{"product_id":"kadiby-3157na-amber-bulbs-20-pack-12v-dual-filament-27-7w-halogen-for-turn-signals","title":"Kadiby 3157NA Amber Bulbs 20-Pack — 12V Dual-Filament 27\/7W Halogen for Turn Signals","description":"\u003cp\u003e\u003cstrong\u003eKadiby 20-pack 3157NA amber bulbs are replacement halogen lamps for parking, turn signal and marker lights compatible with many 12V automotive sockets.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need a bulk set of amber 3157-style bulbs for routine service, restoration or fleet maintenance, this 20-pack from Kadiby delivers widely compatible, easy-to-install halogen replacements. They work in many vehicles that accept 3157NA \/ 3457NA \/ 3157A \/ 4157A cross-references and provide the traditional amber output for signaling and marker applications. These bulbs are intended as direct-fit replacements for sockets that expect a dual-filament 27\/7W lamp and do not require electronic adapters.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and sockets will these 3157NA bulbs fit?\u003c\/h3\u003e\n\u003cp\u003eThese bulbs fit many American and international models that use the 3157-style dual-filament lamp. Compatibility lists include numerous GM, Ford, Chrysler and other models across multiple years; use your owner manual or existing bulb code to confirm fit before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect cross-references: 3157NA, 3457NA, 3157A, 4157A and equivalents like 3047A, 3057A, 4057A, 4114A.\u003c\/li\u003e\n  \u003cli\u003eCommon fits include Silverado, Tahoe, Suburban, F-series, Grand Cherokee, Expedition, and many sedans and minivans listed by model\/year.\u003c\/li\u003e\n  \u003cli\u003eDesigned for standard 12V dual-filament sockets (27\/7W) used in parking, turn signal and side marker circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these halogen bulbs compare to LED replacements?\u003c\/h3\u003e\n\u003cp\u003eHalogen bulbs like these keep the factory electrical and optical behavior, so they typically install without error codes or load resistors. They produce warm amber light and the expected filament-based flash pattern, though they use more power than LEDs and have different longevity characteristics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo CANbus adapters required in most applications—fits like-for-like in halogen circuits.\u003c\/li\u003e\n  \u003cli\u003eTraditional filament brightness and color for legal signaling and compliant appearance.\u003c\/li\u003e\n  \u003cli\u003eGreater initial cost-effectiveness for bulk replacement versus LED retrofits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the practical specs and installation tips?\u003c\/h3\u003e\n\u003cp\u003eEach lamp is a 12-volt dual-filament 27\/7W halogen amber bulb sold in a pack of 20 for multiple replacements. Install by accessing the lamp housing, removing the socket, pulling out the old bulb and pressing the new 3157-style bulb into the same socket—no wiring changes required for compatible vehicles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated for standard 12V systems; each bulb contains two filaments for tail\/stop or parking\/turn functions.\u003c\/li\u003e\n  \u003cli\u003eAmber lens\/color built into the bulb for consistent turn-signal appearance.\u003c\/li\u003e\n  \u003cli\u003eHandle bulbs with a clean cloth or gloves to avoid skin oils on glass, which can shorten life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Technicians, fleet managers, restoration hobbyists and car owners who maintain classic or current vehicles that require 3157-style amber signaling bulbs will find this Kadiby 20-pack convenient and economical. If you prefer plug-and-play halogen replacements without modifying vehicle electronics, need to replenish multiple lamps at once, or are restoring a vehicle to factory appearance, this set is designed for those use cases. Always double-check your vehicle's bulb code and socket type before ordering to ensure compatibility.\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: Will these bulb replacements trigger a CANbus error?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Usually no—these halogen 3157NA bulbs are direct halogen replacements and typically do not require CANbus adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these bulbs suitable for turn signals and parking lights?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they are dual-filament 27\/7W amber bulbs designed for turn signals, parking lights and side markers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Kadiby","offers":[{"title":"Default Title","offer_id":48084362723486,"sku":"B0F6YQ1BZW","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/kadiby-front-packaging-3157na-20pack.jpg?v=1785851733","url":"https:\/\/northtrailauto.ca\/products\/kadiby-3157na-amber-bulbs-20-pack-12v-dual-filament-27-7w-halogen-for-turn-signals","provider":"North Trail Auto","version":"1.0","type":"link"}