1
of
3
Loading...
Aftermarket parts may appear slightly different, including the packaging.
YANMAR
LUBRICATION SYSTEM, OIL SEALS
129120-01780 Rear Crankshaft Seal For Yanmar 3JH3E Diesel Engines
$21.67 USD$24.08 USDSAVE 10%
Taxes and Shipping are calculated at checkout. ·
Quality Guaranteed
Easy Returns
Secure Checkout
Expert Support
Free Shipping $250+
Keep your Yanmar diesel engine running with this rear crankshaft seal — OEM part number 129120-01780. It fits Yanmar 3JH3E, 3TNE84, 3TNE88, 3TNV84, 3TNV88, 4TN84, 4TNE84, 4TNE88 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.
Cross Reference: 129795-01780 12979501780
| Part Number | YM12912001780 |
| OEM Number | 129120-01780 |
| Part Type | Oil Seals |
| Specification | Genuine Rear Crankshaft Seal for Yanmar 3JH3E, 3TNE84, and 3TNE88 engines |
| OEM Brand | Yanmar |
| Compatible Models | 3JH3E, 3TNE84, 3TNE88, 3TNV84, 3TNV88, 4TN84, 4TNE84, 4TNE88 |
Sale price
$21.67 USD
Regular price
$24.08
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.
