Stens # 420-282 High Back Seat for SIMPLICITY 5061599, SIMPLICITY 5061599SM, TORO 119-8829, TORO 99-7281, TORO 112-2923SIMPLICITY 5061599, SIMPLICITY 5061599SM, TORO 119-8829, TORO 99-7281, TORO 112-2923 Sold on Amazon