{"product_id":"karsparehub-halogen-headlight-assemblies-for-gmc-sierra-yukon-1999-2007-hb3-hb4-oem-fit-sealed-uv-coated","title":"KarSpareHub Halogen Headlight Assemblies for GMC Sierra \u0026 Yukon 1999–2007 — HB3\/HB4, OEM-fit, Sealed UV-coated","description":"\u003cstrong\u003eKarSpareHub halogen headlight assemblies replace the original lamps on compatible GMC Sierra (1999–2007) and Yukon (1999–2006) models, providing OEM-fit lighting with included HB3 low-beam and HB4 high-beam bulbs.\u003c\/strong\u003e\n\n\u003cp\u003eThese KarSpareHub headlamps are engineered to match factory mounting, electrical connections, and beam patterns for specified GMC trucks and SUVs. Each assembly meets listed OEM part references and has gone through air-tight and UV-protection processes to resist moisture and lens yellowing. Bulbs come pre-installed so you can restore safe night visibility immediately after fitment.\u003c\/p\u003e\n\n\u003ch3\u003eWill these headlights fit my GMC Sierra or Yukon?\u003c\/h3\u003e\n\u003cp\u003eIf your vehicle is a 1999–2006 GMC Yukon 1500\/2500 XL or a 1999–2006 GMC Sierra 1500\/2500\/3500 — including the 2007 Sierra Classic 1500\/2500\/3500 — these assemblies are designed for direct fit. They match OEM numbers 15850351 and 15850352 (Partslink GM2502188, GM2503188). Note excluded variations to avoid misfit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible: 1999–2006 GMC Yukon 1500 \/ 2500 XL\u003c\/li\u003e\n  \u003cli\u003eCompatible: 1999–2006 GMC Sierra 1500 \/ 2500 \/ 3500\u003c\/li\u003e\n  \u003cli\u003eCompatible: 2007 GMC Sierra 1500 \/ 2500 \/ 3500 Classic\u003c\/li\u003e\n  \u003cli\u003eNot compatible: 1999 Sierra Old Body Style, 2007 Sierra New Body Style, or GMC Yukon Denali\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and weather-resistant are these headlight assemblies?\u003c\/h3\u003e\n\u003cp\u003eDurability is addressed through a sealed housing and materials chosen to withstand road conditions. A specialized polyurethane adhesive and a one-way breathable film reduce water intrusion and internal condensation, while UV-treated lenses fend off discoloration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e100% air-tightness checked during production\u003c\/li\u003e\n  \u003cli\u003ePUR adhesive seals out moisture\u003c\/li\u003e\n  \u003cli\u003eBreathable film stabilizes internal humidity and temperature\u003c\/li\u003e\n  \u003cli\u003eUV optical coating delays lens yellowing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect from light output and compliance?\u003c\/h3\u003e\n\u003cp\u003eThese halogen assemblies provide a clear, regulated beam pattern suitable for night driving and meet SAE requirements. They come with matched HB3 low-beam and HB4 high-beam bulbs already installed to simplify replacement and ensure consistent performance straight out of the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes HB3 (low beam) and HB4 (high beam) bulbs\u003c\/li\u003e\n  \u003cli\u003eOptical lens coating for long-term clarity\u003c\/li\u003e\n  \u003cli\u003eDesigned to reproduce factory beam pattern\u003c\/li\u003e\n  \u003cli\u003eManufactured to conform with SAE standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what warranty is included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for a mechanic or a competent DIYer — the assemblies use factory-style connectors and mounting points. KarSpareHub backs the product with a three-year coverage period for defects arising from normal use; start a refund or replacement by supplying order details and photos.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFactory-style fitment, plug-and-play connectors\u003c\/li\u003e\n  \u003cli\u003eCan be installed at home or by a shop\u003c\/li\u003e\n  \u003cli\u003e3-year warranty for regular-use damage\u003c\/li\u003e\n  \u003cli\u003eWarranty instructions included in the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These KarSpareHub headlight assemblies are intended for owners of compatible GMC Sierra and Yukon trucks who need a reliable, OEM-fit replacement that restores original mounting and beam alignment. Choose this option if you want ready-to-install halogen lamps with built-in moisture protection and a multi-year warranty, whether repairing a collision-damaged unit or refreshing aged, yellowed lenses.\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: Do these headlights come with bulbs installed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Each assembly includes HB3 low-beam and HB4 high-beam bulbs pre-installed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What if the headlight fogs or leaks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Units are air-tightness tested and sealed; if you find regular-use damage within three years, file for replacement with your order number and photos.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KarSpareHub","offers":[{"title":"Default Title","offer_id":55161243631959,"sku":"B0D2CY2RP6","price":128.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/karsparehub-front-assembly-gmc-sierra-yukon.jpg?v=1790323042","url":"https:\/\/britishgarage.co.uk\/products\/karsparehub-halogen-headlight-assemblies-for-gmc-sierra-yukon-1999-2007-hb3-hb4-oem-fit-sealed-uv-coated","provider":"British Garage","version":"1.0","type":"link"}