Mercury – Cylinder Block & Exhaust Manifold Drain Plug | Cooling System Maintenance | Plastic Wing-Nut Design | 8M0119211

Overview

If you spend any amount of time caring for your MerCruiser engine, you know the small parts often make the biggest difference. A dependable drain plug may not feel glamorous, but when you are winterizing in a cold driveway or draining the block after a long day on the water, having a plug you can trust is everything. That’s where the Quicksilver 8M0119211 comes in—a simple, sturdy little part that makes routine maintenance feel a lot less like a chore.

With its easy-to-grip wing-nut design and reliable seal, it’s the kind of piece you install once and immediately appreciate. It makes your engine maintenance smoother, cleaner, and more predictable—exactly the peace of mind every boater wants when caring for their investment.

Key Features

• Wing-nut style drain plug designed for cylinder blocks and exhaust manifolds on MerCruiser sterndrive and inboard engines.
• Durable blue plastic construction that won’t corrode or seize.
• Includes an O-ring to ensure a tight, dependable seal.
• Designed for quick insertion and removal using nothing more than your fingers.
• Meets Mercury Marine original equipment specifications for proper fit and longevity.

Engine & Boat Compatibility

• Built for MerCruiser sterndrive engines across a wide range of model years.
• Works on MerCruiser inboard engines equipped with block and manifold drain ports.
• Commonly used on runabouts, cruisers, bowriders, sport boats, wake boats, and fishing boats with MerCruiser power.
• Ideal for seasonal maintenance, winterization, and routine freshwater draining.

Performance & Practical Benefits

A drain plug might seem basic, but anyone who has wrestled with a stuck or leaking one knows better. With the 8M0119211, you’ll feel the difference the moment you use it. The wide wings give you steady grip even with cold hands or wet fingers, making draining the block a quick, hassle-free step in your maintenance routine.

The O-ring seats firmly, so when you tighten the plug you’ll feel a secure, confident fit—no wobble, no guessing, no drips. The durable plastic resists corrosion and impact, holding up well against the hard and often unpredictable marine environment. Whether you are flushing the engine after a salty weekend, prepping for winter, or completing basic upkeep, this part keeps things tight, clean, and reliable.

Best of all, it helps protect your engine from improper drainage and the damage that can follow. It’s inexpensive peace of mind that pays off in engine life and worry-free boating.

Why Buy OEM

When it comes to components that protect your cooling system, OEM quality matters. This Mercury Marine part:

• Fits exactly as your engine was designed to accept it.
• Provides long-term durability and a dependable seal.
• Prevents compatibility issues common with aftermarket substitutes.
• Saves you time and frustration during routine service.
• If you want something built to the same standards as your engine, OEM is the smart choice every time.

FAQ

Q1: Which engines does the 8M0119211 drain plug fit?

It’s designed for a wide range of MerCruiser sterndrive and inboard engines that use block and manifold drain ports.

Q2: How is it different from aftermarket versions?

The OEM version provides the correct fit, a reliable O-ring seal, and long-lasting material quality you can trust.

Q3: How can I confirm it fits my specific engine?

Check your owner’s manual or compare your existing plug design to the wing-nut style of this part.

Q4: Is it suitable for both freshwater and saltwater environments?

Yes—the plastic construction resists corrosion and works well in either environment.

Q5: Is installation easy?

Extremely. Most boat owners can remove and install this plug by hand with no additional tools required.