Exhaust Manifold Gasket – Fits Volvo Penta D3 Engines (Replaces 30729340)
Exhaust Manifold Gasket – Fits Volvo Penta D3 Engines (Replaces 30729340) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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Exhaust Manifold Gasket – Fits Volvo Penta D3 Engines (Replaces 307...
Product Details
This high-quality aftermarket Exhaust Manifold Gasket is designed specifically for Volvo Penta D3 series diesel engines. It provides a reliable seal for the exhaust manifold connection on various horsepower models, including the D3-110, D3-130, D3-140, D3-150, D3-160, D3-170, D3-190, and D3-200.
It serves as a direct replacement for Volvo Penta part numbers 30729340 and 8631562, ensuring precise fitment and function.
- Engineered for a direct OEM-replacement installation.
- Specifically designed for marine diesel environments.
- Used for the exhaust manifold to cylinder head connection.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 30729340 |
| Volvo Penta | 8631562 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This gasket is designed exclusively for the Volvo Penta D3 series engines listed.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Volvo Penta | D3-110I-D | 110 | 4-Stroke | 30729340 | Diesel |
| Volvo Penta | D3-130A-D, D3-130I-D | 130 | 4-Stroke | 30729340 | Diesel |
| Volvo Penta | D3-140A-D | 140 | 4-Stroke | 30729340 | Diesel |
| Volvo Penta | D3-150I-D | 150 | 4-Stroke | 30729340 | Diesel |
| Volvo Penta | D3-160A-D, D3-160I-D | 160 | 4-Stroke | 30729340 | Diesel |
| Volvo Penta | D3-170A-D, D3-170I-D | 170 | 4-Stroke | 30729340 | Diesel |
| Volvo Penta | D3-190A-D, D3-190I-D | 190 | 4-Stroke | 30729340 | Diesel |
| Volvo Penta | D3-200A-D, D3-200I-D | 200 | 4-Stroke | 30729340 | Diesel |
Technical Specs
- Product Type
- Exhaust Manifold Gasket
- Installation
- Direct OEM replacement
- Fuel Type
- Diesel
- Dimensions
- 14.0" L x 6.55" W x 0.5" H
- Other Technical Attributes
- Used on exhaust manifold connection
What’s in the Box
- 1 x Exhaust Manifold Gasket (Replaces 30729340/8631562)
Installation Notes
- Ensure the engine is completely cool and disconnect the battery.
- Drain the engine coolant to a level below the exhaust manifold.
- Carefully remove any components blocking access to the exhaust manifold.
- Unbolt and remove the exhaust manifold from the cylinder head.
- Remove the old gasket and thoroughly clean both mating surfaces. Ensure they are free of old gasket material, carbon, and debris.
- Position the new gasket correctly on the cylinder head.
- Reinstall the exhaust manifold and tighten the bolts in the sequence and to the torque specifications recommended by the manufacturer.
- Reconnect all components, refill the coolant, and reconnect the battery.
- Start the engine and carefully check for any exhaust or coolant leaks around the manifold.
Troubleshooting & FAQ
What are the signs of a failed exhaust manifold gasket?
Common symptoms include a loud ticking or tapping noise from the engine bay (especially when cold), visible soot or black streaks around the manifold-head connection, a decrease in engine performance or fuel efficiency, and the smell of exhaust fumes in the cabin or engine compartment.
Is it necessary to use sealant with this gasket?
Generally, this type of gasket is designed to be installed dry without any additional sealants. Applying sealant can sometimes interfere with a proper seal. Always refer to your engine's specific service manual for the final word on sealant use.
Can I reuse my old exhaust manifold gasket?
No. Gaskets are single-use components that crush and deform to create a seal. Once removed, they will not seal correctly again and must be replaced to prevent dangerous exhaust leaks.
What happens if a faulty gasket is not replaced?
Ignoring a failed exhaust manifold gasket can lead to hot exhaust gases leaking into the engine bay, which can damage nearby components, reduce engine performance, and allow toxic fumes to enter the vessel's cabin. It can also cause burnt exhaust valves over time.
How do I find the model and serial number of my Volvo Penta engine?
Your engine's identification plate is typically located on the top or side of the engine block. It contains the model name, serial number, and other vital details needed to confirm part compatibility.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9001 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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