300SD
W116.120

Has six grade 8 Allen screws with spring washers, mounting the pulley on the harmonic balancer.

The original early factory Allen screws where at start of production grade 10, due to broken screws MB issued an urgent technical service bulletin changing to grade 8 fasteners.

Screw, quantity 6
MB# 000912008203
http://www.pelicanparts.com/cgi-bin/ksearch/pel_search.cgi?SUPERCAT_FLAG=Y&make=MBZ&please_wait=N&forumid=&threadid=&command=DWsearch&description=000912008203&x=12&y=11

Spring Washer, quantity 6
MB# 000137008204
http://www.pelicanparts.com/cgi-bin/ksearch/pel_search.cgi?SUPERCAT_FLAG=&make=&please_wait=N&forumid=&threadid=&command=DWsearch&description=000137008204&I1.x=15&I1.y=9


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__________________
ASE Master Mechanic

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Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
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Technical Quality Auditor.
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1985 300SD
1983 300D

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