The John Deere CQ11154 is a genuine OEM lock washer designed to provide secure fastening and prevent loosening due to vibration or torque. This essential component is compatible with a wide range of John Deere agricultural machinery, including tractors, combines, and planters, as well as construction equipment. Manufactured to John Deere's rigorous standards, it ensures reliable performance and durability, maintaining the integrity of bolted connections in demanding operational environments. Always refer to your equipment's parts catalog for specific application details.