Beschreibung
Lycoming 37A19773-376 is the 3/8 in wide alternator drive belt listed in the Lycoming illustrated parts catalogs for the IO-360-L2A, the (L)IO-360-M1A and the IO-390-D series engines. In the IO-390-D catalog the engine model sets which belt applies, with 37A19773-367 as the alternative belt for one model group.
Lycoming refers to the latest revision of Service Instruction No. 1154 for the FAA-approved starters and alternators. Eligibility follows the parts catalog for the engine model, and the installation ends with a Certificate of Release to Service. Fit depends on the engine model and the serial number.




