{"product_id":"hella-5-75-inch-round-h1-sealed-beam-headlamp-12v","title":"Hella 5.75 Inch Round H1 Sealed Beam Headlamp 12V","description":"\u003cp class=\"nvn-hero\"\u003eThis Hella 5.75 inch round headlamp is a straight replacement for an old-style sealed beam. Instead of tossing the whole unit when it burns out, you just swap the H1 bulb. It runs 12V, carries ECE approval, and uses improved optics that put more light on the road without throwing extra glare at oncoming traffic. Sold as a single lamp.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eHella built this 5.75 inch round headlamp to replace the old-school sealed beam that came in a lot of classic cars, trucks, tractors, and equipment. The original sealed beam was one throwaway unit. Filament, reflector, and lens all fused into a single piece of glass. When it burned out, the whole thing went in the trash. This lamp changes that. It uses a replaceable H1 halogen bulb behind the lens, so a burned-out light means a cheap bulb, not a new headlamp.\u003c\/p\u003e\n\u003cp\u003eThat one change matters more than it sounds. H1 bulbs are everywhere. Any parts counter carries them, they cost next to nothing, and you can swap one on the side of the road in a couple of minutes with the lamp still mounted. Keep a spare in the glovebox and you're never stuck driving home in the dark. And because the reflector and lens stay in the vehicle, the beam pattern you dialed in during aiming doesn't change every time you replace a bulb.\u003c\/p\u003e\n\u003cp\u003eThe optics are where Hella earns its name. This one uses an improved reflector and lens that push more usable light down the road without dumping extra glare up into the eyes of oncoming drivers. That's a real balance to strike. Cheap conversions often just make the light brighter and blind everyone coming the other way. This one keeps the beam controlled, which is exactly what you want on a two-lane road at night. You'll notice it most on dark back roads, where a controlled beam lights up the shoulders and the lane markings instead of scattering light everywhere.\u003c\/p\u003e\n\u003cp\u003eIt's a 12V lamp, so it drops into just about any standard automotive electrical system. The H1 connector is the common single-filament plug, and the housing follows the classic 5.75 inch round pattern that the four-headlamp cars and trucks of the 70s, 80s, and 90s used. If your vehicle ran a quad round setup, or a single round 5.75 on each side, this is the size you're matching. Always measure your bucket and check your existing lamp before ordering, because a 5.75 won't sit right in a 7 inch bucket.\u003c\/p\u003e\n\u003cp\u003eThis is the version without an integrated turn signal or position light. It's a pure headlamp. On vehicles that run the turn signals in a separate housing, that's exactly what you want. If your original lamp had a built-in marker or signal function, you'll want to keep that circuit handled elsewhere, because this lamp won't cover it.\u003c\/p\u003e\n\u003cp\u003eIt carries ECE approval, which is the European road-legal standard for headlamp beam pattern and output. That approval tells you the beam has been tested and controlled, not just thrown together. It's the same standard that lets these lamps pass inspection in a lot of regions, so you're not gambling on an untested beam. For show cars, restorations, and older imports, an ECE lamp is often the right call for a clean, correct look and a proper beam.\u003c\/p\u003e\n\u003cp\u003eSold as a single lamp. Most vehicles run two up front, and some quad setups run four, so count your buckets and order the quantity you need. Installation is straightforward for anyone comfortable with basic wiring. Pop the old sealed beam, transfer or connect the H1 plug, seat the new lamp in the bucket, and aim it against a wall before you hit the road. If your harness uses the older three-prong sealed-beam connector, you may need a simple adapter to land the H1 plug, so check your connector type first.\u003c\/p\u003e\n\u003cp\u003eBottom line, this is a smart upgrade for anyone still running sealed beams. You get modern replaceable-bulb convenience, controlled optics that actually help you see, and a name that's been building headlamps for a very long time. Just confirm your size and connector, order the right count, and you're set.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eReplaceable H1 halogen bulb, so a burned-out light means a cheap bulb, not a new headlamp\u003c\/li\u003e\n  \u003cli\u003e5.75 inch round housing matches the classic quad and single round headlamp pattern\u003c\/li\u003e\n  \u003cli\u003e12V operation drops into standard automotive electrical systems\u003c\/li\u003e\n  \u003cli\u003eImproved optics put more usable light on the road without adding glare for oncoming drivers\u003c\/li\u003e\n  \u003cli\u003eStandard clear lens for a clean, correct restoration look\u003c\/li\u003e\n  \u003cli\u003eECE approved for a tested, controlled beam pattern\u003c\/li\u003e\n  \u003cli\u003eNo integrated turn signal, a pure headlamp for vehicles with separate signal housings\u003c\/li\u003e\n  \u003cli\u003eSold as a single lamp, so you order the exact count your setup needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Hella Marine reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat bulb does this headlamp use?\u003c\/summary\u003e\n    \u003cp\u003eIt takes a replaceable H1 halogen bulb. That's the big advantage over an old sealed beam. When it burns out you swap a cheap, common bulb instead of replacing the whole lamp.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat size is this headlight?\u003c\/summary\u003e\n    \u003cp\u003eIt's a 5.75 inch round lamp, sometimes written 5-3\/4 inch. It matches the classic round headlamp pattern used on a lot of older cars, trucks, tractors, and equipment. Measure your existing lamp before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat voltage does it run?\u003c\/summary\u003e\n    \u003cp\u003e12V, so it works with standard automotive electrical systems.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it have a built-in turn signal?