Gasket Kit – Fits Volvo Penta MD5A, MD5B Diesel Engines (Replaces 876381, 875562)
Gasket Kit – Fits Volvo Penta MD5A, MD5B Diesel Engines (Replaces 876381, 875562) is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
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).
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
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Product Details
This replacement Gasket Kit – Fits Volvo Penta MD5A, MD5B Diesel Engines (Replaces 876381, 875562) provides the necessary components for servicing single-cylinder Volvo Penta MD5A and MD5B diesel engines manufactured between 1975 and 1981.
It serves as a direct interchange for Volvo Penta part numbers 876381 and 875562, as well as aftermarket equivalents Orbitrade ORB21381/21381 and Crom Marine 121010.
- Engineered for direct replacement installation.
- Designed for use in diesel fuel environments.
- Critically includes the oil pan gasket (reference 859031).
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 876381 |
| Volvo Penta | 875562 |
| Orbitrade | ORB21381 |
| Orbitrade | 21381 |
| Crom Marine | 121010 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Volvo Penta engines, it's recommended to cross-reference with your engine's serial number to ensure precise fitment, as model years can overlap.
| Brand | Model | Stroke | Years | OEM Part No. |
|---|---|---|---|---|
| Volvo Penta | MD5A | Diesel | 1975–1978 | 876381, 875562 |
| Volvo Penta | MD5B | Diesel | 1978–1981 | 876381, 875562 |
Technical Specs
- Product Type
- Conversion Gasket Kit / Oil Pan Gasket Set
- Installation
- Direct replacement
- Fuel Type
- Diesel
- Dimensions
- 330 × 300 × 20 mm
- Weight
- 0.17 kg (0.37 lb)
- Other Technical Attributes
- Includes oil pan gasket reference 859031
What’s in the Box
- 1 x Gasket Kit, including oil pan gasket (reference 859031)
Installation Notes
- Ensure the engine is completely cool and disconnect the battery terminals.
- Drain the necessary fluids, such as engine oil and coolant.
- Carefully disassemble the engine components required to access the old gaskets.
- Thoroughly clean all mating surfaces, ensuring they are free of old gasket material, sealant, and debris.
- Compare the new gaskets with the old ones to confirm a perfect match before installation.
- Place the new gaskets onto the clean surfaces. Do not use sealant unless explicitly required by your engine's service manual.
- Reassemble all components, tightening bolts in the correct sequence and to the manufacturer's specified torque values.
- Refill engine fluids, reconnect the battery, and start the engine to check for any leaks.
Troubleshooting & FAQ
How do I know if this gasket kit fits my engine?
This kit is designed specifically for Volvo Penta MD5A and MD5B models. The best way to confirm compatibility is to match your engine model and year with the list provided. For absolute certainty, cross-reference the OEM part numbers (876381, 875562) with your engine's service manual or existing parts.
What are common signs that my engine gaskets need replacement?
Signs of failing gaskets include external oil or coolant leaks, overheating, a milky appearance in the engine oil (indicating coolant mixing with oil), or loss of compression. Any visible fluid drips or residue around sealing surfaces warrant an inspection.
Should I use sealant or adhesive with these gaskets?
In most cases, these gaskets are designed to be installed on clean, dry surfaces without any additional sealant. Using sealant can sometimes interfere with proper sealing. Always follow the specific instructions in your engine's official service manual.
What is the difference between this kit and an original Volvo Penta kit?
This is an aftermarket kit designed to meet or exceed OEM specifications. While it is not an OEM part, it offers a cost-effective solution without compromising on material quality or fitment for the specified engines.
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
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
