{"product_id":"hero-start-magnet-switch-assy-starter-relay-35850kr3870s","title":"Hero Genuine Start Magnet Switch Assembly \/ Starter Relay for Super Splendor, Glamour, Hunk, Karizma, Achiever, X-Treme \u0026 Impulse – 35850KR3870S","description":"\u003ch2\u003eHero Genuine Start Magnet Switch Assembly \/ Starter Relay – 35850KR3870S\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHero Genuine 35850KR3870S\u003c\/strong\u003e is listed by Hero as \u003cstrong\u003eSW. ASSY. START MAG\u003c\/strong\u003e, which seller references also describe as a \u003cstrong\u003estarter relay\u003c\/strong\u003e. In buyer-language terms, this is the \u003cstrong\u003estarter relay \/ self-start relay \/ start magnet switch assembly\u003c\/strong\u003e used in the electric starting circuit. Hero’s official product page confirms the SKU and product identity, while public seller references explicitly add the \u003cstrong\u003estarter relay\u003c\/strong\u003e terminology that buyers commonly search.\u003c\/p\u003e\n\u003cp\u003eThis is not a handlebar starter button. It is an electrical starting component that helps complete the starting circuit during self-start operation. For merchandising and SEO, the strongest model cluster publicly tied to this SKU includes \u003cstrong\u003eSuper Splendor, Glamour, Glamour FI, Hunk, Karizma, Karizma ZMR, Achiever, X-Treme, and Impulse\u003c\/strong\u003e, with dated carryover references across multiple years. Public fitment sources provide the broadest supported model spread.\u003c\/p\u003e\n\u003cp\u003eFor buyer search coverage, this page targets both OEM and common-market terms such as \u003cstrong\u003estarter relay\u003c\/strong\u003e, \u003cstrong\u003eself start relay\u003c\/strong\u003e, \u003cstrong\u003estart magnet switch\u003c\/strong\u003e, \u003cstrong\u003estart relay\u003c\/strong\u003e, and \u003cstrong\u003emagnet switch assembly\u003c\/strong\u003e. Because electrical relay parts can vary by connector, mounting tab, and generation, buyers should still verify \u003cstrong\u003e35850KR3870S\u003c\/strong\u003e by exact part number and old-part match before ordering, especially on older Achiever, Karizma, or Glamour-family bikes.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Hero OEM part\u003c\/strong\u003e with part number \u003cstrong\u003e35850KR3870S\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eProduct identity: \u003cstrong\u003eSW. ASSY. START MAG\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCommon buyer-language name: \u003cstrong\u003estarter relay\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eStrong public fitment across \u003cstrong\u003eSuper Splendor, Glamour, Glamour FI, Hunk, Karizma, Karizma ZMR, Achiever, X-Treme, and Impulse\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSold as \u003cstrong\u003e1 piece\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUseful replacement when the bike has starter relay issues, inconsistent self-start response, or starting-circuit faults.\u003c\/li\u003e\n\u003cli\u003eBest ordered by \u003cstrong\u003eexact part number match\u003c\/strong\u003e for older Hero model generations.\u003c\/li\u003e\n\u003cli\u003eBuyer-friendly search terms included for strong discoverability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Table\u003c\/h3\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eVariant \/ Family\u003c\/th\u003e\n\u003cth\u003eCompatibility Status\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuper Splendor\u003c\/td\u003e\n\u003ctd\u003eJul 2010 \/ May 2012 \/ Jan 2014\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003ePublic fitment history.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlamour\u003c\/td\u003e\n\u003ctd\u003eMar 2010 \/ Apr 2011 \/ May 2012 \/ Nov 2013 \/ Nov 2014\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003ePublic fitment history.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlamour FI\u003c\/td\u003e\n\u003ctd\u003eApr 2011 \/ Jul 2012 \/ Nov 2013 \/ Nov 2014\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003ePublic fitment history.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHunk\u003c\/td\u003e\n\u003ctd\u003eJun 2009 \/ Aug 2012 \/ Nov 2015\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003ePublic fitment history.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKarizma\u003c\/td\u003e\n\u003ctd\u003eFeb 2011 \/ Jul 2012 \/ May 2014\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003ePublic fitment history.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKarizma ZMR\u003c\/td\u003e\n\u003ctd\u003eMar 2011 \/ Jul 2012 \/ May 2014\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003ePublic fitment history.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAchiever\u003c\/td\u003e\n\u003ctd\u003eApr 2010 \/ Jul 2012 \/ Nov 2014\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003ePublic fitment history.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX-Treme \/ CBZ X-Treme\u003c\/td\u003e\n\u003ctd\u003eApr 2011 \/ Oct 2012 \/ Apr 2014\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003ePublic fitment history.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpulse\u003c\/td\u003e\n\u003ctd\u003eOct 2011\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003ePublic fitment history.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbition\u003c\/td\u003e\n\u003ctd\u003eOlder carryover\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003ctd\u003eSeen on public seller reference; verify by part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable aria-describedby=\"tableForApplicableModels_info\" role=\"grid\" id=\"tableForApplicableModels\" class=\"table table-bordered dataTable no-footer\"\u003e\n\u003ctbody id=\"applicableModelsforIDD\"\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e1\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eAchiever 150 (Sep, 2016)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e2\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eAchiever (Nov, 2014)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e3\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXpulse 200 (May,2019)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e4\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eGlamour i3S (Mar, 2017)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e5\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eGlamour (Nov, 2014)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e6\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eGlamour (Mar, 2017)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e7\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eGlamour (Mar, 2019)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e8\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eGlamour