Rein Automotive OE Quality expansion tank caps are designed to be direct replacements for OE caps. Rein caps are designed to match or exceed the OE materials used and are produced to the highest standards to ensure long service life. Rein Automotive OE quality expansion tank caps keep the coolant system at the proper pressure just like the OE cap.
Additional Fitment Information:
2003 - Porsche Boxster
6 Cyl 3.2L
1 Products for Engine Coolant Reservoir Cap.