Genuine Yanmar Marine Parts
Description: Alternator Flat Belt
PN: 128990-77580
Application Notes:
| Engine Model | Notes |
| 3YM30 | E20948 > |
| 3YM30AE | All |
Please use the table above to verify that this is the correct service part for your Yanmar Marine engine.
If you are unsure of the application of this part for your engine, please enter the engine details in the comments section of the checkout.
