Item Type: Voltage Regulator Material: Aluminum Alloy Voltage: 12V OE: 6661155250- Application: Aftermarket replacement parts, used to replace old regulators in original cars, meet or will exceed OEM standards, direct replacement, installation Rectifier Function: rectifier uses a semiconductor diode to conduct current to rectify and control supply, provide a stable voltage for battery, and improve ignition efficiency of . Fitment: Replacement for Tractor B4200, B5100, B6000, B7100 rs1104 j5000 Package List: 1 x Voltage Regulator Note: 1. Please double check part number of your item, matching information is for reference only. 2. If you are unsure of item, please before buying to avoid unnecessary return, thanks!