New SS-3 & SS-3R Dual Diode Replacement Kit SS-5 SS-5R S5151 S5151R
This will replace the SS-3, SS-3R, SS-5, SS-5R, S5151, S5151R, and anything similar. This is the neatest little adapter board! It is marked for common cathode (SS-3, S5151, etc) on one side and common anode (SS-3R, S5151R, etc) on the other side.