So I just checked the service manual which is helpful only half the time. I realize it says to take the fittings apart and throw away the o-rings, but you can unthread the connectors while leaving them on the lines, then only replace them if they actually leak.
Besides, if one does leak, which I doubt, it'll be very little, and you'll still be on the road while waiting for parts to come in.
21mm wrench if I remember correctly.