{"product_id":"hella-5-75in-round-h4-sealed-beam-headlight","title":"Hella 5.75in Round H4 Sealed Beam Headlight","description":"\u003cp class=\"nvn-hero\"\u003eThe Hella 002850871 is a 5.75 inch round replacement headlamp for tired old sealed beams. It runs a common H4 bulb and a standard lens, with optics tuned to put more light on the road while keeping glare down for oncoming traffic. Sold as a single lamp, with no built-in turn signal.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eIf you've got a classic car, an older truck, a motorcycle, or a piece of off-road equipment still running the original 5.75 inch round sealed beams, you already know the drill. The old units dim with age, the reflector clouds over, and one day a bulb dies and takes the whole sealed beam with it. This Hella 002850871 is the fix. It's a 5.75 inch round headlamp that drops into the same spot, runs a common H4 bulb, and gives you a cleaner, brighter beam than the tired glass you're pulling out.\u003c\/p\u003e\n\u003cp\u003eThe big win here is the optics. Hella has been grinding headlamp lenses and reflectors for a long time, and it shows. They designed this one to put more light on the road without cranking up the glare for the folks coming the other way. That matters. A lot of cheap round headlights just dump raw brightness everywhere, which lights up the fog and annoys oncoming drivers without actually helping you see. This one has a proper cutoff, so the hot spot lands where you need it and stays out of everyone's eyes.\u003c\/p\u003e\n\u003cp\u003eIt's a standard 5.75 inch (5 and three-quarter inch) round format, which is one of the most common headlamp sizes out there. Muscle cars, older pickups, off-roaders, cafe racers, tractors, and a pile of powersports and utility machines used this size from the factory. If your bucket, ring, and wiring were built for a 5.75 round sealed beam, this Hella lamp fits the same opening. Measure your existing lamp across the lens face to confirm before you order.\u003c\/p\u003e\n\u003cp\u003eUnder the lens it uses the H4 bulb, the workhorse dual-filament halogen that handles both low and high beam on a single bulb. That's a good thing for two reasons. First, H4 bulbs are everywhere, so a replacement is a few bucks at any parts counter instead of tossing the whole lamp like you did with the old sealed unit. Second, you're not locked into one output. Run a standard H4 for stock-style brightness, or step up within H4 spec if your wiring and housing can handle the heat.\u003c\/p\u003e\n\u003cp\u003eA couple of honest notes so there are no surprises. This lamp does not have a built-in turn signal, so if your setup used a combined headlight and turn indicator, you'll keep your signals separate. It's also sold as a single lamp, not a pair. Most vehicles run two headlights up front, so if you're doing both sides, order two so they match. Hella lists this as an off-road lamp, so if you're putting it on a street-driven vehicle, check your local rules on headlight approval before you rely on it for road use.\u003c\/p\u003e\n\u003cp\u003eInstallation is about as straightforward as headlights get. Pop the trim ring, unclip the old sealed beam, and either plug into the existing three-prong H4 connector or wire in a standard H4 pigtail. On older single-filament setups you may need to sort out separate high and low beam feeds, and a relay harness is never a bad idea on wiring that's been baking under the hood for decades. Seat the bulb retainer fully, make sure the gasket sits clean, and aim the beam on a wall before you hit the road. While you're in there, hit the connector with a little dielectric grease and you'll head off the corrosion that kills old headlight wiring.\u003c\/p\u003e\n\u003cp\u003eBottom line: it's a no-drama way to bring an old 5.75 round headlight setup back to life with better optics and an easy-to-source bulb. You get Hella build quality, a sensible beam pattern, and a size that fits a huge range of classic and utility vehicles. Just remember it's one lamp with no turn signal, so plan your order and your wiring around that.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003e5.75 inch round format fits the common 5-3\/4 inch sealed beam opening on classic and utility vehicles\u003c\/li\u003e\n  \u003cli\u003eStandard H4 dual-filament bulb runs low and high beam, and replacements are cheap and available at any parts counter\u003c\/li\u003e\n  \u003cli\u003eImproved Hella optics put more usable light on the road with a clean cutoff that limits glare for oncoming traffic\u003c\/li\u003e\n  \u003cli\u003eStandard lens design delivers a factory-style beam pattern\u003c\/li\u003e\n  \u003cli\u003eReplaces old-style sealed beam units, so a dead bulb no longer means tossing the whole lamp\u003c\/li\u003e\n  \u003cli\u003eNo built-in turn signal, keeping the lamp focused on forward lighting\u003c\/li\u003e\n  \u003cli\u003eSold as a single lamp, order two for a full front pair\u003c\/li\u003e\n  \u003cli\u003eHella build quality for long service life and consistent output\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 size headlight is this?\u003c\/summary\u003e\n    \u003cp\u003eIt's a 5.75 inch (5 and three-quarter inch) round lamp. That's one of the most common round headlight sizes, used on a lot of classic cars, older trucks, motorcycles, and off-road machines. Measure your existing lamp across the lens face to confirm the fit before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat bulb does it use?\u003c\/summary\u003e\n    \u003cp\u003eThe standard H4 dual-filament halogen bulb, which handles both low and high beam on a single bulb. H4 bulbs are inexpensive and sold just about everywhere, so replacements are easy to source.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it have a turn signal built in?\u003c\/summary\u003e\n    \u003cp\u003eNo. This lamp is headlight only, with no built-in turn signal. If your old unit combined the headlight and turn indicator, you'll run your turn signals separately.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this sold as a pair or a single lamp?\u003c\/summary\u003e\n    \u003cp\u003eIt's sold as a single lamp. Most vehicles run two headlights up front, so if you're replacing both sides, order two so the pair matches.