{"product_id":"z-offroad-led-headlight-assembly-for-2003-2006-chevy-silverado-avalanche-dot-approved-sealed-beam-with-drl-hi-lo","title":"Z-OFFROAD LED Headlight Assembly for 2003–2006 Chevy Silverado \u0026 Avalanche — DOT‑Approved Sealed Beam with DRL Hi\/Lo","description":"\u003cp\u003e\u003cstrong\u003eZ-OFFROAD LED Headlight Assembly is a direct-fit, DOT-approved LED replacement that combines high\/low beams, DRL, turn signal and side marker functions for 2003–2006 Chevy Silverado and Avalanche models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese all-in-one sealed beam units are engineered to swap directly into the factory openings on compatible Silverados and Avalanches without cutting or splicing. Built with an integrated optic and a distinct Z-shaped beam cut-off, the lights deliver a broad, precise illumination pattern while meeting DOT standards and resisting moisture and road debris. The kit includes everything needed for a plug-and-play install so you can upgrade lighting performance and road visibility quickly.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these headlights improve visibility at night?\u003c\/h3\u003e\n\n\u003cp\u003eThe Z-OFFROAD assemblies use high-intensity LED chips and an engineered optic to produce much brighter, whiter light than OEM halogens. The lights offer separate high- and low-beam outputs designed to provide a clear usable road pattern without scattering glare.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh Beam: 168W total output per set, providing long-range illumination.\u003c\/li\u003e\n  \u003cli\u003eLow Beam: 108W total output per set for controlled near-field lighting.\u003c\/li\u003e\n  \u003cli\u003eZ-shaped cut-off reduces upward stray light to limit glare for oncoming drivers.\u003c\/li\u003e\n  \u003cli\u003eDRL and side marker functions increase daytime conspicuity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my 2003–2006 Chevy Silverado or Avalanche without modification?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the assemblies are designed as a direct replacement for specified GM part numbers and fit factory mounting points. The package is intended for bolt-in installation with no wiring harness modifications required for compatible trucks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatibility: 03–06 Silverado 1500\/2500\/3500 \u0026amp; HD; 07 Classic 1500\/2500\/3500 \u0026amp; HD Classic; 03–06 Avalanche 1500\/2500 (except factory body-cladding models).\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM part numbers listed in the product documentation for straightforward cross-referencing.\u003c\/li\u003e\n  \u003cli\u003eIncludes LED signal lights and resistor board for turn-signal integration when needed.\u003c\/li\u003e\n  \u003cli\u003eFollow the included user manual for socket alignment and connector seating—no cutting, no additional harnesses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and weatherproof are these LED headlamps?\u003c\/h3\u003e\n\n\u003cp\u003eThe housings use an integrated sealed construction with one-way breathing valves and high-strength adhesives to keep water and dust out. Materials include shatter-resistant PC lenses and corrosion-resistant housings for long service life under harsh road conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIP67-rated moisture resistance for reliable performance in rain and snow.\u003c\/li\u003e\n  \u003cli\u003eEight one-way breathing valves to balance pressure while preventing internal fogging.\u003c\/li\u003e\n  \u003cli\u003eShatterproof, anti-yellowing polycarbonate lens for extended clarity.\u003c\/li\u003e\n  \u003cli\u003eEstimated long-life LEDs and sealed heavy-duty housing for up to 50,000 hours of operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is included and what should I prepare for installation?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit comes complete with the components you need to install the headlights right away. Basic hand tools and a helper for alignment make the swap quicker; read the manual fully before beginning to ensure correct connector orientation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: 2 LED headlight assemblies, 2 LED signal lights, 2 resistor panel boards, black cotton harness tape, and a user manual.\u003c\/li\u003e\n  \u003cli\u003eNo extra bulbs or wiring harness purchases required for standard compatible models.\u003c\/li\u003e\n  \u003cli\u003eDo not use dielectric grease on contacts, as it may affect conductivity.\u003c\/li\u003e\n  \u003cli\u003eAllow small adjustments during alignment to ensure proper cut-off and fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? These Z-OFFROAD LED headlight assemblies are aimed at owners of 2003–2006 Chevy Silverado and Avalanche trucks who want a high-performance, direct-fit LED upgrade that improves nighttime visibility, modernizes front-end appearance, and resists moisture and road wear. They suit DIY installers and professional shops alike when a durable, DOT-approved lighting solution is required without major vehicle modifications.\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 headlights DOT approved?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the Z-OFFROAD assemblies are DOT approved for the listed Chevy Silverado and Avalanche applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need extra wiring or bulbs to install them?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No extra bulbs or harnesses are required for compatible models; the kit includes necessary signal lights and resistor boards.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Z-OFFROAD","offers":[{"title":"Default Title","offer_id":48080744317086,"sku":"B0C64W451C","price":423.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/z-offroad-front-view-assembly.jpg?v=1785785295","url":"https:\/\/northtrailauto.ca\/products\/z-offroad-led-headlight-assembly-for-2003-2006-chevy-silverado-avalanche-dot-approved-sealed-beam-with-drl-hi-lo","provider":"North Trail Auto","version":"1.0","type":"link"}