Cylinder Block (Front Side View) Cylinder Block (Rear Side View)
part # model applied date qty interchange superceded
from to newer former
CRANK OIL SEAL
12279-21000 7010 1
12279-2B500 1 Yes Yes 12279-R4600
12279-R4600 1 Yes Yes 12279-A4600
12279-A4600 7011 1 Yes Yes 12279-21000