S 320 SWB (140.032) L6-3.2L (104.994) (1994)
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3rd Version
Modified central bolt.
Material strength modified from 10.9 to 8.8.
Conical washer replaces the 4 dished washers. Modified tightening torque.
CAUTION: The different parts of the 3 versions must not be interchanged.
4th Version
Belt pulley/vibration damper reduced in weight.
Hub integrated in vii ration damper.
