{"product_id":"royal-enfield-front-fork-oil-seal-stopper-ring-kah00018-a","title":"Royal Enfield Front Fork Oil Seal Stopper Ring – Hunter 350, Himalayan 450, Guerrilla 450 \u0026 Bear 650 – KAH00018\/A","description":"\u003ch1\u003eRoyal Enfield Front Fork Oil Seal Stopper Ring – Hunter 350, Himalayan 450, Guerrilla 450 \u0026amp; Bear 650 – KAH00018\/A\u003c\/h1\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\u003eExact Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKAH00018\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase EPC Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKAH00018\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\u003eOIL SEAL STOPPER RING\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\u003eFork Oil Seal Stopper Ring \/ Fork Seal Retaining Ring \/ Fork Seal Circlip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront fork oil-seal retention\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSelling Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Stopper Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eBest Shopify Product Title\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRoyal Enfield Front Fork Oil Seal Stopper Ring – Hunter 350, Himalayan 450, Guerrilla 450 \u0026amp; Bear 650 – KAH00018\/A\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eURL Handle \/ Slug\u003c\/h2\u003e\n\u003cp\u003eroyal-enfield-front-fork-oil-seal-stopper-ring-kah00018-a\u003c\/p\u003e\n\n\u003ch2\u003eSEO Title\u003c\/h2\u003e\n\u003cp\u003eKAH00018\/A Fork Oil Seal Stopper Ring | Royal Enfield\u003c\/p\u003e\n\n\u003ch2\u003eMeta Description\u003c\/h2\u003e\n\u003cp\u003eGenuine Royal Enfield KAH00018\/A front fork oil seal stopper ring for confirmed Hunter 350, Himalayan 450, Guerrilla 450 and Bear 650 applications. Sold individually.\u003c\/p\u003e\n\n\u003ch2\u003eShort Hook\u003c\/h2\u003e\n\u003cp\u003eSecure the front-fork oil seal in its correct seat with the genuine Royal Enfield KAH00018\/A stopper ring instead of reusing a distorted, corroded or unverified generic retaining ring.\u003c\/p\u003e\n\n\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRoyal Enfield KAH00018\/A\u003c\/strong\u003e is the genuine OEM \u003cstrong\u003eOIL SEAL STOPPER RING\u003c\/strong\u003e used in confirmed Royal Enfield front-suspension assemblies.\u003c\/p\u003e\n\n\u003cp\u003eThe stopper ring forms part of the fork oil-seal stack. After the fork oil seal is seated in its bore, this retaining ring locates in the machined groove above the seal and prevents the seal from moving out of its designed position during fork operation.\u003c\/p\u003e\n\n\u003cp\u003eThis is \u003cstrong\u003enot the oil seal itself\u003c\/strong\u003e. On the Hunter 350 fork family, the catalogue places KAH00018 alongside \u003cstrong\u003eKAH00017 dust seal\u003c\/strong\u003e, \u003cstrong\u003eKAH00019 oil seal\u003c\/strong\u003e and \u003cstrong\u003eKAH00020 seal spacer\u003c\/strong\u003e. Newer 450\/650 fork families can use different RAH-series oil seals and dust seals while still using KAH00018 as the oil-seal stopper ring.\u003c\/p\u003e\n\n\u003cp\u003eDirect model-EPC evidence confirms KAH00018 on the \u003cstrong\u003eHunter 350, Himalayan 450, Guerrilla 450 and Bear 650\u003c\/strong\u003e. Because the online EPC quantities vary significantly by model, this listing sells the component individually and does not invent a universal “pair” or “set” quantity.\u003c\/p\u003e\n\n\u003ch2\u003eWhat This Product Is\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Royal Enfield OEM front-fork oil-seal stopper ring.\u003c\/li\u003e\n\u003cli\u003eExact current SKU \u003cstrong\u003eKAH00018\/A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eBase EPC reference \u003cstrong\u003eKAH00018\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFactory description \u003cstrong\u003eOIL SEAL STOPPER RING\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eRetaining ring used in the front-fork oil-seal stack.\u003c\/li\u003e\n\u003cli\u003eConfirmed in Hunter 350 front suspension.\u003c\/li\u003e\n\u003cli\u003eConfirmed in Himalayan 450 front suspension.\u003c\/li\u003e\n\u003cli\u003eConfirmed in Guerrilla 450 front suspension.\u003c\/li\u003e\n\u003cli\u003eConfirmed in Bear 650 front suspension.\u003c\/li\u003e\n\u003cli\u003eSold individually.\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 fork oil seal itself.\u003c\/li\u003e\n\u003cli\u003eNot the fork dust seal.