These are all the type 3 aftermarket transmitters made by Audiovox. Most of them are discontinued but some are still available which can be used as a replacement remote since all type 3 remotes are interchangeable.
Audiovox Pursuit PROOE3B370, PROOE3FT317, PROOE3FT371 Keyless Entry Alarm Remote is a good replacement remote for many of the type 3 discontinued transmitters. It has an FCC ID of either ELVAT8A or ELVAT1F and can replace APS99BT3BCF433, APS2K4CF50, APS95BT3, PROOE3FT317, PROO314, AA95BT3, PROOE3B470, PROOE3B471, APS99BT3BCF431, APS99BT3BCF434, PROOE4, and APS2K451.
only works on aftermarket systems. Programming these remotes involves pressing/toggling a valet button/switch to activate programming mode. If you can’t find your valet button/switch