ts 440, tm2530, 3530 vs1 replacement sold by piexx www.piexx.com
ts 450, 850, 870, 690 vs2 replacement sold by piexx see above
ts 570d, 570dg, 570s, ts2000, tmv7a vs3 may still be sold by kenwood.
ts480, 590, tmv71 vgs3 stilll sold by kenwood.
hope this all helps.