Porsche Valve Stem Oil Seal - Cayenne 11-23 955-105-675-20 MX190016A Located in high pressure fuel

Located in high pressure fuel rail

for 928 (1978-1982) models

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The channel diameter is 38 mm to the throttle body and 46 mm to the intake funnel

Please note the C2/C4 models required four

Porsche Valve Stem Oil Seal - Cayenne 11-23 955-105-675-20 MX190016A Located in high pressure fuelPorsche Engine Valve Stem Oil Seal For Porsche Cayenne (2011 2023) Models. Compatibility: This engine valve stem oil seal is designed to fit Porsche Cayenne models manufactured between 2011 and 2023. Function: Valve stem oil seals prevent excessive engine oil from entering the combustion chamber through the valve guides, reducing oil consumption and smoke.