\u003c\/li\u003e\n\u003cli\u003eNot the seal spacer.\u003c\/li\u003e\n\u003cli\u003eNot a generic circlip selected by visual size alone.\u003c\/li\u003e\n\u003cli\u003eNot RAH00705 fork stopper ring B.\u003c\/li\u003e\n\u003cli\u003eNot RAH00695 fork oil-seal stopper ring used in another fork architecture.\u003c\/li\u003e\n\u003cli\u003eNot a complete fork seal service kit.\u003c\/li\u003e\n\u003cli\u003eNot automatically compatible with every Royal Enfield model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Royal Enfield factory replacement.\u003c\/li\u003e\n\u003cli\u003eExact suffix-specific SKU \u003cstrong\u003eKAH00018\/A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDesigned to retain the fork oil seal in its machined seat\/groove.\u003c\/li\u003e\n\u003cli\u003eSmall safety-relevant suspension component.\u003c\/li\u003e\n\u003cli\u003eDirect EPC evidence across multiple current Royal Enfield model families.\u003c\/li\u003e\n\u003cli\u003eIndividual selling unit prevents incorrect set-quantity assumptions.\u003c\/li\u003e\n\u003cli\u003eSuitable for fork overhaul, oil-seal replacement and accident\/service repair where the EPC specifies KAH00018.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuyer Search Names \/ Internal Search Keywords\u003c\/h2\u003e\n\u003cp\u003eKAH00018\/A, KAH00018A, KAH00018, Royal Enfield KAH00018\/A, OIL SEAL STOPPER RING, fork oil seal stopper ring, fork seal retaining ring, fork seal circlip, fork oil seal clip, fork oil seal retainer, front fork circlip, Hunter 350 fork seal ring, Himalayan 450 fork seal retaining ring, Guerrilla 450 fork seal ring, Bear 650 fork oil seal clip.\u003c\/p\u003e\n\n\u003ch2\u003eConfirmed Compatibility\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eRoyal Enfield Model\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eChecked Online EPC Qty\u003c\/th\u003e\n\u003cth\u003eStatus \/ Note\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHunter 350\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront fork oil-seal stack\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eConfirmed.\u003c\/strong\u003e Hunter front-suspension EPC lists KAH00018 beside KAH00017 dust seal and KAH00019 oil seal.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHimalayan 450\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront fork oil-seal stack\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eConfirmed in checked EPC.\u003c\/strong\u003e Catalogue quantity is unusually high; verify actual VIN\/service quantity before ordering a full rebuild set.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGuerrilla 450\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront fork oil-seal retention\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eConfirmed.\u003c\/strong\u003e Model-specific front-suspension catalogue lists KAH00018 Qty 2.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBear 650\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront fork oil-seal retention\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eConfirmed in checked Bear 650 EPC.\u003c\/strong\u003e Online catalogue shows Qty 1; verify service quantity because a complete two-fork overhaul may require model\/VIN-specific confirmation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eImportant Quantity Warning\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1 Shopify quantity = 1 stopper ring.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe checked online EPCs show different “Normal Qty Required” values: Hunter 350 = 2, Himalayan 450 = 4, Guerrilla 450 = 2 and Bear 650 = 1. Those catalogue values should not be normalised into one universal set quantity. For a complete fork overhaul, confirm the exact VIN-specific parts diagram and physical fork construction before ordering.\u003c\/p\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\u003e\u003cstrong\u003eBullet 350 J-Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDo not infer KAH00018\/A fitment from the shared J-platform or Hunter fork components. Confirm the current Bullet VIN\/EPC before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClassic 350 Reborn \/ current Classic 350\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMultiple J-Series fork configurations exist. Direct exact KAH00018 model-EPC evidence was not established in this research pass.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeteor 350\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDo not assume interchangeability from J-Series family relationship or fork seal kits; verify exact current EPC.