{"product_id":"sealight-3157-led-turn-signal-bulbs-amber-pack-of-2-1800lm-360-omnidirectional-brightness","title":"SEALIGHT 3157 LED Turn Signal Bulbs Amber Pack of 2 — 1800LM, 360° Omnidirectional Brightness","description":"\u003cp\u003e\u003cstrong\u003eSEALIGHT 3157 LED Turn Signal Bulbs are amber, plug-and-play lamp replacements that deliver up to 1000% brighter, omnidirectional signaling for front and rear turn, marker, and parking light sockets.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese SEALIGHT J2 Series 3157\/3156 LED bulbs upgrade standard incandescent bulbs with high-output LED chips, aircraft-grade aluminum construction, and improved heat dissipation for longer life and clearer visibility. Designed to fit a wide range of automotive sockets, the bulbs provide a crisp amber flash without the dark spots or scattering that can reduce signal clarity. They’re non-polarity, easy to install, and intended for drivers who want a high-visibility, modern look for turn signals, side markers, and parking lights.\u003c\/p\u003e\n\n\u003ch3\u003eHow much brighter and more visible are these SEALIGHT 3157 bulbs?\u003c\/h3\u003e\n\u003cp\u003eThe J2 Series uses a 9W setup with laboratory-measured output around 1800 lumens and 360° omnidirectional illumination, producing a noticeably stronger amber signal compared with typical halogen bulbs. Increased lumen output helps other road users see your indicators sooner and more clearly in daylight and low-light conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated lab brightness: ~1800 LM per bulb (9W).\u003c\/li\u003e\n  \u003cli\u003e360° light dispersion eliminates black spots and uneven beams.\u003c\/li\u003e\n  \u003cli\u003eAmber tint tuned for clear turn-signal recognition.\u003c\/li\u003e\n  \u003cli\u003eDesigned to reduce glare to oncoming drivers while maximizing visibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these bulbs fit my vehicle and where can they be used?\u003c\/h3\u003e\n\u003cp\u003eSEALIGHT lists these bulbs as compatible replacements for many common sockets: 3156, 3157, 3056, 3456, 4156, 3057 and similar types. They work in turn signal housings, side marker housings, parking lights and some combo tail\/stop\/turn assemblies that accept these bases.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible socket types include: 3157, 3156, 3057, 4157 and related models.\u003c\/li\u003e\n  \u003cli\u003eSuitable locations: front and rear turn signals, side markers, parking lights.\u003c\/li\u003e\n  \u003cli\u003eAlways confirm original bulb type in your owner’s manual or on the existing bulb before purchase.\u003c\/li\u003e\n  \u003cli\u003eCheck Amazon fitment notes for vehicle-specific compatibility and locations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what about polarity or heat?\u003c\/h3\u003e\n\u003cp\u003eInstallation is plug-and-play and designed to match the size and base of standard halogen bulbs, so most owners can replace bulbs in under five minutes without tools. These LEDs are non-polarity, so they’ll operate regardless of insertion direction, and they feature aircraft-grade aluminum housings for faster heat dissipation and longer service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-polarity design—no need to test orientation during installation.\u003c\/li\u003e\n  \u003cli\u003eSame-size halogen-style design simplifies removal and insertion.\u003c\/li\u003e\n  \u003cli\u003eAircraft-grade aluminum body for ~200% faster heat dissipation versus standard LED housings.\u003c\/li\u003e\n  \u003cli\u003eEstimated long lifespan with solid socket connection; expected years of use under normal conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDo I need additional parts like resistors or can I expect hyper-flash?\u003c\/h3\u003e\n\u003cp\u003eSome vehicles with factory wiring may register lower resistance with LEDs and trigger rapid flash (hyper-flash) or dashboard warnings. Many users install these bulbs with no extra components, but select vehicles require an external resistor or an adapter harness to correct flash rate and avoid error codes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTry bulb swap first—many vehicles work without modification.\u003c\/li\u003e\n  \u003cli\u003eIf you experience hyper-flash or error messages, install load resistors or an LED-compatible flasher module.\u003c\/li\u003e\n  \u003cli\u003eRefer to vehicle-specific forums or a mechanic for wiring variations and best solutions.\u003c\/li\u003e\n  \u003cli\u003eCheck fitment notes and product listing for common vehicle exceptions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These SEALIGHT 3157 amber LED bulbs are aimed at drivers who want a brighter, more modern-looking turn signal or marker light with straightforward installation. They suit DIYers updating older incandescent setups, fleet vehicles needing clearer signaling, and owners who value increased on-road visibility and durable construction. Confirm socket compatibility for your make and model before purchase to ensure a painless swap.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these SEALIGHT 3157 LEDs plug-and-play?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they are non-polarity plug-and-play bulbs sized like halogen 3157\/3156; most installs take under five minutes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will I get hyper-flash or error codes after installing these LEDs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Some vehicles may need resistors or an LED flasher to prevent hyper-flash or errors; many vehicles work without extra parts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SEALIGHT","offers":[{"title":"Default Title","offer_id":55164499951959,"sku":"B0BYNCPK8L","price":33.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/sealight-3157-bulb-front-view.jpg?v=1790352857","url":"https:\/\/britishgarage.co.uk\/products\/sealight-3157-led-turn-signal-bulbs-amber-pack-of-2-1800lm-360-omnidirectional-brightness","provider":"British Garage","version":"1.0","type":"link"}