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Old 12-14-2003, 01:43 PM
MB fan 2 MB fan 2 is offline
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Join Date: Dec 2003
Posts: 37
Question for Techs: M103 rear main seal

I am going to replace the rear main seal in my M103 engine.
The seal it has now is not leaking, but I am thinking of replacing it as a preventive maintenance.

I was looking at the online parts catalog of Fast Lane and they have two seals. The standard and the service size. Which one should I get?

Thanks in advance.
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