The John Deere AL173178 is an original equipment manufacturer (OEM) backrest designed to provide essential support and comfort for operators in various John Deere agricultural and utility tractors. This genuine John Deere part ensures a precise fit and reliable performance, contributing to improved ergonomics and safety during operation. Manufactured to John Deere's stringent quality standards, the AL173178 backrest is a direct replacement for worn or damaged components, helping to maintain the integrity and functionality of the operator's seat.