{"product_id":"royal-enfield-thunderbird-500-electra-efi-crankcase-breather-pipe-581084-c","title":"Royal Enfield Thunderbird 500 \/ Electra EFI Crankcase Breather Pipe 581084\/C","description":"\u003ch1\u003eRoyal Enfield Thunderbird 500 \/ Electra EFI Crankcase Breather Pipe 581084\/C\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003eGenuine Royal Enfield 581084\/C – Breather Pipe.\u003c\/strong\u003e This is the short engine \u003cstrong\u003ecrankcase breather hose \/ breather pipe\u003c\/strong\u003e used on catalogue-specified Royal Enfield 500cc UCE applications including the \u003cstrong\u003eThunderbird 500\u003c\/strong\u003e and \u003cstrong\u003eElectra EFI 500\u003c\/strong\u003e family.\u003c\/p\u003e\n\n\u003cp\u003eThe hose connects the engine crankcase breather side to the air-filter \/ intake side, allowing crankcase vapours to be routed through the motorcycle's original breather system. Older Royal Enfield catalogue data describes this breather pipe as approximately \u003cstrong\u003e150 mm long with 14 mm outside diameter\u003c\/strong\u003e. The current service revision is \u003cstrong\u003e581084\/C\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2\u003ePart Identification\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoyal Enfield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e581084\/C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Search Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e581084\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEarlier Revisions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e581084\/A, 581084\/B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFactory \/ OEM Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBreather Pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOlder OEM Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBREATHER PIPE SHORT VOM \/ BREATHER PIPE - NT51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuyer Search Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrankcase breather hose \/ engine breather pipe \/ air-filter breather hose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrankcase-to-air-filter breather connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCatalogue Size Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. L150 × OD14 mm on the short-pipe catalogue application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eShort Hook\u003c\/h2\u003e\n\u003cp\u003eReplace a hardened, cracked or leaking old breather hose with the current genuine Royal Enfield \u003cstrong\u003e581084\/C\u003c\/strong\u003e short crankcase-to-air-filter breather pipe.\u003c\/p\u003e\n\n\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRoyal Enfield 581084\/C Breather Pipe\u003c\/strong\u003e is a genuine engine-breathing hose used in specific older 500cc Royal Enfield UCE applications. Its job is to route crankcase vapour from the engine breather outlet toward the motorcycle's air-filter \/ intake system while maintaining the original factory routing and hose dimensions.\u003c\/p\u003e\n\n\u003cp\u003eRoyal Enfield's Thunderbird 350 \/ 500 parts catalogue is especially useful for identifying this part correctly: in the same Engine Cover RH assembly, the \u003cstrong\u003eThunderbird 350 uses breather pipe 570286\/C\u003c\/strong\u003e, while the \u003cstrong\u003eThunderbird 500 uses 581084\/C\u003c\/strong\u003e. That means the two Thunderbird engine sizes must not be treated as interchangeable simply because both motorcycles use a visually similar breather hose.\u003c\/p\u003e\n\n\u003cp\u003eThe factory Electra EFI catalogue also lists base part number \u003cstrong\u003e581084\u003c\/strong\u003e as the engine breather pipe, quantity one. Current Royal Enfield genuine-parts data identifies \u003cstrong\u003e581084\/C\u003c\/strong\u003e as the active service part and shows both older \u003cstrong\u003e581084\/A\u003c\/strong\u003e and \u003cstrong\u003e581084\/B\u003c\/strong\u003e revisions replaced by \/C.\u003c\/p\u003e\n\n\u003cp\u003eFor older catalogue searches, 581084\/A may appear as \u003cstrong\u003eBREATHER PIPE SHORT VOM\u003c\/strong\u003e, while 581084\/B appears as \u003cstrong\u003eBREATHER PIPE - NT51\u003c\/strong\u003e. Both service paths now lead to \u003cstrong\u003e581084\/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 \u003cstrong\u003e581084\/C engine breather pipe\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eShort crankcase-to-air-filter breather hose.\u003c\/li\u003e\n\u003cli\u003eConfirmed in the Thunderbird 500 engine-cover \/ crankcase-breather system.\u003c\/li\u003e\n\u003cli\u003eFactory Electra EFI catalogue family uses base part number 581084.