Quicksilver – 90-Degree Reservoir Fitting | Gear Lube System | Plastic Construction | 861150T02

Overview

Any boater who runs a MerCruiser sterndrive knows how reassuring it feels when every part of the gear lube system is tight, clean, and dependable. There’s a kind of quiet trust that builds over time — the trust that your drive will stay cool, lubricated, and ready for long days on the water. This 90-degree reservoir fitting is one of those small parts that carries big responsibility. You don’t notice it when it’s doing its job, but you absolutely notice when it isn’t. With this Mercury Marine part installed, you get that easy confidence back.

Key Features

• Ninety-degree plastic fitting for gear lube reservoirs
• Designed for MerCruiser Alpha One Gen II (1998 and newer) and Bravo drives
• Built to match Mercury Marine OEM specifications
• Ensures clean, secure routing of the reservoir hose
• Mercury Marine part number 861150T02

Engine & Boat Compatibility

• Fits MerCruiser Alpha One Gen II sterndrives
• Fits Bravo sterndrive gear lube reservoir systems
• Works with runabouts, cruisers, sport boats, bowriders, and family boats using MerCruiser drives
• Suitable for freshwater and coastal environments

Performance & Practical Benefits

It’s the kind of part you handle once and immediately understand its role. The fitting clicks in place with a solid, confident feel — not loose, not brittle, not questionable. Once installed, it allows the gear lube hose to sit smoothly without sharp bends that could restrict flow or create wear points.

That tight, leak-free connection helps maintain steady gear lube levels, especially during long runs or when pushing the boat onto plane. You’ll feel the difference in the way your drive behaves: cooler temperatures, smoother shifting, and more consistent performance through the full RPM range. A clean gear lube system also protects internal components from costly damage, so this small fitting ends up being a crucial part of long-term reliability.

For boat owners who like to stay ahead on maintenance, replacing worn fittings is one of those small but smart habits. This one installs easily with common tools, seats securely, and keeps the entire reservoir system working the way it should.

Why Buy OEM

With gear lube systems, there’s no room for guesswork. An aftermarket fitting may look the part, but the material quality or molding precision often falls short. A small crack, poor seal, or bad angle can lead to leaks or starvation — neither of which you want happening in the middle of a run.

A genuine Mercury Marine part fits exactly, seals properly, and lasts longer. It’s built from a resin that handles heat, vibration, and constant moisture without breaking down. Choosing OEM here is simply the practical choice for anyone who wants their drive to stay healthy season after season.

FAQ

Q1: Which engines or systems does this fitting work with?

It fits MerCruiser Alpha One Gen II and all Bravo sterndrive gear lube reservoir systems.

Q2: How is it different from aftermarket versions?

OEM fitment, better plastic formulation, and tighter sealing tolerances.

Q3: How do I know if it’s the correct replacement?

If your reservoir uses a ninety-degree fitting and your drive is Alpha One Gen II or Bravo, part number 861150T02 matches.

Q4: Is it safe for saltwater use?

Yes — the material holds up well in both environments.

Q5: Is installation simple?

Very. Most boaters can install it with basic tools.