While we cannot confirm for sure what the "L" means on the 11033L, the "L" does not make a differences when coming to fitment of the hub.
With that being said, the Tie Down Engineering 11033 hub has a 5 on 4-1/2" bolt pattern and is designed for 3500-lb axles. Replacement hubs that have these specs typically use a # L68149 inner bearing and # L44649 outer bearing, as well as inner race # L68111, outer race # L44610 and grease seals with inner diameter of 1.719" and outer diameter of 2.565".
You'll... view full answer...