This genuine Welger 1729160208 sealing washer is an original equipment manufacturer (OEM) part designed for optimal performance in Welger balers. Featuring a 16mm inner diameter, 20mm outer diameter, and 8mm thickness, it ensures a secure and leak-free seal in various agricultural machinery applications. Essential for maintenance and repair of Welger baler models including AP530, AP630, AP730, D4000, D5000, D6000, and numerous RP series balers.