166 589 00 63 00 Double connection - WS18.00-P-0020B
FG 18/Set B
ENGINES 112, 113, 157, 166, 266, 272, 273, 275, 276, 278, 651, 668
ENGINES 155 in MODEL 199
Use:
Double connection M12x1.5/M12x1.5 mm for connecting testing unit 103 589 00 21 00 for oil pressure test.
M112/113 at end cover of timing case
M166 at bolted connection of chain tensioner