Faults:

Head gasket at 106k.

Slave cylinder.

Leaf spring bushings (rear only).

Frame rust.

General Comments:

My 48th Isuzu vehicle, I love these trucks. Had a few with 300k on them. Run forever, just need headgaskets (or a head if early series) every 100k or so. About the only major problem with the 4Z series motors.