Description
Product Overview
The iFJF 21200AA072 Thermostat & Gasket is a precision-engineered replacement for Subaru Legacy, Forester, Outback, and Impreza models. Regulates coolant flow to maintain optimal engine temperature. A failing thermostat leads to overheating, poor fuel economy, or insufficient cabin heat this replacement restores factory-spec regulation.
Key Features
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OEM-Equivalent: Calibrated to manufacturer-specified opening temperature for quick warm-up and stable operation.
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Complete Kit: Includes thermostat and matching gasket no need to source separately.
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Precision Fit: Tight tolerances matching OE 21200AA072 for guaranteed seal.
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Corrosion-Resistant: Durable materials resist coolant corrosion, preventing leaks.
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Easy Install: Direct bolt-in matches original housing and mounting points.
Compatibility
| Make |
Model |
Years |
| Subaru |
Legacy |
1998-2004 |
| Subaru |
Forester |
1998-2004 |
| Subaru |
Outback |
2000-2004 |
| Subaru |
Impreza |
1998-2004 |
Specifications
| Part Number |
21200AA072 |
| Type |
Wax-pellet thermostat with gasket |
| Material |
Stainless steel body |
| Includes |
1 Thermostat + 1 Gasket |
Symptoms of Failing Thermostat
- Engine overheating or temperature gauge abnormally high
- Engine running too cold after warm-up
- Poor fuel economy
- Insufficient cabin heat in winter
- Coolant leaks around housing
- Check Engine Light with cooling codes
Frequently Asked Questions
Q: How do I know if my thermostat needs replacement?
A: Signs include overheating, temperature gauge fluctuations, poor heater performance, or Check Engine Light.
Q: Does this fit a 2002 Outback H6 3.0L?
A: Compatible with 2000-2004 Outback models. Verify by cross-referencing part number 21200AA072.
Q: Should I replace the gasket too?
A: Yes! This kit includes both thermostat and gasket. Old gasket risks coolant leaks.
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