Not a lot of info out there- feel free to add your experience. Just installed a 2005 Tahoe Z71 Delphi (4 bolt input cover) into my 1989 K1500. I did not remove this myself but requested it online and was assured this was the part I wanted, all I was told was that there is a difference in Pitman arm between 1/2 ton and heavier GVW vehicles. There are some remarks to get the frame bolts as well- I used my old bolts as the newer ones were too long. Hoses fit no problem, I did have to purchase an adapter from Borgeson and grind a flat to fit the oe steering shaft to the box. I tried to save my ACD Pitman arm but it didn't oblige during removal and I ended up using the original that came with the steering gear.
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