**OEM-Quality Assurance**: 𝐎𝐄𝐌# 15879433, 15879432, 84218437, 84218438, 𝐏𝐚𝐫𝐭𝐬𝐥𝐢𝐧𝐤#: GM2503233, GM2502233. Compatible with Chevy: 2006-2014 Express 1500 LT; 2003-2014 Express 1500 Base LS; 2003-2023 Express 2500 3500 Base LS; 2006-2023 Express 2500 3500 LT; 2009-2020 Express 4500 Base; GMC: 2003-2014 Savana 1500 Base; 2006-2014 Savana 1500 LS LT; 2007-2023 Savana 2500 LS LT; 2009-2010, 2012-2013 Savana 1500 2500 3500 SL. Only include Low/High beam bulbs.
**Weather-Proof Performance**: Engineered with a specialized PUR adhesive for a sealed waterproof coating, subjected to a 100% air-tightness check. The base's composite material integrates a one-way breathable film to maintain stable internal temperature and humidity.
**Remarkable Brightness**: Equipped with a UV optical coating to prevent yellowing and aging of the lens, ensuring a clear and reassuring journey at night. Fully compliant with SAE regulations.
**DIY-Friendly Installation**: Effortlessly installable at a repair shop or by yourself. Reply "DIY" for comprehensive installation instructions.
**3-Year Peace of Mind**: In the unlikely event of product damage due to regular use within the first 3 years of your purchase, simply kickstart a hassle-free refund or replacement process by providing the order number and pictures. Refer to the warranty card inside the box for detailed terms.