{"product_id":"hero-destini-125-start-switch-assembly-i3s-panic-35150abs421s","title":"Hero Genuine Destini 125 Start Switch Assembly i3S Panic | Self-Start Button \/ Starter Switch | 35150ABS421S","description":"\u003ch2\u003eHero Genuine Destini 125 Start Switch Assembly i3S Panic\u003c\/h2\u003e\n\u003cp\u003eReplace a faulty, loose, broken, sticky, water-damaged, or non-responsive starter switch with the \u003cstrong\u003eHero Genuine Destini 125 Start Switch Assembly i3S Panic\u003c\/strong\u003e. This is the genuine start switch assembly used for the self-start \/ starter-button function on compatible Hero Destini 125 scooters that require part number \u003cstrong\u003e35150ABS421S\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe part is commonly searched by scooter owners and mechanics as a \u003cstrong\u003estarter switch, self-start button, start button, right-hand start switch, RH switch, switch assembly start, or i3S panic switch\u003c\/strong\u003e. Choosing the correct genuine Hero switch helps maintain proper connector compatibility, button feel, electrical contact, and long-term reliability compared to universal switch repairs or locally modified wiring.\u003c\/p\u003e\n\u003cp\u003eThis SKU is best suited for newer Hero Destini 125 variants where the switch layout requires the \u003cstrong\u003ei3S Panic\u003c\/strong\u003e type assembly. Match the old switch part number, connector shape, panic\/i3S switch layout, wire length, and scooter variant before ordering to avoid wrong fitment.\u003c\/p\u003e\n\u003ch3\u003eWhat This Product Is\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHero Genuine start switch assembly \/ starter button unit\u003c\/li\u003e\n\u003cli\u003eProduct identity: \u003cstrong\u003eSWITCH ASSEMBLY START I3S PANIC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e35150ABS421S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFormatted part number: \u003cstrong\u003e35150-ABS-421\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCommon buyer\/mechanic terms: \u003cstrong\u003estarter switch, self-start button, start button, RH switch, switch assembly start, i3S panic switch\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eApplication: Electric start switch assembly for compatible Hero Destini 125 variants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Hero switch assembly for compatible Destini 125 scooters\u003c\/li\u003e\n\u003cli\u003eCorrect replacement for part number \u003cstrong\u003e35150ABS421S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for starter\/self-start button operation with i3S Panic switch identity\u003c\/li\u003e\n\u003cli\u003eHelps replace a faulty, jammed, loose, damaged, water-affected, or non-working starter button\u003c\/li\u003e\n\u003cli\u003eSupports proper connector matching and electrical contact when fitted to the correct variant\u003c\/li\u003e\n\u003cli\u003eBetter fitment confidence than universal switch repairs or local wiring modifications\u003c\/li\u003e\n\u003cli\u003eSingle switch assembly supplied\u003c\/li\u003e\n\u003cli\u003eQuantity: \u003cstrong\u003e1 unit\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrice\/MRP reference: \u003cstrong\u003e₹795\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStrong search identity: start switch, self-start button, starter switch, RH switch, i3S panic switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConfirmed Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHero Destini 125 (Dec., 2024)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHero Destini 125 BS6 OBD2 (Apr., 2025)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHero Destini 125 BS6 OBD2 PHB CBS (Sept., 2025)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo wider compatibility is being added for Pleasure, Pleasure Plus, Maestro, Maestro Edge, Duet, Xoom, Activa, Jupiter, Access, or any other scooter unless the same part number is confirmed for that vehicle.\u003c\/p\u003e\n\u003ch3\u003eFitment Note \/ Return Prevention Note\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, match the existing switch with part number \u003cstrong\u003e35150ABS421S\u003c\/strong\u003e, the scooter model\/variant, i3S Panic switch layout, connector shape, pin layout, wire length, and handlebar switch housing design.\u003c\/p\u003e\n\u003cp\u003eDo not order this for the \u003cstrong\u003ei3S DRL\u003c\/strong\u003e switch type or a different switch assembly unless the part number and connector layout match exactly. For the DRL version, the part number may be different, so the old part number must be checked carefully.