{"product_id":"278000965-temperature-sensor-for-sea-doo-speedster-800-1998-1999","title":"278000965 Temperature Sensor for Sea-Doo Speedster 800 1998-1999","description":"\u003ch2\u003eTemperature Sensor for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThis temperature sensor, OEM cross-reference 278000965, reports engine coolant temperature so your gauge and overheat warning work correctly on the water.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis temperature sensor is a replacement sending unit for Sea-Doo watercraft, cross-referenced to OEM number 278000965. The temperature sensor feeds coolant temperature data to the gauge and warning circuit so overheating is detected early. It fits riders servicing a Speedster 800 or similar Rotax-powered boat.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCross-references OEM part number 278000965\u003c\/li\u003e\n\u003cli\u003eThreaded body for direct installation in the engine coolant circuit\u003c\/li\u003e\n\u003cli\u003eSealed electrical connector resists water and spray intrusion\u003c\/li\u003e\n\u003cli\u003eThermally responsive element delivers stable signal output\u003c\/li\u003e\n\u003cli\u003eCompact body sized to clear surrounding engine components\u003c\/li\u003e\n\u003cli\u003eSuits marine use where corrosion resistance matters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Sea-Doo Speedster 800, 1998-1999\u003c\/li\u003e\n\u003cli\u003efor Sea-Doo models using OEM 278000965\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing a failed or erratic temperature sender\u003c\/li\u003e\n\u003cli\u003eRestoring accurate coolant temperature readings on the gauge\u003c\/li\u003e\n\u003cli\u003eRoutine cooling system maintenance\u003c\/li\u003e\n\u003cli\u003eOverheating diagnostics and repair\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\u003e278000965\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemperature sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSea-Doo watercraft\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 How do I know if my temperature sensor has failed? \u003cstrong\u003eA:\u003c\/strong\u003e Common signs include a gauge that never moves, reads erratically, or triggers false overheat warnings. Testing resistance across the temperature range confirms whether the sender is still within spec.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this sensor include the electrical connector? \u003cstrong\u003eA:\u003c\/strong\u003e The sensor is supplied as the sender unit shown, matching the OEM 278000965 connection point. Reuse your existing harness plug unless it shows corrosion or damage.\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":51072032702550,"sku":"OO1C16255","price":78.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_b691295a-2e32-413c-854f-13ed4271541b.jpg?v=1794407195","url":"https:\/\/www.solidspare.com\/products\/278000965-temperature-sensor-for-sea-doo-speedster-800-1998-1999","provider":"Solid Spare","version":"1.0","type":"link"}