{"product_id":"royal-enfield-classic-500-efi-inlet-bellow-591671-c","title":"Royal Enfield Classic 500 EFI Inlet Bellow 591671\/C","description":"\u003ch1\u003eRoyal Enfield Classic 500 EFI Inlet Bellow 591671\/C\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003eRoyal Enfield 591671\/C Inlet Bellow\u003c\/strong\u003e is a genuine Royal Enfield air-intake rubber bellow \/ inlet hose for catalogue-matched \u003cstrong\u003eClassic 500 EFI\u003c\/strong\u003e applications. It is commonly searched as Classic 500 EFI inlet bellow, Royal Enfield air inlet hose, intake bellow, throttle body hose, air filter hose, rubber inlet bellow, or Royal Enfield 591671\/C.\u003c\/p\u003e\n\n\u003cp\u003eThis part is used in the air-intake path where the correct inlet bellow is specified by the parts catalogue. It should be ordered when the existing inlet bellow is cracked, hardened, loose, leaking, split, missing, or when the old part \/ EPC confirms \u003cstrong\u003e591671\/C\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat This Product Is\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine Royal Enfield spare part\u003c\/li\u003e\n  \u003cli\u003eFull part number: \u003cstrong\u003e591671\/C\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eBase\/search number: \u003cstrong\u003e591671\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eFactory description: \u003cstrong\u003eInlet Bellow\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eAir intake rubber bellow \/ inlet hose component\u003c\/li\u003e\n  \u003cli\u003eUsed on catalogue-matched Classic 500 EFI intake applications\u003c\/li\u003e\n  \u003cli\u003eReplacement for cracked, hardened, damaged or leaking intake bellow\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 complete air filter box\u003c\/li\u003e\n  \u003cli\u003eNot the throttle body\u003c\/li\u003e\n  \u003cli\u003eNot the injector or fuel pump\u003c\/li\u003e\n  \u003cli\u003eNot the carburettor intake rubber for carb models\u003c\/li\u003e\n  \u003cli\u003eNot a universal rubber hose\u003c\/li\u003e\n  \u003cli\u003eNot for Classic 350, Bullet 350, Meteor, Hunter, Himalayan, 450 or 650 models unless the exact catalogue confirms 591671\/C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eOriginal Royal Enfield part number 591671\/C\u003c\/li\u003e\n  \u003cli\u003eFactory-listed as Inlet Bellow\u003c\/li\u003e\n  \u003cli\u003eDesigned for compatible Classic 500 EFI intake applications\u003c\/li\u003e\n  \u003cli\u003eHelps maintain correct air-intake sealing where the original bellow is damaged\u003c\/li\u003e\n  \u003cli\u003eUseful for air-leak complaints, cracked rubber replacement and restoration work\u003c\/li\u003e\n  \u003cli\u003eDirect OEM-type replacement where 591671\/C is specified\u003c\/li\u003e\n  \u003cli\u003eMust be matched by exact part number and model\/engine setup before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuyer Search Names \/ Internal Search Keywords\u003c\/h2\u003e\n\u003cp\u003eRoyal Enfield 591671\/C, 591671C, 591671, Classic 500 EFI inlet bellow, Classic 500 EFI air inlet hose, Classic 500 EFI intake hose, Royal Enfield air intake bellow, throttle body hose, air filter hose, rubber inlet bellow, intake rubber Classic 500 EFI, UCE 500 EFI inlet hose.\u003c\/p\u003e\n\n\u003ch2\u003eConfirmed Compatibility\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003cth\u003eModel \/ Engine\u003c\/th\u003e\n      \u003cth\u003ePart Location\u003c\/th\u003e\n      \u003cth\u003eFitment Status\u003c\/th\u003e\n      \u003cth\u003eImportant Note\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRoyal Enfield\u003c\/td\u003e\n      \u003ctd\u003eClassic 500 EFI\u003c\/td\u003e\n      \u003ctd\u003eAir intake \/ inlet bellow\u003c\/td\u003e\n      \u003ctd\u003eConfirmed by The Spares Company listing for 591671\u003c\/td\u003e\n      \u003ctd\u003eMatch exact part number before ordering\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRoyal Enfield\u003c\/td\u003e\n      \u003ctd\u003eClassic 500 EFI\u003c\/td\u003e\n      \u003ctd\u003eAir inlet hose \/ intake bellow\u003c\/td\u003e\n      \u003ctd\u003eSupported by eBay listing for 591671\/C\u003c\/td\u003e\n      \u003ctd\u003eSeller describes it as Royal Enfield air inlet hose bellow Classic 500 EFI, new type\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFitment Not Confirmed \/ Check Before Ordering\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eModel \/ Use Case\u003c\/th\u003e\n      \u003cth\u003eStatus\u003c\/th\u003e\n      \u003cth\u003eReason to Check\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eClassic 500 non-EFI \/ carb variants\u003c\/td\u003e\n      \u003ctd\u003eDo not assume\u003c\/td\u003e\n      \u003ctd\u003eEFI and carb intake arrangements can differ.