\u003c\/li\u003e\n\u003cli\u003eCurrent replacement for earlier 581084\/A and 581084\/B references.\u003c\/li\u003e\n\u003cli\u003eOne breather pipe per selling unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat This Product Is Not\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNot a fuel hose.\u003c\/li\u003e\n\u003cli\u003eNot an oil-feed hose.\u003c\/li\u003e\n\u003cli\u003eNot the long PAV \/ pulse-air hose.\u003c\/li\u003e\n\u003cli\u003eNot the breather-pipe clip.\u003c\/li\u003e\n\u003cli\u003eNot the breather bolt.\u003c\/li\u003e\n\u003cli\u003eNot the sealing washer.\u003c\/li\u003e\n\u003cli\u003eNot the Thunderbird 350 breather pipe 570286\/C.\u003c\/li\u003e\n\u003cli\u003eNot a universal UCE \/ Royal Enfield breather hose.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact current SKU:\u003c\/strong\u003e 581084\/C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory identity:\u003c\/strong\u003e Breather Pipe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRouting:\u003c\/strong\u003e short crankcase-to-air-filter breather connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalogue dimensional reference:\u003c\/strong\u003e approximately 150 mm length × 14 mm OD for the short-pipe application.\u003c\/li\u003e\n\u003cli\u003e581084\/A and 581084\/B are both superseded to 581084\/C.\u003c\/li\u003e\n\u003cli\u003eCorrectly separated from Thunderbird 350 part 570286\/C.\u003c\/li\u003e\n\u003cli\u003eGenuine replacement for ageing rubber hose where the exact EPC calls for the 581084 family.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuyer Search Names \/ Internal Search Keywords\u003c\/h2\u003e\n\u003cp\u003e581084\/C, 581084C, 581084, 581084\/A, 581084\/B, Royal Enfield breather pipe, Royal Enfield crankcase breather hose, Thunderbird 500 breather pipe, Thunderbird 500 breather hose, Electra EFI breather pipe, Electra EFI 500 breather hose, Bullet Electra EFI breather pipe, engine breather hose, air filter breather hose, crankcase to air filter hose, short breather pipe, UCE 500 breather pipe, BREATHER PIPE SHORT VOM, BREATHER PIPE NT51.\u003c\/p\u003e\n\n\u003ch2\u003eConfirmed Compatibility\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ Application\u003c\/th\u003e\n\u003cth\u003eStatus\u003c\/th\u003e\n\u003cth\u003eImportant Fitment Detail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoyal Enfield Thunderbird 500\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eConfirmed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThunderbird 350\/500 parts catalogue assigns 581084\/C to the 500cc engine breather-pipe position.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoyal Enfield Electra EFI 500 \/ E5-G5 family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eConfirmed part family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFactory Electra EFI catalogue directly lists base 581084 as Breather Pipe, Qty 1; current service revision is 581084\/C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplications originally specifying 581084\/A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eConfirmed supersession\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e581084\/A is replaced by 581084\/C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplications originally specifying 581084\/B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eConfirmed supersession\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e581084\/B is replaced by 581084\/C.\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\u003ctr\u003e\n\u003cth\u003eModel \/ Situation\u003c\/th\u003e\n\u003cth\u003eRequired Check\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassic 500 UCE \/ EFI\u003c\/td\u003e\n\u003ctd\u003eDo not assume all 500 UCE engines use this exact hose. Confirm the motorcycle EPC \/ old hose number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBullet 500 UCE \/ EFI\u003c\/td\u003e\n\u003ctd\u003eCheck exact year and engine-breather routing before ordering; model-name similarity is not enough.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther export 500 EFI variants\u003c\/td\u003e\n\u003ctd\u003eUse only where the catalogue or removed genuine hose identifies the 581084 family.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotorcycle with modified airbox \/ breather routing\u003c\/td\u003e\n\u003ctd\u003eAftermarket filters, catch cans or deleted airboxes can change the required hose routing and length.\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\u003e\n\u003cstrong\u003eThunderbird 350\u003c\/strong\u003e – the Thunderbird 350\/500 catalogue shows \u003cstrong\u003e570286\/C\u003c\/strong\u003e at the corresponding breather-pipe position.\u003c\/li\u003e\n\u003cli\u003eClassic 350 Reborn \/ J-Series.