I'm looking at a second hand D3 which although looks well used, has been recently serviced and had the shutter replaced.

Is the shutter the only part of the camera with appreciable wear and tear? I know everything wears out over time, but it seems that the number of shutter actuations generally serves as gauge of the camera's life expectancy.

Assuming that the camera hasn't been recklessly abused, is it safe to think that the camera will give me several years of good use? Taking in mind that it is a pro body too...

Thanks.