{"product_id":"royal-enfield-thunderbird-350-500-headlamp-assembly-594029c","title":"Royal Enfield Thunderbird 350 \u0026 500 Headlamp Assembly 594029\/C","description":"\u003ch1\u003eRoyal Enfield Thunderbird 350 \u0026amp; 500 Complete Headlamp Assembly with Bulbs – 594029\/C\u003c\/h1\u003e\n\n\u003cp\u003eRestore the original twin-lamp front lighting arrangement of the compatible Royal Enfield Thunderbird with this genuine complete headlamp assembly. The current manufacturer reference is \u003cstrong\u003e594029\/C\u003c\/strong\u003e, replacing the earlier catalogue number \u003cstrong\u003e594029\/A\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe original Thunderbird parts catalogue identifies this item as \u003cstrong\u003eHead Lamp Assembly with Bulb\u003c\/strong\u003e and shows one assembly for both Thunderbird 350 and Thunderbird 500. The assembly uses two separate H7 12V 55W bulbs in the original configuration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCritical fitment warning:\u003c\/strong\u003e this is for the original-generation Thunderbird headlamp arrangement. Do not order it for Thunderbird X, Meteor, Hunter, Classic, Bullet or another Royal Enfield merely because the lamp looks similar. Confirm the old part number, connector arrangement, mounting system and VIN-specific catalogue before opening the package.\u003c\/p\u003e\n\n\u003ch2\u003eWhat This Product Is\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Royal Enfield complete headlamp assembly\u003c\/li\u003e\n\u003cli\u003eCurrent part number \/ MPN: \u003cstrong\u003e594029\/C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEarlier superseded reference: \u003cstrong\u003e594029\/A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOriginal catalogue description: \u003cstrong\u003eHead Lamp Assembly with Bulb\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for the original Royal Enfield Thunderbird 350 and Thunderbird 500 headlamp system\u003c\/li\u003e\n\u003cli\u003eOriginal configuration uses two H7 12V 55W bulbs\u003c\/li\u003e\n\u003cli\u003eQuantity supplied: \u003cstrong\u003e1 complete headlamp assembly as factory packed\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOEM specification for correct beam-unit positioning and mounting geometry\u003c\/li\u003e\n\u003cli\u003eComplete-assembly replacement for damaged, cracked, corroded or incomplete original headlamp units\u003c\/li\u003e\n\u003cli\u003eMaintains the distinctive original Thunderbird front-end appearance\u003c\/li\u003e\n\u003cli\u003eCorrect current \/C service reference for the earlier \/A catalogue number\u003c\/li\u003e\n\u003cli\u003eModel-specific construction avoids the compromises of universal aftermarket lamps\u003c\/li\u003e\n\u003cli\u003eSuitable for restoration and accident-repair work where exact fitment is confirmed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eConfirmed Compatibility\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMotorcycle\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eConfirmation Required\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield Thunderbird 350\u003c\/td\u003e\n\u003ctd\u003eOriginal-generation \/ NT51 headlamp application\u003c\/td\u003e\n\u003ctd\u003eOld reference 594029\/A or current replacement 594029\/C must match\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield Thunderbird 500\u003c\/td\u003e\n\u003ctd\u003eOriginal-generation \/ NT51 headlamp application\u003c\/td\u003e\n\u003ctd\u003eOld reference 594029\/A or current replacement 594029\/C must match\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eSome seller records describe the applicable vehicles as 2013–2017 BSIII models. Registration year alone is not reliable because production, sale and registration dates vary. Use the motorcycle’s VIN-specific parts catalogue and the original assembly details as the final authority.\u003c\/p\u003e\n\n\u003ch2\u003eNot Confirmed \/ Do Not Assume\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThunderbird X 350 or Thunderbird X 500\u003c\/li\u003e\n\u003cli\u003eLater BSIV Thunderbird versions unless the VIN catalogue specifies 594029\/C\u003c\/li\u003e\n\u003cli\u003eMeteor 350, Super Meteor 650 or Shotgun 650\u003c\/li\u003e\n\u003cli\u003eClassic 350\/500, Bullet 350\/500 or Electra\u003c\/li\u003e\n\u003cli\u003eHunter 350, Himalayan, Scram or Guerrilla\u003c\/li\u003e\n\u003cli\u003eInterceptor 650 or Continental GT 650\u003c\/li\u003e\n\u003cli\u003eAny modified motorcycle using a universal lamp, altered wiring or custom brackets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Details\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRoyal Enfield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Part Number\u003c\/td\u003e\n\u003ctd\u003e594029\/C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrevious Reference\u003c\/td\u003e\n\u003ctd\u003e594029\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Part