Gear Lube Reservoir Fitting - Fits MerCruiser Alpha One Gen II & Bravo (Replaces 22-861150T02)
This gear lube reservoir fitting is designed for Mercury MerCruiser Alpha One Gen II (1998 & newer) and all Bravo sterndrive series. It installs in the transom shield to ensure a proper connection for the gear lube monitor bottle.
This part is a direct replacement for Quicksilver 861150T02, Mercury 22-861150T02, Mercury 22-861150A1, and Mercury 22-861150A2.
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Installation Location: Mounts on the transom shield.
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Material: Made from durable black plastic with a 90-degree elbow connection.
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Compatibility: Engineered for MerCruiser Alpha One Gen II and Bravo sterndrives.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
Superseded By |
| Mercury |
22-861150A1 |
22-861150T02 |
| Mercury |
22-861150A2 |
22-861150T02 |
| Mercury |
22-861150T02 |
|
| Quicksilver |
861150T02 |
|
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.
| Brand |
Model |
Stroke |
Years |
OEM Part No. |
Notes |
| Mercury |
Alpha One Gen II |
4-Stroke |
1998 & newer |
22-861150T02 |
Fits in transom shield |
| Mercury |
Bravo One |
4-Stroke |
|
22-861150T02 |
Fits in transom shield |
| Mercury |
Bravo Two |
4-Stroke |
|
22-861150T02 |
Fits in transom shield |
| Mercury |
Bravo Three |
4-Stroke |
|
22-861150T02 |
Fits in transom shield |
Technical Specifications
| Specification |
Value |
| Product Type |
Gear Lube Reservoir Fitting |
| Installation |
Transom Shield |
| Connection |
90 Degree |
| Fitting Type |
90 Degree Elbow |
| Housing Material |
Plastic |
| Housing Color |
Black |
| Other Technical Attributes |
May need E-clip (53-87843) sold separately if required |
Package Contents
- 1 x Gear Lube Reservoir Fitting Assembly 90Deg (Replaces 22-861150T02)
Installation Guide
- Locate the old gear lube reservoir fitting on the upper port side of the transom shield.
- Carefully remove the reservoir hose from the fitting.
- Release the old fitting by removing its retaining clip (if applicable). Be prepared for minor oil spillage.
- Clean the mounting surface and inspect the port for any debris or damage.
- Insert the new 90-degree fitting firmly into the port on the transom shield.
- Secure the new fitting in place. Note: Some models require an E-clip (part number 53-87843), which is sold separately. Please verify if your specific setup requires one.
- Attach the gear lube reservoir hose securely onto the new fitting.
- After installation, check the gear lube level in the monitor bottle and top off as needed. Monitor for any leaks.
Troubleshooting & FAQ
Q: How do I confirm this fitting will fit my MerCruiser drive?
A: This fitting is compatible with all MerCruiser Bravo models and Alpha One Gen II models from 1998 onwards. It is a direct replacement for OEM part number 22-861150T02. We recommend visually comparing your old part to our product images to ensure an exact match.
Q: What are the signs that my old gear lube fitting needs replacement?
A: Common signs of a failing fitting include visible cracks in the plastic, brittleness from age and heat exposure, or gear lube leaking from the fitting's connection point on the transom shield.
Q: Do I need any other parts for this installation?
A: Depending on your sterndrive model, you may need an E-clip (Mercury part 53-87843) to secure the fitting to the transom shield. This clip is not included and must be purchased separately if your old one is missing or damaged.
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.