Mercury – Quicksilver Gear Lube Pump | Maintenance Tools | Standard Finish | 8M0072133

Overview

There’s a quiet kind of confidence that comes from knowing you can handle your own maintenance on the dock, in the driveway, or at the marina before sunrise. A simple tool can make that difference — the kind that turns a messy chore into a steady, almost effortless routine. The Quicksilver Gear Lube Pump, part number 8M0072133, is one of those tools boaters swear by because it just works every single time. When you’re getting your boat ready for the next run, it’s reassuring to have something this dependable in your hands.

Key Features

• Designed to pump lower unit gear lube into outboard and sterndrive gear cases

• Fits standard one quart or one liter bottles

• Connects smoothly to any outboard or sterndrive with a three eighths by sixteen drain plug

• Includes adapter for gear cases with an M8 by 1.25 drain plug

• Built for consistent flow and secure threading during use

Engine & Boat Compatibility

• Works with most Mercury outboards across common horsepower ranges

• Compatible with Mercury sterndrive systems requiring lower unit gear lube service

• Fits many other leading marine engine brands using the same thread specifications

• Ideal for bass boats, pontoons, runabouts, offshore fishing boats, and family cruisers

Performance & Practical Benefits

Anyone who has ever changed lower unit oil knows how frustrating the job can be without the right pump. With this Quicksilver tool, the whole process becomes smoother and far more controlled. The threading locks in tight, so you are not fighting leaks, slipping fittings, or uneven flow. Each squeeze feels steady, giving you a clean, secure transfer of gear lube right where it needs to be.

The real beauty of this pump is how it expands your independence. You can service your engine on your own timeline instead of waiting on a shop visit. The pump fits both quart and liter bottles, which keeps things simple whether you stock Mercury gear lube or another marine-grade option. With the included adapter, even smaller drain plug styles are easy to manage. The tool feels sturdy in your hand — not flimsy or disposable — and that gives you the sense that you will be using it for many seasons.

Why Buy OEM

A genuine Mercury Marine part is designed with real-world boaters in mind, not just theoretical specs. When you go with original equipment, you get a tool that threads cleanly, seals properly, and holds up to repeated service cycles. It is cost-effective because it lasts, and it works right on the first try. Aftermarket pumps often struggle with poor threading or weak seals, which is the last thing you want when dealing with gear lube. With OEM gear, you are choosing the dependable path — the one seasoned boaters recommend because they know it keeps things simple and frustration-free.

FAQ

Q1: Which Mercury engines does the Quicksilver Gear Lube Pump fit?
It connects to most Mercury outboard and sterndrive engines that use a three eighths by sixteen drain plug, with an adapter for M8 by 1.25 plugs.

Q2: What makes this pump different from aftermarket versions?
It threads more securely, pumps more smoothly, and is built to last through repeated seasonal use.

Q3: How do I know if this is the correct replacement?
Check your engine’s drain plug size. If it uses a three eighths by sixteen or M8 by 1.25 plug, this is the right pump.

Q4: Can this be used in both saltwater and freshwater applications?
Yes, it works reliably in both environments since it handles gear lube transfer only.

Q5: Is installation straightforward?
Very. Thread it in, attach the bottle, and pump. Most boaters handle the task with ease.