota Yaris | L, LE, XLE | 4 Cyl 1.5 L GAS

Toyota Yaris Thermostat

If you're thinking about purchasing OEM parts for your Toyota Yaris, our website is your one-stop destination. We stock an extensive selection of genuine Toyota Yaris Thermostat at pocket-friendly prices. Plus, we guarantee a swift delivery and a hassle-free return policy for your convenience.

Toyota Yaris Thermostat Parts and Q&A

Thermostat
90916-03093
Q: How to service and repair a thermostat on Toyota Yaris?
A: To fix the thermostat, empty the coolant, take out the water inlet and thermostat and test the thermostat in heated water with an opening of the valve (80-84°C). Valve lift must be 8.5 mm at 95°C, and completely closed at below 77°C. Re-install, new gasket, tighten and pour in coolant.

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