[john]

I would buy the parts through Mitsu. You may as well replace the water pump and maybe the tensioner while you are in there. How long has it been since your car has had a t-belt job? You might as well replace teh b-shaft belt or remove it.

As far as the oil and grease, you may need a seal on the front of your engine. Feel the seals on the front case and see if they are like plastic or rubber.