{"product_id":"986062-genuine-horton®-electric-fan-clutch-ec450","title":"986062 | Genuine Horton® Electric Fan Clutch EC450","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003eA fan clutch \u003cstrong\u003e986062 \u003c\/strong\u003eis a temperature-controlled device that connects or disconnects the engine cooling fan based on the engine's heat level. It helps regulate the engine temperature while improving fuel efficiency and reducing engine load.\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003ePart Number\u003c\/strong\u003e: 986062\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: Horton\u003cbr\u003e\u003c\/span\u003e\u003cstrong data-end=\"176\" data-start=\"160\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFits 986062 For\u003c\/strong\u003e\u003c\/span\u003e \u003cstrong data-start=\"800\" data-end=\"818\"\u003ediesel engines\u003c\/strong\u003e, particularly \u003cstrong data-start=\"833\" data-end=\"850\"\u003eCummins 5.9 L\u003c\/strong\u003e (ISB\/QSB series) engines in commercial vehicles such as trucks and buses, a variety of medium-duty trucks and off-highway equipment with compatible mounting and electrical fan control systems.\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications For 986062:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv class=\"table table--searchable\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"table-item\"\u003e\n\u003cdiv class=\"attrib\"\u003eLength: 3.36 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-item\"\u003e\n\u003cdiv class=\"attrib\"\u003eBolt Circle Diameter: 3.81 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-item\"\u003e\n\u003cdiv class=\"attrib\"\u003eSlot Width: 0.36 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-item\"\u003e\n\u003cdiv class=\"attrib\"\u003eFan Pilot Diameter: 3.25 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-item\"\u003e\n\u003cdiv class=\"attrib\"\u003eMounting Flange Thickness: 0.25 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-item\"\u003e\n\u003cdiv class=\"attrib\"\u003ePilot Depth: 0.69 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-item\"\u003e\n\u003cdiv class=\"attrib\"\u003eClutch Mounting To Fan Mounting Surface Length: 2.4 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-item\"\u003e\n\u003cdiv class=\"attrib\"\u003eBase to Fan Length: 2.4 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table table--searchable\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"table-item\"\u003e\n\u003cdiv class=\"attrib\"\u003eVoltage: 12 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table table--searchable\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"table-item\"\u003e\n\u003cdiv class=\"attrib\"\u003eSlot Quantity: 4\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong data-end=\"597\" data-start=\"585\"\u003e\u003cbr\u003ePurpose of using 986062\u003c\/strong\u003e\u003cstrong data-end=\"597\" data-start=\"585\"\u003e:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e1. Regulate Engine Temperature\u003c\/strong\u003e\n\u003cp\u003e\u003cbr\u003eEngages the fan when the engine is hot to pull air through the radiator, cooling down the coolant and engine.\u003cbr\u003eDisengages when the engine is cool, allowing it to warm up faster and avoid overcooling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Improve Fuel Efficiency\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA constantly spinning fan adds drag on the engine.\u003cbr\u003eA fan clutch reduces this load by spinning the fan only when needed, saving fuel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Reduce Engine Wear\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLess mechanical load means less strain on:\u003cbr\u003eBelts\u003cbr\u003eBearings\u003cbr\u003eWater pump\u003cbr\u003eIt also helps extend the life of the cooling system components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Lower Noise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen disengaged, the fan spins at a lower speed or coasts, reducing the loud “roaring” noise typical of engine fans.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Support Emissions Compliance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProper temperature control helps engines run at optimal efficiency and stay within emissions limits.\u003cbr\u003eModern electronically controlled fan clutches are managed by the ECM and tied into aftertreatment systems.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of a Bad Fan Clutch 986062:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1. Overheating Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOne of the most obvious signs.\u003cbr\u003eIf the fan clutch doesn’t engage, the fan won't spin fast enough to cool the radiator.\u003cbr\u003eMost noticeable when:\u003cbr\u003eIdling in traffic\u003cbr\u003eTowing heavy loads\u003cbr\u003eDriving uphill or in hot weather\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Excessive Fan Noise (Constant Roaring)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the fan clutch is stuck in the “on” position, the fan may spin at full speed all the time.\u003cbr\u003eSounds like a loud roar, especially on startup or acceleration.\u003cbr\u003eThis causes reduced fuel efficiency and increased wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Poor Fuel Economy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA locked-on or constantly spinning fan consumes more power from the engine.\u003cbr\u003eThis increases fuel consumption unnecessarily.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Fan Spins Freely (Even When Hot)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith the engine off and warm, manually spinning the fan should meet some resistance.\u003cbr\u003eIf the fan spins freely with no drag, the clutch may be worn out or failed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. A\/C System Underperformance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA bad fan clutch may prevent proper airflow across the condenser, especially at low speeds.\u003cbr\u003eYou might notice weak A\/C cooling when the vehicle is stopped or idling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Warning Lights or Trouble Codes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNewer trucks (especially with electronic fan clutches) may trigger:\u003cbr\u003eCheck Engine Light\u003cbr\u003eCooling system fault\u003cbr\u003eFan clutch solenoid or ECM-related codes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"476\" data-start=\"97\"\u003e\u003cstrong data-end=\"151\" data-start=\"97\"\u003eAbout the Manufacturer – Horton:\u003c\/strong\u003e\u003cbr data-end=\"154\" data-start=\"151\"\u003e\u003c\/p\u003e\n\u003cp data-end=\"418\" data-start=\"40\"\u003e\u003cstrong data-end=\"50\" data-start=\"40\"\u003eHorton\u003c\/strong\u003e is a leading manufacturer of engine cooling systems and airflow solutions for commercial vehicles and off-highway equipment. Known for their innovation and durability, Horton specializes in fan clutches, engine fans, viscous drives, and aftermarket cooling components used in heavy-duty trucks, buses, construction, and agricultural machinery.\u003cbr\u003eWith decades of engineering expertise, Horton products help improve fuel efficiency, engine performance, and emissions compliance by delivering precise cooling control.\u003c\/p\u003e","brand":"Horton","offers":[{"title":"Default Title","offer_id":50529425326327,"sku":"986062","price":789.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/photo_2026-03-11_08-59-51_8741a94a-76fb-40b4-b0ea-4575bfdf96df.jpg?v=1773269562","url":"https:\/\/forcetruckparts.com\/products\/986062-genuine-horton%c2%ae-electric-fan-clutch-ec450","provider":"Force Truck Parts","version":"1.0","type":"link"}