{"product_id":"hella-marine-3057-halogen-bulb-12v-27-7w-w2-5x16q","title":"Hella Marine 3057 Halogen Bulb, 12V 27\/7W W2.5x16q","description":"\u003cp class=\"nvn-hero\"\u003eThe Hella Marine 3057 is a 12-volt dual-filament halogen replacement bulb with a clear S8 envelope and a W2.5x16q wedge base. The bright 27-watt filament handles stop or brake duty and the 7-watt filament covers running or tail light. One bulb, two jobs, built to Hella Marine's fit-and-forget standard. Sold individually.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eThe Hella Marine 3057 is a dual-filament miniature halogen bulb built for 12-volt systems. One bulb, two jobs. The bright 27-watt filament handles the high-output function like a brake or stop lamp, and the dimmer 7-watt filament covers the low-output side like a running or tail light. It's the kind of small part you don't think about until a lamp goes dark, and then it's the only thing that matters.\u003c\/p\u003e\n\u003cp\u003eThis is a clear, uncolored bulb with an S8 glass envelope and a W2.5x16q plastic wedge base. The wedge base means there's no metal bayonet pin to line up. You just push it straight into a matching socket and it seats. The quad-contact wedge is what lets a single bulb carry two separate filaments, so both circuits feed through the one base. If your fixture uses a W2.5x16q socket and calls for a 27\/7W bulb, this is the right shape.\u003c\/p\u003e\n\u003cp\u003eWe like Hella Marine for the small stuff because they treat it seriously. Their whole lamp line is built around a fit-and-forget idea, and a replacement bulb is exactly where that matters. You want to swap it once and move on, not babysit it. The glass and filament quality is why these hold up in the damp, vibration-heavy world of boats and trailers better than a bargain-bin bulb from the gas station.\u003c\/p\u003e\n\u003cp\u003eBecause it runs on 12 volts, this bulb drops straight into standard boat and trailer DC wiring without any converter or resistor. The halogen gas inside the envelope lets the filament burn hotter and brighter than a plain incandescent of the same wattage, and it recycles evaporated tungsten back onto the filament, so you get cleaner, whiter light that stays consistent as the bulb ages. For a safety lamp where other drivers need to actually see you, that brightness is the whole point.\u003c\/p\u003e\n\u003cp\u003eWhere does a 27\/7W dual-filament bulb usually live? Combination lamps. Any fixture that runs a steady low light and then jumps bright on demand uses this dual-filament setup. Think tail-and-brake or park-and-signal style housings. If you've pulled a dead bulb and it has two filaments inside and that familiar wedge base, you're in the right place. Always match the wattage and base to what your fixture specs, and when in doubt, read the number molded into the old bulb or stamped in the housing.\u003c\/p\u003e\n\u003cp\u003eA quick word on halogen handling, because it matters more than people expect. Don't touch the glass with bare fingers. The oil from your skin bakes onto the hot halogen envelope and creates a weak spot that shortens the bulb's life. Handle it by the plastic base, or use a clean cloth or glove. If you do smudge it, wipe it down with a little rubbing alcohol before you power it up. It's a 30-second habit that makes a real difference.\u003c\/p\u003e\n\u003cp\u003eInstallation is about as simple as it gets. Kill the power to the circuit. Pull the old bulb straight out of the wedge socket, no twisting needed. Line up the new one and press it home until it's fully seated. Restore power and test both functions, the bright side and the dim side, before you button everything back up. If only one filament lights, double-check the socket contacts and the ground.\u003c\/p\u003e\n\u003cp\u003eOne thing to be clear about: this listing is for a single bulb. Not a pair, not a multi-pack. If you're replacing bulbs on both sides of a trailer or a symmetrical lamp setup, order two so you've got a matched set and a known-good spare. Filaments tend to age together, so if one side just burned out, the other isn't far behind. It's cheap insurance.\u003c\/p\u003e\n\u003cp\u003eHonest take? There's nothing fancy here. It's a 12-volt, 27\/7W, clear halogen replacement bulb with a W2.5x16q base, and it does that one job well. If that's the spec your fixture needs, buy it with confidence. If your socket or wattage is different, this isn't the one, and we'd rather you get the right part than force a fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003e12V operation drops straight into standard boat and trailer DC lighting circuits\u003c\/li\u003e\n  \u003cli\u003e27\/7W dual filament runs two brightness levels from one bulb for combination stop and tail or park and signal lamps\u003c\/li\u003e\n  \u003cli\u003eW2.5x16q plastic wedge base pushes straight in with no bayonet pin to align\u003c\/li\u003e\n  \u003cli\u003eClear S8 glass envelope delivers uncolored white light\u003c\/li\u003e\n  \u003cli\u003eHalogen fill burns brighter and whiter than plain incandescent at the same wattage\u003c\/li\u003e\n  \u003cli\u003eSingle-bulb packaging lets you buy exactly the count you need\u003c\/li\u003e\n  \u003cli\u003eHella Marine fit-and-forget build quality stands up to vibration and moisture\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\u003eIs the Hella Marine 3057 a 12-volt bulb?\u003c\/summary\u003e\n    \u003cp\u003eYes. It's rated for 12V DC systems, which covers standard boat and trailer wiring. It drops straight in with no converter or resistor needed.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat do the 27\/7W numbers mean?