Genuine OEM Kia Manual Transaxle Gear Spacer, part number 432172A146. This precision component functions as a shim, providing accurate spacing for various gears within the manual transaxle assembly. Proper spacing is crucial for maintaining correct gear mesh, minimizing friction, and ensuring smooth, reliable transmission operation. Using a genuine OEM spacer guarantees the exact thickness and material quality required for optimal performance and longevity of the transmission components.