{"product_id":"royal-enfield-1030050d-front-brake-master-cylinder-cover-interceptor-650","title":"Royal Enfield 1030050\/D – Front Brake Master Cylinder Cover (Reservoir Cap, Silver) for Interceptor 650 (BS6\/Euro 5) – Genuine OEM","description":"\u003cp data-start=\"279\" data-end=\"833\"\u003eRefresh the handlebar cockpit and stop weeping around the reservoir with the genuine \u003cstrong data-start=\"364\" data-end=\"413\"\u003eRoyal Enfield 1030050\/D Master Cylinder Cover\u003c\/strong\u003e. This is the \u003cstrong data-start=\"427\" data-end=\"456\"\u003efront brake reservoir cap\u003c\/strong\u003e used on \u003cstrong data-start=\"465\" data-end=\"497\"\u003eInterceptor 650 (BS6\/Euro 5)\u003c\/strong\u003e. Being OEM, it matches the factory \u003cstrong data-start=\"533\" data-end=\"575\"\u003escrew spacing, sealing lip, and finish\u003c\/strong\u003e, so it sits perfectly flat on the ByBre master cylinder, compresses the diaphragm evenly, and resists vibration and fluid misting. Cheap pattern caps often have off-spec machining or soft plating that warps or stains—causing leaks and a messy lever perch.\u003c\/p\u003e\n\u003cp data-start=\"835\" data-end=\"1429\"\u003eUse this cap whenever the original is scratched, bent, warped from over-tightening, or if you’re restoring the bike to stock after a repaint. Reuse your existing diaphragm if it’s supple and undamaged; replace if it’s swollen or torn. Two JIS screws secure the cap—tighten evenly and avoid over-torque. This listing is \u003cstrong data-start=\"1154\" data-end=\"1202\"\u003erestricted to the Interceptor 650 BS6\/Euro 5\u003c\/strong\u003e because that compatibility is explicitly shown on the Royal Enfield spares portal (see your screenshot). If you have a different year\/spec, share your \u003cstrong data-start=\"1354\" data-end=\"1361\"\u003eVIN\u003c\/strong\u003e and we’ll confirm the exact code before dispatch to reduce returns.\u003c\/p\u003e\n\u003ch1 data-start=\"1431\" data-end=\"1445\"\u003eKey Features\u003c\/h1\u003e\n\u003cul data-start=\"1446\" data-end=\"1805\"\u003e\n\u003cli data-start=\"1446\" data-end=\"1525\"\u003e\n\u003cp data-start=\"1448\" data-end=\"1525\"\u003e\u003cstrong data-start=\"1448\" data-end=\"1463\"\u003eGenuine OEM\u003c\/strong\u003e Royal Enfield cap — part no. \u003cstrong data-start=\"1493\" data-end=\"1506\"\u003e1030050\/D\u003c\/strong\u003e (silver finish).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1526\" data-end=\"1602\"\u003e\n\u003cp data-start=\"1528\" data-end=\"1602\"\u003eExact OE fit for \u003cstrong data-start=\"1545\" data-end=\"1576\"\u003efront brake master cylinder\u003c\/strong\u003e on Interceptor 650 BS6.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1603\" data-end=\"1683\"\u003e\n\u003cp data-start=\"1605\" data-end=\"1683\"\u003eCorrect sealing geometry for the reservoir diaphragm; reduces fluid misting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1684\" data-end=\"1754\"\u003e\n\u003cp data-start=\"1686\" data-end=\"1754\"\u003eFactory plating and corrosion resistance; clean, stock appearance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1755\" data-end=\"1805\"\u003e\n\u003cp data-start=\"1757\" data-end=\"1805\"\u003eDirect bolt-on with OE screws; no modifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"1807\" data-end=\"1845\"\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=\"1847\" data-end=\"2029\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1847\" data-end=\"1892\"\u003e\n\u003ctr data-start=\"1847\" data-end=\"1892\"\u003e\n\u003cth data-start=\"1847\" data-end=\"1855\" data-col-size=\"sm\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"1855\" data-end=\"1866\" data-col-size=\"sm\"\u003ePosition\u003c\/th\u003e\n\u003cth