Name\u003c\/td\u003e\n\u003ctd\u003eHead Lamp Assembly with Bulb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalogue Family Code\u003c\/td\u003e\n\u003ctd\u003eNT51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOriginal Bulb Type\u003c\/td\u003e\n\u003ctd\u003eH7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOriginal Bulb Rating\u003c\/td\u003e\n\u003ctd\u003e12V 55W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOriginal Bulb Quantity\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity Supplied\u003c\/td\u003e\n\u003ctd\u003e1 assembly as factory packed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eComplete Assembly vs Individual Components\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eDifference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e594029\/C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eComplete headlamp assembly with bulbs\u003c\/td\u003e\n\u003ctd\u003eThis listing; replaces 594029\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e594579\/A\u003c\/td\u003e\n\u003ctd\u003eLens and inner housing sealed body with bulb\u003c\/td\u003e\n\u003ctd\u003eInternal lighting unit, not the complete assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e594580\/A\u003c\/td\u003e\n\u003ctd\u003eLens and inner housing sealed body without bulb\u003c\/td\u003e\n\u003ctd\u003eInternal unit supplied without bulb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e594573\/A\u003c\/td\u003e\n\u003ctd\u003eChrome-plated outer housing\u003c\/td\u003e\n\u003ctd\u003eHousing component only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e594574\/A\u003c\/td\u003e\n\u003ctd\u003eChrome-plated rim\u003c\/td\u003e\n\u003ctd\u003eRim component only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e594575\/A\u003c\/td\u003e\n\u003ctd\u003eHeadlamp installation\/add-on lead\u003c\/td\u003e\n\u003ctd\u003eWiring lead only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e594576\/A\u003c\/td\u003e\n\u003ctd\u003eMounting grommet\u003c\/td\u003e\n\u003ctd\u003eRubber mounting component only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e594577\/A\u003c\/td\u003e\n\u003ctd\u003eH7 12V 55W bulb\u003c\/td\u003e\n\u003ctd\u003eIndividual bulb only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e594578\/A\u003c\/td\u003e\n\u003ctd\u003eM6 headlamp mounting bolt\u003c\/td\u003e\n\u003ctd\u003eIndividual mounting fastener only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Will Receive\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1 × Genuine Royal Enfield complete headlamp assembly with bulbs – 594029\/C\u003c\/strong\u003e, in the configuration supplied inside the sealed factory package.\u003c\/p\u003e\n\n\u003cp\u003eExternal mounting brackets, motorcycle wiring harness, switches, fuses, extra grommets, loose fasteners or decorative parts are not included unless physically present in the sealed package and clearly shown in the product photographs.\u003c\/p\u003e\n\n\u003ch2\u003ePre-Purchase Fitment Checklist\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eConfirm the motorcycle is the original-generation Thunderbird 350 or Thunderbird 500.\u003c\/li\u003e\n\u003cli\u003eCheck that the old assembly is 594029\/A or that the current VIN catalogue specifies 594029\/C.\u003c\/li\u003e\n\u003cli\u003eCompare the complete lamp shape and twin-lamp arrangement.\u003c\/li\u003e\n\u003cli\u003eMatch all electrical connectors, wire colours and pin positions.\u003c\/li\u003e\n\u003cli\u003eMatch the mounting points, grommets, bolt spacing and housing clearance.\u003c\/li\u003e\n\u003cli\u003eConfirm that the motorcycle has not been converted to Thunderbird X or universal lighting.\u003c\/li\u003e\n\u003cli\u003eInspect the product photographs and package label before ordering.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInstallation should be completed by a qualified motorcycle electrician or Royal Enfield technician.\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery according to the workshop procedure before handling lighting wiring.\u003c\/li\u003e\n\u003cli\u003eCompare the new and removed assemblies before plugging in or making mounting marks.\u003c\/li\u003e\n\u003cli\u003eDo not cut wires, change connectors or drill mounting points to force compatibility.\u003c\/li\u003e\n\u003cli\u003eConfirm correct high beam, low beam, beam aim and warning-light operation after installation.\u003c\/li\u003e\n\u003cli\u003eUse only the specified bulb rating; an incorrect wattage can overheat wiring or housings.\u003c\/li\u003e\n\u003cli\u003eNever touch bulb glass with bare fingers.\u003c\/li\u003e\n\u003cli\u003eSet headlamp aim according to local regulations before riding at night.