Main Bearing Kit – Fits Volvo Penta Marine Engines (Replaces 877387)
Main Bearing Kit – Fits Volvo Penta Marine Engines (Replaces 877387) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Main Bearing Kit – Fits Volvo Penta Marine Engines (Replaces 877387)
Product Details
This aftermarket Main Bearing Kit – Fits Volvo Penta Marine Engines provides a reliable, direct-replacement solution for specific Volvo Penta engine applications. It is engineered to meet original equipment specifications for fit, form, and function, ensuring proper engine performance and longevity.
This kit serves as a direct replacement for Volvo Penta part number 877387.
- Designed for engine-specific installation.
- Compatible with both diesel and gasoline engines.
- Built to withstand demanding marine environments.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 877387 |
Technical Specs
- Product Type
- Main Bearing Kit
- Installation
- Engine Specific
- Fuel Type
- Diesel/Gasoline
- Dimensions
- 11.0" L x 11.5" W x 5.5" H
- Warranty
- 1-Year Limited Warranty
- Other Technical Attributes
- Built to meet or exceed OEM specifications
What’s in the Box
- Main Bearing Component Kit (equivalent to 877387)
Installation Notes
- Disconnect the vessel's battery and ensure the engine is cool.
- Drain the engine oil completely and remove the oil filter.
- Remove the oil pan to access the engine's bottom end.
- Carefully remove the main bearing caps, noting their position and orientation.
- Remove the old main bearing shells from the block and caps.
- Thoroughly clean the bearing saddles and crankshaft journals.
- Apply a generous amount of assembly lube to the new bearing shells.
- Install the new bearings, ensuring they are seated correctly.
- Reinstall the main bearing caps and bolts, torquing them to the manufacturer's specified sequence and values.
- Reassemble the oil pan, install a new oil filter, and refill with fresh engine oil.
- Reconnect the battery and check for leaks after starting the engine.
Troubleshooting & FAQ
How do I confirm this kit fits my specific Volvo Penta engine?
This is a special-order item for specific Volvo Penta models. Because compatibility data is limited, it is critical to match the part number (877387) directly with your engine's service manual or parts diagram before ordering.
What are the signs of failing main bearings?
Common symptoms include a deep, knocking sound from the engine that increases with RPM, low oil pressure, and the presence of metallic flakes or shavings in the engine oil during an oil change.
Is this a complete kit for a full engine rebuild?
This kit contains the main bearing components referenced by part number 877387. A complete engine overhaul typically requires additional parts like connecting rod bearings, seals, and gaskets, which are sold separately.
Do I need special tools for installation?
Yes, professional installation is highly recommended. Specialized tools such as a torque wrench, bearing pullers/installers, and precision measuring instruments (like Plastigage) are required for proper installation and to ensure correct clearances.
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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