The HWT Aluminum Hi-Spec Series 6 Trailer Wheel # AM22652B is a lug-centric wheel, meaning it will secure to your hub by sliding onto the lugs so the fact it has a different bore diameter than your current rim is perfectly fine.
These 15" x 6" rims have a 6 on 5-1/2" bolt pattern, which is the same pattern your hub would need to have in order for this wheel to fit correctly; if you are unsure of your bolt pattern you can take a look at the help article I linked which explains how to determine... view full answer...
The Alpha Systems Patch Kit for SuperFlex RV Roof Membranes # AL37CV is designed for TPO membranes so branding would not matter and you'd be good to go regardless of which brand your roof is. view full answer...
Yes, you can swap out the grease cap of the Dexter Hub part # 8-219-13UC3 to one that has a hole and rubber plug and it would be perfectly compatible with EZ Lube spindles. For that all you'd need is the part # RG04-120 and you'd be set. The only difference between the Dexter EZ lube hubs and non EZ lube hubs is the cap. view full answer...