O-ring for 727 dipstick tube?

67Dart273 said
The newer ones are a sleeve, I forget if they fit the old transmissions/ dipsticks.

[URL]https://www.ebay.com/itm/115737808814[/URL]

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At some point they changed the design. I know mine has just the o-ring. So to pay $15 for this kit would be silly, for me. It was a bad idea to just re-use the old o-ring.