The John Deere R301438 is a genuine OEM shim designed for precise adjustment of bearings in various John Deere agricultural and construction machinery. This high-quality shim ensures proper component spacing and alignment, crucial for maintaining optimal performance and extending the lifespan of critical rotating parts. With a thickness of 0.95 mm, it provides accurate calibration for specific applications, preventing excessive play or binding. Manufactured to John Deere's rigorous standards, this shim guarantees a perfect fit and reliable operation.