{"product_id":"royal-enfield-140297c-joint-rubber-outer-chaincase-bullet-350-500","title":"Royal Enfield 140297\/C Joint Rubber \/ Outer Chaincase Rubber Seal – Bullet 350\/500 (Cast Iron\/AVL) – Genuine Type","description":"\u003cp data-start=\"394\" data-end=\"818\"\u003eIf your Royal Enfield is leaking oil\/grease from the \u003cstrong data-start=\"447\" data-end=\"472\"\u003eouter chaincase joint\u003c\/strong\u003e, the most common culprit is a hardened or flattened \u003cstrong data-start=\"525\" data-end=\"541\"\u003ejoint rubber\u003c\/strong\u003e. \u003cstrong data-start=\"543\" data-end=\"564\"\u003ePart No. 140297\/C\u003c\/strong\u003e is the correct \u003cstrong data-start=\"580\" data-end=\"610\"\u003ejoint rubber \/ rubber seal\u003c\/strong\u003e used at the \u003cstrong data-start=\"623\" data-end=\"648\"\u003eouter chaincase joint\u003c\/strong\u003e on \u003cstrong data-start=\"652\" data-end=\"683\"\u003eRoyal Enfield Bullet models\u003c\/strong\u003e (older platform—Cast Iron \/ AVL era), restoring proper sealing and reducing messy leaks on the left side of the engine\/chaincase area.\u003c\/p\u003e\n\u003cp data-start=\"820\" data-end=\"1121\"\u003eThis is a small but critical sealing part: once it compresses with age, you’ll see seepage after rides, chaincase contamination, and repeated “cleaning + leak” cycles. Replacing the joint rubber during chaincase service, clutch work, or leak rectification is the right fix—cheap part, big improvement.\u003c\/p\u003e\n\u003cp data-start=\"1123\" data-end=\"1305\"\u003e✅ \u003cstrong data-start=\"1125\" data-end=\"1162\"\u003eVerified fitment is listed below.\u003c\/strong\u003e If you’re unsure about your exact year\/engine platform, match your part number or share your VIN\/model photo before ordering to avoid returns.\u003c\/p\u003e\n\u003cp data-start=\"1307\" data-end=\"1493\"\u003eSources confirm the item as \u003cstrong data-start=\"1335\" data-end=\"1362\"\u003e140297\/C – JOINT RUBBER\u003c\/strong\u003e and describe it as a \u003cstrong data-start=\"1384\" data-end=\"1430\"\u003erubber seal \/ outer chaincase joint rubber\u003c\/strong\u003e for Bullet applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1495\" data-end=\"1498\"\u003e\n\u003ch2 data-start=\"1500\" data-end=\"1522\"\u003eKey Features \u003c\/h2\u003e\n\u003cul data-start=\"1523\" data-end=\"1937\"\u003e\n\u003cli data-start=\"1523\" data-end=\"1586\"\u003e\n\u003cp data-start=\"1525\" data-end=\"1586\"\u003eGenuine-type \u003cstrong data-start=\"1538\" data-end=\"1554\"\u003ejoint rubber\u003c\/strong\u003e for \u003cstrong data-start=\"1559\" data-end=\"1586\"\u003eouter chaincase sealing\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1587\" data-end=\"1651\"\u003e\n\u003cp data-start=\"1589\" data-end=\"1651\"\u003eHelps prevent \u003cstrong data-start=\"1603\" data-end=\"1625\"\u003eoil\/grease seepage\u003c\/strong\u003e from chaincase joint area\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1652\" data-end=\"1698\"\u003e\n\u003cp data-start=\"1654\" data-end=\"1698\"\u003eDirect replacement for \u003cstrong data-start=\"1677\" data-end=\"1698\"\u003ePart No. 140297\/C\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1699\" data-end=\"1769\"\u003e\n\u003cp data-start=\"1701\" data-end=\"1769\"\u003eIdeal during \u003cstrong data-start=\"1714\" data-end=\"1769\"\u003echaincase opening \/ clutch inspection \/ leak repair\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1770\" data-end=\"1829\"\u003e\n\u003cp data-start=\"1772\" data-end=\"1829\"\u003eRestores proper compression seal vs. old flattened rubber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1830\" data-end=\"1886\"\u003e\n\u003cp data-start=\"1832\" data-end=\"1886\"\u003eImproves cleanliness around left engine\/chaincase side\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1887\" data-end=\"1937\"\u003e\n\u003cp data-start=\"1889\" data-end=\"1937\"\u003eLightweight, easy to store as a preventive spare\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1939\" data-end=\"1942\"\u003e\n\u003ch2 data-start=\"1944\" data-end=\"1986\"\u003eCompatibility\u003c\/h2\u003e\n\u003ch3 data-start=\"1987\" data-end=\"2036\"\u003eConfirmed by \u003cstrong data-start=\"2004\" data-end=\"2029\"\u003e2 independent sources\u003c\/strong\u003e (PASS)\u003c\/h3\u003e\n\u003cul data-start=\"2037\" data-end=\"2172\"\u003e\n\u003cli data-start=\"2037\" data-end=\"2172\"\u003e\n\u003cp data-start=\"2039\" data-end=\"2172\"\u003e\u003cstrong data-start=\"2039\" data-end=\"2085\"\u003eRoyal Enfield Bullet (Cast Iron \/ AVL era)\u003c\/strong\u003e – “fits Bullet” + Bullet model family references \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2174\" data-end=\"2283\"\u003eNot confirmed enough to publish as “fits” (FAIL – shown by only 1 source, so we are NOT claiming fitment)\u003c\/h3\u003e\n\u003cp data-start=\"2284\" data-end=\"2445\"\u003eSome catalogs list additional models, but they are \u003cstrong data-start=\"2335\" data-end=\"2357\"\u003esingle-source only\u003c\/strong\u003e and \u003cstrong data-start=\"2362\" data-end=\"2384\"\u003enot published here\u003c\/strong\u003e to avoid wrong orders. