{"product_id":"royal-enfield-suppressor-cap-kit-kac00020-a-classic-350-bullet-500","title":"Royal Enfield Suppressor Cap Kit – Classic 350 UCE, Bullet 350\/500, Thunderbird 350\/500 – KAC00020 \/ KAC00020\/A (Genuine RE Ignition Cap)","description":"\u003cp data-end=\"699\" data-start=\"292\"\u003eThe \u003cstrong data-end=\"354\" data-start=\"296\"\u003eRoyal Enfield Suppressor Cap Kit KAC00020 \/ KAC00020\/A\u003c\/strong\u003e is the genuine OEM ignition cap that connects your \u003cstrong data-end=\"441\" data-start=\"406\"\u003eignition coil to the spark plug\u003c\/strong\u003e on UCE 350\/500 models. This small part plays a big role: it carries high voltage from the coil, insulates it from engine heat and vibration, and suppresses electrical noise so your bike starts easily and runs smooth even in harsh Indian riding conditions.\u003c\/p\u003e\n\u003cp data-end=\"1114\" data-start=\"701\"\u003eMultiple trusted dealer listings confirm that KAC00020\/A is the factory-specified suppressor cap for \u003cstrong data-end=\"861\" data-start=\"802\"\u003eClassic 350 UCE, Bullet 350\/500 and Thunderbird 350\/500\u003c\/strong\u003e models. Unlike cheap aftermarket caps that crack, arc or lose grip over time, this kit is built to \u003cstrong data-end=\"989\" data-start=\"962\"\u003eRoyal Enfield standards\u003c\/strong\u003e with proper sealing, snug spark plug fit and reliable resistance value for clean combustion and consistent power delivery.\u003c\/p\u003e\n\u003cp data-end=\"1426\" data-start=\"1116\"\u003eIf your bike shows symptoms like \u003cstrong data-end=\"1224\" data-start=\"1149\"\u003ehard starting, random misfires, poor idling, or intermittent power loss\u003c\/strong\u003e, a worn suppressor cap is a common culprit. Replacing it with a genuine KAC00020\/A kit is a simple, low-cost fix that can dramatically improve reliability—especially on long rides and touring builds.\u003c\/p\u003e\n\u003cp data-end=\"1617\" data-start=\"1428\"\u003eAt \u003cstrong data-end=\"1449\" data-start=\"1431\"\u003eUnder The Hood\u003c\/strong\u003e, we ship only \u003cstrong data-end=\"1508\" data-start=\"1464\"\u003e100% genuine, sealed Royal Enfield parts\u003c\/strong\u003e, clearly labeled with OE part number so you can match it to your existing cap and reduce return headaches.\u003c\/p\u003e\n\u003chr data-end=\"1622\" data-start=\"1619\"\u003e\n\u003ch3 data-end=\"1654\" data-start=\"1624\"\u003eKey Features \u003c\/h3\u003e\n\u003cul data-end=\"2826\" data-start=\"1656\"\u003e\n\u003cli data-end=\"1799\" data-start=\"1656\"\u003e\n\u003cp data-end=\"1799\" data-start=\"1658\"\u003e\u003cstrong data-end=\"1691\" data-start=\"1658\"\u003eGenuine Royal Enfield OE Part\u003c\/strong\u003e – Original Suppressor Cap Kit \u003cstrong data-end=\"1747\" data-start=\"1722\"\u003eKAC00020 \/ KAC00020\/A\u003c\/strong\u003e, as listed in RE part lines and dealer catalogs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1958\" data-start=\"1800\"\u003e\n\u003cp data-end=\"1958\" data-start=\"1802\"\u003e\u003cstrong data-end=\"1833\" data-start=\"1802\"\u003eCorrect Fit for UCE Singles\u003c\/strong\u003e – Designed for Royal Enfield \u003cstrong data-end=\"1919\" data-start=\"1863\"\u003eClassic 350 UCE, Bullet 350\/500, Thunderbird 350\/500\u003c\/strong\u003e (see detailed compatibility below).