Features: 1.Fitment: Voltage regulator rectifier is professionally manufactured, suitable for John Deere 130 160 165, direct replacement. 2.Part Number: Replacing OE numbers for reference are SH578 12, M70121, M97348, 21066?2056, 21066?2070, built to meet OEM specifications. 3.Better Heat Dissipation: The voltage regulator is made of high strength aluminum, with better heat dissipation design and longer service life. 4.Protect Battery: The rectifier help to stop charging the battery when the battery is full, preventing the battery from overcharging and extending the service life of the battery. 5.Waterproof and Shockproof: The integrated full sealing process makes the rectifier waterproof and shockproof. Rust proof material can prolong the life of rectifier. 6.High Performance: The voltage rectifier adopts high level laminated materials and electronic components, improving charging capacity. Specification: Item Type: Voltage Regulator Material: Aluminum Operating Voltage: 12V Terminal ID: B+, IGN, B- / AC, L, AC OE: SH578 12 For John Deere: M70121 M97348 21066-2056 21066-2070 Fitment: For John Deere 130 160 165 Note: 1. Please double check the part number of your item, matching information is for reference only. 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!