Elring O-Ring for Porsche 997/991/Boxster/Cayman/Cayenne (2008–2013)

This Elring Dichtung O-Ring is a direct-fit replacement sealing component for Porsche 997, 991, Boxster, Cayman, and Cayenne applications from 2008–2013. It is used where a correctly sized elastomer seal is needed to maintain proper fluid or air sealing at the matched Porsche component interface.

Elring Dichtung has been manufacturing engine sealing components for over a century, supplying gaskets, seals, and sealing systems to major vehicle manufacturers including Porsche. Known for German engineering, OEM-level sealing performance, and precision manufacturing, Elring components are built to maintain proper sealing under heat, pressure, and long-term engine operation.

Technical Details

• Manufacturer part number: 301.540
• Type: O-Ring
• Application range: Porsche 997, 991, Boxster, Cayman, and Cayenne applications (2008–2013)
• Function: Replacement sealing ring for the matched engine or system connection

Fitment & Compatibility

Confirm the part number, year, model, and engine application before ordering, especially when multiple Porsche platforms share similar sealing hardware.

If you need help confirming whether this O-ring matches your car, send us your VIN and we will help verify it. PMB Performance has more than 20 years of experience helping Porsche owners sort out seal, gasket, and fitment questions.