1998-2004 Porsche Boxster Coolant Reservoir / Tank Cap 99610644700

Replace your worn or damaged coolant reservoir cap with this authentic OEM part, ensuring optimal engine performance and preventing coolant leaks. Compatible with a wide range of Porsche vehicles including the 2005-2016 Boxster (all variants), Cayman (all variants), and 2013-2016 911 models, this coolant tank cap is designed to seamlessly fit into the outer cooling system. The OEM part number is 99610644700. Other known names include closure cap and radiator cap. This factory-original part resolves common issues like coolant loss due to improper sealing and helps maintain the necessary pressure in the coolant system, contributing to overall engine efficiency. --- This OEM coolant reservoir cap offers a direct replacement for your Porsche models, including 2005-2016 Boxster, Cayman, and select 911 variants. Designed under stringent manufacturing standards, it sports OEM part number 99610644700 and fulfills critical roles in maintaining coolant system pressure, preventing leakage, and ensuring efficient engine cooling. The cap effectively resolves issues linked to worn or compromised seals. Alternative terminologies include closure cap and radiator cap. Compatible engines span across various H6 configurations, marking this cap a must-have for maintenance and reliability in your performance vehicle. --- For your Porsche, this genuine OEM coolant reservoir cap (part number 99610644700) is crafted for precise compatibility with models including the Boxster and Cayman from 2005-2016 and select 911s. This crucial component plays a vital role in the cooling system, preventing coolant loss from leaks and ensuring an efficient engine operation. Its interchangeability with alternative names like closure cap and radiator cap makes it versatile among various builds. Replace your damaged part to eliminate common issues related to overheating and coolant pressure loss.