Denny Graham,

I'm going to go out on a limb here! If you have a competent auto supply house, you should be set.

U-joints can be identified by cross length, cap diameter and type of cap retention..outside clip, inside clip. If you have a parts store that deals in medium duty trucks, or even a good NAPA store around, you can take your old joint in and they should be able to match it up by its dimensions.

There are a bazillion u-joints out there, and one will fit your truck. Don't go on application, measure and find a match.

Stuart