{"product_id":"b-b-thermostat-kit-with-gasket-for-omc-volvo-penta-160-f-fits-4-3-5-8l-marine-v6-v8","title":"B.B. Thermostat Kit with Gasket for OMC \u0026 Volvo Penta – 160°F, Fits 4.3–5.8L Marine V6\/V8","description":"\u003ch2\u003eComplete thermostat replacement for OMC Cobra and Volvo sterndrive\u003c\/h2\u003e\n\u003cp\u003eThe B.B. Thermostat Kit with Gasket is a fresh, ready-to-install solution designed for select OMC Cobra and Volvo Penta sterndrive systems. This new-in-package kit centers on a 160-degree thermostat, paired with a gasket and an O-ring, ensuring you have the essential components for a proper seal and dependable cooling performance.\u003c\/p\u003e\n\u003cp\u003eDesigned to replace multiple OEM and Sierra parts, this kit is a practical choice for boat owners who value a straightforward maintenance path. It speaks to the realities of marine engines: parts wear, gaskets compress over time, and a reliable thermostat helps manage engine temperature as you enjoy longer days on the water. While it cannot replace every engine variant, it covers a broad range of popular Volvos and OMCs, making it a sensible option for many mid-size V6 and V8 marine setups.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included and what to know before ordering\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x 160-degree thermostat (replacement for OEM 3856961)\u003c\/li\u003e\n  \u003cli\u003e1 x Gasket (replacement for OEM 3852111)\u003c\/li\u003e\n  \u003cli\u003e1 x O-ring (replacement for OEM 3852071)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces several known parts: 3856961, 383307, 18-3677, 18-3653\u003c\/li\u003e\n  \u003cli\u003eFits Volvo Penta and OMC Cobra sterndrive applications across multiple 4.3L to 5.8L V6\/V8 engines\u003c\/li\u003e\n  \u003cli\u003eNot designed for 4-cylinder engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment notes and practical considerations\u003c\/h3\u003e\n\u003cp\u003eVolvo marine engines historically used two thermostat sizes; this kit uses the smaller thermostat. Compare your current thermostat size to ensure the best match for your setup. The listed Volvo and OMC applications span common configurations, including 4.3L through 5.8L V6\/V8 options, to help you identify the right replacement without guesswork.\u003c\/p\u003e\n\u003ch3\u003ePractical benefits for boat owners\u003c\/h3\u003e\n\u003cp\u003eReplacing a thermostat, gasket, and O-ring as a single kit offers a streamlined maintenance experience. A properly sized thermostat can contribute to steady engine temperatures, potentially supporting consistent performance during long days on the water. This kit provides a complete, ready-to-install package so you can move from diagnosis to replacement with confidence.\u003c\/p\u003e\n\u003ch3\u003eHow to use this kit\u003c\/h3\u003e\n\u003cp\u003eBefore you install, confirm fitment against your engine model and serial range. Have basic hand tools ready, and ensure the cooling system is cool before starting. After installation, monitor the temperature readings to confirm stable operation and look for any leaks around the gasket seal.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What engines does this thermostat kit fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This kit fits Volvo Penta and OMC Cobra sterndrive applications, including 4.3L to 5.8L V6\/V8 engines; verify compatibility before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes a 160-degree thermostat, a gasket, and an O-ring for a complete replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"B.B.","offers":[{"title":"Default Title","offer_id":42466100641877,"sku":"B077XG95F2","price":34.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/bb-thermostat-kit-omc-volvo-parts-assembly.jpg?v=1778037529","url":"https:\/\/plentytorque.co.uk\/products\/b-b-thermostat-kit-with-gasket-for-omc-volvo-penta-160-f-fits-4-3-5-8l-marine-v6-v8","provider":"PlentyTorque","version":"1.0","type":"link"}