Component names and part numbers are as follows - hub 5002-00, arbor post 5003-00, spool (w/o line) 5004-00, spool retainer spring 5006-00, lower cover 5009-00, line retainer 5010-00, socket head cap screw 3/8x1-1/4 nc 5020-00, one quantity of 0.080 in. Line tofill the spool