{"product_id":"royal-enfield-570198-c-tappet-door-screw-classic-bullet-electra-thunderbird-gt","title":"Tappet Door Screw \/ CSK Socket Head Screw M5 x 0.8 x 12 for Classic 350\/500, Bullet 350\/500 UCE, Electra, Thunderbird \u0026 Continental GT 535 – Genuine Royal Enfield 570198\/C","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eRoyal Enfield \u003cstrong\u003e570198\/C\u003c\/strong\u003e is a genuine OEM \u003cstrong\u003etappet door screw\u003c\/strong\u003e, officially listed as a \u003cstrong\u003eCSK socket head screw M5 x 0.8 x 12\u003c\/strong\u003e. This is the small countersunk Allen screw used at the \u003cstrong\u003etappet door \/ tappet cover\u003c\/strong\u003e area on many older Royal Enfield UCE and GT 535 models.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(250, 10, 10);\"\u003e\u003cstrong\u003eSOLD AS A SET OF 4 PCS \u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is the correct OEM replacement when the original tappet door screw is rounded, stripped, rusted, missing, or damaged during tappet cover removal, oil leak repair, or engine-side service. Buyers may search for it as tappet door screw, tappet cover screw, Allen tappet screw, M5 countersunk screw, or Royal Enfield tappet screw.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBefore you buy:\u003c\/strong\u003e match \u003cstrong\u003e570198\/C\u003c\/strong\u003e, confirm your fastening point is the \u003cstrong\u003etappet door \/ tappet cover\u003c\/strong\u003e screw position, and check the countersunk Allen head style before ordering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Royal Enfield OEM part number 570198\/C\u003c\/li\u003e\n\u003cli\u003eOlder 570198\/B is replaced by 570198\/C\u003c\/li\u003e\n\u003cli\u003eOfficial spec: CSK socket head screw M5 x 0.8 x 12\u003c\/li\u003e\n\u003cli\u003eBest buyer-facing use: tappet door screw \/ tappet cover screw\u003c\/li\u003e\n\u003cli\u003eCountersunk Allen head design\u003c\/li\u003e\n\u003cli\u003eSuitable for replacing stripped, rusted, or missing tappet cover screws\u003c\/li\u003e\n\u003cli\u003eBetter fit than random local hardware substitutes\u003c\/li\u003e\n\u003cli\u003eUsed across older Classic, Bullet UCE, Electra, Thunderbird, and GT 535 applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003ePlatform\/Engine\u003c\/th\u003e\n\u003cth\u003eBS\/Emission\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eStatus\u003c\/th\u003e\n\u003cth\u003eNotes\/Constraints\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassic 350\u003c\/td\u003e\n\u003ctd\u003eUCE 350\u003c\/td\u003e\n\u003ctd\u003eUCE-era\u003c\/td\u003e\n\u003ctd\u003eOlder generation\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003eExplicit dealer fitment; tappet-door application supported by crankcase-right diagrams.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassic 500 EFI\u003c\/td\u003e\n\u003ctd\u003eUCE 500 EFI\u003c\/td\u003e\n\u003ctd\u003eUCE-era\u003c\/td\u003e\n\u003ctd\u003eOlder generation\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003eExplicit dealer fitment; tappet-door application supported by crankcase-right diagrams.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBullet 350 UCE (KS)\u003c\/td\u003e\n\u003ctd\u003eUCE 350\u003c\/td\u003e\n\u003ctd\u003eUCE-era\u003c\/td\u003e\n\u003ctd\u003eOlder generation\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003eExplicit dealer fitment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBullet 350 UCE (ES)\u003c\/td\u003e\n\u003ctd\u003eUCE 350\u003c\/td\u003e\n\u003ctd\u003eUCE-era\u003c\/td\u003e\n\u003ctd\u003eOlder generation\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003eExplicit dealer fitment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBullet 500 UCE\u003c\/td\u003e\n\u003ctd\u003eUCE 500\u003c\/td\u003e\n\u003ctd\u003eUCE-era\u003c\/td\u003e\n\u003ctd\u003eOlder generation\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003eExplicit dealer fitment; tappet-door diagram support on Bullet 500 Euro 3.