Brake Pushrod Bushing

I dont even know you, so I cant doubt your skill set. But I do question your jugement. This is brakes we're talking about here !
You can stick what ever you want in your MC O ring, bicycle tube, bubble gum. Dont matter to me.
I prefer to use the correct part from the factory. The part that the Chrysler engineer's designed to be used.
The original poster is making the right move.