1. Not clairvoyant enough to determine whether yours will be difficult for you to swap out.
2. Yes you can use basically any RV water pump. Nothing special about them in general.
2016 Ram 2500, MotorOps.ca EFIlive tuned, 5โ turbo back, 6" lift on 37s
2017 Heartland Torque T29 - Sold.
Couple of Arctic Fox TCs - Sold