Gimbal Bearing Oil Seal – Fits Volvo Penta/OMC Sterndrives (3852548, 911795, 18-8349)
Gimbal Bearing Oil Seal – Fits Volvo Penta/OMC Sterndrives (3852548, 911795, 18-8349) is backordered and will ship as soon as it is back in stock.
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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
Gimbal Bearing Oil Seal – Fits Volvo Penta/OMC Sterndrives (3852548...
Product Details
This Gimbal Bearing Oil Seal is designed for Volvo Penta SX, DP-S, SX-A, DPS-A drives and a variety of OMC Cobra sterndrive models. It is a critical component for protecting the gimbal bearing from water intrusion.
It serves as a direct replacement for Volvo Penta 3852548, OMC 911795, Sierra Marine 18-8349, and Quicksilver 86300.
- External installation for straightforward servicing.
- Constructed from durable rubber with a metal housing for a secure seal.
- Essential for preventing premature gimbal bearing failure due to water damage.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 3852548 |
| OMC | 911795 |
| Sierra Marine | 18-8349 |
| Quicksilver | 86300 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Volvo Penta: This seal fits a range of sterndrive models including SX, SX-A, DPS-A, and DP-S.
For OMC: Compatible with various OMC Cobra sterndrive models.
| Brand | Model | OEM Part No. |
|---|---|---|
| Volvo Penta | SX | 3852548 |
| Volvo Penta | SX-A | 3852548 |
| Volvo Penta | DPS-A | 3852548 |
| Volvo Penta | DP-S | 3852548 |
| OMC | Cobra | 911795 |
Technical Specs
- Product Type
- Gimbal Bearing Oil/Grease Seal
- Installation
- External
- Material
- Rubber with Metal Housing
- Application
- Seals gimbal bearing from water intrusion
- Warranty
- 1 Year
What’s in the Box
- 1 x Gimbal Bearing Oil Seal (Replaces 3852548, 911795, 18-8349)
Installation Notes
- Ensure the engine is off and the drive is trimmed to a safe, accessible position.
- Remove the sterndrive assembly from the transom housing to access the gimbal area.
- Carefully pry out the old gimbal bearing seal using a seal puller, noting its orientation.
- Thoroughly clean the seal seating surface in the housing, ensuring it is free of old sealant, dirt, or corrosion.
- Apply a thin layer of marine grease to the outer edge of the new seal.
- Using an appropriate seal driver tool, press the new seal evenly into the housing until it is fully seated.
- It is highly recommended to replace the gimbal bearing at the same time as the seal.
- Reinstall the sterndrive assembly according to the manufacturer's service manual, torquing all fasteners to specification.
Troubleshooting & FAQ
How do I know if my gimbal bearing seal is failing?
Common signs include water entering the u-joint bellows, a rumbling or grinding noise from the transom area (especially when turning), or visible rust and corrosion on the gimbal bearing itself during inspection.
Can I replace just the seal without replacing the bearing?
While technically possible, it is strongly recommended to replace the gimbal bearing and seal together. If the seal has failed, it has likely allowed water to contaminate and damage the bearing, and replacing only the seal will lead to premature failure.
What are the signs of a bad gimbal bearing?
A bad gimbal bearing typically causes a growling or roaring noise from the rear of the boat that changes with steering angle. You may also notice excessive vibration or stiffness when turning the drive side-to-side.
How often should this seal be replaced?
The gimbal bearing seal should be inspected annually during routine outdrive maintenance. It is best practice to replace it preventatively every 2-3 seasons, or any time the sterndrive is removed for service.
What is the difference between an OEM part and an aftermarket one?
This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials and performance. Our parts are manufactured in an ISO 9002 facility and are batch-inspected for quality and consistency.
What is your shipping speed and cost?
We ship worldwide quickly—typical transit time is 5–15 days. Standard shipping is free to most regions, with expedited options available at checkout where applicable.
What is your 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 within our standard window for unused items in their original condition. See our policy page or reach out for instructions.
Safety & Important Info
- Verify images and specifications against 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 quality control.
Payment & Security
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