{"product_id":"arco-5381x-mercury-mariner-150-225-hp-starter-57-5381x","title":"Arco 5381X Replacement Starter – Mercury\/Mariner 150–225 HP Outboard","description":"\u003ch2\u003eARCO 5381X Replacement Starter Motor\u003c\/h2\u003e\u003cp\u003eKeep your Mercury or Mariner outboard turning over reliably with this direct-fit replacement starter from ARCO Marine. Designed specifically for high-horsepower outboard applications, the 5381X delivers consistent cranking performance whether you’re launching in cold morning air or restarting mid-day on the water. A straightforward swap that restores starting confidence without the guesswork of sourcing an OEM unit.\u003c\/p\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMercury \/ Mariner 150–225 HP outboard engines\u003c\/li\u003e\n\u003cli\u003e9-tooth drive gear configuration — confirm tooth count before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces OEM Part Numbers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMercury 50-856996T\u003c\/li\u003e\n\u003cli\u003eMercury 50-86976\u003c\/li\u003e\n\u003cli\u003eMercury 50-898265013\u003c\/li\u003e\n\u003cli\u003eSierra 18-5609\u003c\/li\u003e\n\u003cli\u003eSierra 18-6825\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eDrive Gear:\u003c\/strong\u003e 9-tooth\u003c\/p\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003eThe 5381X is the correct starter for Mercury and Mariner outboards in the 150–225 HP range using a 9-tooth drive gear — confirm your tooth count before ordering, as the similar \u003ca href=\"\/products\/11141375557668\"\u003eARCO 57-5381 Starter (Mercury\/Mariner 200–225 HP V6 DFI)\u003c\/a\u003e covers a narrower DFI-specific application. This is a popular replacement on high-use sport fishing and charter boats where starters take a beating from frequent daily starts. When replacing the starter, it’s also worth inspecting the solenoid — the \u003ca href=\"\/products\/11141379227684\"\u003eARCO Mercury Starter Solenoid (57-SW275)\u003c\/a\u003e and the \u003ca href=\"\/products\/11141379096612\"\u003eARCO 12V Starter Solenoid (SW109)\u003c\/a\u003e are compatible options for this engine family. For Mercury 80–115 HP 4-stroke and Optimax applications, see the \u003ca href=\"\/products\/11141376868388\"\u003eARCO 5415 Starter\u003c\/a\u003e.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250826280996,"sku":"57-5381X","price":373.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/57-5381X.jpg?v=1786510748","url":"https:\/\/marisolmarine.com\/products\/arco-5381x-mercury-mariner-150-225-hp-starter-57-5381x","provider":"Marisol Marine Company","version":"1.0","type":"link"}