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br-549
April 28th, 2017, 01:04 AM
Greetings, Newbie here so be gentle! I have a 1949 Flxible bus with a 1966 GMC 401 V6. The starter motor engages approx one in a dozen attempts. Can anyone help me with a part number/ source? Also at some point i want to add power steering to this beast- anyone have pump and brackets and such for sale? Thanks in advance

TJ's GMC
April 28th, 2017, 05:54 AM
My starter had that issue in my 305 v6 and I had mine rebuilt locally. If you have someone local or in the area that can rebuild starters you'd be good to go. :thumbsup: Have you been able to check all the electrical connections to the starter though? Loose wire will cause those problems.

Edit: I don't think a new one is available, unless the 305 v6 starter in the same. If you can supply some pictures I could check with my local parts store. Last I check 3 different bolt patterns were available. Two of which may be the "Big truck style" if there's a difference.

sclor
April 28th, 2017, 03:40 PM
BR 549:
Rockauto.com lists a nine tooth drive, part no. SDN1A from Standard Motor Parts for a 351 V6 for $9.84. If you have the large truck flywheel on your 401, drive may be different.

Hope that helps.
Regards,
Steve

http://www.rockauto.com/en/catalog/gmc,1966,3000,5.7l+351cid+v6,1492996,electrical,st arter+drive,4172