{"product_id":"empi-inline-fan-thermostat-for-oil-coolers-180-f-33-5721-0","title":"EMPI Inline Fan Thermostat | Air-Cooled VW Oil Coolers | 180°F Automatic 12V Fan Switch (33-5721-0)","description":"\u003ch2\u003e\u003cb\u003eEMPI Inline Fan Thermostat — 180°F Automatic Electric Fan Control (33-5721-0)\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003eEMPI Inline Fan Thermostat\u003c\/b\u003e puts your external oil cooler on autopilot. It automatically activates your 12V electric fan when oil temperature reaches \u003cb\u003e180°F\u003c\/b\u003e, eliminating the need for a manual on\/off switch and protecting your engine from a forgotten toggle.\u003c\/p\u003e\n\u003cp\u003eDesigned for versatile installation, the unit attaches directly to the inlet port of your cooler or splices into any existing \u003cb\u003e1\/2\" oil hose\u003c\/b\u003e. All included fittings use a \u003cb\u003e37-degree flare\u003c\/b\u003e for a secure, leak-free connection — the perfect finishing touch for a professional, \"set-it-and-forget-it\" cooling system.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVW Beetle:\u003c\/b\u003e All years\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Bus:\u003c\/b\u003e All years\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Karmann Ghia:\u003c\/b\u003e All years\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Type 3:\u003c\/b\u003e All years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e Compatible with all 12V electric fans and stacked plate oil coolers.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eWhy Choose EMPI?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eEMPI is one of the longest-established names in air-cooled Volkswagen parts. This thermostat bolts into a standard external oil-cooler setup with the correct flare fittings included.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHands-Free Operation:\u003c\/b\u003e Automatically switches the fan on at 180°F, so cooling never depends on remembering a manual switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLeak-Free Fittings:\u003c\/b\u003e 37-degree flare fittings deliver a secure connection on 1\/2\" ID oil hose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Mounting:\u003c\/b\u003e Installs at the cooler inlet or splices inline into an existing hose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEngine Protection:\u003c\/b\u003e Maintains a consistent operating temperature and guards against overheating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eActivation Temp:\u003c\/b\u003e 180°F (82°C), preset\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFitting Type:\u003c\/b\u003e 37-degree flare for 1\/2\" ID hose\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting:\u003c\/b\u003e Inline — cooler inlet or spliced into hose\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e All 12V electric fans and stacked plate coolers\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 33-5721-0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAt what temperature does the fan turn on?\u003c\/b\u003e It is preset to switch your 12V electric fan on at 180°F (82°C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat hose size and fittings does it use?\u003c\/b\u003e It uses 37-degree flare fittings sized for 1\/2\" ID oil hose and can mount at the cooler inlet or splice into an existing line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWill it work with my fan and cooler?\u003c\/b\u003e Yes — it is compatible with all 12V electric fans and stacked plate oil coolers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eExplore Related Categories\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eComplete your cooling setup: \u003ca href=\"\/collections\/oil-cooling\"\u003eOil Cooling\u003c\/a\u003e, \u003ca href=\"\/collections\/engine-parts\"\u003eEngine Parts\u003c\/a\u003e, and \u003ca href=\"\/collections\/all-vw-aircooled\"\u003eAll VW Air-Cooled\u003c\/a\u003e.\u003c\/p\u003e","brand":"EMPI","offers":[{"title":"Default Title","offer_id":44899027615859,"sku":"33-5721-0","price":43.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/33-5721-0-500x323.jpg?v=1777252931","url":"https:\/\/www.washburnsmetal.com\/products\/empi-inline-fan-thermostat-for-oil-coolers-180-f-33-5721-0","provider":"Washburn's Metal","version":"1.0","type":"link"}