The John Deere AE49400 is a genuine OEM crankshaft designed for specific John Deere agricultural equipment. This critical engine component is engineered to precise specifications, providing reliable power transmission and long-lasting durability. Manufactured from high-quality materials, the AE49400 crankshaft ensures proper engine balance and smooth operation, contributing to the overall efficiency and lifespan of your John Deere machinery. Always use genuine John Deere parts for guaranteed fit and performance.