Fitment: For 1999-2002 Chevy Silverado 1500For 1999-2002 Chevy Silverado 2500 HDFor 1999-2002 Chevy Silverado 3500For 2000-2006 Chevy Suburban 1500For 2000-2006 Chevy Suburban 2500For 2000-2006 Chevy Tahoe*Do not fit models with 5.7L engine Feature: Multiple LEDs in each light are more luminous than comparable incandescent lights for brilliant illumination Description: 100% Brand new in boxHeavy duty polycarbonate lens offers superior UV protection and a high impact resistanceMade by an ISO certified manufacturer using materials that meets OE standardsNo installation instruction included, professional installation is recommendedThis is an aftermarket replacement product and not affiliated with any other brands or manufacturersCRYSTAL is not the material of any parts of the headlight, it means the housing of the headlight has crystal pattern Note: Headlights use 9006 bulbs on low beams and 9005 on high beams