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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Porsche Coolant Expansion Tank Cap, part number 982121155C. This cap serves to seal the coolant expansion tank, maintaining the necessary pressure within the cooling system to prevent boiling and ensure efficient heat transfer. It is located at the top of the expansion tank. Manufactured to precise specifications for a secure seal. Genuine OEM caps are designed with the correct pressure relief valve for safety and system integrity.

Technical details

Category
Engine Cooling
Country of origin
Austria
Customs (HS) code
87089199
Manufacturer
Porsche
Product Type
Genuine new auto parts
Shipping weight
0.1 kg

Why buy from WW Spares?

  • ✓ Genuine OEM inventory sourced directly from factory networks
  • ✓ Fitment support from workshop-seasoned parts specialists
  • ✓ Global logistics with customs-ready documentation

Need help confirming compatibility? Talk to a specialist

Parts diagram & fitment

2 vehicles

End Cap — locate 982121155C Porsche Coolant Expansion Tank Cap | Genuine OEM in the official exploded view and explore the surrounding assembly.

This part is marked discontinued by the manufacturer (since 2018-11-14); contact us to check current availability.

Parts in this assembly41
Compatible / alternative parts(3)
Vehicle fitment table2

Europe (2)

VehicleYearsPos.Qty
Boxster2016-21
Cayman2016-21

Diagrams & fitment data powered by oemdiagrams.com

982121155C Porsche Coolant Expansion Tank Cap | Genuine OEM is fitted on: Boxster 2016-; Cayman 2016-.