O.K., Rock Auto has the Bosch rebuild, it's NOT CHEAP but, it will be the best one .

The ACDELCO one is a mystery rebuild of an original BOSCH starter, nothing like a BOSCH branded rebuilt one .

Now that you know the Bosch rebuilt part number is SR70X you could have searched KIDJI or other local places to find the best price on that specific unit .

The life span of any starter depends more on how quickly your engine starts than anything else ~ in Canada (BRRR) it means cycling the glow plugs twice and following the factory cold start drill to the letter every time the temps are low .

It also means every September should be your valve adjustment time and change the filters and add Diesel fuel additive....

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-Nate
1982 240D 408,XXX miles
Ignorance is the mother of suspicion and fear is the father

I did then what I knew how to do ~ now that I know better I do better

Just to avoid any confusion for others who may read this - The starter for my 85 300D is actually an SR67X. This is the one vendors list for the 83/84 models.

I found this out by reading the Bosch number off the existing starter (00001362600). The ACDelco I am getting has number 3361307 which is apparently what I need. And the new MB number for the SR67X is 0031510701-80 (-80 means rebuilt.)

Re starting in Canada in winter. I used this car as my daily driver in every kind of weather. Over 30 years I learned a thing or two So long as battery is good, my car with rebuilt engine always starts easily. But only when the starter works I do have one bad glow plug and have a new set on order.

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Graham
85 300D,72 350SL, 98 E320, Outback 2.5