FI (Sep, 2016)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e9\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eGlamour FI (Nov, 2014)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e10\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eGlamour FI BSIV (Oct, 2018)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e11\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eGlamour FI (Mar, 2017)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e12\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eGlamour iBS (Feb, 2019)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e13\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eGlamour IBS NEW (Aug,2019)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e14\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eHunk (Nov, 2015)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e15\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eKarizma (May, 2014)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e16\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eKarizma ZMR (May, 2014)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e17\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eKarizma ZMR (Apr, 2018)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e18\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXpulse 200T (May, 2019)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e19\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eSuper Splendor (Jan, 2014)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e20\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eSuper Splendor (Nov, 2017)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e21\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eSuper Splendor (Mar,2017)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e22\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eSuper Splendor (Sep, 2016)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e23\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eSuper Splendor iBS (Feb, 2019)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e24\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eSuper Splendor iBS (Mar, 2019)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e25\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXPULSE 2004V DAKAR EDITION(Jan.,2025)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e26\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXpulse 200 2V BSVI (Jun, 2020)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e27\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXpulse 200FI (May, 2019)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e28\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXpulse 200T FI BSVI (Feb, 2021)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e29\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXTREME 160R(Oct.,2024)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e30\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXTREME 160R(JULY,2025)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e31\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXtreme (Apr, 2014)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e32\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXtreme Sports (Feb, 2015)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\" role=\"row\"\u003e\n\u003cth class=\"sorting_1\"\u003e33\u003c\/th\u003e\n\u003ctd\u003e\u003ca\u003eXtreme Sports (Jan, 2017)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment caution:\u003c\/strong\u003e \u003c\/p\u003e\n\u003ch3\u003eVariants\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNo LH\/RH variant found.\u003c\/li\u003e\n\u003cli\u003eSold as \u003cstrong\u003e1 start magnet switch \/ starter relay unit\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eNo color variant relevant to this product type.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Hero Genuine Start Magnet Switch Assembly \/ Starter Relay\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \/ Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMatch \u003cstrong\u003e35850KR3870S\u003c\/strong\u003e with the old relay before ordering.\u003c\/li\u003e\n\u003cli\u003eBest for bikes facing \u003cstrong\u003estarter relay \/ self-start circuit\u003c\/strong\u003e issues.\u003c\/li\u003e\n\u003cli\u003eCheck connector style, mounting bracket, and wiring layout before purchase on older Hero bikes.\u003c\/li\u003e\n\u003cli\u003eLocal mechanic fitting is usually straightforward, but electrical diagnosis is recommended if the starting issue may involve the battery, starter motor, or wiring harness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. Is 35850KR3870S a genuine Hero part?\u003c\/strong\u003e\u003cbr\u003eYes, this is a genuine Hero \u003cstrong\u003eSW. ASSY. START MAG\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. What is this part called in normal market language?\u003c\/strong\u003e\u003cbr\u003eIt is commonly referred to as a \u003cstrong\u003estarter relay\u003c\/strong\u003e, \u003cstrong\u003eself start relay\u003c\/strong\u003e, or \u003cstrong\u003estart magnet switch\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. Does it fit Super Splendor and Glamour?\u003c\/strong\u003e\u003cbr\u003eYes, public fitment history clearly includes \u003cstrong\u003eSuper Splendor\u003c\/strong\u003e and \u003cstrong\u003eGlamour\u003c\/strong\u003e for this SKU.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4. Is it also used in Hunk and Karizma?\u003c\/strong\u003e\u003cbr\u003eYes, both \u003cstrong\u003eHunk\u003c\/strong\u003e and \u003cstrong\u003eKarizma \/ Karizma ZMR\u003c\/strong\u003e appear in public fitment references for \u003cstrong\u003e35850KR3870S\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5. Does it fit Achiever and X-Treme too?\u003c\/strong\u003e\u003cbr\u003eYes, public fitment history also includes \u003cstrong\u003eAchiever\u003c\/strong\u003e and \u003cstrong\u003eX-Treme\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6. Is this the same as a handlebar starter button?\u003c\/strong\u003e\u003cbr\u003eNo. This SKU is a \u003cstrong\u003estart magnet switch \/ starter relay\u003c\/strong\u003e, not the handlebar switch button assembly.\u003c\/p\u003e","brand":"Hero","offers":[{"title":"Default Title","offer_id":51183233761575,"sku":"35850KR3870S","price":262.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/Hero_Genuine_Start_Magnet_Switch_Assembly_Starter_Relay_for_Super_Splendor_Glamour_Hunk_Karizma_Achiever_X-Treme_Impulse_35850KR3870S.avif?v=1774191852","url":"https:\/\/underthehood.co.in\/products\/hero-start-magnet-switch-assy-starter-relay-35850kr3870s","provider":"UNDER THE HOOD","version":"1.0","type":"link"}