Alternator Belt & Pulleys - Revised
83porsche03Subject Alternator Belt
Part Identifier N/A
Applies To 928S
1984
Group
13
Key Points Reinforced belt now used
C
Number
83-05
December 23, 1983
To ensure correct belt tension during suggested maintenance intervals, a polyrib alternator belt is now used.
The belt profile has been changed from four ribs to five.
Belt pulleys on the crankshaft and alternator were changed also.
Production change occurred July 5, 1983, engine numbers: M28/19-81 E 00063 M28/20-81 E 05063
New belt P/N 999 192 259 50 Crankshaft pulley P/N 928 102 139 05 Alternator pulley P/N 928 603 145 03