Gasket – Fits Volvo Penta 30 Series Marine Engines (Replaces 845291, 859045)
Gasket – Fits Volvo Penta 30 Series Marine Engines (Replaces 845291, 859045) is backordered and will ship as soon as it is back in stock.
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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
Gasket – Fits Volvo Penta 30 Series Marine Engines (Replaces 845291...
Product Details
This replacement Gasket – Fits Volvo Penta 30 Series Marine Engines (Replaces 845291, 859045) is engineered for a precise fit on Volvo Penta marine diesel engines in the 30 series family, including popular models like the AQAD30A and TAMD30A.
It is a direct cross-reference for Volvo Penta part numbers 845291 and 859045, ensuring seamless compatibility.
- Designed for direct, hassle-free installation.
- Built to meet or exceed original OEM specifications for reliable, long-term performance.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Superseded By | Notes |
|---|---|---|---|
| Volvo Penta | 859045 | Current part number | |
| Volvo Penta | 845291 | 859045 | Superseded part |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Volvo Penta owners, this gasket is listed as compatible with the following 30-series diesel engines. Please verify your specific part number before ordering.
| Brand | Model | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|
| Volvo Penta | AQAD30A | 4-Stroke | 859045 | Supersedes 845291 |
| Volvo Penta | TAMD30A | 4-Stroke | 859045 | Supersedes 845291 |
| Volvo Penta | AD30A | 4-Stroke | 859045 | Listed in parts catalog |
| Volvo Penta | MD30A | 4-Stroke | 859045 | Listed in parts catalog |
| Volvo Penta | TMD30A | 4-Stroke | 859045 | Listed in parts catalog |
Technical Specs
- Product Type
- Gasket
- Installation
- Direct replacement
- Dimensions
- 18.0" L x 15.0" W x 0.3" H
- Warranty
- Manufacturer standard warranty
- Other Technical Attributes
- OEM specification
What’s in the Box
- 1 x Gasket (Replaces 859045)
Installation Notes
- Ensure the engine is off and completely cool. Disconnect the boat's battery for safety.
- Access the component that requires the gasket replacement. Drain any necessary fluids (like oil or coolant) according to your service manual.
- Carefully remove the old, failed gasket.
- Thoroughly clean both mating surfaces. Remove all residual gasket material, sealant, and debris to ensure a clean, dry surface for a proper seal.
- Position the new gasket, making sure it aligns perfectly with all bolt holes and passages.
- Reassemble the components and tighten fasteners to the manufacturer's specified torque and sequence.
- Refill any drained fluids, reconnect the battery, and carefully start the engine to check for any leaks around the newly sealed area.
Troubleshooting & FAQ
Which Volvo Penta engines does this gasket fit?
This gasket is specifically made for the Volvo Penta 30-series marine diesel engine family, which includes models like AQAD30A, TAMD30A, AD30A, MD30A, and TMD30A. To guarantee a perfect fit, always confirm your engine's part number requirements against 859045 or its predecessor, 845291.
What are the signs of a bad gasket?
Common symptoms include fluid leaks (oil or coolant), engine overheating, loss of power, or poor performance. A visual inspection may show cracks, brittleness, or deterioration in the old gasket material.
Do I need to use gasket sealant during installation?
This depends on your specific engine application. Always consult your official Volvo Penta service manual. Some gaskets are designed to be installed dry, while others require a specific type of sealant for a proper seal.
Is this an OEM part?
This listing is for a high-quality aftermarket replacement, not an OEM part. It is built to OEM-level specifications with comparable materials and manufactured in an ISO 9001 certified facility, with batch inspections to ensure consistent quality and fitment.
How fast is shipping?
We ship worldwide, with most orders arriving in 5–15 days. Standard shipping is free. If available for your location, expedited shipping options and costs will be displayed at checkout.
What is the warranty and return policy?
This part 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 for unused items in their original condition within our standard return window. Refer to our policy page for full details.
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
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