Mercury – Sterndrive & Inboard Oil Change Kit | 4-Stroke Marine Engine Service | 8M0182228

Overview

There’s something grounding about taking care of your own boat. You lift the engine hatch, feel the warmth of a motor that’s worked hard for you, and you know it’s time to return the favor. The Mercury 8M0182228 Sterndrive and Inboard Oil Change Kit turns that routine service into a simple, satisfying job. Everything you need is in one box, and once the fresh oil is poured and the new filter is snug, you’ll feel that familiar peace—the confidence that your engine is protected and ready for more days on the water.

Key Features

• Complete oil change kit for a wide range of MerCruiser four-stroke inboard and sterndrive engines
• Six quarts of Mercury SAE 25W-40 Four-Stroke Marine Engine Oil
• Premium Mercury oil filter designed for marine performance
• Clear, easy-to-follow instructions for clean, accurate service
• Engineered and produced to original equipment standards for long-term reliability

Engine & Boat Compatibility

• Suitable for MerCruiser in-line four-cylinder and six-cylinder engines
• Fits MerCruiser 4.5-liter, 5.0-liter, 5.7-liter, and 6.2-liter V8 small-block engines
• Compatible with MerCruiser V6 engines with remote oil systems
• Can also be used for MerCruiser 7.4-liter, 8.1-liter, and 8.2-liter engines with one to two additional quarts of oil (not included)
• Commonly found in cruisers, runabouts, family deck boats, sport boats, and fishing vessels

Performance & Practical Benefits

A healthy marine engine starts with clean oil. Mercury’s 25W-40 formula is built for the realities of boating—heavy loads, long idle zones, sharp throttle changes, moisture, and constant temperature swings. It maintains its viscosity where automotive oils break down, and it includes corrosion inhibitors designed specifically for engines that live in a damp, salt-tinged world.

You’ll notice the difference after a fresh oil change. The engine settles into a smooth, even rhythm, throttle response feels crisper, and everything sounds a bit more relaxed. The premium filter captures fine contaminants and holds up under the continuous vibration and heat that marine engines experience. With this kit, the whole job becomes straightforward: drain, replace, fill, and head back out with the confidence that your powerplant is ready for another stretch of reliable service.

Why Buy OEM

When it comes to a boat’s engine, guessing isn’t worth the risk. Mercury’s oil and filters are designed from the start to match the chemistry, flow requirements, and protection levels their engines need. You’re not gambling on an aftermarket blend or a filter meant for a car—you’re installing parts the manufacturer trusts on their own test boats. It’s the easiest way to protect the investment sitting under your engine hatch, and it saves you from troubleshooting issues that often start with off-brand oils or filters.

FAQ

Q1: Which engines does this oil change kit fit?

It fits many MerCruiser four-stroke inboard and sterndrive engines, including in-line four-cylinder and six-cylinder models, V6 engines with remote oil systems, and most V8 small-blocks.

Q2: What makes this kit different from aftermarket options?

Every component is engineered to Mercury Marine’s original equipment standards, ensuring correct lubrication and protection.

Q3: How do I know if this is the right kit for my engine?

Check your owner’s manual. If your engine matches the listed families and uses Mercury 25W-40, this is the correct kit.

Q4: Can I use this in saltwater and freshwater boats?

Yes. The oil includes corrosion inhibitors suited for both environments.

Q5: Is the installation straightforward?

It is. With basic tools, most boat owners can complete the oil change using the provided instructions.