If it ain't broke........no real need to replace it.........but, cheap stuff.........well????
IF you haven't, here is my maintenence/change list for 100K(not in a particular order- not including plugs and wires):
1) Oil and filter
2) Trans fluid and filter
3) Transfer case fluid
4) Rear end oil
5) PCV
6) Grease joints (BJ and other moving parts)
7) T-stat
8) Radiator cap
9) Clean MAF
10) Grease wheel bearings and get new seals front and rear
11) Air filter
12) Gas filter
13) Suck and change (as much as possible) brake fluid
14) Suck and change (as much as possible) power steering fluid
15) Clean TB
16) Belt
I know I've forgotten something????
Aloha, Mark
