Transom Bellow Seal for Volvo Penta 120, 130, 150 and M525 Sail Drives – Replaces 22303438, 3583365, 852699, 853479 and 854932
Transom Bellow Seal for Volvo Penta 120, 130, 150 and M525 Sail Drives – Replaces 22303438, 3583365, 852699, 853479 and 854932 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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Transom Bellow Seal for Volvo Penta 120, 130, 150 and M525 Sail Dri...
Transom Bellow Seal for Volvo Penta 120, 130, 150 and M525 Sail Drives – Replaces 22303438, 3583365, 852699, 853479 and 854932 is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket transom bellow seal is designed for specified Volvo Penta sail drive and sailboat gearcase applications. It forms the rubber sealing interface at the sail drive installation area and helps protect the hull opening from water ingress when correctly installed with the appropriate sealant and mounting procedure.
The company catalog identifies this replacement for Volvo Penta 120, 130, 150 and M525 sailboat gearcase components. It is associated with Volvo Penta OEM references 22303438, 3583365, 852699, 853479 and 854932, and with aftermarket reference CEF501001.
- Replacement rubber transom bellow seal for specified Volvo Penta sail drive applications.
- Installs at the interface between the hull and sail drive assembly.
- Use a suitable marine-grade sealant or adhesive selected for the vessel and hull material.
- Verify the exact sail drive model and the original part before ordering.
Part Number Matrix
Use the following references to compare the replacement with the part being removed.
| Brand or Source | Reference |
|---|---|
| Volvo Penta | 22303438 |
| Volvo Penta | 3583365 |
| Volvo Penta | 852699 |
| Volvo Penta | 853479 |
| Volvo Penta | 854932 |
| CEF aftermarket reference | CEF501001 |
Engine and Sail Drive Compatibility
The confirmed company fitment scope is Volvo Penta sailboat gearcase components for the following model families:
| Brand | Model Family | Related OEM References | Application |
|---|---|---|---|
| Volvo Penta | 120 | 22303438, 3583365, 852699, 853479, 854932 | Sail drive or sailboat gearcase component application |
| Volvo Penta | 130 | 22303438, 3583365, 852699, 853479, 854932 | Sail drive or sailboat gearcase component application |
| Volvo Penta | 150 | 22303438, 3583365, 852699, 853479, 854932 | Sail drive or sailboat gearcase component application |
| Volvo Penta | M525 | 22303438, 3583365, 852699, 853479, 854932 | Sail drive or sailboat gearcase component application |
Model variants, production years and serial-number ranges are not specified in the available product record. Confirm the exact drive designation, seal shape, mounting pattern and original reference before purchase.
Technical Specifications
- Product Type
- Transom bellow seal / sail drive rubber bellow
- Application
- Volvo Penta sailboat gearcase and sail drive components
- Confirmed Model Families
- Volvo Penta 120, 130, 150 and M525
- Material
- Rubber
- Installation Position
- At the hull and sail drive interface
- Aftermarket Reference
- CEF501001
- OEM References
- 22303438, 3583365, 852699, 853479 and 854932
- Brand Status
- Aftermarket replacement; not an original Volvo Penta component
What's in the Box
- 1 x Transom bellow seal
Sealant, adhesive, mounting hardware and other service parts are not included unless specifically stated in the order details.
Installation Notes
- Compare the replacement seal with the original part and confirm the sail drive model before beginning work.
- Remove the old seal and prepare the hull and sail drive mounting surfaces. Surfaces must be clean, dry and free from old sealant, grease and debris.
- Apply a suitable marine-grade sealant or adhesive according to the product manufacturer's instructions and the vessel service manual.
- Position the new bellow seal carefully, aligning the sail drive opening and mounting features.
- Reinstall the sail drive and mounting hardware using the manufacturer's specified tightening sequence and torque values.
- Allow the sealant or adhesive to cure fully before launching the vessel. Inspect the installation for uniform compression and possible water-ingress paths.
Troubleshooting and FAQ
Which Volvo Penta applications are listed for this seal?
The available product record lists Volvo Penta 120, 130, 150 and M525 sailboat gearcase or sail drive components. Exact variants are not individually confirmed, so compare the original seal and reference numbers before ordering.
Does this product fit Yanmar sail drives?
Yanmar compatibility is not included in the matching company product record. Do not rely on the previous Yanmar references in the old listing; verify the correct Yanmar part separately if your drive is not a listed Volvo Penta application.
What is included?
This listing is for one replacement transom bellow seal. Sealant, adhesive, bolts and additional service components are not included unless expressly stated.
What sealant should be used?
Use a marine-grade sealant or structural adhesive that is compatible with the hull material and approved by the vessel or sail drive service instructions. Follow the sealant manufacturer's surface-preparation and curing requirements.
Can I install it myself?
Installation involves removing and refitting the sail drive and creating a watertight hull seal. It should be performed by an experienced marine technician or by an owner who has the required tools, service information and lifting equipment.
Is this an OEM Volvo Penta part?
No. This is an aftermarket replacement associated with the listed Volvo Penta reference numbers. It is not manufactured or branded as an original Volvo Penta component.
Safety and Important Information
- Confirm the exact sail drive model, original seal profile and applicable reference number before ordering.
- Do not launch the vessel until the sealant has fully cured and the installation has been checked.
- A damaged or incorrectly installed transom seal can result in serious water ingress.
- Professional marine installation is recommended for safety-critical sealing work.
About Sea Sierra
- Marine Replacement Parts — We supply aftermarket components for service and repair applications.
- Application-Focused Listings — Product references and fitment information are provided to support careful part comparison.
- Support for Correct Selection — Compare the original component and model details before ordering.
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