{"product_id":"cooling-fan-control-unit-cdi-box-for-honda-trx400fw-trx450es-fe-fm-s-1995-2004","title":"Cooling Fan Control Unit CDI Box for Honda TRX400FW TRX450ES FE FM S 1995 2004","description":"\u003cstrong\u003eThis Cooling Fan Control Unit CDI Box is an electronic control module that manages radiator fan operation and ignition timing for selected Honda ATVs, compatible with 1995-2004 TRX400FW, TRX450ES, TRX450FE, and TRX450FM models.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e \u003cp\u003eThe Cooling Fan Control Unit CDI Box serves as both the fan controller and capacitive discharge ignition module in one replacement unit. It restores proper cooling fan activation and reliable spark delivery for Honda FourTrax owners dealing with overheating or no-start conditions. Designed as a direct plug-in replacement, this Cooling Fan Control Unit CDI Box eliminates the need for separate components and gets riders back on the trail quickly.\u003c\/p\u003e \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCombines cooling fan relay control and CDI ignition in a single sealed module\u003c\/li\u003e \u003cli\u003eDirect-fit replacement with OEM-style connectors—no cutting or splicing\u003c\/li\u003e \u003cli\u003eSolid-state circuitry provides consistent spark timing and fan trigger thresholds\u003c\/li\u003e \u003cli\u003eWeather-resistant housing guards against moisture, mud, and vibration\u003c\/li\u003e \u003cli\u003eTested to match factory advance curves and temperature set points\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e1995-2004 Honda TRX400FW FourTrax Foreman\u003c\/li\u003e \u003cli\u003e1998-2004 Honda TRX450ES FourTrax Foreman\u003c\/li\u003e \u003cli\u003e1998-2004 Honda TRX450FE FourTrax Foreman\u003c\/li\u003e \u003cli\u003e1998-2004 Honda TRX450FM FourTrax Foreman\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReplacing a failed CDI causing intermittent spark or no-start issues\u003c\/li\u003e \u003cli\u003eRestoring radiator fan function when the engine overheats at low speed\u003c\/li\u003e \u003cli\u003eTrail-side repair or preventative maintenance on high-hour machines\u003c\/li\u003e \u003cli\u003eCost-effective alternative to buying separate fan control module and CDI box\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this Cooling Fan Control Unit CDI Box fix a fan that never turns on?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, if the original module has failed, this unit restores the temperature-activated fan logic so the fan cycles on and off correctly when the coolant reaches the set threshold.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use this on a 2005 model Honda TRX450?\u003cstrong\u003e A:\u003c\/strong\u003e It is only verified for 1995-2004 model years; later models may use different wiring, so confirm connector style before ordering.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679691432209,"sku":"ZZ3A00625","price":85.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_c579e294-94f4-44ef-9e7f-6e86225d4a5d.jpg?v=1781653282","url":"https:\/\/www.duraforce.com\/products\/cooling-fan-control-unit-cdi-box-for-honda-trx400fw-trx450es-fe-fm-s-1995-2004","provider":"DURAFORCE","version":"1.0","type":"link"}