{"product_id":"heater-coolant-control-valve-5pin-for-2004-2009-toyota-prius-1-5l-l4-16670-21010","title":"Heater Coolant Control Valve 5Pin for 2004-2009 Toyota Prius 1.5L L4 16670-21010","description":"\u003ch2\u003eHeater Coolant Control Valve for Toyota Prius\u003c\/h2\u003e\u003cp\u003eThis 5-pin heater coolant control valve regulates coolant flow through the cabin heater core, cross-referencing OEM part number 16670-21010 for a direct-fit replacement.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis heater coolant control valve is a 5-pin electric unit that manages coolant circulation to the heater core so cabin temperature stays consistent. It is built to match the original fit and function for the Toyota Prius 1.5L L4, giving drivers a dependable replacement for a failed or leaking valve. The heater coolant control valve installs at the factory location and connects with the existing 5-pin harness.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e5-pin electrical connector matches the factory harness for plug-and-play installation\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement cross-referenced to OEM part number 16670-21010\u003c\/li\u003e\n\u003cli\u003eHousing designed to seal coolant flow and prevent leaks under operating pressure\u003c\/li\u003e\n\u003cli\u003eInternal valve rated for continuous hot coolant circulation\u003c\/li\u003e\n\u003cli\u003eConstruction resists corrosion from prolonged coolant exposure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Toyota Prius 1.5L L4 2004\u003c\/li\u003e\n\u003cli\u003efor Toyota Prius 1.5L L4 2005\u003c\/li\u003e\n\u003cli\u003efor Toyota Prius 1.5L L4 2006\u003c\/li\u003e\n\u003cli\u003efor Toyota Prius 1.5L L4 2007\u003c\/li\u003e\n\u003cli\u003efor Toyota Prius 1.5L L4 2008\u003c\/li\u003e\n\u003cli\u003efor Toyota Prius 1.5L L4 2009\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestores cabin heater output when the original valve sticks or fails\u003c\/li\u003e\n\u003cli\u003eStops coolant leaks at the valve body that cause low coolant levels\u003c\/li\u003e\n\u003cli\u003eReplaces a valve that throws heater control codes on the 5-pin circuit\u003c\/li\u003e\n\u003cli\u003eRoutine cooling system repair on high-mileage Prius models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16670-21010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5L L4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater coolant control valve\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 valve fix a no-heat condition? \u003cstrong\u003eA:\u003c\/strong\u003e If the original valve is stuck closed or failed, replacing it restores coolant flow to the heater core and brings back cabin heat. Confirm the 5-pin connector and part number 16670-21010 match before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to drain the cooling system to install it? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the cooling system should be drained below the valve level before removal to avoid coolant loss and air pockets. Refill and bleed the system afterward for proper heater operation.\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":50557034627158,"sku":"ZZ3P01462","price":57.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_68f2b1d5-1f94-47af-a0fd-d7c37f12f106.jpg?v=1790964085","url":"https:\/\/www.solidspare.com\/products\/heater-coolant-control-valve-5pin-for-2004-2009-toyota-prius-1-5l-l4-16670-21010","provider":"Solid Spare","version":"1.0","type":"link"}