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2112\" data-start=\"1959\"\u003e\n\u003cp data-end=\"2112\" data-start=\"1961\"\u003e\u003cstrong data-end=\"1994\" data-start=\"1961\"\u003eImproved Ignition Reliability\u003c\/strong\u003e – Ensures a strong, stable connection between ignition coil and spark plug to reduce misfires and starting issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2251\" data-start=\"2113\"\u003e\n\u003cp data-end=\"2251\" data-start=\"2115\"\u003e\u003cstrong data-end=\"2145\" data-start=\"2115\"\u003eBuilt-in Noise Suppression\u003c\/strong\u003e – Internal resistor helps cut down electrical interference for smoother engine operation and less EMI.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2390\" data-start=\"2252\"\u003e\n\u003cp data-end=\"2390\" data-start=\"2254\"\u003e\u003cstrong data-end=\"2297\" data-start=\"2254\"\u003eHeat \u0026amp; Vibration Resistant Construction\u003c\/strong\u003e – High-quality insulating body designed to survive engine heat, rain, dust and bad roads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2533\" data-start=\"2391\"\u003e\n\u003cp data-end=\"2533\" data-start=\"2393\"\u003e\u003cstrong data-end=\"2422\" data-start=\"2393\"\u003ePlug-and-Play Replacement\u003c\/strong\u003e – Direct swap for the stock suppressor cap on compatible UCE models; no wiring cuts or modifications needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2692\" data-start=\"2534\"\u003e\n\u003cp data-end=\"2692\" data-start=\"2536\"\u003e\u003cstrong data-end=\"2568\" data-start=\"2536\"\u003eIdeal Preventive Maintenance\u003c\/strong\u003e – Recommended whenever you change plug leads, chase intermittent misfire, or restore an older Bullet\/Classic\/Thunderbird.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2826\" data-start=\"2693\"\u003e\n\u003cp data-end=\"2826\" data-start=\"2695\"\u003e\u003cstrong data-end=\"2724\" data-start=\"2695\"\u003e100% Genuine, Fresh Stock\u003c\/strong\u003e – Supplied in original Royal Enfield packaging with part number; no loose or unpacked local copies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2831\" data-start=\"2828\"\u003e\n\u003ch3 data-end=\"2858\" data-start=\"2833\"\u003eCompatibility Table\u003c\/h3\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"4035\" data-start=\"2948\"\u003e\n\u003cthead data-end=\"3056\" data-start=\"2948\"\u003e\n\u003ctr data-end=\"3056\" data-start=\"2948\"\u003e\n\u003cth data-col-size=\"sm\" data-end=\"2981\" data-start=\"2948\"\u003eModel\u003c\/th\u003e\n\u003cth data-col-size=\"sm\" data-end=\"2995\" data-start=\"2981\"\u003eEngine Type\u003c\/th\u003e\n\u003cth data-col-size=\"sm\" data-end=\"3010\" data-start=\"2995\"\u003eDisplacement\u003c\/th\u003e\n\u003cth data-col-size=\"sm\" data-end=\"3027\" data-start=\"3010\"\u003eEmission \/ Gen\u003c\/th\u003e\n\u003cth data-col-size=\"sm\" data-end=\"3047\" data-start=\"3027\"\u003eYears (Confirmed)\u003c\/th\u003e\n\u003cth data-col-size=\"md\" data-end=\"3056\" data-start=\"3047\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"4035\" data-start=\"3164\"\u003e\n\u003ctr data-end=\"3330\" data-start=\"3164\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3196\" data-start=\"3164\"\u003eBullet 500 (EFI \/ UCE)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3209\" data-start=\"3196\"\u003eUCE Single\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3223\" data-start=\"3209\"\u003e499 cc\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3240\" data-start=\"3223\"\u003eBS3–BS4\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3261\" data-start=\"3240\"\u003e2010–2019\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"3330\" data-start=\"3261\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3514\" data-start=\"3331\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3363\" data-start=\"3331\"\u003eBullet 350 (UCE)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3376\" data-start=\"3363\"\u003eUCE