21210AA191 Subaru THERMO & GSKT AY, Price: 18.69$, Weight: 0.244kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
21210AA191 |
THERMO & GSKT AY |
0 |
0.244 |
7-10 |
18.69$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
THERMO & GSKT AY
|
0 |
0.281
|
-
|
17.10$
|
Not Available |
Substitutions
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
THERMO & GSKT AY
|
0 |
1.15
|
-
|
17.10$
|
Not Available |
Engine Thermostat & Seal Assembly for Subaru Cooling System 🚗❄️
Keep your Subaru’s engine in its sweet spot. This thermostat with a precision sealing gasket restores fast warm‑up, stable operating temperature, and leak‑free cooling. Expect smoother idle, better fuel economy, strong cabin heat, and longer oil life. 🔧
Why you need it
Old thermostats stick, open late, or never close fully. Gaskets harden and seep. Replacing both together ensures proper coolant control and a tight joint between housing and block, preventing costly overheating and annoying drips.
How it works
Inside is a wax‑charged element. When cold, it stays closed to speed warm‑up. As coolant heats, the valve opens progressively, sending flow through the radiator to shed heat. The gasket provides a uniform compression seal, resisting pressure, vibration, and thermal cycling. ♨️
When it fails ⚠️
Stuck closed: rapid overheating, boiling coolant, possible head gasket damage. Stuck open: cold running, poor MPG, weak heater, carbon buildup. Leaky seal: coolant loss, sweet smell, crusty residue, air pockets causing hot spots. Always refill with fresh coolant, torque evenly, and bleed air after install.
Compatibility
- Legacy
- Impreza
- Xv
- Forester
- Brz
- Exiga