Ok, the first set arrived, these 2 delivered by Fedex from Autozone... I thought I had a FEBI to compare it to, but nope, just remembered that when I changed the center/carrier bearing, Ive replaced the flex discs too.
Luckily, this detailed post shows fine pictures form just about every angle of factory MB parts
Rear Flex disc? | Transmission and Driveline
And here is
Dorman 935-502...
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This is where the MB Factory part would be included in raided letters
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And this is where the factory MB Star symbol would be in the raise letters
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So from what I can tell, and correct me if Im wrong, these are the very same factory SGF pieces supplied to MB and by MB to us (less the ground off part number/lettering/symbols)... Granted, NO hardware included, but original parts and a fraction of the cost.
Amazons order comes in tomorrow, will report.
Regards,
D