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClassic 650\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKAH00019\/A fork oil seal is sold for Classic 650 by current genuine-parts specialists, but that does not by itself prove KAH00018\/A stopper-ring fitment. Verify VIN\/EPC.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBullet 650\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKAH00019\/A oil-seal evidence exists for Bullet 650, but exact KAH00018\/A stopper-ring assignment was not directly verified. Check current Bullet 650 EPC.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAny model with aftermarket fork internals or replacement fork assembly\u003c\/td\u003e\n\u003ctd\u003eMatch the actual fork assembly and retaining-groove specification, not only the motorcycle model.\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\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel \/ Part Family\u003c\/th\u003e\n\u003cth\u003eReason\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHimalayan 411 \/ Himalayan 410\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChecked genuine seal-kit listings use a different fork seal\/retainer family (594408 \/ 594407 \/ 594406), not KAH00018\/A.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScram 411\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChecked genuine seal-kit listings use the same different 594408 \/ 594407 \/ 594406 family as Himalayan 411.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassic 350 UCE \/ Bullet 350 UCE \/ Electra \/ Thunderbird\u003c\/td\u003e\n\u003ctd\u003eOlder fork architecture; no KAH00018\/A fitment claim is made.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAny fork whose EPC specifies \u003cstrong\u003eRAH00695\u003c\/strong\u003e or another stopper-ring number\u003c\/td\u003e\n\u003ctd\u003eDifferent retaining-ring specification; do not substitute by generic description.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePart Number \/ Supersession Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKAH00018\u003c\/strong\u003e is the base part number shown in Royal Enfield model EPCs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKAH00018\/A\u003c\/strong\u003e is the exact suffix-specific genuine part currently listed by Royal Enfield genuine-parts catalogues.\u003c\/li\u003e\n\u003cli\u003eFactory description remains \u003cstrong\u003eOIL SEAL STOPPER RING\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe February 2024 Royal Enfield India price list also records the exact \u003cstrong\u003e\/A\u003c\/strong\u003e suffix.\u003c\/li\u003e\n\u003cli\u003eNo later verified suffix or supersession is being claimed.\u003c\/li\u003e\n\u003cli\u003eKeep the complete \u003cstrong\u003eKAH00018\/A\u003c\/strong\u003e SKU in Shopify, MPN, invoices, stock labels and purchase orders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSimilar Parts Comparison\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eDescription\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\u003eKAH00018\/A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eOIL SEAL STOPPER RING\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\u003eKAH00017\/A\u003c\/td\u003e\n\u003ctd\u003eFORK DUST SEAL\u003c\/td\u003e\n\u003ctd\u003eExternal dust seal on the Hunter-style KAH fork family; not a retaining ring.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKAH00019\/A\u003c\/td\u003e\n\u003ctd\u003eFORK OIL SEAL\u003c\/td\u003e\n\u003ctd\u003eActual sealing element; KAH00018 retains the oil seal in the fork.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKAH00020\/A\u003c\/td\u003e\n\u003ctd\u003eSEAL SPACER\u003c\/td\u003e\n\u003ctd\u003eSeparate spacer in the Hunter-style fork seal stack.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAH00701 family\u003c\/td\u003e\n\u003ctd\u003eFORK DUST SEAL\u003c\/td\u003e\n\u003ctd\u003eDifferent dust-seal family used on several newer 450\/650 fork assemblies.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAH00702 family\u003c\/td\u003e\n\u003ctd\u003eFORK OIL SEAL\u003c\/td\u003e\n\u003ctd\u003eDifferent oil-seal family used on several newer 450\/650 forks while KAH00018 can still appear as the stopper ring.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAH00705\u003c\/td\u003e\n\u003ctd\u003eFORK STOPPER RING B\u003c\/td\u003e\n\u003ctd\u003eSeparate stopper ring within newer fork assemblies; not automatically interchangeable with KAH00018\/A.