Gear Lube Reservoir Fitting – Fits MerCruiser Alpha One Gen II & Bravo (Replaces 22-861150T02)
Gear Lube Reservoir Fitting – Fits MerCruiser Alpha One Gen II & Bravo (Replaces 22-861150T02) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Gear Lube Reservoir Fitting – Fits MerCruiser Alpha One Gen II &...
Gear Lube Reservoir Fitting – Fits MerCruiser Alpha One Gen II & Bravo (Replaces 22-861150T02) is backordered and will ship as soon as it is back in stock.
Product Details
This is a replacement Gear Lube Reservoir Fitting designed for the transom shield on Mercury MerCruiser Alpha One Gen II (1998 and newer) and all Bravo series sterndrives. It provides a crucial 90-degree connection for the gear lube oil reservoir hose.
This part is a direct replacement for Quicksilver part number 861150T02 and Mercury part numbers 22-861150T02, 22-861150A1, and 22-861150A2.
- Mounts directly in the transom shield assembly.
- Engineered from durable black plastic for corrosion resistance.
- Installation may require an E-clip (part number 53-87843), which is sold separately.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Quicksilver | 861150T02 |
| Mercury | 22-861150T02 |
| Mercury | 22-861150A1 |
| Mercury | 22-861150A2 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This fitting is compatible with various Mercury MerCruiser sterndrive models as detailed below.
| 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 Specs
- 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
What’s in the Box
- 1 x Gear Lube Reservoir Fitting Assy 90Deg (22-861150T02)
Installation Notes
- Ensure the engine is off and the sterndrive is in a safe, accessible position.
- Place a suitable container under the transom assembly to catch any residual gear lube.
- Locate the old gear lube fitting on the transom shield.
- Carefully remove the retaining E-clip (if present) and pull the old fitting out.
- Clean the opening and surrounding area to remove any old sealant or grime.
- Insert the new fitting firmly into the transom shield.
- Secure it with the E-clip (part #53-87843, sold separately), if required for your model.
- Reconnect the gear lube hose to the fitting.
- Refill the gear lube reservoir to the manufacturer-specified level.
- Check for any leaks around the new fitting before and after starting the engine.
Troubleshooting & FAQ
How do I know if this fitting is correct for my MerCruiser sterndrive?
This fitting is designed for MerCruiser Alpha One Gen II (1998+) and all Bravo series sterndrives. Please cross-reference your original part number with the numbers listed (22-861150T02, 861150T02, 22-861150A1, 22-861150A2) and visually compare it to your existing part to ensure a correct match.
Is the E-clip (53-87843) always required for installation?
Not all installations require the E-clip, but it is a common component for securing this fitting. We recommend checking your specific service manual or seeing if your old fitting used one. The E-clip is sold separately.
What are the signs of a failing gear lube fitting?
Common signs of failure include visible cracks in the plastic, brittleness from age or UV exposure, and gear lube leaking from the fitting or hose connection point. A leak can lead to low gear lube levels, risking catastrophic damage to your sterndrive.
I've installed the new fitting but it's leaking. What should I do?
First, ensure the fitting is fully seated in the transom shield and that the E-clip (if used) is properly secured. Check that the connected hose is not cracked or loose. If the leak persists, the issue might be with the hose or another part of the system. Do not operate the engine with a known leak.
How does this part compare to the original OEM part?
This is an aftermarket part designed to meet or exceed OEM specifications for fit, form, and function. It is made from high-quality, corrosion-resistant plastic similar to the original but at a more competitive price point.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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