Connecting Rod Bearing – Fits Yanmar 6LY Series Engines (Replaces 719593-23601)
Connecting Rod Bearing – Fits Yanmar 6LY Series Engines (Replaces 719593-23601) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Connecting Rod Bearing – Fits Yanmar 6LY Series Engines (Replaces 7...
Product Details
This aftermarket Connecting Rod Bearing is designed for Yanmar 6LY, 6LYA, and 6LYM series marine diesel engines from approximately 2000–2013. It serves as a critical internal component to ensure smooth engine operation for 6-cylinder, 4-stroke models ranging from 380–440 HP.
It is a direct replacement for Yanmar part number 719593-23601 and its superseded predecessor, 719593-23600.
- Fits as a crankpin bearing within the engine.
- Engineered for use in diesel-fueled marine environments.
- Installation is an internal engine procedure.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yanmar | 719593-23600 | Superseded by 719593-23601 |
| Yanmar | 719593-23601 | Direct replacement |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This part is specifically designed for the following Yanmar marine engines.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yanmar | 6LYA-STE | 400 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LYA-STP | 380 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LYA-UTE | 400 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LYM-UTE | 380 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LYM-STE | 380 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LYM-UTEHD | 380 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-ST | 350 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-STE | 380 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-STM | 380 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-STZY | 380 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-UT | 350 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-UTE | 380 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-UTM | 380 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-UTZY | 380 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-WST | 440 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-WSTZY | 440 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-WUT | 440 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY-WUTZY | 440 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY400 | 400 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
| Yanmar | 6LY440 | 440 | 4-Stroke | 2000–2013 | 719593-23601 | Supersedes 719593-23600 |
Technical Specs
- Product Type
- Connecting Rod Bearing
- Installation
- Internal engine component
- Fuel Type
- Diesel
- Fitting Type
- Crankpin bearing
- Dimensions
- 8.0" L x 5.0" W x 8.0" H
- Other Attributes
- For use with connecting rods in Yanmar 6LY marine diesel engines
What’s in the Box
- Connecting Rod Bearing (equivalent to 719593-23601)
Installation Notes
- Turn the engine off, let it cool completely, and disconnect the battery terminals for safety.
- Drain the engine oil into a suitable container and remove the oil pan to access the engine's bottom end.
- Identify the connecting rod to be serviced and carefully unfasten and remove the connecting rod cap.
- Remove the old bearing halves from both the connecting rod and the cap, noting their orientation.
- Thoroughly clean the rod, cap, and crankpin journal surfaces of any oil residue or debris.
- Apply a quality assembly lubricant to the surface of the new bearing halves.
- Install the new bearings into the rod and cap, ensuring the locking tabs are correctly seated.
- Reinstall the rod cap and tighten the bolts to the precise torque specifications listed in your engine's service manual.
- Reinstall the oil pan with a new gasket, refill the engine with the correct grade of oil, and reinstall the battery connections.
- Before starting the engine, prime the oil system if possible. After starting, check oil pressure and listen for any unusual noises.
Troubleshooting & FAQ
What are the signs of a failing connecting rod bearing?
The most common symptom is a persistent, metallic knocking or tapping sound from the engine, often called "rod knock." The noise may increase with engine RPM. Low oil pressure or finding metallic shavings in the engine oil during a change are also strong indicators.
Will this bearing fit an engine model not on the compatibility list?
We do not recommend using this part for any engine model not explicitly listed as compatible. Even if the part looks similar, internal dimensions can vary. Always verify compatibility using the provided lists.
Is any special tooling required for this installation?
Yes, installing connecting rod bearings requires specialized tools, including a torque wrench to tighten bolts to precise specifications. Plastigage is also recommended to verify oil clearances. Due to the precision required, professional installation is advised.
How often should connecting rod bearings be replaced?
Connecting rod bearings do not have a standard replacement interval and are typically only replaced during a complete engine rebuild or when signs of wear or failure appear. Their lifespan depends on proper lubrication, maintenance, and operating conditions.
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.
Payment & Security
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