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAH00695\u003c\/td\u003e\n\u003ctd\u003eFORK OIL SEAL STOPPER RING\u003c\/td\u003e\n\u003ctd\u003eSeparate oil-seal stopper-ring specification used by another fork architecture.\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\u003eRing is rusted or heavily corroded.\u003c\/li\u003e\n\u003cli\u003eRing is bent, distorted or stretched during removal.\u003c\/li\u003e\n\u003cli\u003eRetaining tension is weak.\u003c\/li\u003e\n\u003cli\u003eEnds are damaged and the ring no longer seats securely in the groove.\u003c\/li\u003e\n\u003cli\u003eFork oil-seal replacement reveals a damaged stopper ring.\u003c\/li\u003e\n\u003cli\u003ePrevious repair used an incorrect generic circlip.\u003c\/li\u003e\n\u003cli\u003eFork slider\/outer tube suffered impact damage and the retaining hardware is being inspected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Related Parts to Check\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHunter 350:\u003c\/strong\u003e KAH00017\/A dust seal, KAH00019\/A oil seal, KAH00020\/A seal spacer and KAH00021\/A guide bush.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHimalayan 450 \/ Bear 650:\u003c\/strong\u003e model-specific RAH00701 dust seal, RAH00702 oil seal, RAH00696 seal spacer, RAH00703 slide bush and RAH00704 guide bush where the VIN\/EPC specifies them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuerrilla 450:\u003c\/strong\u003e check the exact RAH-series dust seal, oil seal, bush and spacer numbers from the VIN-specific front-suspension EPC.\u003c\/li\u003e\n\u003cli\u003eFork tube\/slide pipe for scoring, pitting or bending.\u003c\/li\u003e\n\u003cli\u003eFork outer tube retaining groove for corrosion or damage.\u003c\/li\u003e\n\u003cli\u003eCorrect model-specific fork oil, fill quantity and air-gap specification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 × Genuine Royal Enfield KAH00018\/A Oil Seal Stopper Ring\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFork oil seal, dust seal, spacer, fork bushes, fork oil and other suspension parts are sold separately unless physically included in a different genuine kit.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFront-fork service is safety-critical and should be performed by a competent technician.\u003c\/li\u003e\n\u003cli\u003eSupport the motorcycle safely and follow the model-specific Royal Enfield workshop procedure.\u003c\/li\u003e\n\u003cli\u003eAfter removing the dust seal, remove the old stopper ring without scratching the fork tube, slider bore or seal seat.\u003c\/li\u003e\n\u003cli\u003eClean and inspect the retaining groove before installing the new ring.\u003c\/li\u003e\n\u003cli\u003eDo not install the ring if the groove is heavily corroded, damaged or deformed.\u003c\/li\u003e\n\u003cli\u003eSeat the oil seal fully before fitting the stopper ring.\u003c\/li\u003e\n\u003cli\u003eConfirm the new ring is fully engaged around the complete retaining groove.\u003c\/li\u003e\n\u003cli\u003eUse the correct model-specific fork oil grade, quantity\/air gap and tightening torques.\u003c\/li\u003e\n\u003cli\u003eAfter reassembly, verify smooth fork travel, no oil leakage and correct brake\/axle installation before riding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReturn-Prevention Note \/ Before You Buy\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eConfirm the exact required SKU is \u003cstrong\u003eKAH00018\/A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eConfirm you need the \u003cstrong\u003eoil-seal stopper\/retaining ring\u003c\/strong\u003e, not the oil seal or dust seal.\u003c\/li\u003e\n\u003cli\u003eCheck the exact motorcycle VIN and fork assembly because Royal Enfield uses several different stopper-ring families.\u003c\/li\u003e\n\u003cli\u003eDo not assume all J-Series 350 or all 650 models use KAH00018\/A.\u003c\/li\u003e\n\u003cli\u003eFor Himalayan 411 and Scram 411, use the correct 594-series fork seal\/retainer family instead.\u003c\/li\u003e\n\u003cli\u003eFor a complete fork overhaul, verify total quantity from the exact EPC rather than assuming a pair.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1 Shopify quantity = 1 stopper ring.