\u003c\/summary\u003e\n    \u003cp\u003eIt's a dual-filament bulb. The 27-watt filament is the bright side for a function like brake or stop, and the 7-watt filament is the dim side for running or tail duty. One bulb handles both.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat base does this bulb use?\u003c\/summary\u003e\n    \u003cp\u003eA W2.5x16q plastic wedge base. There's no metal pin to twist or align. You push it straight into a matching wedge socket until it seats.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes 'Single' mean one bulb or a pair?\u003c\/summary\u003e\n    \u003cp\u003eOne bulb. This listing is for a single bulb. If you're replacing both sides of a trailer or a symmetrical lamp, order two for a matched set and a spare.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the S8 glass shape?\u003c\/summary\u003e\n    \u003cp\u003eS8 is the bulb's glass envelope designation, a straight-sided shape common to this family of miniature 12V wedge bulbs. It's the standard envelope for a 27\/7W wedge bulb.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I touch the glass when I install it?\u003c\/summary\u003e\n    \u003cp\u003eTry not to. Oil from your skin bakes onto a halogen envelope and creates a hot spot that shortens bulb life. Handle it by the plastic base, and if you do smudge the glass, wipe it with rubbing alcohol before powering it up.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this bulb clear or colored?\u003c\/summary\u003e\n    \u003cp\u003eClear. It produces uncolored white light. Any color you see comes from the lens in your fixture, not the bulb itself.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know this bulb fits my fixture?\u003c\/summary\u003e\n    \u003cp\u003eMatch three things: a 12V rating, 27\/7W dual-filament output, and the W2.5x16q wedge base. If your old bulb has two filaments and that wedge base, the 3057 is the right replacement. If your wattage or base differs, it isn't the one.\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 Marine 3057 Dual-Filament Halogen Bulb\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\u003e3057\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e760687144533\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\u003eWattage\u003c\/th\u003e\n\u003ctd\u003e27\/7W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFilament\u003c\/th\u003e\n\u003ctd\u003eDual filament\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBase\u003c\/th\u003e\n\u003ctd\u003eW2.5x16q\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBulb Shape\u003c\/th\u003e\n\u003ctd\u003eS8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eClear\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBulb Technology\u003c\/th\u003e\n\u003ctd\u003eMiniature Halogen\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eSingle bulb\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\": \"Is the Hella Marine 3057 a 12-volt bulb?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. It's rated for 12V DC systems, which covers standard boat and trailer wiring. It drops straight in with no converter or resistor needed.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What do the 27\/7W numbers mean?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a dual-filament bulb. The 27-watt filament is the bright side for a function like brake or stop, and the 7-watt filament is the dim side for running or tail duty. One bulb handles both.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What base does this bulb use?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A W2.5x16q plastic wedge base. There's no metal pin to twist or align. You push it straight into a matching wedge socket until it seats.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does 'Single' mean one bulb or a pair?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"One bulb. This listing is for a single bulb. If you're replacing both sides of a trailer or a symmetrical lamp, order two for a matched set and a spare.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the S8 glass shape?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"S8 is the bulb's glass envelope designation, a straight-sided shape common to this family of miniature 12V wedge bulbs. It's the standard envelope for a 27\/7W wedge bulb.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I touch the glass when I install it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Try not to. Oil from your skin bakes onto a halogen envelope and creates a hot spot that shortens bulb life. Handle it by the plastic base, and if you do smudge the glass, wipe it with rubbing alcohol before powering it up.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this bulb clear or colored?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Clear. It produces uncolored white light. Any color you see comes from the lens in your fixture, not the bulb itself.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I know this bulb fits my fixture?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Match three things: a 12V rating, 27\/7W dual-filament output, and the W2.5x16q wedge base. If your old bulb has two filaments and that wedge base, the 3057 is the right replacement. If your wattage or base differs, it isn't the one.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Hella Marine","offers":[{"title":"Default Title","offer_id":67601910988893,"sku":"2011350","price":4.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_a198011f-e4a0-4451-8063-6a21887001cf.jpg?v=1791026100","url":"https:\/\/nvnmarine.com\/products\/hella-marine-3057-halogen-bulb-12v-27-7w-w2-5x16q","provider":"NVN Marine","version":"1.0","type":"link"}