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Factory Replacement Oil Separator for 3.4L engines. One of the common parts to fail, also known as "AOS" (Air/Oil Separator). If you see exhaust smoke coming out of your car, this might be the issue.

Note: Check vehicle applications tab for fitment details. Also use hose clamp part # 999-512-630-00.

Reference Part Number: 996-107-023-55
Supersedes Part Number(s): 996-107-023-54
Manufacturer: Genuine Porsche

Vehicle Fitment

Model Engine Years Fuel System Option Qty Required Comments
996 Carrera 3.4 1999-2001 FI
1
996 Carrera 4 3.4 1999-2001 FI
1