AIM OIL HEATER - WHEELS

I have been all over looking for solution to my WHEEL REPLACEMENT needed on my OIL HEATER 🙏🙏🙏🙏as 2 wheels have broken off - - please where or who can help successfully repair or replace the wheels on my heater ASAP - - no one seems to b able to do this 😭😭😭🙏🙏🙏🙏🙏