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Aftermarket parts may appear slightly different, including the packaging.
129486-42140 O-Ring For Yanmar 3TNV88F Diesel Engines
$4.11 USD
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This o-ring is built for Yanmar diesel engines — OEM part number 129486-42140. It fits Yanmar 3TNV88F, 3TNV88-BDSA, 3TNV88, 3TNV88-D, 4TNV84T, 4TNV88-BDSAS4D84E 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 | YM12948642140 |
| OEM Number | 129486-42140 |
| Part Type | O-Ring |
| Specification | Genuine O-Ring for Yanmar 3TNV88F, 3TNV88-BDSA, and 3TNV88 engines |
| OEM Brand | Yanmar |
| Compatible Models | 3TNV88F, 3TNV88-BDSA, 3TNV88, 3TNV88-D, 4TNV84T, 4TNV88-BDSAS4D84E |
Regular price
$4.11 USD
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.
