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Qualifying new parts include 1-year coverage. Review the Warranty Policy section for coverage details, claim steps, and exclusions.
Eligible orders may qualify for returns within 90 days. See the Easy Return Policy section for conditions and next steps.
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Overhaul Rebuild Kit for Yanmar 3TN78 Engine YB221 YB231 YB251 Excavator
Note:
Please send us the diameter of your old valve surface and the picture of your old cylinder head gasket when you buy, so that we can check the product information, thank you! The Cylinder Liner is Semi-finished type.
Application:
Models with Yanmar 3TN78 EngineRefer Yanmar YB221, YB231, YB251 Excavator,not only these models.
Content:
1 Set of Overhaul Gasket Kit
3 Cylinder Liners
3 Pistons,STD
3 Piston Pins
6 Snap Rings
3 Rod Bushings
Set Rings For 3 Pistons,STD
1 Set of? Main Bearings
1 Set of Rod Bearings
1 Set of Thrust Bearings
3 Intake Valves
3 Exhaust Valves
6 Valve Guides
3 Intake Valves Seats
3 Exhaust Valves Seats
Official answers about compatibility, package contents, specifications, installation, shipping, and warranty for Overhaul Rebuild Kit for Yanmar 3TN78 Engine YB221 YB231 YB251 Excavator (SKU: ES26119).
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Every new aftermarket part from us includes a 1-year warranty. Full terms, coverage, and how to make a claim: Warranty Assistance.
We ship to customers around the world. Orders are sent with our standard courier service—trackable, dependable, and easy to work with. On this product page, use Get Estimate under the price to see shipping cost and estimated delivery for your location. For destinations, rules, and full details, read our Shipping Policy Details.
We want you to be confident in your order. If you are not satisfied, you may qualify for a return or refund within 90 days, subject to conditions. See our Easy Return Policy for eligibility, steps, and exceptions.
