Lippert is a little funny when it comes to their 4,400 lbs axles. They don't have a true standard 4,400 lbs axle. Instead, they have some that use the same inner and outer bearings as a 3,500 lb axle (# L68149 and # L44649) and some that match the Dexter 4,400 lbs axles which use inner and outer bearings # L68149 and # LM67048.
Anytime I come across one of these axles I always ask to pull the outer bearing out and find the number stamped in the bearing.
The other option is to pull the... view full answer...