OEM thermostat for Opel Astra G and Zafira A.
Opening temperature: 92°C
Part No: 1338 331
Maintain stable engine temperature and prevent overheating with the
COWIN OEM-Standard Thermostat. This unit (Ref: 1338 331)
opens at 92°C and is engineered for the full Opel Astra G lineup
and Zafira A MPV, ensuring reliable cooling system performance across hatchback, estate, saloon, and MPV variants.
| Brand | Model | Body Style | Chassis / Model Code |
|---|---|---|---|
| Opel | Astra G Hatchback | Hatchback | T98 |
| Opel | Astra G Saloon | Saloon | T98 |
| Opel | Astra G Estate | Estate | T98 |
| Opel | Zafira A | MPV / Minivan | T98 |
Opel T98 platform engines benefit from a complete cooling system flush during thermostat replacement.
Always replace the housing gasket and inspect the coolant expansion tank and hoses for age-related wear.
COWIN (Gaoyun) specializes in European compact and family vehicle cooling systems.
Every thermostat is factory-tested for accurate opening temperature and long-term durability.
Custom product FAQs
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Reference Part No: 642 200 04 15
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