{"product_id":"starter-relay-solenoid-for-honda-fourtrax-300-trx300-4x4-1988-2000-35850-hc4-000","title":"Starter Relay Solenoid For Honda Fourtrax 300 TRX300 4x4 1988~2000 35850-HC4-000","description":"\u003ch2\u003eStarter Relay Solenoid for Honda Fourtrax 300 TRX300 4x4\u003c\/h2\u003e\u003cp\u003eThis starter relay solenoid is a direct-fit replacement for Honda Fourtrax 300 TRX300 4x4 ATVs, cross-referencing OEM part number 35850-HC4-000 to deliver reliable starting power to the electric starter circuit.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis starter relay solenoid serves as the high-current switch between the battery and the starter motor on Honda Fourtrax 300 TRX300 4x4 models. When the start button is pressed, the solenoid closes the circuit and sends full battery power to crank the engine. It is built for riders and mechanics replacing a worn or failed relay on 1988 through 2000 Fourtrax 300 machines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect cross-reference to OEM part number 35850-HC4-000 for straightforward replacement\u003c\/li\u003e\n\u003cli\u003eHeavy-duty internal contacts designed to handle repeated high-current starting loads\u003c\/li\u003e\n\u003cli\u003eSealed housing helps resist mud, dust, and water splash common in ATV use\u003c\/li\u003e\n\u003cli\u003ePlug-and-play terminal layout matches the original connector on Fourtrax 300 models\u003c\/li\u003e\n\u003cli\u003eRated for 12-volt ATV electrical systems\u003c\/li\u003e\n\u003cli\u003eCompact body fits the factory mounting location without modification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Honda Fourtrax 300 TRX300 4x4 (1988-2000)\u003c\/li\u003e\n\u003cli\u003efor Honda Fourtrax 300 TRX300 (1988-2000)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing a solenoid that clicks but will not crank the engine\u003c\/li\u003e\n\u003cli\u003eRestoring reliable electric start on trail and farm ATVs\u003c\/li\u003e\n\u003cli\u003eRoutine electrical maintenance on older Fourtrax 300 machines\u003c\/li\u003e\n\u003cli\u003eRepairing starting issues caused by burned or pitted relay contacts\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\u003e35850-HC4-000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStarter relay solenoid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Honda Fourtrax 300 TRX300 4x4 1988-2000\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 starter relay solenoid is bad? \u003cstrong\u003eA:\u003c\/strong\u003e A common sign is a single loud click with no engine crank when the start button is pressed, or no click at all. Testing for battery voltage at the starter terminal while cranking helps confirm the relay is the fault.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this solenoid replace the factory relay directly? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is designed to cross-reference OEM part 35850-HC4-000 and mount in the factory location with the original wiring connections. Confirm your model year and part number before ordering.\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":50553934053462,"sku":"ZZ3M01641","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_a7aac136-0d3e-43cd-9266-7ad5df5c3873.jpg?v=1790802682","url":"https:\/\/www.solidspare.com\/products\/starter-relay-solenoid-for-honda-fourtrax-300-trx300-4x4-1988-2000-35850-hc4-000","provider":"Solid Spare","version":"1.0","type":"link"}