thanks bobb
no hurry im starting a summer run so il be in n out all summer long {i hope}
i have took it apart there rubber comprestion bushings seals.
there was no tag i could find anywhere.
here are some pics of the pump all sides and numbers i could find
body casting number is 17650-1
i guess its the date 4 63
ser# 11145?? as best i can tell
http://s427.photobucket.com/albums/pp359/oldwestrnwear/hydralic%20pump/