kldob,
Do you have a 3 or 4 speed tranny?
The U joint assembly is everything in
THIS illustration.
The main parts of the U-Joint assembly are the front yoke, rear yoke and trunnion.
You can buy a U-Joint assembly or some of the items separately.
There are different yokes for 3 & 4 speed trannys.
48-54, 1/2 ton, 4 speed tran. front yoke part, # 3686323
40-54, 1/2 ton, 4 speed tran. rear yoke part, # 3681934
48-54, 1/2 ton, 3 speed tran. front yoke, part # 591644
40-54, 1/2 ton, 3 speed tran. rear yoke, part # 3665768
48-54 1/2 ton, 3 speed tran. U-Joint assembly, # 591642 -
Chevs of the 40's 48-54 1/2 ton, 4 speed tran. U-Joint assembly, # 3689266
40-54, 1/2 ton, 3 & 4 speed tran. Trunnion part, # 609944
Includes - 1 trunnion, 4 bearings, 2 snap rings, 4 hex bolts, 2 lock plates.
Call
http://nwtparts.com/ Ask for John.
They should have everything you need.
Let me know if you find the parts.
If you cannot find, I will look at other places.