Main Bearing Kit – Fits Volvo Penta 5.7L Engines (Replaces 876661)
Main Bearing Kit – Fits Volvo Penta 5.7L Engines (Replaces 876661) 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).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Main Bearing Kit – Fits Volvo Penta 5.7L Engines (Replaces 876661)
Product Details
This aftermarket Main Bearing Kit is designed for a range of Volvo Penta 5.7L gasoline engines manufactured between 2003 and 2011, including the Gi, GXi, and OSi/OSXi series models. It provides the essential components needed to restore crankshaft rotational integrity and engine performance.
This kit serves as a direct replacement for Volvo Penta part number 876661.
- Installation Location: Engine Crankshaft
- Delivery: Special Order Item (10–14 Day Delivery)
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 876661 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This component is designed for select Volvo Penta gasoline sterndrive engines.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Volvo Penta | 5.7Gi-J, -N | 300 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7OSi-J | 300 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7GXi-J, -N | 320 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7OSXi-J | 320 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7Gi-CF, -DF | 300 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7OSi-BF, -CF | 300 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7Gi-FF, -GF | 300 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7OSi-EF, -GF | 300 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7Gi-JF | 300 | 4-Stroke | 2003–2011 | 876661 | Fresh Water Cooled |
| Volvo Penta | 5.7OSi-JF | 300 | 4-Stroke | 2003–2011 | 876661 | Fresh Water Cooled |
| Volvo Penta | 5.7GI-300-P, -R | 300 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7GiE-300-P, -R | 300 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7GIC-300-J, 5.7GICE-300-J, -M | 300 | 4-Stroke | 2003–2011 | 876661 | |
| Volvo Penta | 5.7GIC-300-JF, 5.7GICE-300-JF, -MF | 300 | 4-Stroke | 2003–2011 | 876661 | Fresh Water Cooled |
| Volvo Penta | 5.7GIC-300-P, -R, 5.7GICE-300-P, -R | 300 | 4-Stroke | 2003–2011 | 876661 |
Technical Specs
- Product Type
- Main Bearing Kit
- Installation
- Engine Crankshaft
- Fuel Type
- Gasoline
- Dimensions
- 12.0" L x 8.5" W x 2.0" H
- Other Technical Attributes
- Special Order Item (10-14 Day Delivery)
What’s in the Box
- Main Bearings (Replaces 876661)
Installation Notes
- Disconnect the battery and safely drain all engine fluids (oil, coolant).
- Remove the engine from the vessel and secure it to a suitable engine stand.
- Disassemble the engine block as required to gain access to the crankshaft and main bearing caps.
- Carefully unbolt and remove the main bearing caps, noting their original orientation.
- Remove the old main bearing shells from the block and caps.
- Thoroughly clean the bearing saddles, caps, and crankshaft journals of all oil and debris.
- Place the new bearing shells into the block and caps, ensuring they are correctly seated and aligned.
- Apply a generous amount of assembly lube to all bearing surfaces and crankshaft journals.
- Carefully reinstall the crankshaft, followed by the main caps in their original positions.
- Torque the main cap bolts to the manufacturer's specified sequence and values.
- Complete the reassembly of the engine, reinstall it in the vessel, and refill with fresh fluids.
- Before starting, prime the oil system to ensure immediate lubrication.
Troubleshooting & FAQ
How do I confirm this kit fits my engine?
Your engine model should be listed in the "Engine & Model Compatibility" table. Volvo Penta 5.7L engines have many variations, so it is critical to match your specific model code (e.g., 5.7GXi-J) and year range to ensure correct fitment.
What are the signs of failing crankshaft main bearings?
Common symptoms include a deep, rhythmic knocking or rumbling sound from the bottom of the engine that increases with RPM, low oil pressure readings, and the presence of metallic particles (bearing material) in the engine oil and filter.
Is any special machining required to install these bearings?
If the crankshaft journals are within the manufacturer's specified tolerances and show no signs of scoring, gouging, or excessive wear, no machining is usually necessary. However, if any damage is present, the crankshaft should be measured and professionally machined or replaced.
What is the recommended replacement interval?
Main bearings do not have a standard replacement interval. They are typically replaced only during a complete engine rebuild or when they show signs of failure due to wear, oil starvation, or contamination.
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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