\u003c\/p\u003e\n\u003ch3\u003eWhat You Will Receive\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Hero Genuine Switch Assembly Start i3S Panic\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e35150ABS421S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStarter switch \/ self-start button switch assembly only\u003c\/li\u003e\n\u003cli\u003eDoes \u003cstrong\u003enot\u003c\/strong\u003e include starter motor, starter relay, battery, wiring harness, ignition lock, left-side switch assembly, handlebar, screws, or any other electrical parts unless separately mentioned\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHero Genuine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e35150ABS421S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormatted Part Number\u003c\/td\u003e\n\u003ctd\u003e35150-ABS-421\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Description\u003c\/td\u003e\n\u003ctd\u003eSWITCH ASSEMBLY START I3S PANIC \/ SW ASSY START I3S PANIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Terms\u003c\/td\u003e\n\u003ctd\u003eStarter switch, self-start button, start button, RH switch, switch assembly start, i3S panic switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eStarter\/self-start switch operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003eDestini 125 (Dec., 2024), Destini 125 BS6 OBD2 (Apr., 2025), Destini 125 BS6 OBD2 PHB CBS (Sept., 2025)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e1 unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\/MRP Reference\u003c\/td\u003e\n\u003ctd\u003e₹795\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eScooter electrical switch \/ starter button assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Sensitivity\u003c\/td\u003e\n\u003ctd\u003ePart number, coupler, pin layout, switch design, i3S Panic layout, and exact scooter variant must match\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Note\u003c\/h3\u003e\n\u003cp\u003eProfessional installation by a trained scooter mechanic or electrician is recommended. Before fitting, compare the connector, pin layout, wire routing, switch design, and handlebar switch housing with the old part. Incorrect switch matching can cause starting issues or electrical malfunction.\u003c\/p\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. What is Hero part number 35150ABS421S?\u003c\/strong\u003e\u003cbr\u003eIt is a Hero Genuine switch assembly start i3S Panic, commonly called a starter switch or self-start button, for compatible Hero Destini 125 variants.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. Which scooters does this switch fit?\u003c\/strong\u003e\u003cbr\u003eIt is confirmed for Hero Destini 125 (Dec., 2024), Hero Destini 125 BS6 OBD2 (Apr., 2025), and Hero Destini 125 BS6 OBD2 PHB CBS (Sept., 2025).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. Is this a starter motor?\u003c\/strong\u003e\u003cbr\u003eNo. This is the starter switch\/start button assembly only. It does not include the starter motor, relay, battery, or wiring harness.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4. Is 35150ABS421S the same as 35150ABS401S?\u003c\/strong\u003e\u003cbr\u003eNo. 35150ABS421S is the i3S Panic switch assembly, while 35150ABS401S is listed as the i3S DRL switch assembly. Match the exact old part number before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5. Can this fit Pleasure, Maestro, Duet, Xoom, Activa, Jupiter, or Access?\u003c\/strong\u003e\u003cbr\u003eNo wider compatibility is being claimed. Order only if your scooter requires part number 35150ABS421S.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6. When should this switch be replaced?\u003c\/strong\u003e\u003cbr\u003eReplace it if the starter button is broken, jammed, loose, water-damaged, intermittently working, or not responding even when the battery and starter circuit are healthy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ7. Will this solve all self-start problems?\u003c\/strong\u003e\u003cbr\u003eIt can solve issues caused by a faulty start switch. If the battery, starter relay, starter motor, fuse, brake switch, or wiring is faulty, those parts should also be checked.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ8. How can I confirm fitment before ordering?\u003c\/strong\u003e\u003cbr\u003eMatch the part number, scooter variant, switch design, coupler shape, pin layout, wire length, and i3S Panic function requirement. VIN\/chassis-based confirmation is recommended for best accuracy.\u003c\/p\u003e","brand":"Hero MotoCorp","offers":[{"title":"Default Title","offer_id":51448321245479,"sku":"35150ABS421S","price":780.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/35150-abs-800x800_1.avif?v=1780565397","url":"https:\/\/underthehood.co.in\/products\/hero-destini-125-start-switch-assembly-i3s-panic-35150abs421s","provider":"UNDER THE HOOD","version":"1.0","type":"link"}