{"product_id":"voltage-regulator-for-johnson-evinrude-outboard-replaces-583529-10-amp-fits-65-235-hp-cross-flow-1984-1998","title":"Sierra Voltage Regulator 18-99404, 10 Amp, Replaces Johnson\/Evinrude 584204 for 4\/6 Cylinder Cross Flow Outboards","description":"\u003cp\u003eThe Sierra 18-99404 is a 10 amp voltage regulator built for Johnson\/Evinrude outboard ignition systems. It regulates charging output from the outboard's stator\/alternator to protect the battery and onboard electronics from overcharging, replacing the OEM regulator on applicable Johnson\/Evinrude Cross Flow engines. The unit is a direct cross reference for the OEM regulators used across a wide range of Johnson\/Evinrude 4 cylinder and 6 cylinder Cross Flow powerheads, making it a straightforward like-for-like replacement when an original regulator fails or begins overcharging the battery.\u003c\/p\u003e\u003cp\u003eThis regulator supports 4 cylinder Cross Flow engines rated 65 JET, 80 JET, 85, 88, 90, 100, 112, 115, and 140 HP, as well as 6 cylinder Cross Flow engines rated 150, 155, 185, and 235 HP. It is designed as a bolt-in replacement for the OEM part, restoring proper charging system regulation without modification to the existing wiring harness.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-99404\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 10 Amp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1 pound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282394356\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Johnson\/Evinrude Outboard Ignition System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Compatibility:\u003c\/strong\u003e 4 Cylinder and 6 Cylinder Cross Flow Engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eJohnson\/Evinrude 4 Cylinder Cross Flow: 65 JET, 80 JET, 85, 88, 90, 100, 112, 115, 140 HP (1984-1998)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude 6 Cylinder Cross Flow: 150, 155, 185, 235 HP (1984-1990)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e585129\u003c\/li\u003e\n\u003cli\u003e585195\u003c\/li\u003e\n\u003cli\u003e583529\u003c\/li\u003e\n\u003cli\u003e584204\u003c\/li\u003e\n\u003cli\u003e878331\u003c\/li\u003e\n\u003cli\u003e0583529\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-99404 voltage regulator do?\u003c\/strong\u003e It regulates the charging current from a Johnson\/Evinrude outboard's stator or alternator so the battery and onboard electronics are not overcharged, replacing the engine's original voltage regulator.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-99404 a 10 amp or 6 amp regulator?\u003c\/strong\u003e The Sierra 18-99404 is rated for 10 amp charging output.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich OEM part numbers does the 18-99404 replace?\u003c\/strong\u003e It cross-references to OEM numbers 585129, 585195, 583529, 584204, 878331, and 0583529.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this regulator fit a 4 cylinder Johnson\/Evinrude Cross Flow engine?\u003c\/strong\u003e Yes, the 18-99404 fits 4 cylinder Cross Flow engines rated 65 JET, 80 JET, 85, 88, 90, 100, 112, 115, and 140 HP from 1984-1998.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-99404 fit 6 cylinder Cross Flow outboards too?\u003c\/strong\u003e Yes, it also fits 6 cylinder Cross Flow engines rated 150, 155, 185, and 235 HP from 1984-1990.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-99404 voltage regulator weigh?\u003c\/strong\u003e The Sierra 18-99404 weighs 1 pound.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install this voltage regulator myself?\u003c\/strong\u003e The 18-99404 is designed as a direct bolt-in replacement for the OEM Johnson\/Evinrude regulator, so it connects to the existing wiring harness without modification.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-99404 a genuine Johnson\/Evinrude part or aftermarket?\u003c\/strong\u003e The 18-99404 is a Sierra-branded regulator manufactured as a cross-reference replacement for the OEM Johnson\/Evinrude regulator, not an original Johnson\/Evinrude-branded part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat ignition system is the 18-99404 designed for?\u003c\/strong\u003e This regulator is built for the Johnson\/Evinrude outboard ignition system on applicable Cross Flow engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes replacing the voltage regulator fix an overcharging battery on an outboard?\u003c\/strong\u003e A failed or worn voltage regulator like the original equivalent to the Sierra 18-99404 is a common cause of overcharging, and replacing it restores proper charging regulation.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988442788059,"sku":"SIE-18-99404","price":99.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/CDI-193-4204_lg__77026.1722501077.500.750.jpg?v=1785188206","url":"https:\/\/www.goodvibesmarina.com\/products\/voltage-regulator-for-johnson-evinrude-outboard-replaces-583529-10-amp-fits-65-235-hp-cross-flow-1984-1998","provider":"Good Vibes Marina","version":"1.0","type":"link"}