\u003c\/li\u003e\n\u003cli\u003eBullet 350 J-Series.\u003c\/li\u003e\n\u003cli\u003eMeteor 350.\u003c\/li\u003e\n\u003cli\u003eHunter 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 \/ Classic 650.\u003c\/li\u003e\n\u003cli\u003eAny motorcycle requiring a breather hose of a different length, diameter or routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number \/ Supersession Notes\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eFactory Description \/ Status\u003c\/th\u003e\n\u003cth\u003eCurrent Action\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e581084\/C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBreather pipe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent service part – use this SKU.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e581084\/A\u003c\/td\u003e\n\u003ctd\u003eBREATHER PIPE SHORT VOM\u003c\/td\u003e\n\u003ctd\u003eSuperseded by 581084\/C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e581084\/B\u003c\/td\u003e\n\u003ctd\u003eBREATHER PIPE - NT51\u003c\/td\u003e\n\u003ctd\u003eSuperseded by 581084\/C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e581084\u003c\/td\u003e\n\u003ctd\u003eBreather Pipe – older\/base catalogue reference\u003c\/td\u003e\n\u003ctd\u003eUse current \/C service revision where catalogue\/supersession confirms.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eSimilar Parts Comparison – Do Not Mix Them Up\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003ePart\u003c\/th\u003e\n\u003cth\u003eDifference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e581084\/C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eShort breather pipe – 500cc \/ specified EFI applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eThis product.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e570286\/C\u003c\/td\u003e\n\u003ctd\u003eBreather Pipe\u003c\/td\u003e\n\u003ctd\u003eThunderbird 350 counterpart in the same engine-cover diagram; not interchangeable by assumption.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e573964\/A\u003c\/td\u003e\n\u003ctd\u003eClip – Breather Pipe\u003c\/td\u003e\n\u003ctd\u003eClip only; not the hose.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e140573\/B\u003c\/td\u003e\n\u003ctd\u003eBreather-pipe hose clip\u003c\/td\u003e\n\u003ctd\u003eOlder \/ other application clip reference; clip only.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e573968\/A \/ 570444\u003c\/td\u003e\n\u003ctd\u003eBreather bolt\u003c\/td\u003e\n\u003ctd\u003eEngine fitting \/ bolt, not the hose.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e570155\u003c\/td\u003e\n\u003ctd\u003eSealing washer\u003c\/td\u003e\n\u003ctd\u003eWasher for breather fitting; not the hose.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e510191\/D\u003c\/td\u003e\n\u003ctd\u003eLong breather pipe 16×10×800\u003c\/td\u003e\n\u003ctd\u003eDifferent long hose \/ PAV-breather application.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e582006\/A\u003c\/td\u003e\n\u003ctd\u003eBreather pipe 16×10×155 USA\u003c\/td\u003e\n\u003ctd\u003eSeparate export \/ dimensional reference; do not substitute automatically.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhen Should This Part Be Replaced?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRubber hose has become hard, brittle or cracked with age.\u003c\/li\u003e\n\u003cli\u003ePipe is split and allowing crankcase vapour \/ oil mist to leak.\u003c\/li\u003e\n\u003cli\u003eEnds are stretched and no longer seal correctly around the fittings.\u003c\/li\u003e\n\u003cli\u003eHose is kinked, collapsed or internally blocked.\u003c\/li\u003e\n\u003cli\u003eOriginal breather pipe is missing after engine \/ air-filter repair.\u003c\/li\u003e\n\u003cli\u003eMotorcycle is being restored to original factory breather routing.\u003c\/li\u003e\n\u003cli\u003eAn older 581084\/A or 581084\/B hose is being replaced with the current \/C service revision.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Related Parts to Check\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBreather-pipe hose clip(s).\u003c\/li\u003e\n\u003cli\u003eBreather bolt \/ crankcase fitting.\u003c\/li\u003e\n\u003cli\u003eBreather sealing washer.\u003c\/li\u003e\n\u003cli\u003eAir-filter body and breather connection point.\u003c\/li\u003e\n\u003cli\u003eAir-filter element condition.\u003c\/li\u003e\n\u003cli\u003eAdjacent PAV \/ emissions hoses for ageing or cracking.