Mercury – Strainer Assembly Kit | V6 & V8 FourStroke / Racing Series | Marine Polymer & Seal | 8M0142719

Overview

If you spend enough time offshore or running long stretches of river, you learn to respect every component that keeps your engine cool and steady. A clean, reliable cooling system is the difference between a perfect day on the water and a long, stressful limp back to the dock. The Mercury 8M0142719 Strainer Assembly Kit plays a quiet but crucial role in that peace of mind. It catches debris before it can cause trouble, keeps water flowing smoothly, and makes you feel like your engine is always one step ahead of whatever the water throws at it. That kind of confidence is something every boater appreciates.

Key Features

• Factory-specified replacement strainer assembly for Mercury and Mercury Racing outboards
• Includes the strainer body, seal, and cap pre-installed for simple installation
• Marine-grade polymer construction designed to resist wear, vibration, and contamination
• Helps protect the cooling system by preventing debris intrusion
• Genuine OEM Mercury Marine part number 8M0142719

Engine & Boat Compatibility

• Fits Mercury 3.4L V6 FourStroke outboards: 175hp, 200hp, 225hp
• Fits Mercury 4.6L V8 FourStroke outboards: 200hp, 225hp, 250hp, 300hp
• Compatible with Mercury Racing 3.4L V6 and 4.6L V8 models ranging from 150R through 500R
• Ideal for bass boats, offshore center consoles, pontoons, bay boats, and performance rigs

Performance & Practical Benefits

The moment you drop the throttle and feel your boat settle into its stride, you want to know your engine has everything it needs to stay cool. This strainer assembly keeps the water path clean by filtering out weeds, sand, shell fragments, and the unexpected surprises that show up in murky shallows.

Because the seal and cap come pre-installed, the fit feels tight and secure right from the start. You will notice how cleanly it seats, how smoothly it locks into place, and how naturally it meshes with the rest of the cooling system. It is the kind of part you install once and stop thinking about—exactly how a cooling component should be.

Long days in rough chop, weeks tied up at the dock, or long hauls across reservoirs all put stress on an outboard. A dependable strainer assembly minimizes that strain by ensuring consistent water pressure and stable cooling performance. You will feel it in the engine’s smooth idle, confident mid-range push, and steady temperature even when running hard.

Why Buy OEM

There are plenty of aftermarket parts out there, but few match Mercury’s precision or long-term durability. With an OEM strainer assembly, you are getting the exact fit your engine was engineered for. It installs cleanly, seals perfectly, and lasts longer because it is built from the same materials Mercury trusts on the production line. You are not gambling with tolerances or hoping a generic part holds up over time—you are giving your engine the right component the first time. For boaters who value reliability, OEM is the clear choice.

FAQ Section

Q1: Which engines does the Strainer Assembly 8M0142719 fit?

It fits Mercury 3.4L V6 FourStroke, 4.6L V8 FourStroke, and Mercury Racing 150R–500R outboards.

Q2: How is this different from an aftermarket kit?

OEM kits match Mercury’s exact design, sealing surface, and long-term durability. They fit better and last longer.

Q3: How can I confirm this is the correct replacement?

If your engine falls within the listed V6 or V8 platforms and serial range 2B529482 and up, this is your exact match.

Q4: Is it suitable for saltwater and freshwater?

Yes—its marine-grade materials and seal are designed for both environments.

Q5: Is installation straightforward?

Very. With the seal and cap pre-installed, the assembly drops into place smoothly and securely.