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YANMAR
ELECTRICAL SYSTEM, ALTERNATORS
128990-77250 Alternator For Yanmar 3JH5E And 3YM20 Diesel Engines
$453.47 USD$503.86 USDSAVE 10%
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128990-77250: an alternator for Yanmar diesel engines. It fits Yanmar 3JH5E, 3YM20, 3YM30, 3YM30AE, 4JH45, 4JH57, 4JH5E, 3YM engines.
Delta Diesel Parts is a U.S.-based supplier of Yanmar diesel engine parts, with most in-stock orders shipping the same day and knowledgeable support staff to help you when it's needed.
| Part Number | YM12899077250 |
| OEM Number | 128990-77250 |
| Part Type | Alternators |
| Specification | A 12-volt power output with an 120-amp current rating. |
| OEM Brand | Yanmar |
| Compatible Models | 3JH5E, 3YM20, 3YM30, 3YM30AE, 4JH45, 4JH57, 4JH5E, 3YM |
Sale price
$453.47 USD
Regular price
$503.86
Unit price
Unavailable
Feb 12, 2026
Great service provided.
Order was received prior to expected date. Really appreciate the urgency given.
Jan 28, 2026
Exceeded Expectations!
Even though my parts were not in stock, they were ordered and delivered ahead of expected time. Will order from them again.
Jan 5, 2026
Excellent, friendly service.
This is my new go to business for Yanmar parts. I highly recommend it.
