The John Deere ER386949 Extension is an original equipment manufacturer (OEM) part designed for a wide range of John Deere agricultural machinery, primarily tractors. This genuine extension ensures precise fitment and maintains the operational integrity of your equipment. Manufactured to John Deere's stringent quality standards, it provides reliable performance and durability. With a length of 101.6 mm, width of 25.4 mm, and height of 25.4 mm, and weighing 0.05 kg, this component is essential for specific applications within compatible John Deere models.