{"product_id":"royal-enfield-kab00644a-rear-brake-pressure-switch-himalayan-450-guerrilla-450","title":"Royal Enfield KAB00644\/A – Rear Brake Pressure Switch Kit for Himalayan 450 \u0026 Guerrilla 450 (Sherpa 452, BS6.2\/E5)","description":"\u003cp data-start=\"426\" data-end=\"825\"\u003eThe \u003cstrong data-start=\"430\" data-end=\"489\"\u003eRoyal Enfield KAB00644\/A Rear Brake Pressure Switch Kit\u003c\/strong\u003e is the \u003cstrong data-start=\"497\" data-end=\"539\"\u003egenuine OE hydraulic stop-light switch\u003c\/strong\u003e for the \u003cstrong data-start=\"548\" data-end=\"565\"\u003eHimalayan 450\u003c\/strong\u003e and \u003cstrong data-start=\"570\" data-end=\"587\"\u003eGuerrilla 450\u003c\/strong\u003e (Sherpa 452 platform). It threads into the rear brake hydraulic circuit and triggers the brake light when pressure rises—restoring consistent, instant brake-light activation after failures caused by moisture, wear or internal sticking.\u003c\/p\u003e\n\u003cp data-start=\"827\" data-end=\"1229\"\u003eBecause it’s \u003cstrong data-start=\"840\" data-end=\"856\"\u003efactory-spec\u003c\/strong\u003e, KAB00644\/A preserves the correct thread, sealing arrangement, connector type and pressure calibration. That means plug-and-play fitment, no wiring hacks, and reliable signaling to the harness\/cluster—unlike universal switches that can seep, lag, or throw intermittent warnings. Use it when your rear brake lamp is delayed, flickers, or stays off despite pedal pressure.\u003c\/p\u003e\n\u003cp data-start=\"1231\" data-end=\"1555\"\u003e\u003cstrong data-start=\"1231\" data-end=\"1263\"\u003eIdentity \u0026amp; fitment verified:\u003c\/strong\u003e Royal Enfield fiche distributor lists \u003cstrong data-start=\"1302\" data-end=\"1353\"\u003e“BRAKE PRESSURE SWITCH KIT – REAR (KAB00644\/A)”\u003c\/strong\u003e; KAB00644\/A to \u003cstrong data-start=\"1411\" data-end=\"1428\"\u003eHimalayan 450\u003c\/strong\u003e and \u003cstrong data-start=\"1433\" data-end=\"1450\"\u003eGuerrilla 450\u003c\/strong\u003e trims by name. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1 data-start=\"1557\" data-end=\"1571\"\u003eKey Features\u003c\/h1\u003e\n\u003cul data-start=\"1572\" data-end=\"2187\"\u003e\n\u003cli data-start=\"1572\" data-end=\"1692\"\u003e\n\u003cp data-start=\"1574\" data-end=\"1692\"\u003e\u003cstrong data-start=\"1574\" data-end=\"1589\"\u003eGenuine OEM\u003c\/strong\u003e Royal Enfield \u003cstrong data-start=\"1604\" data-end=\"1651\"\u003eRear Brake Pressure Switch Kit — KAB00644\/A\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca href=\"https:\/\/www.bike-parts-royalenfield.com\/royalenfield-motorcycle\/assignment_spare_parts\/KAB00644_A?utm_source=chatgpt.com\" rel=\"noopener\" alt=\"https:\/\/www.bike-parts-royalenfield.com\/royalenfield-motorcycle\/assignment_spare_parts\/KAB00644_A?utm_source=chatgpt.com\" class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1572\" data-end=\"1692\"\u003e\n\u003cp data-start=\"1574\" data-end=\"1692\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca href=\"https:\/\/www.bike-parts-royalenfield.com\/royalenfield-motorcycle\/assignment_spare_parts\/KAB00644_A?utm_source=chatgpt.com\" rel=\"noopener\" alt=\"https:\/\/www.bike-parts-royalenfield.com\/royalenfield-motorcycle\/assignment_spare_parts\/KAB00644_A?utm_source=chatgpt.com\" class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003eConfirmed fitment for \u003cstrong data-start=\"1717\" data-end=\"1734\"\u003eHimalayan 450\u003c\/strong\u003e \u0026amp; \u003cstrong data-start=\"1737\" data-end=\"1754\"\u003eGuerrilla 450\u003c\/strong\u003e (Sherpa 452, BS6.2\/E5). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1819\" data-end=\"1888\"\u003e\n\u003cp data-start=\"1821\" data-end=\"1888\"\u003eCorrect OE thread \u0026amp; sealing; no adapters or wiring mods required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1889\" data-end=\"1963\"\u003e\n\u003cp data-start=\"1891\" data-end=\"1963\"\u003eFast, reliable brake-light actuation; avoids laggy universal switches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1964\" data-end=\"2022\"\u003e\n\u003cp data-start=\"1966\" data-end=\"2022\"\u003eBuilt for Indian\/EU conditions: vibration, rain, dust.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2023\" data-end=\"2098\"\u003e\n\u003cp data-start=\"2025\" data-end=\"2098\"\u003eDirect replacement for failed or intermittent rear stop-light switches.