NOTE:
If the spacer ring/seal ring is grooved, it must be replaced.
Harmonic/crank spacer ring/seal ring
MB# 6150310051
http://www.pelicanparts.com/cgi-bin/ksearch/pel_search.cgi?SUPERCAT_FLAG=Y&make=MBZ&please_wait=N&forumid=&threadid=&command=DWsearch&descriptio n=6150310051&I1.x=14&I1.y=7
A special tool MUST be used to seat the front main seal or seal destruction will result...
Replacing Front Crankshaft Seal with "Special Tool"
on the 1982 300TD Wagon (OM617)
http://www.peachparts.com/Wikka/OM617CrankshaftSeal
Engine Application List:
M115. 900, 920, 921, 922, 923, 924, 926, 927, 928, 929, 932, 933, 934, 935, 938, 939, 951, 952, 954, 955, 958, 970, 971, 972, 973, 974
OM615. 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 930, 932, 936, 937, 938, 939, 940, 941, 942, 943, 944, 960, 961, 962, 963, 964, 965, 967, 968, 969, 970
OM616. 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 930, 931, 932, 933, 934, 936, 937, 938, 939, 940, 943, 944, 960, 961, 962, 963
OM617. 910, 912, 913, 919, 931, 932, 933, 950, 951, 952
NOTE – All prices on special order parts subject to change without notice.