{"product_id":"sylvania-9004-silverstar-ultra-halogen-headlight-bulbs-2-pack-whiter-brighter-beam","title":"SYLVANIA 9004 SilverStar Ultra Halogen Headlight Bulbs - 2-Pack, Whiter Brighter Beam","description":"\u003cp\u003e\u003cstrong\u003eSYLVANIA 9004 SilverStar Ultra bulbs are a high-performance halogen replacement set engineered to deliver a brighter, whiter beam for improved night-time visibility.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese 9004 (HB1) replacement bulbs from SYLVANIA are built to upgrade factory halogens with Tri-Band Technology that produces a whiter-looking light and enhanced contrast compared with standard OE lamps. Sold as a two-bulb pack, the SilverStar Ultra line is intended for drivers wanting greater on-road illumination without changing to HID or LED systems. Use the vehicle fit guide to confirm correct position and fit before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these bulbs improve what I see on the road?\u003c\/h3\u003e\n\u003cp\u003eThe SilverStar Ultra design emphasizes a cleaner, brighter light output that helps reveal more detail in the driving environment. Whiter light improves contrast against road signs and pavement textures, making it easier to spot hazards and markers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatented Tri-Band coating produces a whiter color temperature than standard halogens.\u003c\/li\u003e\n  \u003cli\u003eHigher perceived brightness improves object recognition at distance.\u003c\/li\u003e\n  \u003cli\u003eOptimized filament positioning for a focused beam pattern in common reflector and projector housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my car’s high beam, low beam or fog light housing?\u003c\/h3\u003e\n\u003cp\u003e9004 bulbs are a specific size\/style (also known as HB1) and can be used in compatible high-beam, low-beam, or combined high\/low beam applications where the vehicle requires 9004. Always verify fit using the vehicle part finder and check any position or notes listed for your model.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm bulb type (9004\/HB1) in the owner’s manual or part finder.\u003c\/li\u003e\n  \u003cli\u003eCheck the listed POSITION and NOTES for your exact vehicle application.\u003c\/li\u003e\n  \u003cli\u003eSome vehicles may use 9004 in fog or auxiliary positions—verify before replacing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain these halogen replacements?\u003c\/h3\u003e\n\u003cp\u003eInstallation is similar to most halogen bulbs: remove the headlight access cover, disconnect the connector, and replace the bulb without touching the glass. Replace bulbs in pairs for consistent color and output; mixing old and new bulbs reduces performance balance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHandle bulbs by the base only; oils on glass shorten life.\u003c\/li\u003e\n  \u003cli\u003eReplace both bulbs at the same time to maintain matched light output.\u003c\/li\u003e\n  \u003cli\u003eInspect headlight housings for moisture or wiring issues during replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect in terms of lifespan and safety?\u003c\/h3\u003e\n\u003cp\u003eHalogen performance declines gradually with use, so brightness and color shift over time are normal. These SilverStar Ultra bulbs focus on improved brightness and whiter light rather than extended life; monitor beam quality and replace both bulbs when visible dimming occurs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHalogen bulbs dim over their service life—plan to replace in pairs.\u003c\/li\u003e\n  \u003cli\u003eNot an HID\/LED conversion; designed for direct halogen replacement use.\u003c\/li\u003e\n  \u003cli\u003eFollow local regulations for headlight color and brightness to ensure compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Drivers who want a straightforward halogen upgrade for clearer night driving without altering the vehicle’s electrical system. Ideal for owners of cars that accept 9004\/HB1 bulbs who prefer whiter, higher-contrast illumination but want to retain a standard halogen setup. Confirm fit and position for your vehicle before purchasing to ensure correct installation and optimal beam pattern.\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 SYLVANIA 9004 SilverStar Ultra bulbs a plug-and-play replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they replace factory 9004 (HB1) halogen bulbs directly without modifications; confirm fitment and position for your vehicle first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I replace both 9004 bulbs at once?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — replacing both bulbs together ensures matched brightness and color, and avoids premature mismatch when one bulb dims or fails.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SYLVANIA","offers":[{"title":"Default Title","offer_id":48086760718494,"sku":"B000M5UD1E","price":58.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sylvania-9004-silverstar-ultra-front-packaging.jpg?v=1785903888","url":"https:\/\/northtrailauto.ca\/products\/sylvania-9004-silverstar-ultra-halogen-headlight-bulbs-2-pack-whiter-brighter-beam","provider":"North Trail Auto","version":"1.0","type":"link"}