Mercury – Replacement Oil Filter | V6/V8 FourStroke Series | Durable Metal Finish | 8M0176312

Overview

If you’ve spent enough mornings easing away from the dock, you know there’s a quiet comfort in an engine that fires up smooth and confident every single time. It’s the kind of peace that lets you focus on the tide, the sky, and the run ahead — not the worry of what’s happening beneath the cowling. The Quicksilver 8M0176312 Oil Filter plays a bigger role in that feeling than most folks realize. It keeps your oil clean, your starts consistent, and your engine protected day after day. When you rely on your Mercury to carry you miles offshore or through a shallow backwater maze, this is the sort of part that lets you trust the quiet in the background.

Key Features

• Designed for effective filtration in 175–300hp and 450R 3.4L V6 and 4.6L V8 FourStroke outboards
• Heavy-duty metal shell with a corrosion-resistant exterior
• M-Pleated filter media removes harmful contaminants and debris
• Built-in anti-drainback valve prevents dry starts and ensures clean lubrication on startup
• Direct, easy replacement using standard tools
• Mercury Marine part number 8M0176312

Engine & Boat Compatibility

This genuine Mercury Marine part is made for:

• Mercury 175hp, 200hp, 225hp, 250hp, 300hp FourStroke outboards
• Mercury Racing 450R 4.6L V8
• Serial number range 2B529482 and above
• Perfect for center consoles, bay boats, offshore fishing vessels, pontoons, multi-engine setups, and performance-minded freshwater rigs

Performance & Practical Benefits

A clean, well-filtered oil system is one of the biggest contributors to long engine life. With this filter installed, you’ll notice those little things that make a big difference — smoother starts, steady idle, and oil that keeps its clarity longer. The anti-drainback valve is one of the unsung heroes here; it keeps oil where it needs to be, so when you turn the key after a week of sitting, everything is already protected.

The filter media itself is tightly engineered to catch the small particles that can cause wear over time. Paired with Mercury-specified oil, the system works together to keep the engine running cool, smooth, and efficient. Replacement is quick and simple: remove the old filter, wipe the surface, and thread the new one in place. It’s one of those satisfying maintenance jobs where you can feel the difference the next time the engine runs.

Why Buy OEM

You’ll find plenty of filters that claim they “fit,” but only Mercury’s own filtration design matches the exact pressure, flow rate, and engine tolerances your outboard needs. OEM parts are built with heavier-duty shells, better internal valves, and filter media designed specifically for high-output marine engines. They hold up to heat, vibration, salt exposure, and the long hours that define real boating. It’s not just a safer bet — it’s the smart play for anyone who wants their engine to last season after season.

FAQ

Q1: Which engines does this oil filter fit?

It’s for Mercury 175–300hp and 450R V6/V8 FourStroke outboards with serial numbers 2B529482 and above.

Q2: What makes this different from aftermarket filters?

Mercury’s OEM filters have stronger shells, better filtration media, and valves tuned to Mercury’s oiling system.

Q3: How do I confirm this is the right filter for my engine?

Match your serial number and check your owner’s manual for the recommended Mercury Marine part.

Q4: Can this be used in saltwater and freshwater?

Yes — the corrosion-resistant shell is made for harsh marine environments.

Q5: Is installation easy?

Very. With an oil filter wrench and basic tools, most boat owners can replace it in minutes.