{"product_id":"universal-12-volt-underdash-heater-heat-w-speed-switch-for-car-or-truck-4-port","title":"Universal 12 VOLT Underdash Heater Heat w\/ Speed Switch for Car or Truck 4 port","description":"\u003ch2\u003eUniversal 12 Volt Underdash Heater with Speed Switch for Car or Truck\u003c\/h2\u003e\u003cp\u003eThis universal 12 volt underdash heater with a 4 port design and speed switch adds cabin warmth to cars, trucks, and other 12 volt vehicles that lack a working factory heater.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 12 volt underdash heater mounts beneath the dash to deliver warm air directly into the cabin using a built-in fan and 4 port airflow. The included speed switch lets the driver adjust fan output to match conditions. Ideal for older cars, trucks, off-road rigs, or any vehicle needing supplemental heat.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e12 volt operation for standard automotive electrical systems\u003c\/li\u003e\n\u003cli\u003e4 port design for flexible ducting and airflow direction\u003c\/li\u003e\n\u003cli\u003eSpeed switch for adjustable fan output\u003c\/li\u003e\n\u003cli\u003eUnderdash mounting style that saves cabin space\u003c\/li\u003e\n\u003cli\u003eUniversal fitment across many car and truck applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eVintage cars and trucks without a functional heater\u003c\/li\u003e\n\u003cli\u003eOff-road and utility vehicles needing cabin warmth\u003c\/li\u003e\n\u003cli\u003eWork trucks used in cold climates\u003c\/li\u003e\n\u003cli\u003eCustom builds adding supplemental heat\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 volt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnderdash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpeed switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this heater work in any vehicle? \u003cstrong\u003eA:\u003c\/strong\u003e It is designed for 12 volt systems common in most cars and trucks. Confirm your vehicle runs a 12 volt electrical system before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the speed switch control temperature? \u003cstrong\u003eA:\u003c\/strong\u003e The speed switch controls fan output, which adjusts how much warm air reaches the cabin. It regulates airflow rather than heating element temperature.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":50557218783318,"sku":"ZZ3P02840","price":105.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_57a5463b-7cca-446c-a730-f1875880949e.jpg?v=1790992203","url":"https:\/\/www.solidspare.com\/products\/universal-12-volt-underdash-heater-heat-w-speed-switch-for-car-or-truck-4-port","provider":"Solid Spare","version":"1.0","type":"link"}