Front Crankshaft Sealing Ring Kit – Fits Volvo Penta D4 & D6 Series (Replaces 3582748)
Front Crankshaft Sealing Ring Kit – Fits Volvo Penta D4 & D6 Series (Replaces 3582748) 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.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Product Details
This is a replacement Front Crankshaft Sealing Ring Kit designed for Volvo Penta D4 and D6 Series diesel engines. It ensures a reliable seal at the front of the engine's crankshaft to prevent oil leaks and maintain engine integrity.
This kit is a direct replacement for Volvo Penta part number 3582748.
- Designed for front crankshaft installation.
- Prevents oil leakage from the engine's front seal.
- Engineered for use in diesel marine environments.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 3582748 |
Engine & Model Compatibility
Confirm your engine model in the table below.
This part is confirmed to fit the following Volvo Penta engine models.
| Brand | Model | Stroke | OEM Part No. |
|---|---|---|---|
| Volvo Penta | D4 Series | 4-Stroke | 3582748 |
| Volvo Penta | D6 Series | 4-Stroke | 3582748 |
| Volvo Penta | D6-280A-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-300I-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-300A-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-340I-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-340A-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-380I-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-380A-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-400A-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-440I-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-440I-WJ-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-440A-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-480I-G | 4-Stroke | 3582748 |
| Volvo Penta | D6-480I-WJ-G | 4-Stroke | 3582748 |
Technical Specs
- Product Type
- Front Crankshaft Sealing Ring Kit
- Installation
- Front crankshaft (engine front)
- Fuel Type
- Diesel
- Dimensions
- 11.0" L x 11.0" W x 1.5" H
- Other Technical Attributes
- For front crankshaft sealing
What’s in the Box
- 1 x Front Crankshaft Sealing Ring Kit (Replaces 3582748)
Installation Notes
- Disconnect the vessel's battery and any relevant power sources.
- Relieve tension from the serpentine belt and remove it from the crankshaft pulley.
- Remove the crankshaft pulley/harmonic balancer. This may require a specialized puller tool.
- Carefully pry out the old sealing ring using a seal puller. Be cautious not to scratch or gouge the crankshaft or the housing surface.
- Thoroughly clean the seal housing and the crankshaft surface. Ensure no old seal material or debris remains.
- Lubricate the inner lip of the new sealing ring with clean engine oil.
- Using a suitable seal driver tool, carefully press the new sealing ring into the housing. Ensure it is seated evenly and flush with the housing face.
- Reinstall the crankshaft pulley and torque the retaining bolt(s) to the manufacturer’s specifications.
- Reinstall the serpentine belt and tension it correctly.
- Reconnect the battery.
- Start the engine and carefully inspect the new seal for any signs of oil leakage.
Troubleshooting & FAQ
How do I know if my front crankshaft seal is failing?
The most common sign of a failing front crankshaft seal is an oil leak from the front of the engine, typically visible around the crankshaft pulley or harmonic balancer. You may notice oil drips on the ground or a coating of oil and grime on the front of the engine block.
What happens if the seal is installed incorrectly?
An improperly installed seal—whether it's seated crooked, damaged during installation, or not lubricated—will almost certainly leak. It can also lead to premature wear of the seal or damage to the crankshaft surface, resulting in more complex and costly repairs.
Is this seal compatible with both D4 and D6 engines?
Yes, this sealing ring kit is designed to be compatible with both Volvo Penta D4 and D6 series engines as specified in the compatibility table. Always verify your specific engine model is listed before purchasing.
Can I complete this repair without special tools?
While possible, it is highly discouraged. You will likely need a harmonic balancer puller to remove the crankshaft pulley and a seal driver kit to install the new seal without damaging it. Using improper tools like a screwdriver can easily damage the seal or engine components.
How does this aftermarket seal compare to the OEM Volvo Penta part?
Our aftermarket part is engineered to meet or exceed OEM specifications for fit, form, and function. It's made from comparable high-quality materials in an ISO 9002 certified facility to ensure reliable, long-lasting performance in a marine environment.
When should the front crankshaft seal be replaced?
The seal should be replaced immediately if it is leaking. It is also common preventative maintenance to replace the seal whenever major front-engine service is performed, such as replacing the timing belt or water pump.
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
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