The Product Suitable For:This Kit For C43910 Includes C31249, C26670 12 voltage rectifier/regulator for all 200/400/600 series tractors with alternator/stator charging systems. Package Include:1*Voltage Rectifier Regulator Description:Highest after-sales guaranteeLow cost,Highest cost performanceBrand New High Quality Durable and easy to installNote If you are uncertain about the item,Please feel free to contact for confirm.Sorry for any inconvenience caused.Full refund guarantee if does not fit.