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBullet 500 EFI \/ other 500 UCE EFI models\u003c\/td\u003e\n      \u003ctd\u003eCheck before ordering\u003c\/td\u003e\n      \u003ctd\u003ePublic checked source specifically confirmed Classic 500 EFI; verify other 500 EFI models by EPC.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMotorcycle with aftermarket air filter or intake conversion\u003c\/td\u003e\n      \u003ctd\u003eCheck before ordering\u003c\/td\u003e\n      \u003ctd\u003eModified intake setups may not use the original inlet bellow.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAir leak \/ idle complaint diagnosis\u003c\/td\u003e\n      \u003ctd\u003eDiagnose before ordering\u003c\/td\u003e\n      \u003ctd\u003eIdle issues can also come from throttle body, injector, fuel pump, air filter, MAP\/TPS sensor, clamps or cracked airbox parts.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eNot Compatible \/ Do Not Order For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eClassic 350 UCE or Classic 350 Reborn \/ J-Series unless exact catalogue confirms 591671\/C\u003c\/li\u003e\n  \u003cli\u003eBullet 350 UCE or Bullet 350 J-Series unless exact catalogue confirms 591671\/C\u003c\/li\u003e\n  \u003cli\u003eMeteor 350 or Hunter 350\u003c\/li\u003e\n  \u003cli\u003eHimalayan 411 \/ Scram 411\u003c\/li\u003e\n  \u003cli\u003eHimalayan 450 \/ Guerrilla 450\u003c\/li\u003e\n  \u003cli\u003eInterceptor 650 \/ Continental GT 650\u003c\/li\u003e\n  \u003cli\u003eSuper Meteor 650, Shotgun 650, Bear 650 or Classic 650\u003c\/li\u003e\n  \u003cli\u003eCustomers looking for air filter element, airbox, throttle body, injector, fuel pump, carburettor rubber or universal hose\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number \/ Supersession Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eUser-searched number: \u003cstrong\u003e591671\/C\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eBase\/search form: \u003cstrong\u003e591671\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eBike-Parts description: \u003cstrong\u003eInlet Bellow\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eSAP Motors description: \u003cstrong\u003e591671\/C - Inlet Bellow\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eThe Spares Company description: \u003cstrong\u003eInlet Bellow\u003c\/strong\u003e, part number 591671, Classic 500 EFI\u003c\/li\u003e\n  \u003cli\u003eSearch variants: 591671\/C, 591671C, 591671-C, 591671.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSimilar Parts Comparison\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePart \/ Search Term\u003c\/th\u003e\n      \u003cth\u003eDescription\u003c\/th\u003e\n      \u003cth\u003eOrder When\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e591671\/C\u003c\/td\u003e\n      \u003ctd\u003eInlet bellow \/ intake rubber hose\u003c\/td\u003e\n      \u003ctd\u003eThe intake bellow itself is cracked, leaking or catalogue-confirmed.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAir filter element\u003c\/td\u003e\n      \u003ctd\u003eFilter media inside airbox\u003c\/td\u003e\n      \u003ctd\u003eThe filter is dirty or due for service, not the rubber bellow.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAir filter box\u003c\/td\u003e\n      \u003ctd\u003eComplete intake airbox housing\u003c\/td\u003e\n      \u003ctd\u003eThe plastic box\/housing is broken.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eThrottle body\u003c\/td\u003e\n      \u003ctd\u003eEFI throttle body assembly\u003c\/td\u003e\n      \u003ctd\u003eThe throttle body itself is diagnosed faulty.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eClamp \/ clip\u003c\/td\u003e\n      \u003ctd\u003eHose securing hardware\u003c\/td\u003e\n      \u003ctd\u003eThe bellow is fine but a clamp\/clip is missing or loose.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhen Should This Be Replaced?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRubber inlet bellow is cracked, torn or split\u003c\/li\u003e\n  \u003cli\u003eAir leak is found around the intake bellow area\u003c\/li\u003e\n  \u003cli\u003eBellow has hardened or lost sealing due to age\/heat\u003c\/li\u003e\n  \u003cli\u003eMotorcycle has poor idle or intake leak symptoms and the bellow is diagnosed faulty\u003c\/li\u003e\n  \u003cli\u003eRestoration requires a correct genuine Classic 500 EFI inlet bellow\u003c\/li\u003e\n  \u003cli\u003eOld part \/ EPC confirms 591671\/C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Related Parts to Check\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAir filter element condition\u003c\/li\u003e\n  \u003cli\u003eAirbox cracks or damage\u003c\/li\u003e\n  \u003cli\u003eThrottle body seating and cleanliness\u003c\/li\u003e\n  \u003cli\u003eHose clamps \/ clips at both ends of the bellow\u003c\/li\u003e\n  \u003cli\u003eInjector and fuel system if the complaint is poor running\u003c\/li\u003e\n  \u003cli\u003eSensor connections and intake leak diagnosis if idle is unstable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 genuine Royal Enfield 591671\/C Inlet Bellow\u003c\/li\u003e\n  \u003cli\u003eAir filter element, airbox, throttle body, clamps, sensors, fuel parts and complete intake kit are not included unless separately mentioned\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm EFI model and old part number before fitting.