I used a non genuine one from minispares 2 years back and its still going strong and yes dot 4 is fine to useYep...it's a verto....going to give this a go...are there cheap ones and good ones or are they all the same...also do I use the 4 dot brake fluid....thanks again..
Original, best quality is best choice. Buy cheap, buy twice. There's a lot of this in the forum just now.
I would also go genuine now but at the time I was short on cash and mines been fine, some cheaper alternatives are ok but you run more of a risk in finding dodgy parts.