Yes, the Replacement Lithium Converter # PD4590LICSV will work for your PD4590K18L. I checked with Power Dynamics to make sure that the difference between your part and the # PD4590K18LS8 would still allow for use with the Lithium Converter, and they confirmed that is the case. view full answer...
A backer plate is simply a support beam of some kind, and is required for installing the Solera RV Slide-Out Awning - 12'7" Wide - 48" Projection - Black # LCV000165061.
You should not install it directly to the fiberglass as it doesn't have the support to hold the # LCV000165061 slide topper. If you don't have a backing plate of some kind, it may be possible to add one where the slide topper installs if it is all possible to gain access. It can be any type of support, like plywood, for... view full answer...
The Loadstar ST205/75D15 Bias Trailer Tire with 15" White Wheel # AM3S638 matches what you are looking for in a spare tire. This is a load range C bias ply tire like you asked for and the white wagon wheel has a 5 on 5" bolt pattern. The Loadstar tire comes with a 5-year warranty ensuring it will be good for several years.
Be sure to use a Spare Tire Cover # 290-1737 if the tire will be exposed to weather or UV rays as the cover will protect the tire. view full answer...