{"product_id":"uro-03l121111ac-engine-coolant-thermostat-housing-assembly","title":"URO 03L121111AC Engine Coolant Thermostat Housing Assembly","description":"\u003ch2\u003eEngine coolant thermostat housing\u003c\/h2\u003e\u003cp\u003eThis URO engine coolant thermostat housing assembly is a new replacement part for European vehicle cooling systems. It is built for direct service replacement and includes an O-ring seal for a cleaner sealing interface.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePA66-GF30 housing material for strength and heat resistance.\u003c\/li\u003e\n\u003cli\u003eIntegrated bleeder hole to help purge trapped air during service.\u003c\/li\u003e\n\u003cli\u003eO-ring gasket included for sealing at installation.\u003c\/li\u003e\n\u003cli\u003eBlack finish with a regular-grade replacement design.\u003c\/li\u003e\n\u003cli\u003eNew part, not remanufactured.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed description\u003c\/h2\u003e\u003cp\u003ePart number 03L121111AC is an engine coolant thermostat housing assembly used in cooling system repair where the thermostat housing must be replaced as a complete unit. The PA66-GF30 construction provides a reinforced nylon housing, while the bleeder hole and included O-ring support proper coolant service and sealing. This part number 03L121111AC is listed for 2010-2014 Volkswagen Golf, 2010-2014 Volkswagen Jetta, 2013-2014 Volkswagen Beetle, and 2010-2013 Audi A3 applications. This part cross-references Gates 34777 and Dorman - OE Solutions 902-5907 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon repair issues\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks at the thermostat housing seal.\u003c\/li\u003e\n\u003cli\u003eCracked or heat-aged plastic housing.\u003c\/li\u003e\n\u003cli\u003eAir trapped in the cooling system after service.\u003c\/li\u003e\n\u003cli\u003eFailed housing that requires replacement of the assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and quality\u003c\/h2\u003e\u003cp\u003eVerify the housing style, bolt-hole spacing, and coolant connection details before installation. The included O-ring seal should be seated correctly and the cooling system should be bled after service using the housing bleeder feature. URO Parts components are manufactured to meet or exceed OEM specifications, and URO Premium products carry an unlimited mileage, lifetime warranty.\u003c\/p\u003e","brand":"URO","offers":[{"title":"Default Title","offer_id":53439598854325,"sku":"DDWC-03L121111AC","price":49.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/UR_03L121111AC_Fro.jpg?v=1791269330","url":"https:\/\/www.partcatalog.com\/products\/uro-03l121111ac-engine-coolant-thermostat-housing-assembly","provider":"PartCatalog","version":"1.0","type":"link"}