Features: 1.Fitment: Voltage regulator rectifier is replacement for John Deere Lawn Mower Tractor, replacement for Onan P, B Engine 16?20HP. 2.OEM Number: Voltage regulator replace part number for Onan is 191 1748, 191 2106, 191 2208, 191 2227, for John Deere is 318 420. 3.Feature: In automobile alternators and central power station generator plants, voltage regulators control the output of the plant. 4.Advantages: This voltage regulator is used to regulate DC voltages and it is safe to use. Exquisite workmanship, high accuracy. 5.Performance: ABS and metal material, excellent heat dissipation performance, precise and firm, high strength, not easy to break, sturdy and durable. Specification: Item Type: Voltage Regulator Rectifier_x000D_ Material: ABS and metal_x000D_ OEM:_x000D_ for Onan :191 1748, 191 2106, 191 2208, 191 2227_x000D_ for John Deere : 318 420_x000D_ Voltage: DC12 V_x000D_ Applicable Models:_x000D_ Replacement for John Deere Lawn Mower Tractor_x000D_ Replacement for Onan P, B Engine 16?20HP Note: 1.Please double check the part number of your item, matching information is for reference only._x000D_ 2.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!