1,Applicable Model: Rectifier regulator is replacement for Johnson Evinrude 105 150 175 HP, please confirm whether your model is applicable before buying. 2,OE Number: The part numbers of outboard rectifier for reference are 0439561, 0584093, 0585219, please confirm whether it is consistent with the OE you need. 3,Function: Voltage regulator adjusts input voltage to desired output voltage, ensuring stability in circuit system and protecting equipment from overload, overvoltage, and overheating. 4,Robust Construction: Made of aluminum alloy, the rectifier has strong rust resistance and ultra high stability, even in harsh Marine environments, and has a long life. 5,Direct Replacement: The rectifier regulator meets or exceeds OEM specifications to ensure shape and function match the original parts, and is easy to install. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.