{"product_id":"sierra-marine-thermostat-housing-181989","title":"Sierra Marine Thermostat Housing 181989","description":"90 Degree Neck; Steel; Gasket Seal; Silver; Fits Mercruiser Stern Drive Engines\n\u003cp\u003eThe Sierra Marine Thermostat Housing 181989 is a replacement component for marine cooling systems that use a thermostat housing assembly. The housing provides the mounting and connection point required for thermostat-related cooling system service, helping support proper coolant routing and temperature-control maintenance. It is suited for repair, restoration, and replacement applications where the original thermostat housing requires service or replacement.\u003cbr\u003eUse this thermostat housing when maintaining a marine engine cooling system and replacing a worn, damaged, or otherwise serviceable housing. A properly matched housing supports the correct installation of the thermostat and related cooling components, helping technicians restore the system according to the engine manufacturer’s service requirements. Before ordering, compare the original component, application information, and connection configuration to confirm compatibility with the intended marine engine.\u003cbr\u003eThis Sierra Marine replacement part is identified by part number 181989 for straightforward reference during parts selection and service planning. Installation should be completed using appropriate marine service procedures, including inspection of connected hoses, seals, fasteners, and thermostat components before reassembly. Replace related sealing components when required, follow the manufacturer’s recommended torque and coolant procedures, and inspect the completed installation for leaks before returning the vessel to operation. The thermostat housing is supplied as a focused replacement component, making it a practical choice for maintenance programs and cooling system repairs where the correct Sierra Marine part is required.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBrand: Sierra Marine\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePart Number: 181989\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApplication: Replacement thermostat housing for compatible marine engine cooling systems\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eService Use: Supports thermostat installation and coolant system maintenance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatibility: Verify engine application and original housing configuration before installation\u003c\/li\u003e\u003c\/ul\u003e","brand":"SIERRAMARINE","offers":[{"title":"Default Title","offer_id":44771518939178,"sku":"S5M181989","price":248.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/ImageServerAPI_bf8b2798-df9b-4bf7-b4df-77f06f1f47cd.jpg?v=1788228755","url":"https:\/\/atticusgoods.com\/products\/sierra-marine-thermostat-housing-181989","provider":"Atticus Goods","version":"1.0","type":"link"}