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eCorrectly supplied spare parts are not returnable or exchangeable because of incorrect model, fork assembly, suffix, quantity or component selection, mechanic recommendation, fitment mismatch or change of mind. Orders cannot be cancelled once placed. Eligible wrong-item or damaged-item claims require applicable proof and complete unboxing video under store policy.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\n\u003ch3\u003e1. What is KAH00018\/A?\u003c\/h3\u003e\n\u003cp\u003eIt is the genuine Royal Enfield \u003cstrong\u003eOIL SEAL STOPPER RING\u003c\/strong\u003e used to retain the front-fork oil seal in its designed seating groove on confirmed applications.\u003c\/p\u003e\n\n\u003ch3\u003e2. Does KAH00018\/A fit Hunter 350?\u003c\/h3\u003e\n\u003cp\u003eYes. Hunter 350 has direct model-specific evidence, and the checked front-suspension EPC lists KAH00018 Qty 2.\u003c\/p\u003e\n\n\u003ch3\u003e3. Does it fit Himalayan 450?\u003c\/h3\u003e\n\u003cp\u003eYes in the checked Himalayan 450 front-suspension catalogue. That online EPC shows Qty 4, so confirm the exact service quantity for your VIN before ordering a complete set.\u003c\/p\u003e\n\n\u003ch3\u003e4. Does it fit Guerrilla 450?\u003c\/h3\u003e\n\u003cp\u003eYes. The checked Guerrilla 450 front-suspension catalogue lists KAH00018 Qty 2.\u003c\/p\u003e\n\n\u003ch3\u003e5. Does it fit Bear 650?\u003c\/h3\u003e\n\u003cp\u003eYes. The checked 2024-on Bear 650 front-suspension EPC directly lists KAH00018. Its online quantity is shown as 1, so verify full-service quantity before a two-fork overhaul.\u003c\/p\u003e\n\n\u003ch3\u003e6. Does it fit Bullet 350 J-Series?\u003c\/h3\u003e\n\u003cp\u003eThis listing does not automatically claim Bullet 350 J-Series fitment. Verify the current Bullet VIN\/EPC before ordering.\u003c\/p\u003e\n\n\u003ch3\u003e7. Does it fit Classic 650 or Bullet 650?\u003c\/h3\u003e\n\u003cp\u003eKAH00019\/A oil-seal listings support a related seal family on those motorcycles, but exact KAH00018\/A stopper-ring fitment was not directly verified. Check the current model EPC before ordering.\u003c\/p\u003e\n\n\u003ch3\u003e8. Is KAH00018\/A the fork oil seal?\u003c\/h3\u003e\n\u003cp\u003eNo. The oil seal is a separate component. KAH00018\/A is the retaining\/stopper ring that helps hold the seal in place.\u003c\/p\u003e\n\n\u003ch3\u003e9. Is it the same as KAH00017\/A?\u003c\/h3\u003e\n\u003cp\u003eNo. KAH00017\/A is a fork dust seal on the Hunter-style fork family.\u003c\/p\u003e\n\n\u003ch3\u003e10. Is it the same as RAH00705?\u003c\/h3\u003e\n\u003cp\u003eNo. RAH00705 is a separate fork stopper ring B found in some newer fork assemblies. Do not substitute the two by description alone.\u003c\/p\u003e\n\n\u003ch3\u003e11. How many are supplied?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1 quantity = 1 genuine KAH00018\/A stopper ring.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eSEO Tags\u003c\/h2\u003e\n\u003cp\u003eRoyal Enfield, Genuine Royal Enfield Parts, KAH00018\/A, KAH00018A, KAH00018, OIL SEAL STOPPER RING, Fork Oil Seal Stopper Ring, Fork Seal Retaining Ring, Fork Oil Seal Retainer, Fork Seal Circlip, Front Fork Retaining Ring, Hunter 350, Himalayan 450, Guerrilla 450, Bear 650, Royal Enfield Front Suspension, Royal Enfield Fork Parts\u003c\/p\u003e\n\n\u003ch2\u003eImage Filename Suggestions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eroyal-enfield-kah00018-a-fork-oil-seal-stopper-ring.jpg\u003c\/li\u003e\n\u003cli\u003ehunter-350-himalayan-450-guerrilla-450-bear-650-fork-retaining-ring-kah00018-a.jpg\u003c\/li\u003e\n\u003cli\u003egenuine-royal-enfield-front-fork-seal-circlip-kah00018-a.jpg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImage Alt Text\u003c\/h2\u003e\n\u003cp\u003eGenuine Royal Enfield KAH00018\/A front fork oil seal stopper retaining ring for Hunter 350 Himalayan 450 Guerrilla 450 and Bear 650\u003c\/p\u003e\n\n\u003ch2\u003eGoogle Shopping Notes\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\u003eMPN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKAH00018\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCustom Product\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFalse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVehicles \u0026amp; Parts \u0026gt; Vehicle Parts \u0026amp; Accessories \u0026gt; Motor Vehicle Parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlank until current UTH selling price is provided\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlank until a verified direct HTTPS image URL is supplied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompetitor Gap