[700rpm]

Originally Posted by 31's

Thanks.

Is there any online webpage with a list of original and non original Ford Model A parts and accesories?

For example, the carburator air filters are an original part?, I mean if the Model A fords in 1928,1929,1930, 1931 were out the Factory with the air filters?

You can view parts dealers' catalogs online, and also order them. Usually they're free, but I think there is an international charge for shipping to Mexico. The catalogs often describe parts as original or accessory. Try these:
http://www.brattons.com
www.vintageford.com
http://www.snydersantiqueauto.com