\u003cbr\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"2189\" data-end=\"2227\"\u003eCompatibility Table\u003c\/h1\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 data-start=\"2229\" data-end=\"2538\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2229\" data-end=\"2278\"\u003e\n\u003ctr data-start=\"2229\" data-end=\"2278\"\u003e\n\u003cth data-start=\"2229\" data-end=\"2237\" data-col-size=\"sm\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"2237\" data-end=\"2257\" data-col-size=\"sm\"\u003eEngine \/ Platform\u003c\/th\u003e\n\u003cth data-start=\"2257\" data-end=\"2269\" data-col-size=\"sm\"\u003eBS \/ Euro\u003c\/th\u003e\n\u003cth data-start=\"2269\" data-end=\"2278\" data-col-size=\"sm\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2297\" data-end=\"2538\"\u003e\n\u003ctr data-start=\"2297\" data-end=\"2417\"\u003e\n\u003ctd data-start=\"2297\" data-end=\"2317\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2299\" data-end=\"2316\"\u003eHimalayan 450\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2317\" data-end=\"2336\" data-col-size=\"sm\"\u003eSherpa 452 cc LC\u003c\/td\u003e\n\u003ctd data-start=\"2336\" data-end=\"2357\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2338\" data-end=\"2356\"\u003eBS6.2 \/ Euro 5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2357\" data-end=\"2417\" data-col-size=\"sm\"\u003e\n\u003cstrong data-start=\"2359\" data-end=\"2377\"\u003e2024 → Present\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2418\" data-end=\"2538\"\u003e\n\u003ctd data-start=\"2418\" data-end=\"2438\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2420\" data-end=\"2437\"\u003eGuerrilla 450\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2438\" data-end=\"2457\" data-col-size=\"sm\"\u003eSherpa 452 cc LC\u003c\/td\u003e\n\u003ctd data-start=\"2457\" data-end=\"2478\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2459\" data-end=\"2477\"\u003eBS6.2 \/ Euro 5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2478\" data-end=\"2538\" data-col-size=\"sm\"\u003e\n\u003cstrong data-start=\"2480\" data-end=\"2498\"\u003e2024 → Present\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\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\u003cblockquote data-start=\"2540\" data-end=\"2669\"\u003e\n\u003cp data-start=\"2542\" data-end=\"2669\"\u003e\u003cstrong data-start=\"2542\" data-end=\"2557\"\u003eExclusions:\u003c\/strong\u003e Not confirmed for Himalayan 411\/Scram 411, J-series 350s or 650 Twins — list separately only with VIN evidence.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch1 data-start=\"2927\" data-end=\"2933\"\u003eFAQs\u003c\/h1\u003e\n\u003cp data-start=\"2934\" data-end=\"3113\"\u003e\u003cstrong data-start=\"2934\" data-end=\"2978\"\u003eQ1. Is KAB00644\/A genuine Royal Enfield?\u003c\/strong\u003e\u003cbr data-start=\"2978\" data-end=\"2981\"\u003eYes. It appears on the official fiche distributor as \u003cstrong data-start=\"3034\" data-end=\"3073\"\u003e“BRAKE PRESSURE SWITCH KIT – REAR.”\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3115\" data-end=\"3294\"\u003e\u003cstrong data-start=\"3115\" data-end=\"3147\"\u003eQ2. Which bikes does it fit?\u003c\/strong\u003e\u003cbr data-start=\"3147\" data-end=\"3150\"\u003e\u003cstrong data-start=\"3150\" data-end=\"3167\"\u003eHimalayan 450\u003c\/strong\u003e and \u003cstrong data-start=\"3172\" data-end=\"3189\"\u003eGuerrilla 450\u003c\/strong\u003e trims (Sherpa 452). Dealers list both model families explicitly. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3296\" data-end=\"3406\"\u003e\u003cstrong data-start=\"3296\" data-end=\"3339\"\u003eQ3. Do I need any adapters or rewiring?\u003c\/strong\u003e\u003cbr data-start=\"3339\" data-end=\"3342\"\u003eNo. It’s plug-and-play with OE threads, sealing and connector.\u003c\/p\u003e\n\u003cp data-start=\"3408\" data-end=\"3534\"\u003e\u003cstrong data-start=\"3408\" data-end=\"3441\"\u003eQ4. When should I replace it?\u003c\/strong\u003e\u003cbr data-start=\"3441\" data-end=\"3444\"\u003eIf the \u003cstrong data-start=\"3451\" data-end=\"3487\"\u003erear brake light doesn’t come on\u003c\/strong\u003e, is delayed, or flickers under pedal pressure.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50564503077159,"sku":null,"price":746.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/B0332F00-9318-4CF1-86E0-5232BB01625B.jpg?v=1760874532","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-kab00644a-rear-brake-pressure-switch-himalayan-450-guerrilla-450","provider":"UNDER THE HOOD","version":"1.0","type":"link"}