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat vehicles use a 5.75 inch round headlight?\u003c\/summary\u003e\n    \u003cp\u003eA huge range of them. Muscle cars, older pickups, motorcycles, cafe racers, tractors, and plenty of off-road and utility equipment came with 5.75 inch round sealed beams from the factory. If your bucket and wiring were built for that size, this lamp fits the same opening.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat kind of beam pattern does it have?\u003c\/summary\u003e\n    \u003cp\u003eA standard lens pattern with Hella's improved optics. It's designed to put more usable light on the road with a clean cutoff, so the hot spot lands where you need it without throwing extra glare at oncoming traffic.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs it street legal?\u003c\/summary\u003e\n    \u003cp\u003eHella lists this as an off-road lamp. If you're installing it on a street-driven vehicle, check your local regulations on headlight approval before relying on it for road use.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow hard is it to install?\u003c\/summary\u003e\n    \u003cp\u003eAbout as easy as headlights get. Pop the trim ring, unclip the old sealed beam, and plug into the existing three-prong H4 connector or wire in a standard H4 pigtail. On older single-filament setups you may need to split out separate high and low beam feeds, and a relay harness is a smart add on aged wiring. Aim the beam on a wall before you drive.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I run a brighter bulb in it?\u003c\/summary\u003e\n    \u003cp\u003eYou can run any standard H4 bulb. You're not locked into one output like you were with the old fixed sealed beam. Just stay within H4 spec and make sure your wiring and housing can handle the heat of a higher-wattage bulb.\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 5.75in Round H4 Sealed Beam Replacement Headlight\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHella\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e002850871\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e760687714569\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\")\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\u003eLens Type\u003c\/th\u003e\n\u003ctd\u003eStandard Lens\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBulb Type\u003c\/th\u003e\n\u003ctd\u003eH4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTurn Signal\u003c\/th\u003e\n\u003ctd\u003eNo\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    \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\u003eLamp Category\u003c\/th\u003e\n\u003ctd\u003eOff-Road Headlamp\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOptical Design\u003c\/th\u003e\n\u003ctd\u003eImproved optics, controlled glare\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 size headlight is this?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a 5.75 inch (5 and three-quarter inch) round lamp. That's one of the most common round headlight sizes, used on a lot of classic cars, older trucks, motorcycles, and off-road machines. Measure your existing lamp across the lens face to confirm the fit before ordering.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What bulb does it use?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The standard H4 dual-filament halogen bulb, which handles both low and high beam on a single bulb. H4 bulbs are inexpensive and sold just about everywhere, so replacements are easy to source.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it have a turn signal built in?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. This lamp is headlight only, with no built-in turn signal. If your old unit combined the headlight and turn indicator, you'll run your turn signals separately.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this sold as a pair or a single lamp?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's sold as a single lamp. Most vehicles run two headlights up front, so if you're replacing both sides, order two so the pair matches.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What vehicles use a 5.75 inch round headlight?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A huge range of them. Muscle cars, older pickups, motorcycles, cafe racers, tractors, and plenty of off-road and utility equipment came with 5.75 inch round sealed beams from the factory. If your bucket and wiring were built for that size, this lamp fits the same opening.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What kind of beam pattern does it have?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A standard lens pattern with Hella's improved optics. It's designed to put more usable light on the road with a clean cutoff, so the hot spot lands where you need it without throwing extra glare at oncoming traffic.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is it street legal?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Hella lists this as an off-road lamp. If you're installing it on a street-driven vehicle, check your local regulations on headlight approval before relying on it for road use.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How hard is it to install?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"About as easy as headlights get. Pop the trim ring, unclip the old sealed beam, and plug into the existing three-prong H4 connector or wire in a standard H4 pigtail. On older single-filament setups you may need to split out separate high and low beam feeds, and a relay harness is a smart add on aged wiring. Aim the beam on a wall before you drive.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I run a brighter bulb in it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"You can run any standard H4 bulb. You're not locked into one output like you were with the old fixed sealed beam. Just stay within H4 spec and make sure your wiring and housing can handle the heat of a higher-wattage bulb.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Hella","offers":[{"title":"Default Title","offer_id":45065528737885,"sku":"2008824","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_3dd1c978-ad1f-4fe0-96e0-ff8bb4252a1e.jpg?v=1789626094","url":"https:\/\/nvnmarine.com\/products\/hella-5-75in-round-h4-sealed-beam-headlight","provider":"NVN Marine","version":"1.0","type":"link"}