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Gimbal Bearing Oil Seal – Fits Volvo Penta/OMC Sterndrives (3852548, 911795, 18-8349)
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Gimbal Bearing Oil Seal – Fits Volvo Penta/OMC Sterndrives (3852548, 911795)
This high-quality aftermarket oil and grease seal is designed for various Volvo Penta and OMC sterndrive models. It provides a crucial barrier, sealing the gimbal bearing from water intrusion and ensuring long-lasting performance of your drive components.
This component is a direct replacement for Volvo Penta 3852548, OMC 911795, Sierra Marine 18-8349, and Quicksilver 86300.
- Primary Function: Seals the gimbal bearing from water intrusion.
- Installation Type: External press-fit into the gimbal housing.
- Materials: Constructed from durable rubber with a rigid metal housing for a secure fit.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Volvo Penta | 3852548 |
| OMC | 911795 |
| Sierra Marine | 18-8349 |
| Quicksilver | 86300 |
Compatible Engine Models
Confirm your engine model/year in the table below.
Volvo Penta Applications
| Brand | Model | Rated HP | Stroke | OEM Part No. |
|---|---|---|---|---|
| Volvo Penta | SX | Various | 4-Stroke | 3852548 |
| Volvo Penta | SX-A | Various | 4-Stroke | 3852548 |
| Volvo Penta | DPS-A | Various | 4-Stroke | 3852548 |
| Volvo Penta | DP-S | Various | 4-Stroke | 3852548 |
OMC Applications
| Brand | Model | Rated HP | Stroke | OEM Part No. |
|---|---|---|---|---|
| OMC | Cobra | Various | 4-Stroke | 911795 |
Technical Specifications
| Specification | Value |
|---|---|
| Product Type | Gimbal Bearing Oil/Grease Seal |
| Installation | External |
| Material | Rubber with Metal Housing |
| Application | Seals gimbal bearing from water intrusion |
| Warranty | 1 Year |
Package Contents
- 1 x Gimbal Bearing Oil Seal (Replaces 3852548, 911795, 18-8349)
Installation Guide
- Disconnect the battery and remove the sterndrive unit according to the manufacturer's service manual.
- Access the gimbal housing where the gimbal bearing is located.
- Carefully pry out the old oil seal using a seal puller or flat-head screwdriver, taking care not to damage the housing surface.
- Thoroughly clean the seal seating area and inspect it for any deep scratches or burrs.
- Apply a thin layer of marine grease to the outer edge of the new seal.
- Position the new seal squarely over the housing opening.
- Gently tap the seal into place using a seal driver or a socket of a similar diameter until it is fully and evenly seated.
- Reinstall the gimbal bearing (if removed), bellows, and any other components.
- Re-attach the sterndrive unit and test for proper operation.
Troubleshooting & FAQ
Q: How do I know if this seal fits my sterndrive?
A: This seal is designed for Volvo Penta SX, DP-S, SX-A, and DPS-A drives, as well as various OMC Cobra models. The best way to confirm fitment is to match one of the direct replacement part numbers (Volvo Penta 3852548, OMC 911795, Sierra 18-8349, or Quicksilver 86300) with the part number listed in your engine's service manual.
Q: What are the signs of a failed gimbal bearing seal?
A: The most common signs of a failed seal are water found inside the drive bellows or a growling/grinding noise coming from the gimbal bearing area when turning the wheel. A faulty seal allows water to wash the grease out of the bearing, leading to premature failure.
Q: How often should the gimbal bearing seal be replaced?
A: It is highly recommended to replace the gimbal bearing seal anytime the sterndrive is removed for service. It should always be replaced along with the gimbal bearing as part of routine maintenance to prevent water intrusion.
Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.
We can ship to virtually any address in the world with free shipping available for most regions.
For our typical US and Canadian customers , our shipping timeframes are as follows:
- Amazon FBA: orders will be delivered within 1-5 business days after placing the order (during certain special periods such as major promotions, Christmas, etc., the delivery time of Amazon FBA may be affected).
- US warehouse shipment: orders will be delivered within 5 days after placing the order.
- China warehouse shipment: orders will be delivered about 12 days after placing the order.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
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