1、OE Number: The referencing OE number of this electric lawn mower engine motor are 21163‑0714, 21163‑0727, 21163‑7024, 21163‑7034, 21163‑7035, FR691V AS04. 2、Fitment: The 10 teeth starter motor is a replacement for Cub Cadet Mower RZT46 RZT50 RZT54 Z‑Force 48 54 60, replacement for Cub Cadet Tractor LTX1046 LTX1050. 3、High Torsion Starter Motor: The starter motor includes a high density magnetic coil that provides exceptional torsion for fast and powerful startups, making your mowing tasks quicker and easier. 4、Waterproof: Complete with fully sealed bearings and casing, this electric lawn mower engine motor prevents the entry of damp and dirt, which ensures longevity and consistent performance. 5、Excellent Performance: The engine motor is designed with superior anti rust features for maximum durability and stability, ensuring that it remains even exposure to harsh outdoor conditions.