Bought our 2001 2500 4x4 Cummins used in 2001 with 30K miles.
It now has 165,000 miles.
There was a recall on the front axle,replaced the lower ball joints and track bar IIRC.
Power seat repaired under warranty.
Lift pump replaced.
Injector pump replaced.
Passenger window switch replaced.
Transmission replaced 4 months ago.