{"product_id":"arco-heavy-duty-12v-starter-solenoid-mercury-mercruiser-isolated-base-57-sw058hd","title":"ARCO Heavy-Duty 12V Starter Solenoid for Mercury \u0026 MerCruiser – Isolated Base | SKU 57-SW058HD","description":"\u003ch2\u003eARCO Heavy-Duty 12V Starter Solenoid for Mercury \u0026amp; MerCruiser – Isolated Base\u003c\/h2\u003e\u003cp\u003eThe heavy-duty version of the ARCO SW058 starter solenoid for Mercury outboard and MerCruiser stern-drive engines. This isolated base, 12-volt solenoid is built with upgraded internal components throughout — designed for engines that see high-cycle use or operate in demanding conditions where a standard solenoid is prone to premature failure. It replaces the same Mercury OEM part numbers as the SW058 but delivers significantly more durability.\u003c\/p\u003e\u003ch3\u003eHeavy-Duty Upgrades Over Standard Solenoid\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHeavy-duty coil and contact assembly with a larger contact area for better current transfer\u003c\/li\u003e\n\u003cli\u003eHigh-temperature housing with reduced distortion under heat\u003c\/li\u003e\n\u003cli\u003eMolded-in studs for precise, consistent contact alignment\u003c\/li\u003e\n\u003cli\u003eHigh-temperature coil assembly for extended service life\u003c\/li\u003e\n\u003cli\u003eOne-piece moving core with solid brass stem for reliable, long-lasting operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e12-volt, isolated base design\u003c\/li\u003e\n\u003cli\u003eDirect replacement for Mercury and MerCruiser starter solenoids\u003c\/li\u003e\n\u003cli\u003eOEM-equivalent fit — no wiring modifications required\u003c\/li\u003e\n\u003cli\u003eReplaces 2 Mercury OEM part numbers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplaces Mercury part numbers: 89-846070, 89-94318\u003c\/li\u003e\n\u003cli\u003eMercury outboard engines using the above OEM references\u003c\/li\u003e\n\u003cli\u003eMerCruiser stern-drive engines using the above OEM references\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePairs Well With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/arco-12v-starter-solenoid-mercury-mercruiser-isolated-base-57-sw058\"\u003eARCO 12V Starter Solenoid for Mercury \u0026amp; MerCruiser – Isolated Base (SW058)\u003c\/a\u003e – standard-duty version for the same applications\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arco-12v-starter-solenoid-mercury-mercruiser-isolated-base-57-sw054\"\u003eARCO 12V Starter Solenoid for Mercury \u0026amp; MerCruiser – Isolated Base (SW054)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arco-heavy-duty-starter-solenoid-mercruiser-omc-volvo-penta-sw463\"\u003eARCO Heavy-Duty Starter Solenoid (SW463)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arco-outboard-starter-motor-mercury-force-90-120-hp-sport-jet-57-7325\"\u003eARCO Outboard Starter Motor – Mercury \/ Force 90–120 HP Sport Jet\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003eBest suited for Mercury outboard and MerCruiser owners who have already replaced the standard SW058 solenoid and experienced repeat failures, or for high-use applications such as charter boats, commercial vessels, or engines that are started frequently throughout the day. The solid brass stem and high-temp housing address the two most common failure modes of standard solenoids in hot engine compartments. If you’re replacing a solenoid for the first time and your engine sees normal recreational use, the standard \u003ca href=\"\/products\/arco-12v-starter-solenoid-mercury-mercruiser-isolated-base-57-sw058\"\u003eSW058\u003c\/a\u003e is a cost-effective starting point.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250829590564,"sku":"57-SW058HD","price":56.29,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/57-SW058HD.jpg?v=1786510788","url":"https:\/\/marisolmarine.com\/products\/arco-heavy-duty-12v-starter-solenoid-mercury-mercruiser-isolated-base-57-sw058hd","provider":"Marisol Marine Company","version":"1.0","type":"link"}