Bolt-on style makes your installation a breeze, just takes 5-10mins to finish with our clear instruction, and it seamlessly fits into the vehicle without a gap. Let's get started with YITAMOTOR!!! Fitment 2003-2006 Chevy Silverado 15002003-2004 Chevy Silmaterial:Oem grade plastic housing, material:Polycarbonate lens, headlight/taillight housing color:Chrome, headlight/taillight housing color:Black, headlight/taillight lens color:Clear, reflector:Clear, bulb type:Halogen, high beam bulb type:9005 (Bulbs Not Included), low beam bulb type:9006 (Bulbs Not Included), turn signal bulb type:3157a (bulbs not included), bulb voltage:12V, headlights oem part number:GM2502224, GM2503224, GM2502257,GM2503257, headlights hollander number:116-59500R , 116-59501L, taillights interchange part number:GM2801186, GM2801174, GM2800186, GM2800174, warranty:1 Year