Alternator belt Home › Forums › Maintenance of Grummans › Engine › Alternator belt Tagged: alternator belt This topic has 1 reply, 2 voices, and was last updated 3 years, 7 months ago by Richard Harrison. Viewing 1 reply thread Author Posts November 23, 2020 at 12:13 #14924 David WadeParticipant What part number am I looking for to replace my alternator belt? Last recorded belt change on my plane was 13 years ago. Probably time. 1978 Cheetah This topic was modified 3 years, 7 months ago by David Wade. November 23, 2020 at 20:02 #14926 Richard HarrisonParticipant Lycoming 37A19773-376 is the current PN for the belt. (old #76026) Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In