Centre radiator for water coolant fluid.

Centre coolant radiator for selected Porsche 986 Boxster and 996 models.

Also known as a water radiator, coolant radiator or coolant fluid cooler, this centre radiator plays an important role in the engine cooling system. It helps dissipate heat from the engine coolant, supporting stable operating temperatures, consistent performance and long-term engine reliability.

Suitable for the following models:

Porsche 986 Boxster 3.2L 2000–2004
Porsche 996 Carrera 2 / Carrera 4 / C4S / GT3 1998–2005

This product supersedes the following Porsche part numbers:

99610603750
99610603751
99610603752

Diagram reference number: 1

The radiator works by allowing hot coolant from the engine to pass through fine tubes and cooling fins. Airflow through the radiator core then removes heat from the coolant before it returns to the engine.

A properly functioning radiator helps:

• Maintain correct engine operating temperature
• Reduce the risk of overheating
• Support reliable performance during everyday and high-load driving
• Help protect engine components from excessive heat
• Maintain cooling system efficiency