Fitment : Headlight for GMC Sierra 1500 1999 2000 2001 2002 2003 2004 2005 2006 for GMC Sierra 1500 3500 Classic 2007 for GMC Sierra 2500 1999-2004 for GMC Sierra 3500 2001-2006 for GMC Yukon 2000 2001-2006 for GMC Yukon XL 1500 2500 2000-2006 Function : Provide adequate lighting to meet safety requirements,improve night driving safety and give your car a new look Materials : ABS plastic housing is sturdy and durable,providing long service life.Polycarbonate headlight lens feature with high impact resistance and good light transmission Waterproof : Vacuum tested to ensure the lenses are air-tight and water resistant,which ensures safe driving in the bad weather conditions such as rainy,muddy or snowy days Note: Please check picture and use "Make sure this fit" to see if this replacement part fits your vehicle before placing order