\u003c\/li\u003e\n\u003cli\u003eCrankcase breather outlet for blockage or excess oil contamination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1 × Genuine Royal Enfield 581084\/C Breather Pipe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eClips, breather bolt, sealing washer, air-filter parts and other hoses are \u003cstrong\u003enot included unless physically supplied in the genuine package\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompare the new pipe with the removed hose before installation.\u003c\/li\u003e\n\u003cli\u003eConfirm routing between the crankcase breather outlet and air-filter \/ intake connection.\u003c\/li\u003e\n\u003cli\u003eDo not twist, kink or sharply fold the breather pipe.\u003c\/li\u003e\n\u003cli\u003eInspect hose clips and replace them if they no longer provide secure clamping.\u003c\/li\u003e\n\u003cli\u003eClean the mating nipples before fitting the new hose.\u003c\/li\u003e\n\u003cli\u003eKeep the breather path free from blockage; do not plug or cap it as a substitute for proper repair.\u003c\/li\u003e\n\u003cli\u003eIf excessive oil is collecting in the breather system, diagnose the engine condition rather than assuming the hose alone is the cause.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReturn-Prevention Note\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm current part number 581084\/C and the motorcycle's exact engine \/ breather routing before ordering.\u003c\/strong\u003e Thunderbird 350 and Thunderbird 500 do not use the same breather pipe in the referenced factory diagram. Correctly supplied spare parts are not returnable or exchangeable because of incorrect selection, mechanic recommendation, fitment mismatch, installation attempt or change of mind. Orders cannot be cancelled once placed. Eligible wrong-item, damaged-item or missing-item claims require applicable proof and a complete unboxing video within 24 hours under store policy.\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1. What is Royal Enfield 581084\/C?\u003c\/strong\u003e\u003cbr\u003e\nIt is the current genuine Royal Enfield short engine breather pipe \/ crankcase breather hose in the 581084 part family.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2. Does 581084\/C fit Thunderbird 500?\u003c\/strong\u003e\u003cbr\u003e\nYes. The Royal Enfield Thunderbird 350\/500 parts catalogue assigns 581084\/C to the Thunderbird 500 breather-pipe position.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3. Does it fit Thunderbird 350?\u003c\/strong\u003e\u003cbr\u003e\nNo fitment should be assumed. In the same catalogue, Thunderbird 350 uses \u003cstrong\u003e570286\/C\u003c\/strong\u003e at the corresponding breather-pipe location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ4. Does it fit Electra EFI?\u003c\/strong\u003e\u003cbr\u003e\nYes, the factory Electra EFI catalogue lists base part number 581084 as Breather Pipe, quantity one. The current service revision is 581084\/C.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ5. Is Electra EFI a 500cc model?\u003c\/strong\u003e\u003cbr\u003e\nYes. The Electra EFI \/ E5-G5 family is a 499cc EFI UCE motorcycle.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ6. Does 581084\/C replace 581084\/A?\u003c\/strong\u003e\u003cbr\u003e\nYes. Current genuine-parts data explicitly shows 581084\/A replaced by 581084\/C.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ7. Does 581084\/C replace 581084\/B?\u003c\/strong\u003e\u003cbr\u003e\nYes. Current genuine-parts data explicitly shows 581084\/B replaced by 581084\/C.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ8. What size is the hose?\u003c\/strong\u003e\u003cbr\u003e\nOlder Royal Enfield catalogue data for this short breather-pipe family specifies approximately \u003cstrong\u003e150 mm length × 14 mm outside diameter\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ9. Is this a fuel pipe?\u003c\/strong\u003e\u003cbr\u003e\nNo. It is an engine crankcase breather pipe.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ10. Are clips included?\u003c\/strong\u003e\u003cbr\u003e\nDo not assume so. Breather-pipe clips are separately catalogued parts.\u003c\/p\u003e\n\n\u003ch2\u003eSEO Tags\u003c\/h2\u003e\n\u003cp\u003eRoyal Enfield, Genuine Royal Enfield Parts, 581084\/C, 581084C, 581084, 581084\/A, 581084\/B, Breather Pipe, Crankcase Breather Hose, Engine Breather Pipe, Air Filter Breather Hose, Thunderbird 500, Thunderbird 500 Breather Pipe, Thunderbird 500 Breather Hose, Electra EFI, Electra EFI 500, Bullet Electra EFI, Electra EFI Breather Pipe, UCE 500 Breather Pipe, Short Breather Pipe, BREATHER PIPE SHORT VOM, BREATHER PIPE NT51, Royal Enfield Engine Hose\u003c\/p\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":52087236624679,"sku":"581084\/C","price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-thunderbird-500-electra-efi-crankcase-breather-pipe-581084-c","provider":"UNDER THE HOOD","version":"1.0","type":"link"}