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Gasket – Fits Volvo/Volvo Penta Engines (Replaces 3862105)

Sale price $9.99 Regular price $15.00
Shipping calculated at checkout.

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 is an aftermarket Gasket for Volvo/Volvo Penta Engines, designed as a direct replacement for various marine and stationary applications. Built to OEM specifications, it ensures a reliable seal for components like the top cover.

This part is a direct replacement for Volvo Penta part number 3862105.

  • Engine-specific fitment for a proper seal.
  • Manufactured to OEM quality standards for durability.
  • Designed for use in marine environments.

Part Number Matrix

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

Brand Part Number Notes
Volvo Penta 3862105 Factory original equipment

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Brand Model Rated HP Stroke Years OEM Part No. Notes

Technical Specs

Product Type
Gasket
Installation
Engine-specific
Dimensions
18.5 x 15.0 x 0.4
Weight
0.016 kg (0.035 lb)
Other Technical Attributes
OEM Quality

What’s in the Box

  • 1 x Gasket (3862105)

Installation Notes

  1. Ensure the engine is off and cool. Disconnect the battery.
  2. Drain any fluids (like oil or coolant) necessary to access the component.
  3. Carefully remove any parts obstructing access to the old gasket.
  4. Remove the cover or component and the old gasket.
  5. Thoroughly clean both mating surfaces. Ensure they are free of old gasket material, oil, and debris.
  6. Position the new gasket correctly. Do not use sealant unless specified by your engine's service manual.
  7. Reinstall the cover/component and tighten fasteners to the manufacturer's recommended torque specifications.
  8. Refill any drained fluids, reconnect the battery, and start the engine.
  9. Check carefully for any leaks around the newly installed gasket.

Troubleshooting & FAQ

How do I confirm this gasket fits my engine?

The most reliable method is to match the OEM part number 3862105 to the one listed in your engine’s service manual or stamped on the original part. Since specific model data is limited, verifying the part number is critical.

What is this part's primary function?

This part is identified as a top cover gasket, designed to create a seal between the top cover and the engine block, preventing oil leaks.

What are the signs of a failing gasket?

Common symptoms include oil leaks or seepage around the component's seam, a smell of burning oil, engine overheating, or visible cracks and brittleness on the old gasket upon inspection.

Is any sealant required for installation?

Typically, this type of gasket is installed dry. However, always consult your engine's official service manual for the correct procedure, as some specific applications might require a light application of a particular sealant.

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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