LED Sequential Sidemarkers for 20-21 Sierra 2500/3500 HD Smoked Set Diode Dynamics Chevrolet Measured Lumens: 56

Measured Lumens: 56

At the side of these Ford F-150 headlights is the amber reflector lens

Unlike other "warning cancellers" or "anti-flicker" components (that won't do the same thing as this product)

Universal Compatibility: Works with all vehicles

No matter how much water

LED Sequential Sidemarkers for 20-21 Sierra 2500/3500 HD Smoked Set Diode Dynamics Chevrolet Measured Lumens: 56Upgraded Styling. These LED sidemarkers are a plug and play replacement for the factory fender lights, illuminating the entire width of the housing for a distinctive look and brighter appearance. Unique Startup. Both the standard and sequential models feature a unique startup sequence. Every time the sidemarkers turn on, they illuminate in an intense amber color starting from the center then spreading to either side. Once they are completely