2003-2006 Chevrolet GMC Cadillac RH or LH Rear Seat Belt Buckle new OEM 88955198 Rear Seat Belt Kit- Buckle Side- Single Buckle. LH & RH Side w/ Rear Bucket Seats (AL4). 40% Rear Folding Side w/ Rear Folding Seat (AT5). If you are unsure if this is correct for...