{"product_id":"4010202-cooling-fan-switch-for-polaris-big-boss-400-500-1997-1999","title":"4010202 Cooling Fan Switch for Polaris Big Boss 400 500 1997-1999","description":"\u003ch2\u003eCooling Fan Switch for Polaris Big Boss 400 \u0026amp; 500\u003c\/h2\u003e\u003cp\u003eThis cooling fan switch for Polaris Big Boss 400 and 500 machines controls the radiator cooling fan circuit, engaging the fan when engine temperature rises; it replaces OEM part 4010202.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis cooling fan switch for Polaris Big Boss 400 and 500 models keeps engine temperature in check by triggering the fan at the right moment. The switch swaps out the original 4010202 unit on 1997 through 1999 Big Boss machines. It suits riders and mechanics repairing an aging temperature circuit.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces OEM part number 4010202\u003c\/li\u003e\n\u003cli\u003eThreaded body matches the factory fan switch port\u003c\/li\u003e\n\u003cli\u003eTemperature-activated contact closes the fan circuit on cue\u003c\/li\u003e\n\u003cli\u003eSealed electrical connector resists mud and moisture\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement for 1997-1999 Big Boss 400 and 500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris Big Boss 400 (1997-1999)\u003c\/li\u003e\n\u003cli\u003efor Polaris Big Boss 500 (1997-1999)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding where engine temps climb on long climbs\u003c\/li\u003e\n\u003cli\u003eUtility work with a loaded bed at low speed\u003c\/li\u003e\n\u003cli\u003eRepairing a Big Boss with a failed temperature switch\u003c\/li\u003e\n\u003cli\u003ePreventive maintenance on older cooling systems\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\u003e4010202\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCooling fan temperature switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1997-1999\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 fan switch has failed? \u003cstrong\u003eA:\u003c\/strong\u003e A common sign is the cooling fan never coming on when the engine gets hot, or running constantly. Confirm the switch with a multimeter before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this switch require a separate harness? \u003cstrong\u003eA:\u003c\/strong\u003e No, it plugs into the factory connector on 1997-1999 Big Boss 400 and 500 models. Reuse the original wiring and seal.\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":51144773206102,"sku":"OO1C25482","price":52.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_758343a7-b948-4005-9a62-e44c0e706ed1.jpg?v=1794567723","url":"https:\/\/www.solidspare.com\/products\/4010202-cooling-fan-switch-for-polaris-big-boss-400-500-1997-1999","provider":"Solid Spare","version":"1.0","type":"link"}