{"product_id":"royal-enfield-thunderbird-350-500-air-filter-lid-581006b","title":"Royal Enfield Thunderbird 350 \u0026 500 Genuine Air Filter Lid 581006\/B","description":"\u003ch1\u003eRoyal Enfield Thunderbird 350 \u0026amp; 500 Genuine Air Filter Lid 581006\/B\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eRoyal Enfield 581006\/B Air Filter Lid\u003c\/strong\u003e is a genuine OEM outer lid for the air-filter assembly used on catalogue-confirmed \u003cstrong\u003eThunderbird 350\u003c\/strong\u003e and \u003cstrong\u003eThunderbird 500\u003c\/strong\u003e UCE motorcycles.\u003c\/p\u003e\n\u003cp\u003eThis component closes the outer side of the compatible air-filter housing and helps keep the filter assembly correctly covered and secured. It is suitable for replacing an original lid that is cracked, broken, warped, missing or unable to mount securely.\u003c\/p\u003e\n\u003ch2\u003eWhat This Product Is\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Royal Enfield air-filter lid\u003c\/li\u003e\n\u003cli\u003eOuter closing lid for the compatible air-filter housing\u003c\/li\u003e\n\u003cli\u003eBase part number: \u003cstrong\u003e581006\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCurrent genuine revision: \u003cstrong\u003e581006\/B\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOne replacement air-filter lid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat This Product Is Not\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNot the air-filter element\u003c\/li\u003e\n\u003cli\u003eNot the smaller filter-element cover\u003c\/li\u003e\n\u003cli\u003eNot the air-filter body\u003c\/li\u003e\n\u003cli\u003eNot the complete air-filter assembly\u003c\/li\u003e\n\u003cli\u003eNot the decorative painted side-panel or complete air-filter box with sticker\u003c\/li\u003e\n\u003cli\u003eNot the intake bellow or hose\u003c\/li\u003e\n\u003cli\u003eNot a universal aftermarket air-box cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Royal Enfield OEM spare\u003c\/li\u003e\n\u003cli\u003eFactory-designed mounting profile\u003c\/li\u003e\n\u003cli\u003eHelps close and protect the compatible air-filter assembly\u003c\/li\u003e\n\u003cli\u003eDirect replacement where the parts catalogue lists 581006\u003c\/li\u003e\n\u003cli\u003eSuitable for accident repair, restoration and replacement of a damaged lid\u003c\/li\u003e\n\u003cli\u003eSeparate from the filter element and filter-element cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eConfirmed Compatibility\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMotorcycle\u003c\/th\u003e\n\u003cth\u003eEngine \/ Application\u003c\/th\u003e\n\u003cth\u003eStatus\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield Thunderbird 350\u003c\/td\u003e\n\u003ctd\u003eUCE 350 air-filter assembly\u003c\/td\u003e\n\u003ctd\u003eConfirmed by the model-specific Thunderbird 350 and 500 parts catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield Thunderbird 500\u003c\/td\u003e\n\u003ctd\u003eUCE 500 \/ EFI air-filter assembly\u003c\/td\u003e\n\u003ctd\u003eConfirmed by the model-specific Thunderbird 350 and 500 parts catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eCompatibility Requiring Verification\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMotorcycle\u003c\/th\u003e\n\u003cth\u003eFitment Guidance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eThunderbird X 350\u003c\/td\u003e\n\u003ctd\u003eVerify the existing lid shape, air-filter body and mounting points before dispatch.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThunderbird X 500\u003c\/td\u003e\n\u003ctd\u003eMatch the existing component and model-specific catalogue before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRumbler 500\u003c\/td\u003e\n\u003ctd\u003eConfirm the export-model air-filter assembly and old part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassic 500 EFI \/ UCE\u003c\/td\u003e\n\u003ctd\u003eRelated air-filter components appear in UCE parts references, but do not promise this outer lid without matching the existing air-box design.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFitment Not Confirmed\u003c\/h2\u003e\n\u003cp\u003eDo not automatically order this part for Classic 350 UCE, Bullet 350 UCE, Electra 350 UCE, Continental GT 535, Himalayan 411, Scram 411, Classic 350 Reborn, Meteor 350, Hunter 350, Bullet 350 J-Series, Himalayan 450, Guerrilla 450 or any Royal Enfield 650 Twin. Similar-looking covers may have different shapes, mounting points or air-box designs.\u003c\/p\u003e\n\u003ch2\u003ePart Number and Revision Notes\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e581006\u003c\/td\u003e\n\u003ctd\u003eBase parts-book code for the air-filter lid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e581006\/B\u003c\/td\u003e\n\u003ctd\u003eCurrent genuine revision listed in Royal Enfield parts and price references\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eRelated Air-Filter Parts\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e581005\/D\u003c\/td\u003e\n\u003ctd\u003eAir-filter body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e581007\/A\u003c\/td\u003e\n\u003ctd\u003eAir-filter element\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e581008\/A\u003c\/td\u003e\n\u003ctd\u003eFilter-element cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e581004\/E or later revision\u003c\/td\u003e\n\u003ctd\u003eAir-filter assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e581114\/A\u003c\/td\u003e\n\u003ctd\u003eComplete air-filter assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e888127\u003c\/td\u003e\n\u003ctd\u003e500cc air-filter element with matching element cover kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e581009\/A\u003c\/td\u003e\n\u003ctd\u003eO-ring in the air-filter assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eImportant Difference: Air-Filter Lid vs Filter-Element Cover\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e581006\/B\u003c\/strong\u003e is the larger outer air-filter lid. It should not be confused with \u003cstrong\u003e581008\/A\u003c\/strong\u003e, which is the smaller cover used directly with the filter element. Confirm which cover is missing or damaged before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhen Should This Part Be Replaced?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe lid is cracked, broken or warped\u003c\/li\u003e\n\u003cli\u003eThe mounting point is damaged\u003c\/li\u003e\n\u003cli\u003eThe lid no longer sits correctly against the air-filter body\u003c\/li\u003e\n\u003cli\u003eThe original lid is missing\u003c\/li\u003e\n\u003cli\u003eThe lid was damaged during an accident or side-panel repair\u003c\/li\u003e\n\u003cli\u003ePrevious overtightening has damaged the mounting area\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat You Will Receive\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1 × Genuine Royal Enfield Air Filter Lid 581006\/B\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe air-filter element, filter-element cover, air-filter body, complete air-filter assembly, O-ring, screws, nuts, painted outer air-box panel and mounting hardware are not included unless physically present in the sealed Royal Enfield pack.\u003c\/p\u003e\n\u003ch2\u003eInstallation Note\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompare the replacement lid with the existing component before installation.\u003c\/li\u003e\n\u003cli\u003eInspect the air-filter body and mounting points for cracks or distortion.\u003c\/li\u003e\n\u003cli\u003eConfirm the filter element and smaller filter-element cover are correctly installed.\u003c\/li\u003e\n\u003cli\u003eClean dust from the mating surfaces without allowing contamination into the clean side of the intake.\u003c\/li\u003e\n\u003cli\u003ePosition the lid correctly and install the specified fastener.\u003c\/li\u003e\n\u003cli\u003eDo not overtighten the lid or mounting hardware.\u003c\/li\u003e\n\u003cli\u003eEnsure the lid sits evenly and does not rattle after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReturn-Prevention Note\u003c\/h2\u003e\n\u003cp\u003eThis listing is for the \u003cstrong\u003eouter air-filter lid only\u003c\/strong\u003e. It is not the air-filter element, the smaller filter-element cover or the complete air-filter box. Before ordering, confirm the motorcycle model, existing lid shape, mounting-hole position, air-filter-body design and exact part number. The parts book may show base code \u003cstrong\u003e581006\u003c\/strong\u003e, while the supplied genuine pack may be marked \u003cstrong\u003e581006\/B\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs 581006\/B a genuine Royal Enfield part?\u003c\/h3\u003e\n\u003cp\u003eYes. Genuine-parts references identify 581006\/B as the Royal Enfield air-filter lid.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit Thunderbird 350?\u003c\/h3\u003e\n\u003cp\u003eYes. The Thunderbird 350 and 500 parts catalogue lists one 581006\/B air-filter lid for the Thunderbird 350 application.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit Thunderbird 500?\u003c\/h3\u003e\n\u003cp\u003eYes. The same model-specific catalogue lists one 581006\/B air-filter lid for Thunderbird 500.\u003c\/p\u003e\n\u003ch3\u003eIs this the air-filter element?\u003c\/h3\u003e\n\u003cp\u003eNo. The replaceable filter element is a separate part, 581007\/A.\u003c\/p\u003e\n\u003ch3\u003eIs this the smaller filter-element cover?\u003c\/h3\u003e\n\u003cp\u003eNo. The smaller filter-element cover is listed separately as 581008\/A.\u003c\/p\u003e\n\u003ch3\u003eDoes it include the complete air-filter box?\u003c\/h3\u003e\n\u003cp\u003eNo. This listing is only for the outer lid.\u003c\/p\u003e\n\u003ch3\u003eWill it fit Classic 500?\u003c\/h3\u003e\n\u003cp\u003eDo not assume fitment without comparing the existing air-filter-box design and old part number. This listing keeps Thunderbird 350 and 500 as the confirmed applications.\u003c\/p\u003e\n\u003ch3\u003eWhy does the catalogue show 581006 while the pack says 581006\/B?\u003c\/h3\u003e\n\u003cp\u003eThe base part number may be shown without the suffix in some references, while the supplied genuine replacement carries the engineering revision \/B.\u003c\/p\u003e\n\u003cp\u003e581006, 581006\/B, 581006B, Royal Enfield air filter lid, Thunderbird 350 air box lid, Thunderbird 500 air filter cover, UCE air-filter housing lid, Royal Enfield genuine air-box cover.\u003c\/p\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":51670446473511,"sku":"581006\/B","price":175.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/581006_Air_Filter_LID.png?v=1784544130","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-thunderbird-350-500-air-filter-lid-581006b","provider":"UNDER THE HOOD","version":"1.0","type":"link"}