{"product_id":"royal-enfield-591442-a-halogen-headlamp-bulb-12v-60-55w","title":"Royal Enfield 591442\/A – OEM Halogen Headlamp Bulb 12V 60\/55W for RE 350 \u0026 All Bikes with H4 Socket","description":"\u003cp data-start=\"997\" data-end=\"1400\"\u003eBring light back to your ride with the genuine \u003cstrong data-start=\"1071\" data-end=\"1133\"\u003eRoyal Enfield 591442\/A Halogen Headlamp Bulb (12V, 60\/55W)\u003c\/strong\u003e. This factory-spec bulb delivers the brightness and beam pattern your Royal Enfield was built to use, ensuring excellent visibility and safe riding at night. \u003c\/p\u003e\n\u003cp data-start=\"1402\" data-end=\"1670\"\u003eIt is ideal for Royal Enfield models like Bullet, Classic, Meteor (if they use the same bulb spec) and any bike using an \u003cstrong data-start=\"1523\" data-end=\"1538\"\u003eH4 \/ 60\/55W\u003c\/strong\u003e halogen fitting. Because it’s OEM, it matches factory tolerances, focus pattern, and durability better than generic replacements.\u003c\/p\u003e\n\u003cp data-start=\"1672\" data-end=\"1866\"\u003e⚠️ \u003cstrong data-start=\"1675\" data-end=\"1693\"\u003eFitment check:\u003c\/strong\u003e Always verify that your headlamp uses a \u003cstrong data-start=\"1734\" data-end=\"1767\"\u003e12V 60\/55W halogen (H4 style)\u003c\/strong\u003e bulb before ordering. If your current bulb differs, this part might not fit or function correctly.\u003c\/p\u003e\n\u003chr data-start=\"1868\" data-end=\"1871\"\u003e\n\u003cp data-start=\"1873\" data-end=\"1892\"\u003e\u003cstrong data-start=\"1873\" data-end=\"1890\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1893\" data-end=\"2199\"\u003e\n\u003cli data-start=\"1893\" data-end=\"1944\"\u003e\n\u003cp data-start=\"1895\" data-end=\"1944\"\u003eGenuine \u003cstrong data-start=\"1903\" data-end=\"1929\"\u003eRoyal Enfield 591442\/A\u003c\/strong\u003e halogen bulb\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1945\" data-end=\"1980\"\u003e\n\u003cp data-start=\"1947\" data-end=\"1980\"\u003eSpecifications: \u003cstrong data-start=\"1963\" data-end=\"1978\"\u003e12V, 60\/55W\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1981\" data-end=\"2019\"\u003e\n\u003cp data-start=\"1983\" data-end=\"2019\"\u003eCorrect OEM beam pattern and focus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2020\" data-end=\"2088\"\u003e\n\u003cp data-start=\"2022\" data-end=\"2088\"\u003eDesigned for Royal Enfield lighting groups \/ headlamp assemblies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2089\" data-end=\"2156\"\u003e\n\u003cp data-start=\"2091\" data-end=\"2156\"\u003eBetter reliability, heat \/ vibration tolerance vs generic bulbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2157\" data-end=\"2199\"\u003e\n\u003cp data-start=\"2159\" data-end=\"2199\"\u003ePlug-in replacement — no modifications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2201\" data-end=\"2204\"\u003e\n\u003cp data-start=\"2206\" data-end=\"2251\"\u003e\u003cstrong data-start=\"2206\" data-end=\"2249\"\u003eCompatibility Table (Trusted \/ Likely):\u003c\/strong\u003e\u003c\/p\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=\"2253\" data-end=\"2524\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2253\" data-end=\"2295\"\u003e\n\u003ctr data-start=\"2253\" data-end=\"2295\"\u003e\n\u003cth data-start=\"2253\" data-end=\"2261\" data-col-size=\"md\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"2261\" data-end=\"2277\" data-col-size=\"sm\"\u003eEngine \/ Spec\u003c\/th\u003e\n\u003cth data-start=\"2277\" data-end=\"2295\" data-col-size=\"md\"\u003eNotes \/ Source\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2339\" data-end=\"2524\"\u003e\n\u003ctr data-start=\"2339\" data-end=\"2524\"\u003e\n\u003ctd data-start=\"2339\" data-end=\"2405\" data-col-size=\"md\"\u003eClassic 350 \/ Bullet 350 \/ Bullet 500 (where H4 bulbs are used)\u003c\/td\u003e\n\u003ctd data-start=\"2405\" data-end=\"2420\" data-col-size=\"sm\"\u003e350 \/ 500 cc\u003c\/td\u003e\n\u003ctd data-start=\"2420\" data-end=\"2524\" data-col-size=\"md\"\u003e\n\u003cbr\u003e\u003cspan class=\"\" data-state=\"closed\"\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\u003chr data-start=\"2526\" data-end=\"2529\"\u003e\n\u003cp data-start=\"2531\" data-end=\"2555\"\u003e\u003cstrong data-start=\"2531\" data-end=\"2553\"\u003eVariants \/ Supply:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2556\" data-end=\"2652\"\u003e\n\u003cli data-start=\"2556\" data-end=\"2582\"\u003e\n\u003cp data-start=\"2558\" data-end=\"2582\"\u003ePart No.: \u003cstrong