They fit will the c bar running light is bright. The only thing I don't like is there is only 2 rows of leds for brake light and turn. One row for each. I have now had them for 5 months and have not had a problem.Would by againVery nice Tail lights! Love these on my 05 Cateye. They’re nice and bright at night, but not too bright where you’re blinding everyone. The LED strip around the outside is awesome. Makes the truck look really cool! I’ve drove with these for a couple weeks. Through rain and all. Works great and they don’t collect moisture. Pretty good set. Plug ‘n play design is nice and very easy.They sent Spyder brand SKU 5085849 and this is not compatible with a 2006 Chevrolet Silverado 3500. If Akkon is going to use a different brand, they should ensure that this is the proper fitment.These lights look great on my old Silverado. They are very bright, and a good value.Only problem I had was the screws keep trying to back out but other than that the greatReally nice taillight unit. Makes my 03 Silverado 1500HD look nicer and more up-to-date. Only complaint about this set of taillight is when it rains or if you wash the truck, there will be a bit of condensation built up within the lense. So far, it hasn't been a big issue as the little condensation will eventually go away but yeah.. it's definitely there. Much like with all LED aftermarket things for vehicles.also i Wish the C-tube light was a bit more brighter than what it is. On a brighter sunny day it doesn't 'stand out' like i wish it did but at night/cloudy day, obviously, this thing is beautiful. If you're thinking of buying, i would say it's worth it unless you're crazy about built-up condensation. Of course you might can silicone it off and problem solved. I may end up doing that at some point but like I said, so far it isn't a major issue. The wind from the drive will do away with the moisture within 30 minutes or so. I've had it for a month so far. Hope this helps out anyone considering buyingSo i bought these for a 2007 crew cab chevy Silverado and they did not fit. They did look very nice though.