【Compatible】: LED side marker lights Compatible with Silverado 3500HD 2015-2023, Compatible with Sierra 3500HD 2015-2023, for double wheel dually vehicles only; Custom fit design to upgrade your Silverado 3500HD and Sierra 3500HD Superduty LED fender light; Replace OEM Part Number: 22794639, 22794640. 【5 Times Brightness】: LED side marker light is built with 100% advanced high brightness LED chips with intensity lighting output and low power consumption, which was 5x brighter than Original car light bulbs. Cool appearance design, form a perfect focal and brigcarht LED strip, brighter appearance on your rear end wheel fenders for safety and visibility. Direct upgrade replacement part to replace the old or broken original lamp. 【High Quality Material】: Built-in high power 15 SMD LED chips each piece. Made of high quality ABS plastic housing and PC lens, Triple-Layered coating. IP67 rated waterproof and dustproof. Canbus LED control unit design, no error code; these LED side markers are DOT/SAE Certified, Meets all Regulations in North America. 【Easy Installation】: Plug and Play to install in just minutes, OEM Perfect fit and direct replacement. Simply remove original light and replace with the new housing light, connect the upgrade version lights plug into the factory socket and finish. No modification or trimming require. Upgrade design for your dual rear wheels well arch repeater side markers; Upgrade your Silverado and Sierra with a new fashion cool style front and rear led side marker light and elevates your Truck's aura. 【Package Including】: 4Pcs X Front Amber + Rear Red Side Marker Lamp (Clear Lens) LED Side Marker Lights . 24 Hour Service If you encounter products and installation problems Mynoway LED Side Marker Light for Silverado For 199-2014 2500HD/3500HD