The etrailer Electric Trailer Brake Kit item # AKEBRK-35-SA, you were looking at, are the correct replacement brake assemblies for your 2012 Forest River R-Pod 177.
These brakes are 10" x 2-1/4" and are made for 3,500 lbs axles. They are self adjusting and fit 13" to 15" wheels. The E-coated backing plates resist wear and corrosion and have a 4 bolt brake mounting pattern.
I have linked an installation video below. view full answer...
The Bauer Products European Style RV Entry Door Lock # BA38AR is a mixture of both plastic and metal, with the majority of it being made of metal. view full answer...
Yep!
The Maxxair Printed Replacement Circuit Board # MA10A21275K does indeed come thermal coated and ready to install. This is not something you need to do yourself. I have attached a short video review that you can check out as well. view full answer...
I spoke to my contact at Valterra and she confirmed that the Mighty Cord RV Power Cord Extension w/ Indicator Lights - 50 Amps - 50' Long # A10-5050EHLED is made of copper wiring. view full answer...
We do have lug nuts that fit 1/2 inch wheel bolts which are made from stainless steel, but the Chrome Trailer Wheel Lug Nut # 12CLN-L you asked about is made with a chrome plating.
I recommend checking out instead the Lionshead Trailer Wheel Lug Nut # LHLR103 which is made entirely from stainless steel. I have added a link to a video review of this lug nut for you to check out. view full answer...
The TorkLift PowerArmor Solar Locking Battery Box - 6V and 12V Batteries - Diamond Plate Aluminum # TLA7710RS has a weight of 40 lbs. view full answer...