Features: 1Perfect Fitment: Voltage regulator rectifier is replacement for Johnson Evinrude 9.9?235HP, perfect matching, has a long service time. 2Replace OEM Part Number: The OEM number is 580765, 580795, 582399, 583408, 581603, 582307, 580841, 581305, replacement for Sierra 18?5708. 3High Quality Material: Rectifier is made of high quality aluminium material, rustproof, high strength, not easy to deform and durable. 4Excellent Performance: Professional manufacturing, high efficiency, high accuracy, stable performance and high reliability. 5Simple Installation: The installation is simple and does not require complicated tools, direct replacement for the old or damaged one, convenient for using. Item Type: Rectifier Material: Aluminium Wiring: 3 wires Replace OEM: 580765, 580795, 582399, 583408, 581603, 582307, 580841, 581305 Serial Number: Replacement for Sierra 18-5708 Application: Rectifier that meets the original standard and is ideal for replacing refurbished old and damaged rectifiers. Rectifiers use semiconductor diodes to conduct current flow, thus rectifying and controlling the power supply, providing stable voltage to the battery and improving the ignition efficiency of the engine. Fitment: Replacement for Johnson Evinrude 100 HP 1980, 1984-1986 1988-1994 Replacement for Johnson Evinrude 110 HP 1986-1989 Replacement for Johnson Evinrude 112 HP 1994-1996 Replacement for Johnson Evinrude 115 HP 1980-1985 1990-1998 Replacement for Johnson Evinrude 140 HP 1980-1984 Replacement for Johnson Evinrude 15 HP 1995-2001 Replacement for Johnson Evinrude 150 HP Carb 1980-1983 Replacement for Johnson Evinrude 175 HP Carb 1980-1983 Replacement for Johnson Evinrude 200 HP Carb 1980-1983 Replacement for Johnson Evinrude 235 HP 1980-1983 Replacement for Johnson Evinrude 60 HP 1986-1991 Replacement for Johnson Evinrude 65 HP 1984-1991 Replacement for Johnson Evinrude 70 HP 1980-1991 Replacement for Johnson Evinrude 75 HP 1980-1988 Replacement for Johnson Evinrude 85 HP 1980 Replacement for Johnson Evinrude 88 HP 1987-1996 Replacement for Johnson Evinrude 9.9 HP 1995-2001 Replacement for Johnson Evinrude 90 HP 1981-1998 1 x Rectifier