{"product_id":"sealight-h4-9003-led-headlight-fog-bulbs-6500k-cool-white-pack-of-2-70-000hr-life-active-turbo-fan","title":"SEALIGHT H4 (9003) LED Headlight\/Fog Bulbs 6500K Cool White, Pack of 2 — 70,000hr Life \u0026 Active Turbo Fan","description":"\u003cp\u003e\u003cstrong\u003eSEALIGHT H4 70000LM LED bulbs are plug-and-play replacement fog\/headlight bulbs that deliver bright 6500K cool white light, long 70,000+ hour life, and active cooling for stable performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese H4 (9003) bulbs are engineered to mimic the stock beam pattern while dramatically increasing perceived brightness for night driving and fog conditions. Built around 7545 CSP chips on a 2mm copper circuit board and paired with a turbo fan heat sink, the bulbs prioritize consistent output and extended service life without modifying your vehicle.\u003c\/p\u003e\n\n\u003ch3\u003eHow bright are these bulbs and what color do they produce?\u003c\/h3\u003e\n\u003cp\u003eThe bulbs output a combined 70,000 lumens per pair and emit a 6500K cool white tone that reads like daylight. That color temperature improves contrast on road signs and lane markings compared with yellowish halogens, making objects easier to notice without adding color distortion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6500K cool white color for crisp visibility\u003c\/li\u003e\n  \u003cli\u003eRated combined output up to 70,000LM per pair\u003c\/li\u003e\n  \u003cli\u003eEffective visibility range up to about 1600 feet in ideal conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill they fit my vehicle and are they hard to install?\u003c\/h3\u003e\n\u003cp\u003eSEALIGHT designed these H4 bulbs as true plug-and-play replacements compatible with most factory housings. The 360° adjustable locking ring and CANbus-ready driver reduce fitment issues and dashboard errors, so many users install them in under five minutes without tools or wiring changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eH4\/9003 form factor fits standard H4 sockets\u003c\/li\u003e\n  \u003cli\u003e360° adjustable locking ring for proper beam alignment\u003c\/li\u003e\n  \u003cli\u003eBuilt-in intelligent driver and CANbus compatibility to prevent errors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these bulbs manage heat and what lifespan can I expect?\u003c\/h3\u003e\n\u003cp\u003eThermal management is handled by a hollow heat sink and a high-speed 15,000 RPM turbo cooling fan that pulls heat away from the LED chips. That active cooling plus quality components supports a long operational life—rated up to 70,000 hours—reducing the frequency of replacements compared with standard halogen bulbs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-speed 15,000 RPM cooling fan for active heat dissipation\u003c\/li\u003e\n  \u003cli\u003eHollow aluminum heat sink to increase thermal surface area\u003c\/li\u003e\n  \u003cli\u003eLED lifespan quoted up to 70,000+ hours under normal conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kind of light pattern and on-road performance should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe 7545 CSP chips are positioned to replicate the filament location of OEM H4 bulbs, producing a focused, spot-free beam that preserves the original cutoff and reduces glare. This design aims to deliver a wider usable field of view while keeping oncoming-driver glare to a minimum when properly aimed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChip placement mirrors stock filament for accurate beam pattern\u003c\/li\u003e\n  \u003cli\u003eUniform, spot-free output for consistent road illumination\u003c\/li\u003e\n  \u003cli\u003eAdjustable mounting for precise cutoff and alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers who want a straightforward, high-output upgrade from halogen H4 bulbs—motorists, powersport riders, and fleet operators who need stronger long-distance illumination and lower maintenance. These bulbs suit anyone seeking plug-and-play installation, CANbus compatibility, and a cooler, whiter light without changing housings or wiring. If you have a vehicle with nonstandard lighting electronics, check fitment compatibility or contact SEALIGHT customer support for help before purchase.\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 H4 bulbs plug-and-play?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They use the H4\/9003 socket with a 360° adjustable ring for straightforward plug-and-play installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will they trigger dashboard error lights?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most vehicles won’t show errors—these are CANbus-ready with a built-in intelligent driver to minimize warnings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SEALIGHT","offers":[{"title":"Default Title","offer_id":67586874114233,"sku":"B0DGXNDDBS","price":102.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/sealight-front-view-pack-of-2.jpg?v=1790495212","url":"https:\/\/redleafauto.ca\/products\/sealight-h4-9003-led-headlight-fog-bulbs-6500k-cool-white-pack-of-2-70-000hr-life-active-turbo-fan","provider":"Redleaf Auto","version":"1.0","type":"link"}