{"product_id":"arco-starter-solenoid-mercruiser-cobra-volvo-penta-sw450","title":"ARCO Starter Solenoid – MerCruiser, Cobra \u0026 Volvo Penta (SW450)","description":"\u003ch2\u003eARCO Starter Solenoid – MerCruiser, Cobra \u0026amp; Volvo Penta\u003c\/h2\u003e\u003cp\u003ePurpose-built for MerCruiser, Cobra, and Volvo Penta applications, this 4-terminal 12-volt starter solenoid is the correct replacement for engines paired with ARCO 30460 and 30470 series starters. The 4-terminal configuration handles both the main starter circuit and the accessory trigger circuit, making it the right fit where a standard 2- or 3-terminal solenoid won't do. Built to marine-grade standards, it resists corrosion and vibration for long-term reliability in saltwater and freshwater environments alike.\u003c\/p\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMerCruiser sterndrive engines requiring a 4-terminal 12V starter solenoid\u003c\/li\u003e\n\u003cli\u003eCobra sterndrive engines requiring a 4-terminal 12V starter solenoid\u003c\/li\u003e\n\u003cli\u003eVolvo Penta engines requiring a 4-terminal 12V starter solenoid\u003c\/li\u003e\n\u003cli\u003eFits engines equipped with \u003ca href=\"\/products\/arco-30470a-volvo-mercruiser-omc-starter-57-30470a\"\u003eARCO 30470A starter\u003c\/a\u003e and ARCO 30460 series starters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SW450 (57-SW450)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003eThe SW450 is the go-to solenoid when you're replacing or rebuilding a starter system on a MerCruiser, Cobra, or Volvo Penta engine that uses an ARCO 30460 or \u003ca href=\"\/products\/arco-30470a-volvo-mercruiser-omc-starter-57-30470a\"\u003e30470A starter\u003c\/a\u003e. The 4-terminal design is a key detail — if your original solenoid has only 2 or 3 terminals, this is not the right part. For single-engine OMC applications or lighter-duty setups, see the \u003ca href=\"\/products\/arco-omc-solenoid-12v-grounded-base-57-sw268\"\u003eARCO OMC Solenoid – 12V Grounded Base (57-SW268)\u003c\/a\u003e. For the highest-output option across MerCruiser, OMC, and Volvo Penta platforms, consider the \u003ca href=\"\/products\/heavy-duty-mercruiser-omc-volvo-penta-solenoid-57-sw463\"\u003eARCO Heavy-Duty Starter Solenoid (SW463)\u003c\/a\u003e.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250829983780,"sku":"57-SW450","price":88.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/57-SW450.jpg?v=1786510794","url":"https:\/\/marisolmarine.com\/products\/arco-starter-solenoid-mercruiser-cobra-volvo-penta-sw450","provider":"Marisol Marine Company","version":"1.0","type":"link"}