Dorman Bed Rail Covers, New In the Box, Left and Right sides [2], $20 ea. or both for $35
Dorman 926-909 and 926-908, black Plastic Bed Rail covers, it says these fit 74.3" - 76.3" [6+] foot size bed for many different models, they are actually 79 3/4" tip to tip long
these fit Dodge Ram and Ram pickups from 2010-2017, one review said it fit well on his 2019 ram
Brand New and Half price