13-20 Peterbilt 579 / 11-18 Peterbilt 587 Full LED RGB DRL Headlights 17-19 Alfa Romeo Giulia Quadrifoglio Evolution Line Cat Back Built for high-load terrain -

Built for high-load terrain - Engineered for sustained off-road performance and repeated impact cycles

That's the whole point of the integrated switch instead of relying on automatic daytime running light logic

inspect and replace this bushing before considering more costly drivetrain repairs

(Series 4 brackets are different)

13-20 Peterbilt 579 / 11-18 Peterbilt 587 Full LED RGB DRL Headlights 17-19 Alfa Romeo Giulia Quadrifoglio Evolution Line Cat Back Built for high-load terrain -Full LED RGB DRL Headlights Factory style full LED headlights with integrated RGB daytime running lights. These bolt directly to existing mounting points with no drilling required. Hard panel construction houses sealed LED modules rated for highway and night driving. Ships from FL Warehouse Factory Mounting Points Full LED Array Key Features RGB Daytime Running Lights Customizable color output without aftermarket controller required for standard white