4359869 o - ring 1 pc FIAT ALLIS CHALMERS NOS MIKE All my Fiat Deutz Allis Chalmers parts can be seen, all at once, by clicking on the FIAT ALLIS store category in my Store. I have approx 70 Allis items for sale. You will see on this page just above and to your left STORE CATEGORIES. Now, just below that, Please click on STORE HOME to navigate to my complete and fairly well organized list of all my items.