{"product_id":"thermostat-kit-for-volvo-penta-4-3-5-0-5-7-350-v6-v8-18-3677-3856961-383307","title":"Thermostat Kit For Volvo Penta 4.3 5.0 5.7 350 V6 V8 18 3677 3856961 383307","description":"\u003cstrong\u003eThis Thermostat Kit is a marine engine cooling component compatible with Volvo Penta 4.3, 5.0, 5.7, 350 (5.7L) V6 and V8 engines and matches OEM Part# 18-3677, 3856961, 383307.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003eThis Thermostat Kit regulates engine temperature for Volvo Penta 4.3, 5.0, 5.7, and 350 V6\/V8 marine engines. It ensures optimal cooling system performance by controlling coolant flow, preventing overheating, and maintaining efficient operation. Ideal for boat owners and marine mechanics needing a reliable replacement thermostat kit.\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for Volvo Penta 4.3, 5.0, 5.7, and 350 engines\u003c\/li\u003e\n\u003cli\u003eIncludes thermostat, gasket, and housing components for complete installation\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered to meet OEM specifications for reliable temperature regulation\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant materials suitable for marine environments\u003c\/li\u003e\n\u003cli\u003eEasy installation with included hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVolvo Penta 4.3L V6 engines (various years)\u003c\/li\u003e\n\u003cli\u003eVolvo Penta 5.0L V8 engines\u003c\/li\u003e\n\u003cli\u003eVolvo Penta 5.7L (350) V8 engines\u003c\/li\u003e\n\u003cli\u003eCompatible with models using OEM part numbers 18-3677, 3856961, 383307\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacement thermostat kit for marine engines in boats and yachts\u003c\/li\u003e\n\u003cli\u003eEngine cooling system repair and maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring proper operating temperature in Volvo Penta powered vessels\u003c\/li\u003e\n\u003cli\u003eOverheating prevention and fuel efficiency improvement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 18-3677, 3856961, 383307\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass and high-temperature plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Rating:\u003c\/strong\u003e OEM specified (typically 160°F or 180°F)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if this thermostat kit fits my Volvo Penta engine?\u003cstrong\u003e A:\u003c\/strong\u003e Verify your engine model (4.3, 5.0, 5.7, 350) and check your current part number matches 18-3677, 3856961, or 383307.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include all necessary gaskets and seals?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, the kit includes the thermostat, housing gasket, and any required hardware for a complete replacement.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53676866765073,"sku":"ZZ2Y01028","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_4e454675-d280-4fc4-9667-ee51a1559342.jpg?v=1781579657","url":"https:\/\/www.duraforce.com\/products\/thermostat-kit-for-volvo-penta-4-3-5-0-5-7-350-v6-v8-18-3677-3856961-383307","provider":"DURAFORCE","version":"1.0","type":"link"}