So I was just informed that I had been driving around without the lock nut that secures my rear axle/bearings. This is an extremely long story with a mechanic I no longer have a relationship with. I believe this is a 12 star nut. I have a temporary nut on there right now. Does anyone know the part number for this nut?
Any help is appreciated. Thanks,

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Ed
-1984 Mercedes 190D 2.2 5-speed gray market(bought@30,000 miles) (Sold back to original owner@170,000 miles)
-1999 Mercedes E300DT (245,000 miles)
-1999 Mercedes S500 Grand Edition (80,000 miles)