This pinion gear is compatible with select outboard engines including 48HP and 55HP models.Part number 697-45551 (also referenced as 697-45551-00 or 6974555100) features 13 teeth (13T).This component fits lower drive and lower casing drive assemblies for various model years including 1989 through 1999.Compatible models include CV55ELF, CV55ELD, C55ELRP, C55ELRQ, C55ELRR, C55TLRR, C55ELRS, C55TLRS, C55ELRT, C55ERT, C55TLRT, C55TRT, E48MLHT, E48MLHU, E48MLHV, E48MLHW, E48MLHX, and E48MLHY.This part serves as a functional replacement to restore equipment performance.