{"product_id":"royal-enfield-purge-control-valve-cpv-solenoid-evap-rad00021-c","title":"Purge Control Valve \/ CPV Solenoid (EVAP Canister Valve) for Royal Enfield Meteor 350 \u0026 650 Twins – RAD00021\/C (Supersedes RAD00021\/B)","description":"\u003cp data-start=\"287\" data-end=\"708\"\u003eRoyal Enfield \u003cstrong data-start=\"301\" data-end=\"315\"\u003eRAD00021\/C\u003c\/strong\u003e is the \u003cstrong data-start=\"323\" data-end=\"392\"\u003ePurge Control Valve (also called CPV Solenoid \/ EVAP purge valve)\u003c\/strong\u003e—a key emissions component that controls fuel vapour flow from the charcoal canister into the intake to be burned during combustion. When this valve sticks or leaks, riders commonly face \u003cstrong data-start=\"579\" data-end=\"658\"\u003efuel smell, inconsistent idle, hard starting, or EVAP-related warning codes\u003c\/strong\u003e, especially after refuelling or in hot weather.\u003c\/p\u003e\n\u003cp data-start=\"710\" data-end=\"948\"\u003eThis is a \u003cstrong data-start=\"720\" data-end=\"745\"\u003egenuine Royal Enfield\u003c\/strong\u003e spare part by part number and description. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e It is also documented as a supersession: \u003cstrong data-start=\"868\" data-end=\"907\"\u003eRAD00021\/B → replaced by RAD00021\/C\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"950\" data-end=\"1084\"\u003eAlso searched as: \u003cstrong data-start=\"968\" data-end=\"1081\"\u003epurge valve, evap purge solenoid, canister purge valve, CPV solenoid, vapor purge valve, emission purge valve\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1086\" data-end=\"1234\"\u003e\u003cstrong data-start=\"1086\" data-end=\"1105\"\u003eBefore you buy:\u003c\/strong\u003e match \u003cstrong data-start=\"1112\" data-end=\"1127\"\u003epart number\u003c\/strong\u003e, and confirm by \u003cstrong data-start=\"1144\" data-end=\"1233\"\u003eVIN\/EPC screenshot or a clear photo of your existing valve + connector + hose routing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1236\" data-end=\"1373\"\u003eInternal link suggestions (collections): Royal Enfield Meteor 350 Spares, Royal Enfield 650 Twins Spares, Royal Enfield Fuel \u0026amp; Emissions.\u003c\/p\u003e\n\u003ch2 data-start=\"1375\" data-end=\"1410\"\u003eKey Features \u003c\/h2\u003e\n\u003cul data-start=\"1411\" data-end=\"2162\"\u003e\n\u003cli data-start=\"1411\" data-end=\"1529\"\u003e\n\u003cp data-start=\"1413\" data-end=\"1529\"\u003eGenuine Royal Enfield \u003cstrong data-start=\"1435\" data-end=\"1473\"\u003ePurge Control Valve \/ CPV Solenoid\u003c\/strong\u003e by part number. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1530\" data-end=\"1635\"\u003e\n\u003cp data-start=\"1532\" data-end=\"1635\"\u003e\u003cstrong data-start=\"1532\" data-end=\"1557\"\u003eSupersedes RAD00021\/B\u003c\/strong\u003e (useful when old listings show “\/B”). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1636\" data-end=\"1755\"\u003e\n\u003cp data-start=\"1638\" data-end=\"1755\"\u003eControls EVAP vapour purge from canister to intake (emissions + drivability). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1756\" data-end=\"1883\"\u003e\n\u003cp data-start=\"1758\" data-end=\"1883\"\u003eHelps address \u003cstrong data-start=\"1772\" data-end=\"1814\"\u003efuel smell \/ rough idle \/ purge faults\u003c\/strong\u003e caused by stuck or leaking purge valve (diagnosis still required).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1884\" data-end=\"1963\"\u003e\n\u003cp data-start=\"1886\" data-end=\"1963\"\u003eDirect-replacement part \u003cstrong data-start=\"1910\" data-end=\"1960\"\u003ewhen connector + hose ports match your OE unit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1964\" data-end=\"2070\"\u003e\n\u003cp data-start=\"1966\" data-end=\"2070\"\u003eRecommended to verify by \u003cstrong data-start=\"1991\" data-end=\"2002\"\u003eVIN\/EPC\u003c\/strong\u003e for return-prevention (many EVAP layouts vary by market\/BS\/Euro).