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReturn-Prevention and Electrical-Part Policy\u003c\/h2\u003e\n\u003cp\u003eConfirm the complete part number, model, variant, connector and mounting arrangement before opening the package. A correctly supplied electrical or lighting assembly is not returnable or refundable after opening, plugging in, testing, installing, making mounting marks, cutting wiring, changing connectors, damaging seals or using the motorcycle.\u003c\/p\u003e\n\n\u003cp\u003eRecord one continuous unboxing video from the sealed outer parcel through inspection of the complete assembly and package label. Any wrong, missing or transit-damaged-item claim must be reported within 24 hours of delivery with the unboxing video, labels, photographs and original packaging.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003e1. What is Royal Enfield part 594029\/C?\u003c\/h3\u003e\u003cp\u003eIt is the genuine complete headlamp assembly with bulbs for the compatible original-generation Thunderbird 350 and Thunderbird 500.\u003c\/p\u003e\n\u003ch3\u003e2. Does 594029\/C replace 594029\/A?\u003c\/h3\u003e\u003cp\u003eYes. The current \/C reference is listed as the replacement for the earlier 594029\/A assembly.\u003c\/p\u003e\n\u003ch3\u003e3. Is this a complete headlight?\u003c\/h3\u003e\u003cp\u003eYes. It is the complete headlamp assembly rather than only the chrome rim, housing or internal lens unit.\u003c\/p\u003e\n\u003ch3\u003e4. Are bulbs included?\u003c\/h3\u003e\u003cp\u003eThe factory description states “with bulb,” and the original assembly uses two H7 12V 55W bulbs. Confirm the sealed package contents before installation.\u003c\/p\u003e\n\u003ch3\u003e5. How many bulbs does the original assembly use?\u003c\/h3\u003e\u003cp\u003eTwo H7 12V 55W bulbs are shown for the original Thunderbird headlamp arrangement.\u003c\/p\u003e\n\u003ch3\u003e6. Does it fit Thunderbird 350?\u003c\/h3\u003e\u003cp\u003eYes, for the original headlamp application when the old or VIN-specific reference matches 594029\/A or 594029\/C.\u003c\/p\u003e\n\u003ch3\u003e7. Does it fit Thunderbird 500?\u003c\/h3\u003e\u003cp\u003eYes, subject to the same exact-reference, connector and mounting confirmation.\u003c\/p\u003e\n\u003ch3\u003e8. Does it fit Thunderbird X?\u003c\/h3\u003e\u003cp\u003eNo fitment is claimed for Thunderbird X. Its lighting style and application must not be confused with this assembly.\u003c\/p\u003e\n\u003ch3\u003e9. Is this only for BSIII models?\u003c\/h3\u003e\u003cp\u003eIt is commonly catalogued for the older Thunderbird application, including 2013–2017 BSIII listings. Confirm by VIN rather than registration year alone.\u003c\/p\u003e\n\u003ch3\u003e10. Will it fit a BSIV Thunderbird?\u003c\/h3\u003e\u003cp\u003eOnly if the VIN-specific Royal Enfield catalogue explicitly specifies 594029\/C.\u003c\/p\u003e\n\u003ch3\u003e11. Does it fit Classic or Bullet models?\u003c\/h3\u003e\u003cp\u003eNo compatibility is claimed for Classic, Bullet or Electra models.\u003c\/p\u003e\n\u003ch3\u003e12. Does it include the motorcycle wiring harness?\u003c\/h3\u003e\u003cp\u003eNo. The motorcycle’s main wiring harness is separate.\u003c\/p\u003e\n\u003ch3\u003e13. Is the chrome rim supplied?\u003c\/h3\u003e\u003cp\u003eThis is identified as a complete assembly, but buyers should verify the exact visible package contents in the product photographs.\u003c\/p\u003e\n\u003ch3\u003e14. Can I buy only the internal lamp unit?\u003c\/h3\u003e\u003cp\u003eOlder catalogues list separate internal-unit references, including 594579\/A and 594580\/A. Those are different products.\u003c\/p\u003e\n\u003ch3\u003e15. Can I install LED bulbs instead?\u003c\/h3\u003e\u003cp\u003eNo LED conversion compatibility is promised. Use only a setup approved for the exact housing, wiring and local regulations.\u003c\/p\u003e\n\u003ch3\u003e16. Can I splice the connector if it differs?\u003c\/h3\u003e\u003cp\u003eNo. A connector mismatch indicates that fitment has not been confirmed. Do not modify the assembly to force installation.\u003c\/p\u003e\n\u003ch3\u003e17. Can it be returned after plugging it in?\u003c\/h3\u003e\u003cp\u003eNo. Correctly supplied electrical components are not returnable after opening, plugging in, testing or installation.\u003c\/p\u003e\n\u003ch3\u003e18. Who should install and align it?\u003c\/h3\u003e\u003cp\u003eA qualified motorcycle electrician or Royal Enfield technician should install it and set the beam aim.\u003c\/p\u003e\n\u003ch3\u003e19. How do I avoid ordering the wrong headlamp?\u003c\/h3\u003e\u003cp\u003eMatch the complete part number, twin-lamp arrangement, connectors, mounting points and VIN-specific catalogue.\u003c\/p\u003e\n\u003ch3\u003e20. What is required for a transit-damage claim?\u003c\/h3\u003e\u003cp\u003eProvide a continuous unboxing video, package labels, clear photographs and original packaging within 24 hours of delivery.\u003c\/p\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":51731573768487,"sku":"594029\/C","price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-thunderbird-350-500-headlamp-assembly-594029c","provider":"UNDER THE HOOD","version":"1.0","type":"link"}