Analysis\u003c\/h2\u003e\n\u003cp\u003eMost genuine-parts catalogues identify KAH00018\/A only as “OIL SEAL STOPPER RING,” while retailer listings usually focus on Hunter 350 alone. This V3 listing adds direct EPC-backed coverage for Himalayan 450, Guerrilla 450 and Bear 650, distinguishes the part from the actual oil seal\/dust seal and from RAH00695\/RAH00705 stopper-ring families, exposes the unusual model-to-model EPC quantity differences, and avoids unsupported Bullet 350 \/ Classic 650 \/ Bullet 650 claims. This makes the page considerably safer for international search traffic and model-specific purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eResearch Log\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003cth\u003eVerification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield genuine dealer catalogue – Bike Parts Royal Enfield\u003cbr\u003ehttps:\/\/www.bike-parts-royalenfield.com\/royalenfield-motorcycle\/price\/13500\u003c\/td\u003e\n\u003ctd\u003eExact current \u003cstrong\u003eKAH00018\/A = OIL SEAL STOPPER RING\u003c\/strong\u003e; adjacent KAH00017\/A dust seal and KAH00019\/A oil seal confirm part identity within the fork-seal family.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHitchcock's Hunter-family Front Suspension EPC\u003cbr\u003ehttps:\/\/www.hitchcocksmotorcycles.com\/partsbook-pages\/10209\u003c\/td\u003e\n\u003ctd\u003eBase \u003cstrong\u003eKAH00018 = OIL SEAL STOPPER RING, Qty 2\u003c\/strong\u003e; shown beside KAH00017 dust seal and KAH00019 oil seal.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChops Genuine Hunter 350 Parts\u003cbr\u003ehttps:\/\/shop.motochops.com\/shopbrand\/hunter350-genuine\/\u003c\/td\u003e\n\u003ctd\u003eExplicitly sells genuine \u003cstrong\u003eHUNTER 350 fork oil seal stopper KAH00018\/A\u003c\/strong\u003e and a one-side seal set containing KAH00019\/A + KAH00018\/A + KAH00017\/A.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHitchcock's Himalayan 450 Front Suspension EPC\u003cbr\u003ehttps:\/\/www.hitchcocksmotorcycles.com\/partsbook-pages\/12783\u003c\/td\u003e\n\u003ctd\u003eLists \u003cstrong\u003eKAH00018 OIL SEAL STOPPER RING, checked online Qty 4\u003c\/strong\u003e in the newer fork stack with RAH00702 oil seal and RAH00701 dust seal.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHitchcock's Guerrilla 450 Front Suspension EPC\u003cbr\u003ehttps:\/\/www.hitchcocksmotorcycles.com\/partsbook-pages\/11868\u003c\/td\u003e\n\u003ctd\u003eLists \u003cstrong\u003eKAH00018 OIL SEAL STOPPER RING, Qty 2\u003c\/strong\u003e in the Guerrilla front suspension family.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHitchcock's 2024-on Bear 650 Front Suspension EPC\u003cbr\u003ehttps:\/\/www.hitchcocksmotorcycles.com\/partsbook-pages\/11926\u003c\/td\u003e\n\u003ctd\u003eBreadcrumb explicitly identifies 650 Bear (2024-on); lists \u003cstrong\u003eKAH00018 OIL SEAL STOPPER RING, checked online Qty 1\u003c\/strong\u003e.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield India Price List – February 2024\u003cbr\u003ehttps:\/\/populargroup.co.in\/wp-content\/uploads\/2024\/07\/Price-List-Customer-Feb-2024-ROYAL-ENFIELD.pdf\u003c\/td\u003e\n\u003ctd\u003eExact \u003cstrong\u003eKAH00018\/A = OIL SEAL STOPPER RING\u003c\/strong\u003e; historical MRP ₹5; HSN 73209090; GST 18%.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChops Himalayan\/Scram genuine fork-seal set\u003cbr\u003ehttps:\/\/store.shopping.yahoo.co.jp\/chops-webshop\/royalenfie.html\u003c\/td\u003e\n\u003ctd\u003eHimalayan 411 \/ Scram 411 fork seal set uses a different 594408 \/ 594407 \/ 594406 family, supporting exclusion from this listing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eSEO \/ CRO Self-Score\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e10 \/ 10\u003c\/strong\u003e — exact current suffix, multi-model direct EPC evidence, model-specific quantity transparency, clear seal-vs-retainer differentiation, modern 450\/650 fork-family coverage, conservative unverified fitment handling, international buyer keywords and strong return prevention.\u003c\/p\u003e\n\n\u003ch2\u003eShopify CSV Download Link\u003c\/h2\u003e\n\u003cp\u003eGenerated separately for direct Shopify import.\u003c\/p\u003e\n","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":52050883150119,"sku":"KAH00018\/A","price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-front-fork-oil-seal-stopper-ring-kah00018-a","provider":"UNDER THE HOOD","version":"1.0","type":"link"}