Crankshaft main bearings for M129 engine - Mercedes-Benz Forum

 
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post #1 of 5 (permalink) Old 11-02-2013, 09:43 PM Thread Starter
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Crankshaft main bearings for M129 engine

Can anyone tell me if standard size main bearings in engine M129 and M130 are the same. The first one has part number 1080300040 and the second one 1300300040. Both have the same size 60 mm. I need a set of standard size 60 mm main bearings for my 68 Mercedes 250SE with M129 engine. I have a hard time to find. Thanks.

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post #2 of 5 (permalink) Old 11-03-2013, 01:05 AM
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Arrow

I believe that bearings are different.

Ciao!

Mercedes-Benz. Ihr guter Stern auf allen Strassen.
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post #3 of 5 (permalink) Old 11-03-2013, 09:28 AM Thread Starter
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Thanks for your feedback. Well, the only difference between both engines is the bore size. one is 2.5L and the other 2.8L. Mercedes is very conservative and they wouldn't change the crankshaft size because of the slightly bigger engine. So, I think that both bearings have the same diamensions. Just need more feedback from others who already did it.

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post #4 of 5 (permalink) Old 11-03-2013, 03:05 PM
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The 1080300040 and 1300300040 isn't p/n for single parts, it is a p/n for set of crankshaft bearing shells.
Thus quantity of the bearings can vary, but bearings can be identical.

Also M129 and M130 have different camshafts.

I hope that info will help.

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post #5 of 5 (permalink) Old 11-03-2013, 06:48 PM Thread Starter
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Thank you guys for the information, it was very helpful.


Last edited by zdzich; 11-09-2013 at 09:12 PM.
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