{"product_id":"arco-57-5374-outboard-starter-mercury-65-85-hp-4-cylinder","title":"ARCO 57-5374 Outboard Starter – Mercury 65–85 HP 4-Cylinder","description":"\u003ch2\u003eARCO 57-5374 Replacement Outboard Starter Motor\u003c\/h2\u003e\u003cp\u003eBring reliable starts back to your Mercury 4-cylinder outboard with the ARCO 57-5374 — a direct-fit replacement starter built for Mercury 65–85 HP inline 4-cylinder 2-stroke motors. Featuring a 10-tooth drive gear and OEM-matched specifications, this starter installs without modification and delivers the consistent cranking power your engine needs trip after trip.\u003c\/p\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMercury 65–85 HP 4-Cylinder 2-Stroke outboards (approximately 1972–1989)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces OEM \u0026amp; Cross-Reference Part Numbers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMercury \/ Mariner: 50-79472, 50-79472A1\u003c\/li\u003e\n\u003cli\u003eSierra: 18-5610\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eDrive gear: 10-tooth\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003eThis starter is the correct fit for older Mercury inline 4-cylinder 2-stroke motors in the 65–85 HP range — a common replacement on well-used motors that crank slowly or fail to engage. The 10-tooth drive gear is a key identifier; confirm your existing starter’s tooth count before ordering. For newer Mercury 4-cylinder applications, see the \u003ca href=\"\/products\/11141376507940\"\u003eARCO 5392 for Mercury\/Mariner 80–125 HP Inline 4-Cylinder\u003c\/a\u003e or the \u003ca href=\"\/products\/11141376868388\"\u003eARCO 5415 for Mercury 80–115 HP 4-Stroke\u003c\/a\u003e. When replacing the starter, it’s also a good time to check the solenoid — see the \u003ca href=\"\/products\/11141379096612\"\u003eARCO Starter Solenoid for Mercury \u0026amp; MerCruiser (SW109)\u003c\/a\u003e.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250827919396,"sku":"57-5374","price":326.29,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/57-5374.jpg?v=1786510767","url":"https:\/\/marisolmarine.com\/products\/arco-57-5374-outboard-starter-mercury-65-85-hp-4-cylinder","provider":"Marisol Marine Company","version":"1.0","type":"link"}