I hesitated in replying to this, as I can't really help with part numbers.
Just to say that I've been there and done that, ended up ordering various pattern front brake cables until I found ones that fit.
My CL175, with the high scrambler style bars, is wearing a CB350 front brake cable, which is the right length, outer cable wise, but is right on the limit of adjustment on the inner cable. I think a drum brake CB200 cable would also work.
My CB175 has the UK spec low narrow bars, and I was able to get a pattern cable locally ( in the UK ) that fits exactly. More complicated on that bike, because as a K4 it had an inline front brake light switch. I was swapping to K6 bars, so I had to fit a later brake lever perch that included a front brake light micro switch.
Your other option would be to shorten the cable that is too long, although soldering the new nipple is not to be taken lightly, your life depends on it not coming off !