Failed valve stem seals are a common cause of a smoking tail pipe on startup. Replacement is a good idea if you're already doing any other work on the cylinder head.
- 99610511552
- Replaces: 996-105-115-52
- Part can be found as reference #8 in illustration.
- Fitment Notes: Cayenne. Panamera. Boxster. Intake. Exhaust. Macan. Caymans. 911. With gt2 rs.
This part also goes by the following cross reference.
Cross Reference Part Number: 99610511552, 996-105-115-52