Description
Lycoming 37A19773-390 V-Belt — Alternator 1
Alternator 1 drive belt, Lycoming part number. The Cirrus IPC lists the Alternator 1 belt on the SR20 with the Lycoming IO-390 as part of the engine (IPC 24-30-01).
Confirm the belt against your Lycoming engine documentation before ordering.
Serial ranges are transcribed from the Cirrus IPC. Confirm your aircraft's serial number, installed equipment and service bulletin compliance against current Cirrus documents before ordering.
Reference only — not a maintenance authority. The part numbers, effectivity and service bulletin references shown above are published as an aid to our customers and may not reflect current Cirrus data. They must not be used as the basis for installation. Mechanics must obtain and use their own current Cirrus Illustrated Parts Catalog and the current revision of any service bulletin, and must verify applicability against the aircraft serial number, service bulletin compliance and any installed STCs, before ordering or installing any part.