\u003c\/summary\u003e\n    \u003cp\u003eNo. This is the version without a turn signal or position light. It's a pure headlamp. If your vehicle runs its signals in a separate housing, that's exactly what you want.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs it sold as a pair or a single?\u003c\/summary\u003e\n    \u003cp\u003eIt's sold as a single lamp. Most vehicles run two up front, and some quad setups run four, so count your buckets and order the quantity you need.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill it fit my vehicle?\u003c\/summary\u003e\n    \u003cp\u003eIt follows the standard 5.75 inch round pattern, but you should always measure your headlight bucket and check your connector before ordering. A 5.75 won't seat correctly in a 7 inch bucket, and older three-prong sealed-beam harnesses may need a simple adapter for the H1 plug.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs it road legal?\u003c\/summary\u003e\n    \u003cp\u003eIt carries ECE approval, the European road-legal standard for headlamp beam pattern and output. That means the beam has been tested and controlled rather than just thrown together.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre sealed beam headlights better than this?\u003c\/summary\u003e\n    \u003cp\u003eAn old sealed beam is one fused piece of glass, so a dead filament means a whole new unit. This lamp keeps a controlled, tested beam but lets you replace just the H1 bulb. You get easier service and modern optics without giving up the classic round look.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it throw a lot of glare?\u003c\/summary\u003e\n    \u003cp\u003eNo. The improved optics are designed to put more usable light on the road without adding glare for oncoming traffic. The beam stays controlled instead of scattering light everywhere.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eHella 5.75 Inch Round H1 Sealed Beam Replacement Headlamp\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHella Marine\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eH11425011\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e00760687711575\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eKeystone Part Number\u003c\/th\u003e\n\u003ctd\u003eH57H11425011\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLamp Diameter\u003c\/th\u003e\n\u003ctd\u003e5.75 in (5-3\/4 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLamp Shape\u003c\/th\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBulb Type\u003c\/th\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLens\u003c\/th\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTurn Signal\u003c\/th\u003e\n\u003ctd\u003eWithout turn signal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eApproval\u003c\/th\u003e\n\u003ctd\u003eECE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOptics\u003c\/th\u003e\n\u003ctd\u003eImproved optics without increased glare\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eReplaces\u003c\/th\u003e\n\u003ctd\u003eSealed beam headlight\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What bulb does this headlamp use?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It takes a replaceable H1 halogen bulb. That's the big advantage over an old sealed beam. When it burns out you swap a cheap, common bulb instead of replacing the whole lamp.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What size is this headlight?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a 5.75 inch round lamp, sometimes written 5-3\/4 inch. It matches the classic round headlamp pattern used on a lot of older cars, trucks, tractors, and equipment. Measure your existing lamp before ordering.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What voltage does it run?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"12V, so it works with standard automotive electrical systems.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it have a built-in turn signal?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. This is the version without a turn signal or position light. It's a pure headlamp. If your vehicle runs its signals in a separate housing, that's exactly what you want.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is it sold as a pair or a single?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's sold as a single lamp. Most vehicles run two up front, and some quad setups run four, so count your buckets and order the quantity you need.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will it fit my vehicle?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It follows the standard 5.75 inch round pattern, but you should always measure your headlight bucket and check your connector before ordering. A 5.75 won't seat correctly in a 7 inch bucket, and older three-prong sealed-beam harnesses may need a simple adapter for the H1 plug.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is it road legal?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It carries ECE approval, the European road-legal standard for headlamp beam pattern and output. That means the beam has been tested and controlled rather than just thrown together.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Are sealed beam headlights better than this?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"An old sealed beam is one fused piece of glass, so a dead filament means a whole new unit. This lamp keeps a controlled, tested beam but lets you replace just the H1 bulb. You get easier service and modern optics without giving up the classic round look.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it throw a lot of glare?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The improved optics are designed to put more usable light on the road without adding glare for oncoming traffic. The beam stays controlled instead of scattering light everywhere.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Hella Marine","offers":[{"title":"Default Title","offer_id":45064006205533,"sku":"2008724","price":78.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_cb01edc0-aa07-4183-9900-2c2d139d4408.jpg?v=1789594106","url":"https:\/\/nvnmarine.com\/products\/hella-5-75-inch-round-h1-sealed-beam-headlamp-12v","provider":"NVN Marine","version":"1.0","type":"link"}