This spacer bushing sits at the cab mounting point of the host tractor, providing a fixed separation distance between the cab frame and the chassis bracket. It prevents metal-to-metal contact at the mounting interface, which reduces vibration transmission into the cab structure. A worn or crushed bushing allows the cab to shift relative to the chassis, causing misalignment of the cab latch and increased noise in the operator station. As an original AGCO component, the bushing is machined to the same stack-height tolerance as the original assembly, so no shimming is needed during replacement. On reinstall, verify the bushing is fully seated in its bore before tightening the mounting bolt.