Single\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3390\" data-start=\"3376\"\u003e346 cc\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3407\" data-start=\"3390\"\u003eBS3–BS4\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3431\" data-start=\"3407\"\u003eUCE production years*\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"3514\" data-start=\"3431\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3679\" data-start=\"3515\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3547\" data-start=\"3515\"\u003eClassic 350 (UCE, pre-Reborn)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3560\" data-start=\"3547\"\u003eUCE Single\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3574\" data-start=\"3560\"\u003e346 cc\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3591\" data-start=\"3574\"\u003eBS3–BS4\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3612\" data-start=\"3591\"\u003e2010–2019\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"3679\" data-start=\"3612\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3848\" data-start=\"3680\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3712\" data-start=\"3680\"\u003eThunderbird 350 (UCE)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3725\" data-start=\"3712\"\u003eUCE Single\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3739\" data-start=\"3725\"\u003e346 cc\u003c\/td\u003e\n\u003ctd data-end=\"3756\" data-start=\"3739\" data-col-size=\"sm\"\u003eBS3–BS4\u003c\/td\u003e\n\u003ctd data-end=\"3777\" data-start=\"3756\" data-col-size=\"sm\"\u003e2017–2019\u003c\/td\u003e\n\u003ctd data-end=\"3848\" data-start=\"3777\" data-col-size=\"md\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4035\" data-start=\"3849\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3881\" data-start=\"3849\"\u003eThunderbird 500 (UCE)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3894\" data-start=\"3881\"\u003eUCE Single\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3908\" data-start=\"3894\"\u003e499 cc\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3925\" data-start=\"3908\"\u003eBS3–BS4\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3949\" data-start=\"3925\"\u003eUCE production years*\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4035\" data-start=\"3949\"\u003e\u003cbr\u003e\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\u003e\u003cspan style=\"color: rgb(233, 20, 20);\"\u003e\u003cstrong\u003eCHECK PART NUMBER BEFORE PURCHASE \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(233, 20, 20);\"\u003e\u003cstrong\u003e(THIS IS A KIT AND HAS ADAPTOR FOR BOTH SIDES)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-end=\"4623\" data-start=\"4620\"\u003e\n\u003ch3 data-end=\"4637\" data-start=\"4625\"\u003eVariants\u003c\/h3\u003e\n\u003cul data-end=\"4823\" data-start=\"4639\"\u003e\n\u003cli data-end=\"4823\" data-start=\"4639\"\u003e\n\u003cp data-end=\"4671\" data-start=\"4641\"\u003e\u003cstrong data-end=\"4669\" data-start=\"4641\"\u003eSingle Standard Variant:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"4823\" data-start=\"4674\"\u003e\n\u003cli data-end=\"4716\" data-start=\"4674\"\u003e\n\u003cp data-end=\"4716\" data-start=\"4676\"\u003ePart Number: \u003cstrong data-end=\"4714\" data-start=\"4689\"\u003eKAC00020 \/ KAC00020\/A\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4768\" data-start=\"4719\"\u003e\n\u003cp data-end=\"4768\" data-start=\"4721\"\u003eType: \u003cstrong data-end=\"4766\" data-start=\"4727\"\u003eSuppressor Cap Kit (Spark Plug Cap)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"4898\" data-start=\"4895\"\u003e\n\u003ch3 data-end=\"4914\" data-start=\"4900\"\u003eFAQs \u003c\/h3\u003e\n\u003cp data-end=\"5243\" data-start=\"4916\"\u003e\u003cstrong data-end=\"4979\" data-start=\"4916\"\u003eQ1. What exactly does the Suppressor Cap Kit KAC00020\/A do?