Yes, the Roadmaster sway bar part # RM-1209-128 that you referenced is a confirmed fit for your 2016 Mercedes Sprinter 2500 and would work well. view full answer...
Based on how you are describing it I believe we do have what you are looking for with the following replacement part for your Thule HideAway awning:
- Replacement Connection Support Arm for Thule HideAway Awnings # TH58VK view full answer...
Yes, the Replacement Printed Circuit Board for MaxxAir Powered Lift RV Roof Vents w/ Exhaust Only Fan # MA39FR is the correct replacement circuit board for your 8501 model. view full answer...
I'll start out by saying that based off the board you've mentioned it looks like you've got a MaxxFan Plus model 4700. The lift lid not opening on your MaxxFan is usually down to a bad board, and if the unit is beeping at you when you try to operate different functions, it's usually a sign that the board is bad. With that said, I would recommend testing the input/output voltage on the fan to see if it's operating correctly. If the fan operates normally, but the lid just won't open it's... view full answer...