dana41 rear pinion seal

[kendall]

hello fellas, I have a dana 41 that needs a new pinion seal, mac's has one but it doesn't look right. here is a picture of my seal and of mac's. what do you think? should I order it?




https://www.fordbarn.com/attachments/281309/

https://www.fordbarn.com/attachments/281310/

 

[19Fordy]

You didn't say what type of vehicle but check out the pinion seals here.
https://www.google.com/search?q=dan...rome..69i57.6385j0j4&sourceid=chrome&ie=UTF-8

 

[kendall]

its a 1949 F1 truck

 

[19Fordy]

Looks like it's the same one used in 49-51 Mercury.
http://cgfordparts.com/ufolder/cgca...e=49&searchtextdesc=pinion+seal&searchnumber=

How about this.
http://www.oreillyauto.com/site/c/s...+seal&year=1949&make=Ford&model=F1&vi=1486988

 

[kendall]

here is some pics with the seal cleaned up

somhttps://www.fordbarn.com/attachments/281350/

https://www.fordbarn.com/attachments/281352/

https://www.fordbarn.com/attachments/281353/

 

[kendall]

the one from o'reilly looks close.

 

[kendall]

let me get some measurements, be right back.

 

[kendall]

looks like about 3.12

https://www.fordbarn.com/attachments/281376/ O.D

 

[19Fordy]

I would say the correct seal is #5778V from O'Reilly.
Here's some complete measurements. Buy this caliper and you will be "good to go".
http://www.ebay.com/itm/Digital-Ele...072846?hash=item5b28d5044e:g:ZpgAAOSwyLlXoApY
http://www.oreillyauto.com/site/c/d...ch_pinion+seal_1486988_-1&keyword=pinion+seal

 

[rotorwrench]

There were 2 different types of seals used in the Dana 41 & 44. You can convert to the later seal but you have to have the right combination of parts on the pinion input. I still see the NOS Chicago Rawhide seals now and then on flea-pay. These were leather so they can be rejuvenated if they are in fact 60 year old parts.

 

[kendall]

thanks guys, I have a caliber but I don't like the idea of not having the replacement seal on hand before I destroy the old one getting it out......so I'm just getting my ducks in a row. from what I can tell the o'reilly seal looks pretty close....I will use the caliber and eyeball some diameters with the old seal in place to get a better idea. I marked everything with a punch so I will try to get the preload on the bearings back to where it was...I hope