Premium Driver Side Headlight Mount Support Bracket; Fits perfectly for securing headlight in place (note: driver side only); Constructed of durable heavy duty black automotive grade plastic; Approximately 23" x 16-1/2" x 6"; Fits Chevrolet (2003-2006 Silverado 1500/2500HD/3500; 2007 Silverado 1500/2500HD/3500 Classic; 2003-2006 Avalanche 1500 without body cladding); Fits driver (LH) side only; Genuine product, designed for a direct, perfect fit (Reference: 15798921 GM1221130 15119048)