i have a 78 blazer with blue interrior. i want to buy some new seat covers. oem stuff. there is a guy selling some but in a different state, so i cant really see him. supposidly he bought a set from a guy who bought a warehouse full of oem stuff. he has a pair of oem seat covers. this is the part number or waht ever on the inside of the seat back 010286 and 010386. do these numbers mean anyhthing to any body? how many different blue interriors are there?