If you have a short-nose crankshaft you may be able to order one from your local mazda dealership. If you've got the large nose crank, I really have no idea where to get them. You may be able to grab one from an Escort GT 1.8L, but you'd have to figure out the correct year - 1990/91 used the short nose crank, and I think in 94 they switched to dual 4-rib belt. But I'm not 100% sure it would be compatible