15-19 Chevrolet GMC 3500hd SIERRA 6.6 UNDERHOOD FUSE RELAY BOX 84303174-01

Here we have a good used underhood fuse relay box removed from an 2019 GMC Sierra 3500hd with the 6.6 Duramax. Guaranteed to be in good functioning order, but please review all of the photos as you will get the exact item pictured. This will ONLY fit 15-19 trucks with the duramax engine and the matching part number. if you need any parts just inquire.