Marking On Bearing Cover

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Fig 1: Identifying Camshaft Bearing Cover Markings (Cylinders 1 To 3)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

All markings can be read from the exhaust side/main diagram applies symmetrically for both cylinder heads

Matching number for cylinder head/intake camshaft housing, cylinder 1 (E1)
Matching number for cylinder head/intake camshaft housing, cylinder 2 (E2)
Matching number for cylinder head/intake camshaft housing, cylinder 3 (E3)
Matching number for cylinder head/outlet camshaft housing, cylinder 1 (A1)
Matching number for cylinder head/outlet camshaft housing, cylinder 2 (A2)
Matching number for cylinder head/outlet camshaft housing, cylinder 3 (A3)

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