{"product_id":"karsparehub-halogen-headlights-for-gmc-sierra-yukon-1999-2007-direct-fit-sealed-assemblies-with-hb3-hb4-bulbs","title":"KarSpareHub Halogen Headlights for GMC Sierra\/Yukon 1999–2007 – Direct-Fit, Sealed Assemblies with HB3\/HB4 Bulbs","description":"\u003cp\u003e\u003cstrong\u003eKarSpareHub halogen replacement headlights are direct-fit, weather-sealed headlamp assemblies engineered to replace the factory units on compatible 1999–2007 GMC Sierra and 1999–2006 Yukon models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese headlight assemblies are built to match OEM dimensions and mounting points so they install cleanly without modification. Each lamp comes with the proper HB3 low beam and HB4 high beam bulbs installed, a UV-protected lens, and a sealed housing designed to resist moisture and road debris. The assemblies are tested for fit and finish using the listed OEM part references to ensure correct alignment with your vehicle’s styling and electrical connectors.\u003c\/p\u003e\n\n\u003ch3\u003eWhich GMC years and trims does this replace, and what part numbers match?\u003c\/h3\u003e\n\u003cp\u003eThese headlights are modeled to replace the factory lamps on 1999–2006 GMC Sierra 1500\/2500\/3500 and 2007 Sierra classic 1500\/2500\/3500, plus 2000–2006 GMC Yukon 1500\/2500 XL. They are not compatible with the 1999 Sierra old-body-style or 2007 Sierra new-body-style models. Reference OEM numbers are provided for cross-checking before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM references: 15850351, 15850352\u003c\/li\u003e\n  \u003cli\u003ePartslink cross: GM2502188, GM2503188\u003c\/li\u003e\n  \u003cli\u003eCompatibility note: excludes certain old\/new body variants\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these headlights hold up to weather and road conditions?\u003c\/h3\u003e\n\u003cp\u003eEach assembly uses a polyurethane (PUR) adhesive bead and a one-way breathable film to create a durable, watertight seal that resists fogging and ingress. Units undergo an air-tightness inspection to confirm the seal integrity and the coatings protect the lens from UV damage and yellowing over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSealed with PUR adhesive for waterproofing\u003c\/li\u003e\n  \u003cli\u003eOne-way breathable film stabilizes internal humidity\u003c\/li\u003e\n  \u003cli\u003eUV optical coating minimizes lens yellowing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kind of light output and bulbs are included?\u003c\/h3\u003e\n\u003cp\u003eThe assemblies arrive with HB3 sockets for low beam and HB4 sockets for high beam bulbs installed, delivering reliable halogen output suitable for highway and city driving. They meet SAE standards for beam pattern and brightness, providing clear forward illumination while maintaining proper cutoff to reduce glare.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded bulbs: HB3 (low) and HB4 (high)\u003c\/li\u003e\n  \u003cli\u003eSAE-compliant beam pattern and brightness\u003c\/li\u003e\n  \u003cli\u003eOptical coating keeps lens clarity over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what warranty coverage is offered?\u003c\/h3\u003e\n\u003cp\u003eThese headlights are built for bolt-on replacement and align with factory mounts and electrical plugs, so installation can be done at home or by a professional. If you want step-by-step guidance, reply \"DIY\" for detailed instructions. The product includes a 3-year limited coverage for defects under normal use; claims require order information and photos.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit mounting and factory-style connectors\u003c\/li\u003e\n  \u003cli\u003eDIY-ready with optional installation instructions\u003c\/li\u003e\n  \u003cli\u003e3-year warranty with simple replacement\/refund process\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: drivers restoring or maintaining late‑model GMC Sierra (1999–2007 classic variants) and GMC Yukon (2000–2006 XL) who want a direct-fit, OEM-referenced halogen headlight that resists moisture and lens aging. Choose these assemblies if you need a drop-in replacement with included HB3\/HB4 bulbs, sealed construction for durability, and a multi-year warranty for peace of mind.\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 the bulbs included with these headlight assemblies?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—each assembly comes with HB3 low-beam and HB4 high-beam bulbs preinstalled.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these fit my 2007 GMC Sierra?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit 2007 Sierra models labeled 'classic' only; they are not compatible with the 2007 new-body-style.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KarSpareHub","offers":[{"title":"Default Title","offer_id":48081130913950,"sku":"B0D2CY2RP6","price":105.29,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/karsparehub-headlight-front-assembly_2df1b6ec-7073-46e3-854c-569cbdf8f0ea.jpg?v=1785797118","url":"https:\/\/northtrailauto.ca\/products\/karsparehub-halogen-headlights-for-gmc-sierra-yukon-1999-2007-direct-fit-sealed-assemblies-with-hb3-hb4-bulbs","provider":"North Trail Auto","version":"1.0","type":"link"}