Water Pump Gasket – Fits Yanmar 2TNV70/3TNV70/3TNM72 Industrial Engines (Replaces 119515-42020)
Water Pump Gasket – Fits Yanmar 2TNV70/3TNV70/3TNM72 Industrial Engines (Replaces 119515-42020) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Water Pump Gasket – Fits Yanmar 2TNV70/3TNV70/3TNM72 Industrial Eng...
Product Details
This aftermarket Water Pump Gasket – Fits Yanmar 2TNV70/3TNV70/3TNM72 Industrial Engines is designed for select Yanmar industrial diesel engines, including the 2TNV70, 3TNV70, and 3TNM72 series. It provides a reliable seal between the water pump and engine block, ensuring optimal cooling system performance.
This part is a direct replacement for Yanmar OEM part number 119515-42020.
- Engineered to meet OEM specifications for a direct, reliable fit.
- Ensures a durable, leak-free seal for the cooling system.
- Includes one gasket for a complete installation.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yanmar | 119515-42020 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Compatibility for Yanmar industrial engines:
| Brand | Model | Stroke | Engine Series | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Yanmar | 2TNV70-APK | 4-Stroke | Industrial | 119515-42020 | Water pump gasket |
| Yanmar | 2TNV70-ASG | 4-Stroke | Industrial | 119515-42020 | Water pump gasket |
| Yanmar | 2TNV70-HGB2BT | 4-Stroke | Industrial | 119515-42020 | Water pump gasket |
| Yanmar | 3TNV70 | 4-Stroke | Industrial | 119515-42020 | Water pump gasket |
| Yanmar | 3TNM72 | 4-Stroke | Industrial | 119515-42020 | Water pump gasket |
Technical Specs
- Product Type
- Water Pump Gasket
- Replaces OEM Part Number
- 119515-42020
- Application
- Yanmar Industrial Engines
- Dimensions
- 15.0" L x 12.6" W x 0.1" H
- Condition
- New
- Warranty
- 1-Year Manufacturer Warranty
What’s in the Box
- 1x Gasket, Water Pump (Replaces 119515-42020)
Installation Notes
- Disconnect the vehicle's battery and completely drain the engine cooling system.
- Remove any components obstructing access to the water pump, such as drive belts and hoses.
- Carefully unbolt and remove the old water pump assembly and discard the old gasket.
- Thoroughly clean both the engine block and the new water pump mating surfaces to remove any old gasket material or sealant residue.
- Position the new gasket on the engine block, ensuring it aligns correctly with the bolt holes.
- Install the new water pump, tightening bolts in the sequence and to the torque specified by the manufacturer's service manual.
- Reinstall all hoses, belts, and other components previously removed.
- Refill the cooling system with the appropriate coolant, then start the engine and carefully check for any leaks.
Troubleshooting & FAQ
How do I know if this gasket will fit my Yanmar engine?
First, check the "Engine & Model Compatibility" table on this page. Then, verify that your existing part's number matches the OEM cross-reference, 119515-42020. Comparing the product photos to your old part is also a critical step.
What are the signs of a failing water pump gasket?
Common symptoms include visible coolant leaks from the water pump housing, engine overheating, a persistent sweet smell of antifreeze, or deposit buildup around the pump. If you notice any of these signs, inspect your cooling system immediately.
Should I use sealant with this gasket?
This gasket is typically designed for a dry installation. However, always consult your engine’s official service manual for the most accurate and model-specific instructions regarding the use of sealants.
How often should a water pump gasket be replaced?
The gasket should be replaced any time the water pump is removed or replaced. This ensures a fresh, clean seal and prevents leaks from developing due to reusing a compressed or aged gasket.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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