[guyina4x4]

Horizontal shaft?
I've had pretty good luck with this kit.
The key to them is getting all the o rings replaced and of coarse getting them good and cleaned out. http://https://www.ebay.com/itm/183843908602?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=TNuxJHmpSny&sssrc=2349624&ssuid=oiKntViMRR K&var=&widget_ver=artemis&media=COPY

If all else fails, i have used a few of these.
http://https://www.ebay.com/itm/303639251987?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=1qzen927QGm&sssrc=2349624&ssuid=oiKntViMRR K&var=&widget_ver=artemis&media=COPY