The thermostat insert is also known as the water thermostat and it regulates the flow of coolant through the engine, which is essential for maintaining the engine at a safe operating temperature.
Porsche Part
Porsche Boxster THERMOSTAT INSERT / WATER THERMOSTAT
View this part in the diagram below ( #6 )
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 - Genuine Porsche Part
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Part number 99610612554 was found in the following part catalogues:
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PART DESCRIPTION
Genuine PORSCHE PART, THERMOSTAT INSERT / WATER THERMOSTAT, PART NUMBER: 99610612554
Part number 99610612554 features on some of the part catalogue diagrams of these model families: Porsche Boxster
Currently available as: Genuine Porsche Part New (to order)
 Eurospares
 Eurospares