Originally Posted by Ron in BC
No, it's not restricted to 2021 models. My 2019 required a replacement also.
Both axles were replaced in our 5.0 by 7,500 miles. Dexter sent new axles, paid for the install and for two tires.
When we sold the trailer at 44,000 miles pulling down the road I put new tires on since we travel too far and hate flats, so we got at least 37,000 miles on the existing tires. They were worn evenly, but I was uncomfortable with the remaining tread.
Food for thought,