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectra 350 UCE (ES)\u003c\/td\u003e\n\u003ctd\u003eUCE 350\u003c\/td\u003e\n\u003ctd\u003eUCE-era\u003c\/td\u003e\n\u003ctd\u003eOlder generation\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003eExplicit dealer fitment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThunderbird Twinspark (TBTS)\u003c\/td\u003e\n\u003ctd\u003eUCE\/Twinspark family\u003c\/td\u003e\n\u003ctd\u003eOlder generation\u003c\/td\u003e\n\u003ctd\u003eLegacy\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003eExplicit dealer fitment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNew Thunderbird 350 (NTB 350)\u003c\/td\u003e\n\u003ctd\u003eUCE 350\u003c\/td\u003e\n\u003ctd\u003eOlder generation\u003c\/td\u003e\n\u003ctd\u003eLegacy\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003eExplicit dealer fitment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNew Thunderbird 500 (NTB 500)\u003c\/td\u003e\n\u003ctd\u003eUCE 500\u003c\/td\u003e\n\u003ctd\u003eOlder generation\u003c\/td\u003e\n\u003ctd\u003eLegacy\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003eExplicit dealer fitment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinental GT 535\u003c\/td\u003e\n\u003ctd\u003eUCE 535\u003c\/td\u003e\n\u003ctd\u003eOlder generation\u003c\/td\u003e\n\u003ctd\u003eLegacy\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003eExplicit dealer fitment and direct tappet-door diagram usage.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther Royal Enfield models\u003c\/td\u003e\n\u003ctd\u003eMixed\u003c\/td\u003e\n\u003ctd\u003eMixed\u003c\/td\u003e\n\u003ctd\u003eMixed\u003c\/td\u003e\n\u003ctd\u003eUnverified\u003c\/td\u003e\n\u003ctd\u003eNo equally strong surfaced proof in this pass.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eVariants\u003c\/h2\u003e\n\u003cp\u003eNo variants. Supersession: 570198\/B to 570198\/C.\u003c\/p\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eWhat is 570198\/C exactly?\u003c\/h3\u003e\n\u003cp\u003eIt is the genuine Royal Enfield tappet door screw, officially a CSK socket head screw M5 x 0.8 x 12.\u003c\/p\u003e\n\u003ch3\u003eIs 570198\/C used on the tappet door?\u003c\/h3\u003e\n\u003cp\u003eYes. Multiple crankcase-right parts diagrams place 570198\/C directly with the tappet door assembly.\u003c\/p\u003e\n\u003ch3\u003eIs 570198\/B the old number for this screw?\u003c\/h3\u003e\n\u003cp\u003eYes. Public parts pages show 570198\/B replaced by 570198\/C.\u003c\/p\u003e\n\u003ch3\u003eWill this fit Classic 350 and Classic 500?\u003c\/h3\u003e\n\u003cp\u003eYes. Surfaced dealer fitment explicitly includes Classic 350 and Classic 500 EFI.\u003c\/p\u003e\n\u003ch3\u003eCan I use any M5 countersunk screw from a hardware shop?\u003c\/h3\u003e\n\u003cp\u003eNot ideal. OEM is safer for correct head shape, finish, and application match at the tappet door fastening point.\u003c\/p\u003e\n\u003ch3\u003eHow do I avoid ordering the wrong screw?\u003c\/h3\u003e\n\u003cp\u003eMatch 570198\/C, confirm you need the tappet door \/ tappet cover screw, and check the countersunk Allen head style before ordering.\u003c\/p\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":51180882559271,"sku":"570198\/C","price":40.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/Tappet_Door_Screw_CSK_Socket_Head_Screw_M5_x_0.8_x_12_for_Classic_350_500_Bullet_350_500_UCE_Electra_Thunderbird_Continental_GT_535.jpg?v=1774170245","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-570198-c-tappet-door-screw-classic-bullet-electra-thunderbird-gt","provider":"UNDER THE HOOD","version":"1.0","type":"link"}