Cylindrical Bearing – Fits Yamaha 225-300HP 3.3L Outboard Engines (Replaces 93310-959U0-00)
Cylindrical Bearing – Fits Yamaha 225-300HP 3.3L Outboard Engines (Replaces 93310-959U0-00) 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
Cylindrical Bearing – Fits Yamaha 225-300HP 3.3L Outboard Engines (...
Product Details
This aftermarket Cylindrical Bearing – Fits Yamaha 225-300HP 3.3L Outboard Engines is designed as a direct replacement for the center main bearing on compatible 76-degree V6 models (1990–2006+).
It serves as a direct interchange for Yamaha OEM part numbers 93310-959U0-00, 93310-959V9-00, and 93310-959V3-00.
- Installs as the center main bearing.
- Engineered from durable steel for long-term reliability.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 93310-959U0-00 | Primary Replacement |
| Yamaha | 93310-959V9-00 | Interchange |
| Yamaha | 93310-959V3-00 | Interchange |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
These parts are verified for the following Yamaha outboard models.
| Brand | Model | Rated HP | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Yamaha | 225HP 76-degree | 225 | 1994–Up | 93310-959U0-00 | Center Main Bearing |
| Yamaha | 250HP 76-degree | 250 | 1990–Up | 93310-959U0-00 | Center Main Bearing |
| Yamaha | 300HP 76-degree | 300 | 2004–Up | 93310-959U0-00 | Center Main Bearing |
| Yamaha | 3.3L V6 Models | 225-300 | 93310-959U0-00 | Center Main Bearing |
Technical Specs
- Product Type
- Cylindrical Bearing
- Installation
- Center Main Bearing
- Housing Material
- Steel
- Dimensions
- 11.0" H x 10.0" W x 7.0" L
- Other Technical Attributes
- OEM Yamaha Part
What’s in the Box
- 1 x Bearing, Cylindrical (93310-959U0-00)
Installation Notes
- Disconnect the battery and all fuel lines for safety.
- Remove the engine cowling, flywheel, and other external components to access the powerhead.
- Carefully disassemble the powerhead to expose the crankshaft assembly.
- Remove fasteners securing the crankcase halves and separate them to access the main bearings.
- Gently remove the old center main bearing from its seat on the crankshaft or in the crankcase.
- Thoroughly clean the bearing seat and surrounding areas of any oil, debris, or old sealant.
- Lubricate the new bearing with a high-quality marine assembly lubricant.
- Press the new bearing into place, ensuring it is correctly oriented and fully seated.
- Reassemble the engine components in reverse order, torquing all fasteners to the manufacturer's precise specifications.
Troubleshooting & FAQ
What are the signs of a failing center main bearing?
Common symptoms include a deep knocking, rumbling, or grinding noise from the engine block, excessive vibration that worsens with increased RPM, or the presence of significant metallic particles in the engine oil upon inspection.
Is this bearing for a specific position on the crankshaft?
Yes, this is specifically manufactured for use as the center main bearing on compatible Yamaha V6 outboard engines. Always confirm its position via your service manual.
How can I confirm this part fits my engine?
The most reliable method is to cross-reference the OEM part number stamped on your old bearing or listed in your engine's service manual with the part numbers provided here (93310-959U0-00, 93310-959V9-00, 93310-959V3-00).
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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