Porsche CMS Side Cover - 930 76-88 CMS-930-SC 547052911S Porsche Center main shaft bearing

Porsche Center main shaft bearing for C2/C4 (1989-1994)

Porsche Upper steering box seal for worm gear

2008-2010) and Cayenne Turbo S (2006

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for Panamera 4 (2011-2014) and Panamera Base (2011-2014) models

Porsche CMS Side Cover - 930 76-88 CMS-930-SC 547052911S Porsche Center main shaft bearingPorsche The original Porsche 930 transmission differential side cover is made of cast aluminum, not to mention its pretty thin. Under load there can be a tremendous force applied to this cover, and it can break, sometimes resulting in a damaged ring and pinion or worse. Upgrading to a billet side plate will add significant strength and increased reliability to the differential section. Our design features include: A ring gear thrust bolt to reduce