Gimbal Bearing Oil Seal – Fits Volvo Penta SX & OMC Cobra (Replaces 3852548, 911795)

Gimbal Bearing Oil Seal – Fits Volvo Penta SX & OMC Cobra (Replaces 3852548, 911795)

This aftermarket gimbal bearing oil seal is designed for a precise fit on a range of Volvo Penta and OMC Cobra sterndrive models. It serves as a direct replacement for OEM parts, protecting the gimbal bearing from water intrusion and ensuring the longevity of your drive components.

This seal directly replaces OMC part numbers 3852548 and 911795, Volvo Penta 3852548, Sierra 18-8349, and GLM 86560.

• Engine Compatibility: Fits Volvo Penta SX-C, SX-M, SX-R, SX-S, and DP-SM models (1994+) as well as OMC Cobra Sterndrives from 2.3L to 8.2L (1986–1993).
• Installation Method: Press-fit installation requires no modification.
• Function: Creates a secure seal between the drive shaft and gimbal bearing to prevent water entry.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below.

Volvo Penta

OMC Cobra

Technical Specifications

Package Contents

• 1 x Gimbal Bearing Oil Seal (3852548/911795)

Installation Guide

1. Safety First: Disconnect the boat's battery before beginning any work.
2. Remove the Sterndrive: Carefully detach the sterndrive unit from the gimbal housing according to your manufacturer's service manual.
3. Access the Bearing and Seal: Use an appropriate slide hammer or puller tool to extract the old gimbal bearing from the housing. The old seal will come out with it or may need to be removed separately.
4. Clean the Housing: Thoroughly clean the inside of the gimbal housing, ensuring the surface where the new seal will sit is free of debris, corrosion, and old sealant.
5. Install the New Seal: Position the new oil seal squarely in the housing. Use a seal driver or a suitable socket to gently and evenly press it into place until it is fully seated.
6. Install the Gimbal Bearing: With the seal in place, press the new gimbal bearing into the housing until it is seated against the seal. Ensure the grease hole aligns correctly.
7. Reassemble: Reinstall the sterndrive unit, bellows, and all other components in the reverse order of removal.
8. Final Check: Reconnect the battery and test the drive for proper operation and to ensure there are no leaks.

Troubleshooting & FAQ

Q: How do I confirm this seal will fit my engine?
A: First, check the compatible model tables for Volvo Penta and OMC Cobra sterndrives. This part fits Volvo Penta SX, DP-SM, and other models from 1994 and newer, and OMC Cobra Sterndrives from 1986 to 1993. The most reliable method is to cross-reference your old part number with the ones listed, such as 3852548 or 911795.

Q: What are the symptoms of a failed gimbal bearing seal?
A: The most common sign is water intrusion into the gimbal housing and bellows assembly, which you might notice during inspection. Other symptoms include a grinding or rumbling noise from the transom area while the engine is running (indicating a damaged gimbal bearing), or visible rust and corrosion on the bearing itself.

Q: Is this a difficult part to install?
A: This is a direct, press-fit replacement part. However, the installation process requires removing the entire sterndrive unit and using specialized tools like a seal driver and bearing puller. Due to the complexity, professional installation is strongly recommended unless you are experienced with sterndrive service.

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.