Update your timeless truck with modern LED headlights. Powerful CREE LED headlights with projector technology that shines wider and stronger than a standard headlight, also features white LED daytime running halo lights for an updated look. Seamless design with integrated visor; less screws, more chrome! Replaces standard 4" x 6" low beam and high beam dual rectangular headlight system. 9-24 volts, DRL compatible H4 plugs Includes two amber marker lights, bezel, and housing DOT SAE, FMVSS-108 & CMVSS-108 compliant 16"W x 6-3/4"H x 6-5/8" deep Low beam light: 2400 Lumens High beam light: 1400 Lumens High Beam function activates both lights Universal fit for:• Freightliner Classic (1988-2007); • Kenworth T600 (1986-2007), T800 (1987+), W900 (1984+); • Peterbilt 357 (1986-2008), 365 (2008-2009), 378 (1988-2007), 379 (1987-2007); • Western Star 4800 series, 4900 series, 6900 series Choose driver or passenger side from drop down menu.Sold individually.Blackout version also available, item 305552 *Replacement Headlight Bezel with visor available, item 369093See more link for Installation Instructions