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2071\" data-end=\"2162\"\u003e\n\u003cp data-start=\"2073\" data-end=\"2162\"\u003eSuitable for export buyers: search-friendly aliases included (CPV\/EVAP\/purge solenoid).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2164\" data-end=\"2200\"\u003eCompatibility Table \u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2590\" data-end=\"3935\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2590\" data-end=\"2674\"\u003e\n\u003ctr data-start=\"2590\" data-end=\"2674\"\u003e\n\u003cth data-start=\"2590\" data-end=\"2598\" data-col-size=\"sm\" class=\"\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"2598\" data-end=\"2616\" data-col-size=\"sm\" class=\"\"\u003ePlatform\/Engine\u003c\/th\u003e\n\u003cth data-start=\"2616\" data-end=\"2630\" data-col-size=\"sm\" class=\"\"\u003eBS\/Emission\u003c\/th\u003e\n\u003cth data-start=\"2630\" data-end=\"2638\" data-col-size=\"sm\" class=\"\"\u003eYears\u003c\/th\u003e\n\u003cth data-start=\"2638\" data-end=\"2653\" data-col-size=\"sm\" class=\"\"\u003eStatus (✅\/❓)\u003c\/th\u003e\n\u003cth data-start=\"2653\" data-end=\"2674\" data-col-size=\"lg\" class=\"\"\u003eNotes\/Constraints\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2701\" data-end=\"3935\"\u003e\n\u003ctr data-start=\"2701\" data-end=\"2907\"\u003e\n\u003ctd data-start=\"2701\" data-end=\"2714\" data-col-size=\"sm\"\u003eMeteor 350\u003c\/td\u003e\n\u003ctd data-start=\"2714\" data-end=\"2731\" data-col-size=\"sm\"\u003eJ-Series 349cc\u003c\/td\u003e\n\u003ctd data-start=\"2731\" data-end=\"2755\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"2755\" data-end=\"2763\" data-col-size=\"sm\"\u003e2020→\u003c\/td\u003e\n\u003ctd data-start=\"2763\" data-end=\"2767\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"2767\" data-end=\"2907\" data-col-size=\"lg\"\u003eCommonly sold as Meteor fitment by multiple sellers, but \u003cstrong data-start=\"2826\" data-end=\"2866\"\u003everify by VIN + connector\/hose ports\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2908\" data-end=\"3086\"\u003e\n\u003ctd data-start=\"2908\" data-end=\"2936\" data-col-size=\"sm\"\u003eInterceptor 650 (INT 650)\u003c\/td\u003e\n\u003ctd data-start=\"2936\" data-end=\"2947\" data-col-size=\"sm\"\u003e650 Twin\u003c\/td\u003e\n\u003ctd data-start=\"2947\" data-end=\"2971\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"2971\" data-end=\"2979\" data-col-size=\"sm\"\u003e2019→\u003c\/td\u003e\n\u003ctd data-start=\"2979\" data-end=\"2983\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"2983\" data-end=\"3086\" data-col-size=\"lg\"\u003eListed by sellers; confirm EVAP layout (some markets differ). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3087\" data-end=\"3248\"\u003e\n\u003ctd data-start=\"3087\" data-end=\"3108\" data-col-size=\"sm\"\u003eContinental GT 650\u003c\/td\u003e\n\u003ctd data-start=\"3108\" data-end=\"3119\" data-col-size=\"sm\"\u003e650 Twin\u003c\/td\u003e\n\u003ctd data-start=\"3119\" data-end=\"3143\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"3143\" data-end=\"3151\" data-col-size=\"sm\"\u003e2019→\u003c\/td\u003e\n\u003ctd data-start=\"3151\" data-end=\"3155\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"3155\" data-end=\"3248\" data-col-size=\"lg\"\u003eSame caution: confirm by old part number\/connector. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3249\" data-end=\"3418\"\u003e\n\u003ctd data-start=\"3249\" data-end=\"3268\" data-col-size=\"sm\"\u003eSuper Meteor 650\u003c\/td\u003e\n\u003ctd data-start=\"3268\" data-end=\"3279\" data-col-size=\"sm\"\u003e650 Twin\u003c\/td\u003e\n\u003ctd data-start=\"3279\" data-end=\"3303\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"3303\" data-end=\"3311\" data-col-size=\"sm\"\u003e2023→\u003c\/td\u003e\n\u003ctd data-start=\"3311\" data-end=\"3315\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"3315\" data-end=\"3418\" data-col-size=\"lg\"\u003eSeen in seller listings; verify physically before ordering. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3419\" data-end=\"3573\"\u003e\n\u003ctd data-start=\"3419\" data-end=\"3433\" data-col-size=\"sm\"\u003eShotgun 650\u003c\/td\u003e\n\u003ctd data-start=\"3433\" data-end=\"3444\" data-col-size=\"sm\"\u003e650 Twin\u003c\/td\u003e\n\u003ctd data-start=\"3444\" data-end=\"3459\" data-col-size=\"sm\"\u003eBS6 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"3459\" data-end=\"3467\" data-col-size=\"sm\"\u003e2024→\u003c\/td\u003e\n\u003ctd data-start=\"3467\" data-end=\"3471\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"3471\" data-end=\"3573\" data-col-size=\"lg\"\u003eMentioned by sellers; \u003cstrong data-start=\"3495\" data-end=\"3530\"\u003eVIN\/photo verification required\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3574\" data-end=\"3754\"\u003e\n\u003ctd data-start=\"3574\" data-end=\"3590\" data-col-size=\"sm\"\u003eHimalayan 450\u003c\/td\u003e\n\u003ctd data-start=\"3590\" data-end=\"3612\" data-col-size=\"sm\"\u003e452cc liquid-cooled\u003c\/td\u003e\n\u003ctd data-start=\"3612\" data-end=\"3627\" data-col-size=\"sm\"\u003eBS6 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"3627\" data-end=\"3635\" data-col-size=\"sm\"\u003e2024→\u003c\/td\u003e\n\u003ctd data-start=\"3635\" data-end=\"3639\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"3639\" data-end=\"3754\" data-col-size=\"lg\"\u003eMentioned by some sellers; \u003cstrong data-start=\"3668\" data-end=\"3711\"\u003etreat as unverified until VIN\/EPC proof\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3755\" data-end=\"3935\"\u003e\n\u003ctd data-start=\"3755\" data-end=\"3771\" data-col-size=\"sm\"\u003eGuerrilla 450\u003c\/td\u003e\n\u003ctd data-start=\"3771\" data-end=\"3793\" data-col-size=\"sm\"\u003e452cc liquid-cooled\u003c\/td\u003e\n\u003ctd data-start=\"3793\" data-end=\"3808\" data-col-size=\"sm\"\u003eBS6 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"3808\" data-end=\"3816\" data-col-size=\"sm\"\u003e2024→\u003c\/td\u003e\n\u003ctd data-start=\"3816\" data-end=\"3820\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"3820\" data-end=\"3935\" data-col-size=\"lg\"\u003eMentioned by some sellers; \u003cstrong data-start=\"3849\" data-end=\"3892\"\u003etreat as unverified until VIN\/EPC proof\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"3937\" data-end=\"3983\"\u003e\u003cstrong data-start=\"3937\" data-end=\"3981\"\u003eExplicit exclusions (return-prevention):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3984\" data-end=\"4259\"\u003e\n\u003cli data-start=\"3984\" data-end=\"4119\"\u003e\n\u003cp data-start=\"3986\" data-end=\"4119\"\u003eDo \u003cstrong data-start=\"3989\" data-end=\"3996\"\u003enot\u003c\/strong\u003e buy by bike name alone if your motorcycle has a different EVAP\/canister routing (market\/variant differences are common).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4120\" data-end=\"4259\"\u003e\n\u003cp data-start=\"4122\" data-end=\"4259\"\u003eIf your old part shows \u003cstrong data-start=\"4145\" data-end=\"4159\"\u003eRAD00021\/B\u003c\/strong\u003e, you should receive \u003cstrong data-start=\"4180\" data-end=\"4194\"\u003eRAD00021\/C\u003c\/strong\u003e as the updated number. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"4261\" data-end=\"4277\"\u003eVariants\u003c\/h2\u003e\n\u003cp data-start=\"4278\" data-end=\"4290\"\u003eNo variants.\u003c\/p\u003e\n\u003ch2 data-start=\"4292\" data-end=\"4314\"\u003eFAQs \u003c\/h2\u003e\n\u003col data-start=\"4316\" data-end=\"6136\"\u003e\n\u003cli data-start=\"4316\" data-end=\"4603\"\u003e\n\u003cp data-start=\"4319\" data-end=\"4603\"\u003e\u003cstrong data-start=\"4319\" data-end=\"4373\"\u003eFitment: How do I confirm RAD00021\/C fits my bike?