Bell Housing Washer – Fits MerCruiser Sterndrive Outdrives (Replaces 12-72498, 8M0162651)

Bell Housing Washer – Fits MerCruiser Sterndrive Outdrives (Replaces 12-72498, 8M0162651)

This bell housing washer is designed for use on a wide range of MerCruiser sterndrive models, including R, MR, Alpha One, and Alpha One Gen II outdrives manufactured from 1983 to the present. It serves as a direct replacement, ensuring proper alignment and function.

This component is a direct replacement for Mercury Marine part numbers 12-72498 and 8M0162651, as well as JLM Marine's REC12-72498.

• Material: Made from high-quality Synthane (fiber) to meet OEM specifications.
• Function: Installs between the gimbal ring and bell housing to ensure correct alignment.
• Compatibility: Engineered for a precise fit on specified MerCruiser sterndrive and transom assemblies.

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. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Technical Specifications

Package Contents

1 x Bell Housing Washer (Replaces 12-72498/8M0162651)

Installation Guide

1. Ensure the engine is off and the outdrive is trimmed to a safe, accessible position.
2. Disconnect any components obstructing access to the bell housing and gimbal ring area.
3. Carefully remove the old, worn washer from its position between the gimbal ring and bell housing.
4. Clean the mounting surfaces thoroughly to ensure they are free of any dirt, grease, or corrosion.
5. Place the new synthane washer into position, ensuring it is seated correctly.
6. Reassemble the surrounding components in the reverse order of removal.
7. Verify proper alignment and torque all fasteners to the manufacturer's recommended specifications.

Troubleshooting & FAQ

Q: How do I know if this washer fits my MerCruiser model?
A: This washer fits MerCruiser R, MR, Alpha One, and Alpha One Gen II models from 1983 to the present. Please review the Compatible Engine Models table to confirm your specific model and year.

Q: What is this washer made of and where is it installed?
A: It is a synthane (fiber) washer designed to be installed between the gimbal ring and the bell housing. Its purpose is to ensure proper alignment of the sterndrive components.

Q: My original part number is 12-72498. Will this part work?
A: Yes. This part directly replaces Mercury part number 12-72498, which has since been superseded by part number 8M0162651.

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.