\u003c\/strong\u003e\u003cbr data-end=\"4982\" data-start=\"4979\"\u003e\u003cstrong data-end=\"4988\" data-start=\"4982\"\u003eA.\u003c\/strong\u003e It is the \u003cstrong data-end=\"5017\" data-start=\"4999\"\u003espark plug cap\u003c\/strong\u003e that connects the ignition coil to the spark plug. It insulates the high voltage, locks onto the plug terminal, and has a resistor to suppress electrical noise. A bad cap can cause misfires, poor starting and rough running.\u003c\/p\u003e\n\u003cp data-end=\"5558\" data-start=\"5245\"\u003e\u003cstrong data-end=\"5315\" data-start=\"5245\"\u003eQ2. Will this fit my Classic 350 Reborn \/ Meteor 350 \/ Hunter 350?\u003c\/strong\u003e\u003cbr data-end=\"5318\" data-start=\"5315\"\u003e\u003cstrong data-end=\"5324\" data-start=\"5318\"\u003eA.\u003c\/strong\u003e No. This part is confirmed for \u003cstrong data-end=\"5419\" data-start=\"5356\"\u003eUCE-era Classic 350, Bullet 350\/500 and Thunderbird 350\/500\u003c\/strong\u003e only. J-Series bikes (Classic Reborn, Hunter, Meteor, new Bullet 350) use a different ignition setup and require different part numbers.\u003c\/p\u003e\n\u003cp data-end=\"5867\" data-start=\"5560\"\u003e\u003cstrong data-end=\"5624\" data-start=\"5560\"\u003eQ3. Does the kit include the HT lead (wire) or only the cap?\u003c\/strong\u003e\u003cbr data-end=\"5627\" data-start=\"5624\"\u003e\u003cstrong data-end=\"5633\" data-start=\"5627\"\u003eA.\u003c\/strong\u003e This listing is for the \u003cstrong data-end=\"5685\" data-start=\"5658\"\u003eSuppressor Cap Kit only\u003c\/strong\u003e, as supplied by Royal Enfield. On most UCE bikes the existing HT lead can be reused if in good condition; if your cable is cracked or hardened, we recommend changing that as well.\u003c\/p\u003e\n\u003cp data-end=\"6169\" data-start=\"5869\"\u003e\u003cstrong data-end=\"5918\" data-start=\"5869\"\u003eQ4. How do I confirm fitment before ordering?\u003c\/strong\u003e\u003cbr data-end=\"5921\" data-start=\"5918\"\u003e\u003cstrong data-end=\"5927\" data-start=\"5921\"\u003eA.\u003c\/strong\u003e Match your existing cap’s part number (should be \u003cstrong data-end=\"6003\" data-start=\"5977\"\u003eKAC00020 or KAC00020\/A\u003c\/strong\u003e) and ensure your bike is one of the UCE models listed in our compatibility table. You can also confirm with your local RE dealer using your \u003cstrong data-end=\"6166\" data-start=\"6144\"\u003eVIN\/chassis number\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"6433\" data-start=\"6171\"\u003e\u003cstrong data-end=\"6221\" data-start=\"6171\"\u003eQ5. Is this better than aftermarket plug caps?\u003c\/strong\u003e\u003cbr data-end=\"6224\" data-start=\"6221\"\u003e\u003cstrong data-end=\"6230\" data-start=\"6224\"\u003eA.\u003c\/strong\u003e Yes. Genuine RE caps like KAC00020\/A are built to OE spec for correct resistance, grip and sealing. Aftermarket copies often crack early or lose contact, which brings back starting and misfire issues.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50700054036775,"sku":null,"price":145.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/CCB442BF-AABB-4637-A537-590B3F93175C.jpg?v=1767626399","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-suppressor-cap-kit-kac00020-a-classic-350-bullet-500","provider":"UNDER THE HOOD","version":"1.0","type":"link"}