\u003c\/strong\u003e\u003cbr data-start=\"4373\" data-end=\"4376\"\u003eMatch \u003cstrong data-start=\"4382\" data-end=\"4419\"\u003eyour existing valve’s part number\u003c\/strong\u003e (RAD00021\/C or RAD00021\/B) and compare \u003cstrong data-start=\"4459\" data-end=\"4502\"\u003econnector shape + hose port orientation\u003c\/strong\u003e. Best method: share your \u003cstrong data-start=\"4528\" data-end=\"4535\"\u003eVIN\u003c\/strong\u003e with us or send a \u003cstrong data-start=\"4554\" data-end=\"4586\"\u003ephoto of the installed valve\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4605\" data-end=\"4854\"\u003e\n\u003cp data-start=\"4608\" data-end=\"4854\"\u003e\u003cstrong data-start=\"4608\" data-end=\"4657\"\u003eFitment: Is this only for BS6 \/ Euro 5 bikes?\u003c\/strong\u003e\u003cbr data-start=\"4657\" data-end=\"4660\"\u003eThis part is commonly associated with EVAP-equipped motorcycles. Because EVAP layouts vary by \u003cstrong data-start=\"4754\" data-end=\"4782\"\u003emarket and emission spec\u003c\/strong\u003e, confirm by \u003cstrong data-start=\"4795\" data-end=\"4824\"\u003eVIN\/old part number\/photo\u003c\/strong\u003e rather than assuming by year.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4856\" data-end=\"5120\"\u003e\n\u003cp data-start=\"4859\" data-end=\"5120\"\u003e\u003cstrong data-start=\"4859\" data-end=\"4931\"\u003eOEM vs aftermarket: Why buy genuine Royal Enfield for a purge valve?\u003c\/strong\u003e\u003cbr data-start=\"4931\" data-end=\"4934\"\u003ePurge valves are calibration-sensitive (leak rate\/response). Genuine parts reduce the risk of \u003cstrong data-start=\"5028\" data-end=\"5078\"\u003eidle issues, fuel smell, or repeat fault codes\u003c\/strong\u003e caused by poor sealing or incorrect flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5122\" data-end=\"5392\"\u003e\n\u003cp data-start=\"5125\" data-end=\"5392\"\u003e\u003cstrong data-start=\"5125\" data-end=\"5188\"\u003eInstallation: Can I replace the purge control valve myself?\u003c\/strong\u003e\u003cbr data-start=\"5188\" data-end=\"5191\"\u003eUsually yes with basic tools. Replace like-for-like, avoid swapping hose routing, and ensure clamps seal properly. If the bike throws a code afterward, check for \u003cstrong data-start=\"5353\" data-end=\"5369\"\u003evacuum leaks\u003c\/strong\u003e and connector seating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5394\" data-end=\"5659\"\u003e\n\u003cp data-start=\"5397\" data-end=\"5659\"\u003e\u003cstrong data-start=\"5397\" data-end=\"5454\"\u003eSymptoms: What problems does a bad purge valve cause?\u003c\/strong\u003e\u003cbr data-start=\"5454\" data-end=\"5457\"\u003eCommon signs: \u003cstrong data-start=\"5471\" data-end=\"5566\"\u003efuel vapour smell, rough\/unstable idle, hard start after refuelling, EVAP\/purge fault codes\u003c\/strong\u003e, and occasional hesitation (diagnosis required; these symptoms can overlap with hose leaks).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5661\" data-end=\"5903\"\u003e\n\u003cp data-start=\"5664\" data-end=\"5903\"\u003e\u003cstrong data-start=\"5664\" data-end=\"5733\"\u003eReturn-prevention: What should I send to confirm before shipping?\u003c\/strong\u003e\u003cbr data-start=\"5733\" data-end=\"5736\"\u003eSend \u003cstrong data-start=\"5741\" data-end=\"5870\"\u003e(1) bike model + year, (2) VIN last 6 digits, (3) photo of current purge valve with connector visible, (4) hose ports visible\u003c\/strong\u003e. We’ll match it before dispatch.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5905\" data-end=\"6136\"\u003e\n\u003cp data-start=\"5908\" data-end=\"6136\"\u003e\u003cstrong data-start=\"5908\" data-end=\"5970\"\u003eSupersession: I see RAD00021\/B online—what will I receive?\u003c\/strong\u003e\u003cbr data-start=\"5970\" data-end=\"5973\"\u003eRAD00021\/B is shown as \u003cstrong data-start=\"5996\" data-end=\"6022\"\u003ereplaced by RAD00021\/C\u003c\/strong\u003e in parts catalog listings, so RAD00021\/C is the correct updated supply. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":51011668967719,"sku":null,"price":568.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/71A87418-818C-4171-8394-65F31419467B.jpg?v=1770491992","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-purge-control-valve-cpv-solenoid-evap-rad00021-c","provider":"UNDER THE HOOD","version":"1.0","type":"link"}