Quote:
Originally Posted by Father Of Giants
There's two 3.2L M112 Mercs at the yard right now I need an alternator for the SDL, are the mounting points on the OM603 and M112 alternator the same? I still have the old alternator so I can switch pulleys if need be.
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It depends on what year and what chassis it came from. All M112 or m113 alternators will bolt up to your 603 but the later ones (w203 w211 R230 etc) use a digitally controlled voltage regulator which needs to be swapped out for a conventional B+ D+ VR. Also if you're looking at anything over 90a you need to use a over running pulley when mounting it to the diesel. Otherwise it'll murder your tensioner and damper.
On my 603 I'm using a 150a alternator from an R230.