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Connecting Rod Bearing Kit – Fits Volvo Penta Marine Engines (Replaces REC875331)

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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

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 Connecting Rod Bearing Kit – Fits Volvo Penta Marine Engines (Replaces REC875331) is designed for specific Volvo Penta marine engines. It's a high-quality aftermarket part manufactured to match the specifications of the original component for reliable performance in models like the MD2040.

It serves as a direct cross-reference for Volvo Penta part number 875331.

  • Designed for internal engine installation.

Part Number Matrix

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

Brand Part Number
Aftermarket REC875331
Volvo Penta 875331

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Brand Model OEM Part No.
Volvo Penta MD2040 875331

Technical Specs

Product Type
Connecting Rod Bearing Kit
Installation
Engine Internal Component
Dimensions
16.0" L x 7.0" W x 3.0" H

What’s in the Box

  • Connecting Rod Bearings (REC875331)

Installation Notes

The following is a general guide; always consult your engine's service manual for detailed procedures and torque specifications.

  1. Drain engine oil and disconnect the battery.
  2. Safely access the engine's lower end by removing the oil pan.
  3. Identify and mark the connecting rod cap to be serviced to ensure correct orientation.
  4. Carefully unbolt and remove the connecting rod cap. Keep track of the fasteners.
  5. Remove the old upper and lower bearing shells from the rod and cap.
  6. Thoroughly clean the rod and cap surfaces where the bearings sit. Ensure they are free of oil and debris.
  7. Apply a quality engine assembly lubricant to the new bearing shells.
  8. Install the new bearings into the connecting rod and cap, ensuring they are properly seated.
  9. Reinstall the connecting rod cap and torque the bolts to the manufacturer's precise specifications in the correct sequence.
  10. Reassemble the oil pan with a new gasket, refill engine oil, and reconnect the battery.

Troubleshooting & FAQ

How do I confirm this kit fits my specific engine?

Refer to the 'Part Number Matrix' and 'Engine & Model Compatibility' tables. This kit is a direct replacement for Volvo Penta part 875331 and is confirmed to fit the MD2040 model. Always verify against your engine's service manual or existing part number before purchasing.

What are the signs of a failing connecting rod bearing?

The most common symptom is a "rod knock"—a rhythmic knocking or tapping sound from the lower part of the engine that often increases with RPM. Other signs can include low oil pressure readings and the presence of metallic shavings in the engine oil.

Why replace rod bearings?

Connecting rod bearings are critical wear items that handle immense stress. They are replaced during engine rebuilds to restore clearances to factory specifications, ensure proper oil pressure, and prevent catastrophic engine failure caused by seizure.

Is this a complete set for an entire engine?

The input data does not specify the exact quantity of bearing shells included in the kit. Please refer to the "What's in the Box" section for a list of included components. If you are rebuilding a multi-cylinder engine, verify if you need to purchase multiple kits.

What is the difference between this and an OEM part?

This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials for a precise fit and reliable function. Our parts are manufactured in an ISO 9002 facility and are batch-inspected for quality and consistency.

How fast is shipping?

We ship worldwide quickly—typical transit time is 5–15 days. Standard shipping is free to most regions, with expedited options available at checkout where applicable.

What is the warranty and return policy?

This product is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter an issue, please contact our support team with your order details. Returns are accepted within our standard window for items that are unused and in their original condition. See our full policy page or reach out for instructions.

Safety & Important Info

  • Verify images and specifications against your original part before purchase. If anything differs—even if your model appears compatible—do not purchase.
  • This is an aftermarket replacement component, not an OEM part.
  • Professional installation is recommended for safety and performance due to the critical nature of internal engine components.

About Sea Sierra

  • Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and rigorously tested for real-world conditions.
  • Fast Global Fulfillment — Enjoy free standard delivery to most regions, with typical transit times of 5–15 days.
  • Manufacturer-Direct Value — By working directly with manufacturers, we offer fair pricing without compromising on materials or quality control.

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