Gear Lube Reservoir Fitting – Fits Mercury/MerCruiser Alpha One Gen II & Bravo Sterndrives (Replaces 22-861150T02)

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

This gear lube reservoir fitting assembly is a direct replacement for transom-mounted fittings on Mercury/MerCruiser Alpha One Gen II (1998 and newer) and all Bravo series sterndrives.

It is designed to replace OEM parts 22-861150T02, 22-861150A2, 22-861150A1, and the connector part 22-861163, providing a reliable connection for your gear lube system.

• Installation Location: Mounts directly on the transom shield.
• Connection Type: Features a 90-degree quick-connect plastic fitting for easy hose attachment.
• Important Note: Installation may require an E-clip (part number 53-87843), which is sold separately.

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

When purchased as a kit, you will receive:

• 1 x Fitting Assembly (replaces 22-861150T02)
• 1 x Gear Lube Hose Connector (replaces 22-861163)
• 1 x O-Ring (replaces 25-627021)
• 2 x O-Rings (replaces 25-201951)

Note: Depending on the specific sterndrive model, an E-clip (53-87843) may be required to secure the fitting, which is sold separately.

Installation Guide

1. Locate the existing gear lube reservoir fitting on the engine's transom shield.
2. Carefully remove the old fitting, being mindful of any retaining clips or O-rings that may be present.
3. Disconnect the gear lube hose from the old fitting. Take care to prevent lube spillage.
4. Thoroughly clean the mounting area on the transom shield to ensure a clean surface for a proper seal.
5. Install the new O-rings from the kit onto the new fitting assembly.
6. Secure the new fitting into the transom shield. If required for your model, install the E-clip (53-87843), which is sold separately.
7. Firmly connect the gear lube hose to the new 90-degree quick-connect fitting until it clicks into place.
8. Check all connections for tightness and inspect for any signs of leaks.
9. After installation is complete, top off the gear lube reservoir as needed per your engine's manual.

Troubleshooting & FAQ

Q: How do I confirm this fitting will fit my sterndrive?
A: This fitting is designed for Mercury/MerCruiser Alpha One Gen II (1998 and newer) and all Bravo series sterndrives. Please check the "Compatible Engine Models" table and cross-reference your OEM part number (22-861150T02, 22-861150A2, or 22-861150A1) to ensure a match.

Q: Do I need to buy anything else for installation?
A: The kit includes the main fitting, connector, and all necessary O-rings. However, depending on your sterndrive setup, you may need an E-clip (part number 53-87843) to fully secure it, which is sold separately.

Q: What are the signs that my current reservoir fitting needs replacement?
A: Common signs of a failing fitting include visible gear lube leaks around the transom area, a reservoir that constantly loses fluid, or visible cracks and physical damage on the old plastic fitting itself.

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.