03FX4604

Im in need of replacing my outer pinion bearing, and im pretty sure of the parts i need...
Pinion nut(dont wanna reuse the old one, since they are a one time use thing)
Pinion seal
Crush sleeve
Outer pinion bearing
Do i need a new thrust washer too?

And on ordering the pinion bearing, rock auto and ringpinion.com are gving me 2 options...
1. says rear diff pinion nut
2. says some 9.75 rear ends with 7/8 20 thread. I dont know which one to order? I have the 9.75 3.73 ls
Thanks guys

Carcrazygts2

They change the bearings and gears in the 89.75 half way thru 2000. Ford was having to many warranty issues with failed pinion bearings in the early 9.75.