John Deere 15.50" Tall Back Seat W/OP Switch Fits LX266 LX277 LX279 OEM#AM131157 Uni Pro Hinged Bucket Seat is a comfortable, quality made seat suitable for agricultural tractors and turf applications. This Uni Pro seat is a replacement seat for hinged panned 15" tall backrest seats. The seat is a drop in replacement. You simply remove the existing seat by removing the pin, remove the seat switch and install the new seat and seat switch. Comes with Normally Open Twist Mount 1-Pole Operator Presence Switch. Features: Heavy-duty Yellow Vinyl covering Durable blow molded plastic frame is corrosion resistant Ergonomic cushion Vacuum formed waterproof vinyl Central drain hole prevents water build-up 15.5" high-back seat which will replace both original 15.5" and 18.8" high-back seats Comes with Twist Mount 1-Pole Operator Presence Switch - Normally Open Drop in replacement Applications: John Deere Lawn Mowers: LX Series: LX172, LX173, LX176, LX178, LX186, LX188, LX255, LX266, LX277, LX279, LX280, LX288, LX289 Notes: Replaces OEM# AM131157 Measurement of the inside of the molded hinges are 9.17" apart Please note - each molded hinge is 1.665 (1 5/8) inches wide