Oil pump - Lifespan?

[914helo]

Being new to this engine, how long have your oil pumps lasted? I pulled my pump off today and not only do the seals look good, but both rotors look almost new. The engine has just over 60K on it, but it has been sitting for few years. I can seal the seals drying out, but would the pump go bad? I can see doing the preventative maintanance (and I will definately replace the seals) but it might be unnecessary to replace the pump. Opinions??