data-start=\"2568\" data-end=\"2580\"\u003e591442\/A\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2583\" data-end=\"2626\"\u003e\n\u003cp data-start=\"2585\" data-end=\"2626\"\u003eType: Halogen headlamp bulb, 12V 60\/55W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2627\" data-end=\"2652\"\u003e\n\u003cp data-start=\"2629\" data-end=\"2652\"\u003eSupplied: Single bulb\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2654\" data-end=\"2657\"\u003e\n\u003cp data-start=\"2659\" data-end=\"2691\"\u003e\u003cstrong data-start=\"2659\" data-end=\"2691\"\u003eFAQs :\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"2693\" data-end=\"4321\"\u003e\n\u003cli data-start=\"2693\" data-end=\"2861\"\u003e\n\u003cp data-start=\"2696\" data-end=\"2861\"\u003e\u003cstrong data-start=\"2696\" data-end=\"2732\"\u003eWhat connector type is 591442\/A?\u003c\/strong\u003e\u003cbr data-start=\"2732\" data-end=\"2735\"\u003e→ It is a \u003cstrong data-start=\"2748\" data-end=\"2777\"\u003ehalogen bulb for headlamp\u003c\/strong\u003e, typically an \u003cstrong data-start=\"2792\" data-end=\"2804\"\u003eH4 style\u003c\/strong\u003e (dual filament 60\/55W) in Royal Enfield lighting setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2863\" data-end=\"2998\"\u003e\n\u003cp data-start=\"2866\" data-end=\"2998\"\u003e\u003cstrong data-start=\"2866\" data-end=\"2914\"\u003eWill this bulb work as high beam \/ low beam?\u003c\/strong\u003e\u003cbr data-start=\"2914\" data-end=\"2917\"\u003e→ Yes — as an \u003cstrong data-start=\"2934\" data-end=\"2949\"\u003eH4 (60\/55W)\u003c\/strong\u003e, it has both high and low filament capabilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3000\" data-end=\"3166\"\u003e\n\u003cp data-start=\"3003\" data-end=\"3166\"\u003e\u003cstrong data-start=\"3003\" data-end=\"3053\"\u003eCan I use 591442\/A in non-Royal Enfield bikes?\u003c\/strong\u003e\u003cbr data-start=\"3053\" data-end=\"3056\"\u003e→ Absolutely — if your motorcycle uses an \u003cstrong data-start=\"3101\" data-end=\"3141\"\u003eH4 \/ 60\/55W halogen headlamp fitting\u003c\/strong\u003e, this OEM bulb will fit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3168\" data-end=\"3334\"\u003e\n\u003cp data-start=\"3171\" data-end=\"3334\"\u003e\u003cstrong data-start=\"3171\" data-end=\"3217\"\u003eIs 591442\/A better than aftermarket bulbs?\u003c\/strong\u003e\u003cbr data-start=\"3217\" data-end=\"3220\"\u003e→ Yes — being OEM, it offers better beam pattern accuracy, longer life, and reliable heat \/ vibration handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3336\" data-end=\"3498\"\u003e\n\u003cp data-start=\"3339\" data-end=\"3498\"\u003e\u003cstrong data-start=\"3339\" data-end=\"3380\"\u003eHow long will the 591442\/A bulb last?\u003c\/strong\u003e\u003cbr data-start=\"3380\" data-end=\"3383\"\u003e→ Typically, halogen headlight bulbs last \u003cstrong data-start=\"3428\" data-end=\"3445\"\u003e300–500 hours\u003c\/strong\u003e, depending on usage, voltage fluctuations, and heat.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3691\" data-end=\"3831\"\u003e\n\u003cp data-start=\"3694\" data-end=\"3831\"\u003e\u003cstrong data-start=\"3694\" data-end=\"3738\"\u003eWhat symptoms show when this bulb fails?\u003c\/strong\u003e\u003cbr data-start=\"3738\" data-end=\"3741\"\u003e→ Dim light, flickering, color shift, or full headlamp outage under certain conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3833\" data-end=\"3998\"\u003e\n\u003cp data-start=\"3836\" data-end=\"3998\"\u003e\u003cstrong data-start=\"3836\" data-end=\"3875\"\u003eCan I upgrade to LED \/ HID instead?\u003c\/strong\u003e\u003cbr data-start=\"3875\" data-end=\"3878\"\u003e→ Yes — but you’ll need an LED \/ HID conversion kit that fits your headlamp housing and maintains correct beam focus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4000\" data-end=\"4158\"\u003e\n\u003cp data-start=\"4003\" data-end=\"4158\"\u003e\u003cstrong data-start=\"4003\" data-end=\"4048\"\u003eHow to test the bulb before installation?\u003c\/strong\u003e\u003cbr data-start=\"4048\" data-end=\"4051\"\u003e→ Use a \u003cstrong data-start=\"4062\" data-end=\"4094\"\u003e12V test light or multimeter\u003c\/strong\u003e to supply similar voltage and check brightness before mounting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50456717754663,"sku":null,"price":187.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/B81BEDC8-CCEC-4B31-B1D6-6AA2CC2BD87B.jpg?v=1758888209","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-591442-a-halogen-headlamp-bulb-12v-60-55w","provider":"UNDER THE HOOD","version":"1.0","type":"link"}