Gimbal Bearing Oil Seal – Fits Volvo Penta SX & OMC Cobra (Replaces 3852548, 911795)
This aftermarket gimbal bearing oil seal is designed for use with Volvo Penta SX and DP-SM sterndrives, as well as a wide range of OMC Cobra sterndrive models manufactured between 1986 and 1993. It provides a crucial barrier, protecting the gimbal bearing from water intrusion and ensuring smooth drivetrain operation.
Engineered as a direct replacement for OMC part number 911795 / 3852548 and Volvo Penta 3852548, this seal ensures a precise fit and reliable performance without requiring any modifications for installation.
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Installation Method: Direct press-fit replacement.
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Primary Function: Protects the gimbal bearing from damaging water intrusion.
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Package Includes: One gimbal bearing oil seal.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| OMC |
911795 / 3852548 |
| Volvo Penta |
3852548 |
| Sierra |
18-8349 |
| GLM |
86560 |
Compatible Engine Models
Confirm your engine model/year in the table below.
Volvo Penta
| Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Notes |
| Volvo Penta |
SX-C |
Various |
4-Stroke |
1994 and newer |
3852548 |
|
| Volvo Penta |
SX-M |
Various |
4-Stroke |
1994 and newer |
3852548 |
|
| Volvo Penta |
SX-R |
Various |
4-Stroke |
1994 and newer |
3852548 |
|
| Volvo Penta |
SX-S |
Various |
4-Stroke |
1994 and newer |
3852548 |
|
| Volvo Penta |
DP-SM |
Various |
4-Stroke |
1994 and newer |
3852548 |
|
OMC Cobra
| Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Notes |
| OMC |
Cobra Sterndrive 2.3L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
| OMC |
Cobra Sterndrive 2.5L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
| OMC |
Cobra Sterndrive 3.0L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
| OMC |
Cobra Sterndrive 3.2L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
| OMC |
Cobra Sterndrive 4.3L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
| OMC |
Cobra Sterndrive 5.0L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
| OMC |
Cobra Sterndrive 5.7L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
| OMC |
Cobra Sterndrive 5.8L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
| OMC |
Cobra Sterndrive 7.4L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
| OMC |
Cobra Sterndrive 7.5L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
| OMC |
Cobra Sterndrive 8.2L |
Various |
4-Stroke |
1986-1993 |
911795/3852548 |
|
Technical Specifications
| Specification |
Value |
| Product Type |
Gimbal Bearing Oil/Grease Seal |
| Installation |
Direct replacement, requires no modification |
| Connection |
Drive shaft to gimbal bearing |
| Housing Material |
Metal with rubber/synthetic sealing surface |
| Housing Color |
Black/Silver |
| Dimensions |
1.375" Shaft × 2.187" Bore × 0.500" Width (35mm × 55.6mm × 12.7mm) |
| Fitting Type |
Press fit |
| Other Technical Attributes |
Protects gimbal bearing from water intrusion |
Package Contents
- 1 x Gimbal Bearing Oil Seal (3852548/911795)
Installation Guide
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Safety First: Ensure the engine is completely off and disconnect the battery. Position the sterndrive for safe access.
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Remove Sterndrive: Detach the outdrive unit from the transom assembly to access the gimbal housing.
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Extract Old Seal: Carefully remove the old, worn oil seal from the gimbal housing. A seal puller may be helpful.
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Clean Housing: Thoroughly clean the mounting surface in the housing, removing all old grease, sealant, and debris.
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Install New Seal: Align the new oil seal and use a suitable driver to gently and evenly press it into the housing until it is fully seated.
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Reassemble: Reinstall the gimbal bearing (if replaced) and reattach the sterndrive unit, tightening all bolts to the manufacturer's specified torque.
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Final Check: Before launching, verify proper alignment and function of the drive components.
Troubleshooting & FAQ
Q: How do I know if this gimbal bearing seal will fit my sterndrive?
A: This seal fits a wide range of Volvo Penta (SX-C, SX-M, SX-R, SX-S, DP-SM) and OMC Cobra (1986-1993) models. Please check the "Compatible Engine Models" table and cross-reference your OEM part number (3852548 or 911795) to ensure a perfect match.
Q: What are the signs of a failing gimbal bearing oil seal?
A: The most common sign is water intrusion into the gimbal bearing area, which can lead to a rumbling or grinding noise from the bearing itself. You may also notice grease leaking out from behind the sterndrive or water in your bellows.
Q: How often should the gimbal bearing seal be replaced?
A: It is highly recommended to inspect the seal whenever the sterndrive is removed for service. Best practice is to replace it along with the gimbal bearing as part of regular preventative maintenance, typically every few seasons depending on use.
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?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.