I have no idea, but I like hearing myself type....
The Carquest I go to is real good about helping me with wild goose chases for oddball seals and bearings, etc.
If you have a dial caliper, you can take all the measurements from it, make a drawing, and then try to find a parts counter clerk with a triple digit IQ.
or, you can wait here for 10-15 minutes and somebody will know.