This V-belt is suitable for various Yanmar marine diesel engines and is used to drive the alternator. A worn or stretched V-belt can cause charging issues or slipping. Replacing the belt ensures proper alternator operation and reliable engine performance. Replaces Yanmar Part Number 105582-77790 Compatible Yanmar Engines 1GM10 (9 HP) (depending on serial number) Important Serial Number Information 2QM15 Uses: 105582-77790E 1GM10 Serial number E03691 up to E025107 → use: 105582-77790E From serial number E025107 and higher → use: 128170-77350E Questions about compatibility or Yanmar engine parts? Our marine specialists are happy to help.
