Backup LEDs for 2019 Chevrolet Blazer (Pair) XPR (720 lumens) Diode Dynamics Chevrolet Upgrade your stock H11B halogen

Upgrade your stock H11B halogen bulbs to Nokya H11B Hyper Yellow

these headlights deliver a well-defined beam pattern with impressive width and intensity

and while you could definitely do that

Do they even work at all

and will plug into the stock wire harness

Backup LEDs for 2019 Chevrolet Blazer (Pair) XPR (720 lumens) Diode Dynamics Chevrolet Upgrade your stock H11B halogenUpgrade. Add more light output and a modern appearance to your backup lights with the 921 XPR backup bulb. Each of the four sides of this bulb is populated with 4 high power LED chips for maximum brightness. Housed in an aluminum casing with a textured finish for superior heatsinking properties the XPR will last for years to come. Best of all installation only takes minutes simply take out your factory bulb and the XPR will fit snugly in the socket.