Car owners and mechanics, this ACDelco transmission gear is the real deal - it's genuine GM Original Equipment, which means it's exactly what came in your vehicle from the factory. The part number 24219410 is specifically designed as a direct replacement for your automatic transmission's input internal gear. When you go with ACDelco GM OE parts, you're getting the same quality, reliability, and durability that your vehicle was built with. The fit is perfect because it's manufactured to GM's exact specifications - no modifications or adjustments needed. This is the recommended replacement component for GM vehicles' automatic transmission and transaxle systems. Installation is straightforward if you know your way around transmissions, and you can trust that it'll perform exactly like the original part. Much better than risking aftermarket parts that might not hold up as well. Keep your GM vehicle running smoothly with factory-quality components that you know will work right the first time!