\u003c\/li\u003e\n  \u003cli\u003eInspect both sealing ends and clamps during installation.\u003c\/li\u003e\n  \u003cli\u003eDo not fit on carburettor models unless the catalogue confirms the same part number.\u003c\/li\u003e\n  \u003cli\u003eAfter fitting, check for air leaks and stable idle.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if poor idle or running issue diagnosis is involved.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReturn-Prevention Note\u003c\/h2\u003e\n\u003cp\u003eOrder this part only if the required part is \u003cstrong\u003e591671\/C Inlet Bellow\u003c\/strong\u003e. This is an intake bellow \/ air inlet rubber hose, not an air filter, airbox, throttle body, injector, fuel pump, carburettor rubber or universal hose. Fitment is confirmed for Classic 500 EFI references checked; verify by EPC\/VIN before using on other 500 EFI models or modified intake systems.\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eWhat is Royal Enfield 591671\/C?\u003c\/h3\u003e\n\u003cp\u003e591671\/C is a genuine Royal Enfield Inlet Bellow, used in the air-intake path where the catalogue specifies this part.\u003c\/p\u003e\n\n\u003ch3\u003eDoes this fit Classic 500 EFI?\u003c\/h3\u003e\n\u003cp\u003eYes. The Spares Company lists part number 591671 for Classic 500 EFI, and eBay seller reference describes 591671\/C as an air inlet hose bellow for Classic 500 EFI.\u003c\/p\u003e\n\n\u003ch3\u003eIs this an air filter?\u003c\/h3\u003e\n\u003cp\u003eNo. This is the inlet bellow \/ intake rubber hose. The air filter element is a separate service part.\u003c\/p\u003e\n\n\u003ch3\u003eIs this for carburettor models?\u003c\/h3\u003e\n\u003cp\u003eDo not assume carb model fitment. The checked sources point to Classic 500 EFI, so carb applications should be verified separately.\u003c\/p\u003e\n\n\u003ch3\u003eCan this fix unstable idle?\u003c\/h3\u003e\n\u003cp\u003eOnly if the inlet bellow is cracked\/leaking and diagnosed as the cause. Idle problems can also come from throttle body, injector, fuel pump, air filter, sensors, clamps or wiring.\u003c\/p\u003e\n\n\u003ch3\u003eAre clamps included?\u003c\/h3\u003e\n\u003cp\u003eNot unless separately mentioned. This listing is for the inlet bellow only.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use a universal hose?\u003c\/h3\u003e\n\u003cp\u003eUniversal hoses may not seal, angle or fit correctly. For OEM restoration and correct fitment, use the genuine part number 591671\/C where specified.\u003c\/p\u003e\n\n\u003ch2\u003eSEO Tags\u003c\/h2\u003e\n\u003cp\u003eRoyal Enfield, Genuine Royal Enfield Parts, Royal Enfield 591671\/C, 591671\/C, 591671C, 591671, Inlet Bellow, Air Inlet Bellow, Inlet Bellows, Air Intake Bellow, Intake Bellow, Inlet Air Hose, Air Inlet Hose, Throttle Body Hose, Intake Hose, Air Filter Hose, Classic 500 EFI Inlet Bellow, Classic 500 EFI Air Hose, Classic 500 EFI Intake Hose, Royal Enfield Classic 500 EFI, Classic 500 EFI, Classic 500, EFI 500, UCE 500 EFI, Intake System Part, Air Intake Part, Rubber Bellow, Engine Intake Rubber\u003c\/p\u003e\n\n\u003ch2\u003eImage Alt Text Suggestions\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRoyal Enfield 591671\/C inlet bellow for Classic 500 EFI\u003c\/li\u003e\n  \u003cli\u003eRoyal Enfield Classic 500 EFI air inlet hose bellow 591671\/C\u003c\/li\u003e\n  \u003cli\u003eGenuine Royal Enfield intake rubber bellow 591671C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGoogle Shopping Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Royal Enfield\u003c\/li\u003e\n  \u003cli\u003eMPN: 591671\/C\u003c\/li\u003e\n  \u003cli\u003eCondition: New\u003c\/li\u003e\n  \u003cli\u003eProduct category: Vehicles \u0026amp; Parts \u0026gt; Vehicle Parts \u0026amp; Accessories \u0026gt; Motor Vehicle Parts\u003c\/li\u003e\n  \u003cli\u003eCustom product: False\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":51547111129383,"sku":"591671\/C","price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-classic-500-efi-inlet-bellow-591671-c","provider":"UNDER THE HOOD","version":"1.0","type":"link"}