{"product_id":"mercury-mariner-switch-box-for-3-cylinder-65-hp-outboards-1972-1975-replaces-mercury-332-4796a3-sierra-18-99290","title":"Sierra 18-99290 Switch Box for Mercury\/Mariner 65 HP 3-Cylinder Outboards, Replaces 332-4796A3, 332-4796A6, CDI 114-4796","description":"\u003cp\u003eThe Sierra 18-99290 is a switch box built for 3-cylinder Mercury and Mariner outboard engines. The switch box is a core ignition component that manages spark timing and delivery for the outboard's ignition system, and replacing a worn or failing unit restores reliable starting and running performance. This switch box is designed for 65 hp Mercury\/Mariner outboards from 1972 to 1975, matching the engine family's original ignition specification.\u003c\/p\u003e\u003cp\u003eThe Sierra 18-99290 cross-references directly to Mercury OEM part numbers 332-4796A3, 332-4796, and 332-4796A6, and is interchangeable with the CDI Electronics 114-4796 switch box, giving buyers multiple ways to confirm they are ordering the correct part. It weighs 1.8 pounds.\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 18-99290\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Mercury Outboard Switch Box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Configuration:\u003c\/strong\u003e 3 Cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Horsepower:\u003c\/strong\u003e 65 hp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Years:\u003c\/strong\u003e 1972 to 1975\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Make:\u003c\/strong\u003e Mercury, Mariner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.8 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 736983850560\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMercury\/Mariner, 65 hp, 1972 to 1975\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e332-4796A3\u003c\/li\u003e\n\u003cli\u003e332-4796\u003c\/li\u003e\n\u003cli\u003e332-4796A6\u003c\/li\u003e\n\u003cli\u003e114-4796\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Sierra 18-99290 switch box designed for?\u003c\/strong\u003e The Sierra 18-99290 is a switch box for the ignition system of 3-cylinder Mercury and Mariner outboard engines, controlling spark delivery for the engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich Mercury outboards is the 18-99290 switch box compatible with?\u003c\/strong\u003e It is compatible with 65 hp Mercury\/Mariner outboards from 1972 to 1975.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does the Sierra 18-99290 cross-reference?\u003c\/strong\u003e The 18-99290 cross-references to Mercury part numbers 332-4796A3, 332-4796, and 332-4796A6.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-99290 the same as the CDI Electronics 114-4796?\u003c\/strong\u003e Yes, the Sierra 18-99290 and the CDI Electronics 114-4796 switch box are interchangeable parts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-99290 switch box weigh?\u003c\/strong\u003e This switch box weighs 1.8 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-99290 fit 2-cylinder Mercury outboards?\u003c\/strong\u003e No, the Sierra 18-99290 is built for 3-cylinder Mercury\/Mariner outboard engines, not 2-cylinder configurations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat years of Mercury\/Mariner outboards use the 18-99290 switch box?\u003c\/strong\u003e Outboards from 1972 to 1975 use this switch box, specifically the 65 hp 3-cylinder Mercury\/Mariner engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat UPC is assigned to the Sierra 18-99290 switch box?\u003c\/strong\u003e The UPC for the Sierra 18-99290 switch box is 736983850560.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat category of part is the Sierra 18-99290?\u003c\/strong\u003e The 18-99290 is categorized as a Mercury outboard switch box, an ignition system component.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988441116891,"sku":"SIE-18-99290","price":365.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/CDI-114-4796_lg__70189.1558114416.500.750.jpg?v=1785188348","url":"https:\/\/www.goodvibesmarina.com\/products\/mercury-mariner-switch-box-for-3-cylinder-65-hp-outboards-1972-1975-replaces-mercury-332-4796a3-sierra-18-99290","provider":"Good Vibes Marina","version":"1.0","type":"link"}