{"product_id":"power-pack-cd4-for-johnson-evinrude-88-110-hp-4-cyl-1986-1987-replaces-oem-583110-sierra-18-99177","title":"Sierra 18-99177 Johnson\/Evinrude Power Pack, Replaces 583110, Fits 1986-1987 4-Cylinder 88\/90\/110 HP","description":"\u003cp\u003eThe Sierra 18-99177 is a power pack built for Johnson\/Evinrude 4-cylinder outboard engines, serving as a direct replacement for the original equipment power pack used on 1986-1987 model year 88 HP, 90 HP, and 110 HP engines. The power pack is a core component of the outboard's capacitor discharge ignition system, and this unit is cataloged under the CD4 designation for 4-cylinder applications. It cross-references directly to OEM part number 583110, making it a straightforward swap when an original power pack fails or needs replacement. At 0.6 pounds, it is a compact, lightweight electronic component designed to bolt into the stock mounting location used by the original unit.\u003c\/p\u003e\u003cp\u003eThis power pack is intended for boat owners and marine technicians servicing Johnson or Evinrude 4-cylinder outboards within the listed horsepower and year range. Ordering by the correct fitment (engine cylinder count, model year, and horsepower) is important, since power packs are engine-specific and not interchangeable across unrelated engine families.\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 18-99177\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003e Evinrude Outboard Power Pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engine Type:\u003c\/strong\u003e Johnson\/Evinrude 4-cylinder outboard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment Years:\u003c\/strong\u003e 1986-1987\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower Compatibility:\u003c\/strong\u003e 88 HP, 90 HP, 110 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces OEM Number:\u003c\/strong\u003e 583110\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.6 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282393755\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eJohnson\/Evinrude 4-cylinder outboards, 1986-1987, 88 HP, 90 HP, and 110 HP\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e583110\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-99177 power pack replace?\u003c\/strong\u003e The Sierra 18-99177 power pack replaces OEM Johnson\/Evinrude part number 583110.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich engines is the Sierra 18-99177 power pack compatible with?\u003c\/strong\u003e It fits Johnson\/Evinrude 4-cylinder outboards from 1986-1987 rated at 88 HP, 90 HP, or 110 HP.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-99177 power pack fit 6-cylinder Johnson or Evinrude outboards?\u003c\/strong\u003e No. The Sierra 18-99177 is built specifically for 4-cylinder Johnson\/Evinrude outboards, not 6-cylinder engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does this power pack weigh?\u003c\/strong\u003e The Sierra 18-99177 power pack weighs 0.6 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-99177 an OEM part or an aftermarket equivalent?\u003c\/strong\u003e It is an aftermarket power pack that cross-references to and replaces the OEM number 583110.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat horsepower ratings use the 583110 replacement power pack?\u003c\/strong\u003e Engines rated 88 HP, 90 HP, and 110 HP on 1986-1987 Johnson\/Evinrude 4-cylinder outboards use this power pack.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the 18-99177 fit a 1988 or later Johnson\/Evinrude outboard?\u003c\/strong\u003e The Sierra 18-99177 is confirmed for 1986-1987 model year 4-cylinder Johnson\/Evinrude engines; compatibility outside that year range is not specified.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the part number for this power pack?\u003c\/strong\u003e The part number is Sierra 18-99177, which replaces OEM number 583110.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-99177 install in the same location as the original power pack?\u003c\/strong\u003e Yes, since it is designed as a direct replacement for OEM part 583110, the 18-99177 fits the stock mounting location used by the original power pack on compatible 4-cylinder Johnson\/Evinrude outboards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat type of ignition system does the Sierra 18-99177 power pack belong to?\u003c\/strong\u003e This power pack is a component of the capacitor discharge (CD) ignition system used on 4-cylinder Johnson\/Evinrude outboards, cataloged under the CD4 designation.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988438266075,"sku":"SIE-18-99177","price":165.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/CDI-113-3110_lg__97908.1748447710.500.750.jpg?v=1785189203","url":"https:\/\/www.goodvibesmarina.com\/products\/power-pack-cd4-for-johnson-evinrude-88-110-hp-4-cyl-1986-1987-replaces-oem-583110-sierra-18-99177","provider":"Good Vibes Marina","version":"1.0","type":"link"}