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Volvo Penta Connecting Rod Bearing – Fits Volvo Penta MD1, MD2, MD3, MD11, MD17 Diesel Engines (Replaces 875492, 806167)

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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

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This aftermarket Volvo Penta Connecting Rod Bearing is designed for a precise fit on a range of Volvo Penta diesel engines, including the MD1, MD2, MD3, MD11, and MD17 series. This component is essential for ensuring smooth operation and longevity of the engine's rotating assembly.

It serves as a direct replacement for Volvo Penta part numbers 875492 and 806167.

  • Designed as an internal engine component for use on the connecting rod.
  • This is a 0.25mm U.S. size (oversized) bearing, intended for specific engine rebuilding applications.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand Part Number
Volvo Penta 875492
Volvo Penta 806167

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This part is documented to fit the following Volvo Penta engine models. Please verify your specific model and required bearing size before ordering.

Brand Model Stroke OEM Part No. Notes
Volvo Penta MD1 4-Stroke 875492, 806167
Volvo Penta MD2 4-Stroke 875492, 806167
Volvo Penta MD3 4-Stroke 875492, 806167
Volvo Penta MD11 4-Stroke 875492, 806167 Big-End Bearing Kit
Volvo Penta MD11C 4-Stroke 875492, 806167 Big-End Bearing Kit, 0.25mm U.S.
Volvo Penta MD17 4-Stroke 875492, 806167

Technical Specs

Product Type
Connecting Rod Bearing
Installation
Engine connecting rod
Fuel Type
Diesel
Dimensions
7.5 in x 4.0 in x 4.0 in
Fitting Type
Internal engine component
Other Technical Attributes
0.25mm U.S. size (oversized)

What’s in the Box

  • 1 x Big-End Bearing Kit (Replaces 875492)

Installation Notes

  1. Ensure the engine is off, cool, and disconnected from power sources before beginning work.
  2. Drain the engine oil completely and remove the oil pan to access the engine's bottom end.
  3. Carefully unbolt and remove the connecting rod cap for the cylinder you are servicing.
  4. Remove the old bearing shells from the rod and cap, noting their position and orientation.
  5. Thoroughly clean all debris and old oil from the connecting rod, cap, and crankshaft journal.
  6. Apply a quality assembly lubricant to the new bearing shells.
  7. Place the new bearing shells into the rod and cap, making sure they are correctly seated.
  8. Reinstall the connecting rod cap and tighten the bolts to the exact torque and sequence specified in your engine's service manual.
  9. After torquing, confirm the connecting rod moves smoothly on the crankshaft journal.
  10. Reinstall the oil pan with a new gasket, refill with fresh, manufacturer-recommended oil, and check for leaks.
  11. Always refer to the official Volvo Penta service manual for your engine model for detailed procedures, clearances, and torque values.

Troubleshooting & FAQ

How do I know if this oversized bearing is correct for my engine?

This is a 0.25mm oversized bearing, intended for use when the crankshaft journal has been machined to a corresponding undersize. You must measure your crankshaft journal with a micrometer to determine the correct bearing size needed. Using the wrong size can cause catastrophic engine failure. Consult a professional machinist or your service manual if you are unsure.

What are the signs of a failing connecting rod bearing?

The most common symptom is a persistent, rhythmic knocking sound from the engine, often called "rod knock," which typically gets louder and faster as engine RPM increases. Other signs include low oil pressure warnings and the presence of fine metallic shavings or glitter in the engine oil during an oil change.

Is this a complete kit for one connecting rod?

Yes, this Big-End Bearing Kit includes the upper and lower bearing shells required for a single connecting rod assembly.

Can I replace connecting rod bearings without removing the engine?

In many marine engines, it is possible to replace the rod bearings from the bottom end by removing the oil pan. However, accessibility can be very limited depending on the boat's design. This is a complex job that requires precision and the right tools. Professional installation is highly recommended.

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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