Radiator (To Jan.-'77)
part # model applied date qty interchange superceded
from to newer former
HOSE-RADIATOR
21503-44001 EXC DN 7701 1 Yes Yes 21503-44000
21503-65200 OP 6807 7606 1
HOSE-RADIATOR (WITH R)
21503-44006 OP 7607 1 No No 21503-65200
HOSE-RADIATOR TO WATMP
21503-44000 INC.DN 1