help understanding 12 tooth vs 13 tooth starters for 01 7.3

[Eco Taxi]

Hello,
I'm looking at replacing the starter on my truck - its cranking slow
(side note im also going to do this when im replacing my glow plugs since i have 2 bad glow plugs)
I see plenty of high torque starters stating they will work with my truck ..... which is a 2001 ford f350 7.3
these high torque starters are 4.0kw and all 13 teeth design
from my understanding the stock starter is a 12 tooth design
has anyone replaced their 12 tooth starter with a 13 tooth high torque starter?
is the extra tooth there for the extra cranking to get that 4.0kw?

i know from talking to other people that the high quality starters from say mean green which cost $350-400 are the best quality ... which you get what you pay for but im on a super budget right now (jsut graduated college and have a bunch of bills) and i found some "value" high torque starters that are the 13 teeth design that cost $150-180

let me know thoughts and suggestions
Thanks

[Schnot]

I get the cheapies from the local parts house and havnt had a problem yet.


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[td04ptgt]

Same here. Bought the cheap one from autozone a year ago for 130? I believe. No problems so far and cranks like a beast.

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