This was removed from a 1982 300SD that was running and driving before being parted out. I do not know what work, if any, was done on this valve body, but it does look fairly clean on the outside. We do recommend you open it up and clean it, as well as install new accumulator seals. This will help to make sure you have smooth shifts. The kit can be purchased separately below.
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Early 722.3 Transmission Valve Body Overhaul Kit
Why rebuild a 722.3 valve body? Some may have told you just to "leave it alone." It can be a little intimidating, especially if you have visions of all kinds of springs, balls, and little valves flying all over the place when you take it apart. Watch the video below for a short overview.
722.3 B2 Piston Early Version with NEW Nylon Piston Ring, Sleeve and Seal
This piston is not new but in excellent used condition. This is the early style with the narrow nylon piston ring. A new sealing ring is included. If you B2 is damaged on your 1981 to 1989 722.3 transmission and you can not find a new upgrade, then this might be your best option
B2 Piston and Sleeve Removal and Replacement - On Demand Video
Kent will show you the procedure (along with troubleshooting and testing tips) with a 722.3 Transmission on the bench.