At your mileage, yes.

Regardless of miles...you're going to feel pretty silly not spending the $40 now, if you find out yours is bad after buttoning everything up.

The HT urea grease is also necessary

 

I was amazed at how beat up my release guide was. It was a while ago, and parts lists I found didn't include it, so didn't order it.

Then I saw how bad it was. But backordered, had to wait like 3 weeks for it to be sent. Car down in zillion pieces whole time. Not ideal for a number of reasons.

 

Check to make sure the master is releasing line pressure when pedal is released. Try bleeding the slave to verify no pressure is maintained when pedal is not pressed.