Q: Is the upper seal, P.N. 08-00780, for 12 pieces, or for 1 piece?
Part Number 08-00780 is priced and sold in a package of 12. That is why there is a vast discrecpancy in price from 08-00780 and 08-00779. 08-00779 is sold individually, 08-00780 is sold in a set of 12.