1、Applicable Models: Engine rectifier regulator is fit for 18 to 24HP Engine 161430, 161432, 161436, 161437, 161452, 190401, 190402, 192400, 196400, 216977, 217977, 219977, 21A977, 21B977, 226400, 28M700, 280700, 351700 311707, 311777, 460707, 460777 and 42 Series Engines. 2、OE Number: The part numbers of reference are 394890, 393374, 691185, 797375, and 797182, please confirm whether it is consistent with the OE you need. 3、Strong Protection: The rectifier has a battery charging protection function. When the battery power is 100 percent, the rectifier stops charging the battery to prevent the battery from overcharging. 4、Durable Construction: Engines voltage regulator rectifier is made of premium material, which is hardness, excellent heat dissipation, sturdy and durable and has a long service life. 5、Ideal Replacement: Fine craftsmanship, this is your ideal option and replacement for your original damaged and old voltage rectifier regulator, perfect for your car.