Diode Dynamics 20-21 Sierra 2500/3500 LED Sidemarkers HD Smoked Set M3 [E90][E92][E93] shim and the mounting hardware

shim and the mounting hardware

they have a racer's passion for producing excellent equipment

BD's heavy duty sway bar end links are stronger and more durable than OEM links

Features:5-inch inlet

5deg toe change is available

Diode Dynamics 20-21 Sierra 2500/3500 LED Sidemarkers HD Smoked Set M3 [E90][E92][E93] shim and the mounting hardwareFeatures Plug and play compatible with GMC Sierra HD 2020+ fender lights Dynamic startup sequence with animated effect Fully illuminated housing, with dual lens design for an even glow Optional Sequential turn signal feature, with plug and play wiring harness OEM grade construction and perfect fitment Engineered and assembled in USA Overview Upgraded Styling. These LED sidemarkers are a plug and play replacement for the factory fender lights,