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YANMAR ELECTRICAL SYSTEM, ALTERNATORS

129772-77200P Alternator For Yanmar 3GM30 And 3GM30F Diesel Engines

SKU: YM12977277200P
OEM #: 129772-77200P
$436.27 USD$484.74 USDSAVE 10%

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The 129772-77200P is an alternator for Yanmar diesel engines — OEM part number 129772-77200P. It fits Yanmar 3GM30, 3GM30F, 4JH-TE, 6LPA-STP 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.

Alternator for Yanmar diesel engines, OEM reference 129772-77200P. Compatible with Yanmar 3GM30, 3GM30F, 4JH-TE, 6LPA-STP engines.

Part Number YM12977277200P
OEM Number 129772-77200P
Part Type Alternators
Specification Genuine Alternator for Yanmar 3GM30, 3GM30F, and 4JH-TE engines
OEM Brand Yanmar
Compatible Models 3GM30, 3GM30F, 4JH-TE, 6LPA-STP
4.8
Based on verified purchases
24 reviews
5
83%
4
12%
3
4%
2
0%
1
0%
Feb 12, 2026
Perfect fit, great quality
Ordered for my engine. Used the SKU records to confirm the fitment. Arrived in 3 days, fit perfectly.
JW
James W. Verified Buyer
Fleet Mechanic · Texas
Jan 28, 2026
Saved me from a mistake
Almost ordered the wrong kit. The page reminded me to verify my specs. Saved me a return.
MR
Mike R. Verified Buyer
Engine Rebuilder · Ohio
Jan 5, 2026
Good quality, contacted support first
Wasn't 100% sure on the model so I called support. Got a reply same day with confirmation.
SP
Steve P. Verified Buyer
Agricultural · Iowa
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Perkins® and all of the Perkins® engine models listed on this website are registered trademarks of Perkins, Inc. Deutz® and all of the Deutz® engine models listed on this website are registered trademarks of Deutz. Kubota® and all of the Kubota® engine models listed on this website are registered trademarks of Kubota. Yanmar® and all of the Yanmar® engine models listed on this website are registered trademarks of Yanmar. Delta Diesel Parts is not an authorized dealer for Perkins, Deutz, Kubota or Yanmar. None of the parts with a Sku beginning with "DDP" are genuine Perkins, Deutz, Kubota or Yanmar items.

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