Front reinf. Rear. A mounting frame to which the seat / frame assembly is mounted to. Reinforcement panel or structure used for the vehicles floor. Crossmember EXTENSION. Floor pan crossbrace. Floor Pan Reinforcement. Floor REINFORCED. Front REINFORCED. Outer side panel reinforcement. Rear crossmember reinforcement. Rear frame. Rear panel. Rear plate. Rear REINFORCED. Rear support. REINFORCED plate. RETAINER. Seat Frame Mounting Base. Seat mount. Sill reinforcement.