data-start=\"1866\" data-end=\"1883\" data-col-size=\"sm\"\u003eEmission Stage\u003c\/th\u003e\n\u003cth data-start=\"1883\" data-end=\"1892\" data-col-size=\"sm\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1911\" data-end=\"2029\"\u003e\n\u003ctr data-start=\"1911\" data-end=\"2029\"\u003e\n\u003ctd data-start=\"1911\" data-end=\"1942\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1913\" data-end=\"1941\"\u003eInterceptor 650 (INT650)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1942\" data-end=\"1988\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1944\" data-end=\"1987\"\u003eFront brake master cylinder (handlebar)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1988\" data-end=\"2007\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1990\" data-end=\"2006\"\u003eBS6 \/ Euro 5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2007\" data-end=\"2029\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2009\" data-end=\"2027\"\u003e2020 → Present\u003c\/strong\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\u003cblockquote data-start=\"2031\" data-end=\"2134\"\u003e\n\u003cp data-start=\"2033\" data-end=\"2134\"\u003e❓ Not listed here: Euro 4\/BS4 INT650 and Continental GT 650. Order only after VIN\/label confirmation.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch1 data-start=\"2136\" data-end=\"2165\"\u003eVariants \u003c\/h1\u003e\n\u003cul data-start=\"2166\" data-end=\"2327\"\u003e\n\u003cli data-start=\"2166\" data-end=\"2225\"\u003e\n\u003cp data-start=\"2168\" data-end=\"2225\"\u003e\u003cstrong data-start=\"2168\" data-end=\"2223\"\u003e1030050\/D – Front master cylinder cover (this item)\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"2329\" data-end=\"2335\"\u003eFAQs\u003c\/h1\u003e\n\u003cp data-start=\"2336\" data-end=\"2456\"\u003e\u003cstrong data-start=\"2336\" data-end=\"2380\"\u003eQ1. Is this for the front or rear brake?\u003c\/strong\u003e\u003cbr data-start=\"2380\" data-end=\"2383\"\u003e\u003cstrong data-start=\"2383\" data-end=\"2392\"\u003eFront\u003c\/strong\u003e brake master cylinder (handlebar) on \u003cstrong data-start=\"2430\" data-end=\"2453\"\u003eInterceptor 650 BS6\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2458\" data-end=\"2584\"\u003e\u003cstrong data-start=\"2458\" data-end=\"2492\"\u003eQ2. Do I need a new diaphragm?\u003c\/strong\u003e\u003cbr data-start=\"2492\" data-end=\"2495\"\u003eNot always. Inspect the rubber: replace if swollen, cracked, or torn for a proper seal.\u003c\/p\u003e\n\u003cp data-start=\"2586\" data-end=\"2741\"\u003e\u003cstrong data-start=\"2586\" data-end=\"2646\"\u003eQ3. Will it fit my 2019 (BS4) Interceptor or the GT 650?\u003c\/strong\u003e\u003cbr data-start=\"2646\" data-end=\"2649\"\u003eNot confirmed. Send your \u003cstrong data-start=\"2674\" data-end=\"2681\"\u003eVIN\u003c\/strong\u003e or old part photo and we’ll cross-check the correct code.\u003c\/p\u003e\n\u003cp data-start=\"2743\" data-end=\"2886\"\u003e\u003cstrong data-start=\"2743\" data-end=\"2768\"\u003eQ4. Any install tips?\u003c\/strong\u003e\u003cbr data-start=\"2768\" data-end=\"2771\"\u003eLevel the reservoir, snug both screws evenly (don’t over-tighten), and wipe any DOT 4 immediately to protect paint.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50593429750055,"sku":null,"price":135.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/Interceptor_650_front_reservoir_cap_silver_OEM_1030050D.png?v=1761648382","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-1030050d-front-brake-master-cylinder-cover-interceptor-650","provider":"UNDER THE HOOD","version":"1.0","type":"link"}