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Rear Crankshaft Cover Gasket – Fits Volvo Penta Marine Diesel Engines (Replaces 829487)

Sale price $8.27 Regular price $13.00
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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 high-quality Rear Crankshaft Cover Gasket provides a reliable seal for the rear crankshaft cover and flywheel housing on a wide range of Volvo Penta marine diesel engines. It is designed for a precise fit on engines including the 30, 31, 40, 41 series, and KAD/KAMD42 models.

This part serves as a direct interchange for Volvo Penta part number 829487 and Orbitrade ORB11487.

  • Installation: Direct replacement for a secure, leak-free fit.
  • Application: Specifically used on the rear crankshaft cover/flywheel housing.
  • Engine Type: Compatible with diesel fuel systems.

Part Number Matrix

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

Brand Part Number
Volvo Penta 829487
Orbitrade ORB11487

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This gasket fits a broad range of Volvo Penta diesel engines. Please verify your specific model is listed.

Brand Model Stroke OEM Part No. Notes
Volvo Penta MD30A 4-Stroke 829487
Volvo Penta MD31A 4-Stroke 829487
Volvo Penta MD40A 4-Stroke 829487
Volvo Penta TAMD30A 4-Stroke 829487
Volvo Penta TAMD31A/B/D/L-A/M-A/P-A/S 4-Stroke 829487 Multiple model variants
Volvo Penta TAMD40A/B 4-Stroke 829487
Volvo Penta TAMD41A/B/D/H-A/H-B/P-A/P 4-Stroke 829487 Multiple model variants
Volvo Penta TAMD42B 4-Stroke 829487
Volvo Penta TAMD42WJ-A 4-Stroke 829487
Volvo Penta TD30A 4-Stroke 829487
Volvo Penta TMD30A 4-Stroke 829487
Volvo Penta TMD31A/B/D/L-A 4-Stroke 829487 Multiple model variants
Volvo Penta TMD40A/B/C 4-Stroke 829487
Volvo Penta TMD41A/B/D/L-A 4-Stroke 829487 Multiple model variants
Volvo Penta AD31/B/D-A/L-A/P-A/XD 4-Stroke 829487 Multiple model variants
Volvo Penta AD41A/B/BJ/D/L-A/P-A 4-Stroke 829487 Multiple model variants
Volvo Penta AQAD30A 4-Stroke 829487
Volvo Penta AQAD40A/B 4-Stroke 829487
Volvo Penta AQD40A 4-Stroke 829487
Volvo Penta D41/B/D/L-A 4-Stroke 829487 Multiple model variants
Volvo Penta KAD32P 4-Stroke 829487
Volvo Penta KAD42A/B/P-A 4-Stroke 829487 Multiple model variants
Volvo Penta KAD43P/P-A 4-Stroke 829487
Volvo Penta KAD44P/P-B/P-C 4-Stroke 829487 Multiple model variants
Volvo Penta KAD300-A 4-Stroke 829487
Volvo Penta KAMD42A/B/P-A 4-Stroke 829487 Multiple model variants
Volvo Penta KAMD43P/P-A/P-B 4-Stroke 829487 Multiple model variants
Volvo Penta KAMD44P/P-A/P-B/P-C 4-Stroke 829487 Multiple model variants
Volvo Penta KAMD300-A 4-Stroke 829487
Volvo Penta D13B-A MP/B MP/C MH/C MP/D MP/G MP/H MP/J MP/K MP/L MP/M MP 4-Stroke 829487 Multiple model variants

Technical Specs

Product Type
Rear Crankshaft Cover Gasket
Installation
Direct replacement
Fuel Type
Diesel
Dimensions
28.5" L x 28.0" W x 0.5" H
Weight
0.06 lbs (0.027 kg)
Other Technical Attributes
Used on rear crankshaft cover/flywheel housing

What’s in the Box

  • 1 x Rear Crankshaft Cover Gasket (829487)

Installation Notes

  1. Ensure the engine is off and cool, and disconnect the battery terminals.
  2. Gain access to the rear of the engine and the flywheel housing where the crankshaft cover is located.
  3. Carefully remove any components obstructing access to the cover.
  4. Unbolt and remove the rear crankshaft cover.
  5. Remove the old gasket and thoroughly clean any residual material from both the engine block and cover mating surfaces. An appropriate gasket remover or scraper may be used, taking care not to gouge the metal.
  6. Position the new gasket correctly onto the dowel pins or alignment markers.
  7. Reinstall the crankshaft cover and tighten the bolts in a star or crisscross pattern to the manufacturer's recommended torque specifications to ensure even pressure.
  8. Reassemble any other components that were removed, and reconnect the battery.
  9. Start the engine and carefully inspect for any signs of oil leaks around the newly installed gasket.

Troubleshooting & FAQ

What are the signs of a failing rear crankshaft cover gasket?

Common signs include oil leaks originating from the area where the engine meets the transmission (bell housing), a noticeable drop in engine oil levels, or oil residue on the flywheel. A visual inspection may reveal a cracked, brittle, or degraded gasket.

How can I confirm this gasket is the correct part for my Volvo Penta engine?

First, verify that your specific engine model (e.g., TAMD41A, KAD42B) is listed in the compatibility table. Second, it is always best practice to visually compare the shape and bolt hole pattern of this gasket to your original part before attempting installation.

Should I use sealant or adhesive with this gasket?

In most cases, this gasket is designed to be installed dry on clean, flat surfaces. However, always refer to your specific Volvo Penta engine service manual for the most accurate instructions, as some applications may recommend a thin layer of sealant.

What is the typical lifespan of this gasket?

Rear crankshaft gaskets are durable components and do not have a fixed replacement interval. They are typically replaced only when a leak is detected or during a major engine overhaul or rebuild.

Is this part the same as the OEM version?

This is a high-quality aftermarket part designed to meet or exceed OEM specifications for fit, form, and function. It provides a reliable seal and performance comparable to the original Volvo Penta part but at a more accessible price.

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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