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2447\" data-end=\"2752\"\u003e\u003cstrong data-start=\"2447\" data-end=\"2486\"\u003eReturn-prevention note (must read):\u003c\/strong\u003e\u003cbr data-start=\"2486\" data-end=\"2489\"\u003eThis part number commonly appears on \u003cstrong data-start=\"2526\" data-end=\"2566\"\u003eolder Bullet\/AVL-type parts catalogs\u003c\/strong\u003e. It is \u003cstrong data-start=\"2574\" data-end=\"2609\"\u003eNOT verified for UCE \/ J-Series\u003c\/strong\u003e engines by two independent sources, so \u003cstrong data-start=\"2649\" data-end=\"2751\"\u003edo not buy for UCE “Classic 350\/500 UCE \/ GT 535 UCE” unless your old part number matches 140297\/C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2754\" data-end=\"2757\"\u003e\n\u003ch2 data-start=\"2759\" data-end=\"2770\"\u003eVariants\u003c\/h2\u003e\n\u003cul data-start=\"2771\" data-end=\"2807\"\u003e\n\u003cli data-start=\"2771\" data-end=\"2807\"\u003e\n\u003cp data-start=\"2773\" data-end=\"2807\"\u003e\u003cstrong data-start=\"2773\" data-end=\"2791\"\u003eSingle option:\u003c\/strong\u003e 140297\/C (1 pc)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2809\" data-end=\"2812\"\u003e\n\u003ch2 data-start=\"2814\" data-end=\"2834\"\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul data-start=\"2835\" data-end=\"2910\"\u003e\n\u003cli data-start=\"2835\" data-end=\"2910\"\u003e\n\u003cp data-start=\"2837\" data-end=\"2910\"\u003e\u003cstrong data-start=\"2837\" data-end=\"2886\"\u003e1 × Joint Rubber (Outer Chaincase Joint Seal)\u003c\/strong\u003e – Part No. \u003cstrong data-start=\"2898\" data-end=\"2910\"\u003e140297\/C\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2912\" data-end=\"2915\"\u003e\n\u003ch2 data-start=\"2917\" data-end=\"2938\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul data-start=\"2939\" data-end=\"3157\"\u003e\n\u003cli data-start=\"2939\" data-end=\"3012\"\u003e\n\u003cp data-start=\"2941\" data-end=\"3012\"\u003eReplace while the chaincase is open; clean joint surfaces before refit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3013\" data-end=\"3095\"\u003e\n\u003cp data-start=\"3015\" data-end=\"3095\"\u003eIf seepage continues, inspect mating surface flatness and related gaskets\/seals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3096\" data-end=\"3157\"\u003e\n\u003cp data-start=\"3098\" data-end=\"3157\"\u003eIf your bike is UCE\/J-Series: \u003cstrong data-start=\"3128\" data-end=\"3156\"\u003everify part number first\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3159\" data-end=\"3162\"\u003e\n\u003ch2 data-start=\"3164\" data-end=\"3196\"\u003eFAQs \u003c\/h2\u003e\n\u003cp data-start=\"3197\" data-end=\"3367\"\u003e\u003cstrong data-start=\"3197\" data-end=\"3231\"\u003eQ1. What is 140297\/C used for?\u003c\/strong\u003e\u003cbr data-start=\"3231\" data-end=\"3234\"\u003eIt’s a \u003cstrong data-start=\"3241\" data-end=\"3271\"\u003ejoint rubber \/ rubber seal\u003c\/strong\u003e used at the \u003cstrong data-start=\"3284\" data-end=\"3309\"\u003eouter chaincase joint\u003c\/strong\u003e to prevent seepage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3369\" data-end=\"3535\"\u003e\u003cstrong data-start=\"3369\" data-end=\"3436\"\u003eQ2. Will it fit Classic 350 UCE \/ Classic 500 UCE \/ GT 535 UCE?\u003c\/strong\u003e\u003cbr data-start=\"3436\" data-end=\"3439\"\u003eNot confirmed by two independent sources. Buy only if your old part number matches \u003cstrong data-start=\"3522\" data-end=\"3534\"\u003e140297\/C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3537\" data-end=\"3674\"\u003e\u003cstrong data-start=\"3537\" data-end=\"3576\"\u003eQ3. Symptoms of a bad joint rubber?\u003c\/strong\u003e\u003cbr data-start=\"3576\" data-end=\"3579\"\u003eGrease\/oil seepage from chaincase joint, persistent wetness on left side, messy chaincase area.\u003c\/p\u003e\n\u003cp data-start=\"3676\" data-end=\"3760\"\u003e\u003cstrong data-start=\"3676\" data-end=\"3701\"\u003eQ4. Is this a gasket?\u003c\/strong\u003e\u003cbr data-start=\"3701\" data-end=\"3704\"\u003eIt’s a \u003cstrong data-start=\"3711\" data-end=\"3739\"\u003erubber seal\/joint rubber\u003c\/strong\u003e, not a paper gasket.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":51013126619431,"sku":null,"price":39.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/B3F550C6-792B-4BC4-8439-7ABBA6D0E000.jpg?v=1770490935","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-140297c-joint-rubber-outer-chaincase-bullet-350-500","provider":"UNDER THE HOOD","version":"1.0","type":"link"}