brake fluid

[inpassing]

what brake fluid goes in my 172?

 

[NATHAN182]

dot 4 id imagine should be fine

 

[skydiver]

Motul RBF600

 

[Soot1e]

dot 4 or dot 5.1 are good enough. Any decent brand such as castrol, motul etc. Hope you changing the whole system, you'll notice the difference.