Porter Cable 903373 Belt - Random Orbit

Perfect

It works as it should

Got my sander working flawlessly again. I suggest keeping one of these handy as they break every 10 years or so. Don

Brought my 15 year old sander back to life.

I replaced the belt, but sander still does not oscillate correctly. It does not spin until pressure is applied.

Fits my sander / good price but to soon to tell if life span is up to par

Great price and super fast shipping.

This is simple -- Remove the sanding pad (three screws), take off the old belt put the new one on. Screw the pad back on and start sanding.

This belt is a factory replacement and seems to be made of better material than the one that came with it.

Model 343. So far so good. But the way the ends are melted together leaves little confidence for longevity. The original one lasted 12 years or so. We will see but at least it is working.