1、Applicable Model: Starter motor is replacement for Arctic Cat 400 2X4 4 x4 650H1 4X4 , please confirm whether your model is applicable before buying. 2、OE Number: The part numbers reference are 31100 44D10, 31100 44D20, 31100 44D21(replacement for suzuki), please confirm whether it is consistent with the OE you need. 3、Powerful: Starter motor delivers powerful starting power for quick ATV ignition in any situation, whether in freezing winters or tough terrain, ensuring stable and reliable performance. 4、Durable: Manufactured from premium materials exceptional durability and reliability, starter motor ensures that works properly in a variety of harsh environments. 5、Good Replacement: Starter motor is in line with professional specifications, have higher work efficiency. Works perfectly than the original starter, easy to install.