On my 1995 Scenic Cruiser, GS used Southco locks and latches, I have replaced all of mine and had the keying changed at the same time to get rid of the CH-751 key they all came with.
1995 Gulf Stream 34' Scenic Cruiser Diesel Pusher 8344WFD, 1984 Shasta TT 28',
2019 Jeep Cherokee TrailHawk Elite,
Road Master Sterling All-Terrain Tow Bar,
Air Force One Brake System