Gear Lube Reservoir Fitting – Fits MerCruiser Alpha One Gen II & Bravo

Gear Lube Reservoir Fitting – Fits MerCruiser Alpha One Gen II & Bravo

This gear lube reservoir fitting is a direct replacement for MerCruiser Alpha One Gen II (1998 and newer) and all Bravo series sterndrives. It installs on the transom shield bulkhead to connect the gear lube monitor bottle hose.

This assembly directly replaces Mercury-MerCruiser part numbers 861150T02, 22-861150A1, and 22-861150A2.

• Engineered for a precise fit on the transom shield of Alpha and Bravo stern drives.
• Features a 90-degree black plastic housing with a barbed hose connector.
• Note: Requires a separate E-clip for secure installation.

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 Gear Lube Reservoir Fitting Assembly (Replaces 861150T02)

Installation Guide

1. Locate the existing gear lube reservoir fitting on the transom shield bulkhead.
2. Carefully disconnect the gear lube hose from the old fitting, preparing for potential fluid spillage.
3. Remove the E-clip securing the old fitting and extract the fitting from the transom.
4. Clean the area around the installation point to ensure a clean seal.
5. Insert the new 90-degree fitting into the transom shield opening.
6. Secure the new fitting in place with the required E-clip (not included).
7. Firmly attach the gear lube hose to the barbed connector on the new fitting until it is fully seated.
8. Check for a secure connection and inspect for any leaks.
9. Top off the gear lube reservoir with the manufacturer-specified fluid as needed.

Troubleshooting & FAQ

Q: How do I know if this fitting will fit my MerCruiser drive?

A: This fitting is specifically designed for MerCruiser Alpha One Gen II (1998 and newer) and all Bravo series sterndrives. The best way to confirm is to match your old part number to the ones listed in our cross-reference table: 861150T02, 22-861150A1, or 22-861150A2.

Q: What are the signs that this fitting needs replacement?

A: Common signs of a failing fitting include visible cracks or brittleness in the plastic, gear lube leaking from the fitting area on the transom, or a loose, insecure connection where the hose attaches.

Q: Does this part include the E-clip needed for installation?

A: No, the E-clip required to secure the fitting to the transom shield is not included in this package. You will need to reuse your existing one or purchase it separately.

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.