Air Cleaner (L20B) (From Sep-'74)
part # model applied date qty interchange superceded
from to newer former
TUBE VACUUM
B2320-Y4000 L20B 7409 0 Yes Yes B2318-73002
TUBE-VACUUM
B2318-73002 L20B 0 Yes Yes 14917-H3900
14917-H3900 L20B 7409 1