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Old 06-09-2022, 10:02 AM #1
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A340F input spline count?
I need a torque converter, but they are hard to find in stock. I found one at CariD, specifically for my VIN, for a 26 spline. However, other sources are showing that the A340F for 3rd gen 4Runners should be 20 spline. The only applications that I find for the 26 spline are the 2.7 4Runners and some Tacomas.

Can anyone verify the spline count for the 3.4 4Runner F trans?
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Old 06-09-2022, 01:00 PM #2
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Quote:
Originally Posted by gotdurt View Post
I need a torque converter, but they are hard to find in stock. I found one at CariD, specifically for my VIN, for a 26 spline. However, other sources are showing that the A340F for 3rd gen 4Runners should be 20 spline. The only applications that I find for the 26 spline are the 2.7 4Runners and some Tacomas.

Can anyone verify the spline count for the 3.4 4Runner F trans?
Let me go look. I just so happen to have one sitting in my garage right now...

If someone else doesn't answer in the next hour or so, I will get out there and give it a look.
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Old 06-10-2022, 12:06 PM #3
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Quote:
Originally Posted by shadow247 View Post
Let me go look. I just so happen to have one sitting in my garage right now...

If someone else doesn't answer in the next hour or so, I will get out there and give it a look.
Did you get a chance to check it out?
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Old 06-23-2022, 03:40 PM #4
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Okay, finally figured out the input spline, it's 20 count, for anyone who is looking in the future.
Now I have a new problem; it seems there were at least 4 different variations for the pumps for the A340F:
  • R97500A; 3.375" stator shaft, .420" thick gears
  • R97500BA; 3.375" stator shaft, .420" thick gears (not sure what makes it different from "A")
  • R97500; 3" Stator shaft, .370" gears
  • U97500C; 3" Stator shaft, .370" gears (not sure what makes it different from R97500)
...so, it appears that the shaft length is what is important, since no other differences are listed despite the part# differences. If anyone has access to a pump, I'd appreciate a measurement...
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