Mercury – DOT 5 Brake Fluid | Premium Powersports Brake System | High-Temp Silicone Formula | 8M0128419

Overview

Out on the water or on the trail, good brakes aren’t something you want to wonder about. You want that familiar, confident squeeze at the lever—the one that responds the same on a cool morning as it does after a long, hot ride. That’s exactly why the Quicksilver 8M0128419 DOT 5 Brake Fluid exists. It keeps the braking system steady, predictable, and trustworthy, even when the conditions around you are anything but. When you’re relying on your equipment far from the dock or trailhead, it’s the kind of detail that brings real peace of mind.

Key Features

• Designed for brake systems requiring DOT 5 silicone brake fluid
• High-temp performance with a 356°F wet boil point and 500°F dry boil point
• Provides strong corrosion protection for extended component life
• Low-compressibility formulation for smooth, consistent brake feel
• Meets or exceeds MIL-PRF-46176 and MIL-PRF-46176B specifications
• Not compatible with DOT 3 or DOT 4 brake systems
• Includes one 12-ounce bottle

Engine & Equipment Compatibility

• For all powersport and marine applications requiring DOT 5 silicone brake fluid
• NOT compatible with systems designed for DOT 3 or DOT 4
• Commonly used in:
  • Marine braking systems and hydraulic controls
  • ATVs, UTVs, and motorcycles requiring DOT 5
  • Snowmobiles and other off-road vehicles with DOT 5 specifications
• Always confirm compatibility in your owner’s manual for proper installation

Performance & Practical Benefits

Anyone who spends time around engines knows that braking performance can make or break the entire experience. With the 8M0128419 DOT 5 Brake Fluid, you’re getting a fast-responding, steady brake feel that doesn’t fade when the temperatures rise. That high dry boil point helps prevent vapor lock, while the wet boil point keeps performance strong even after moisture finds its way into the system over time.

The fluid’s low compressibility gives you a tight, predictable lever feel—something you’ll appreciate the first time you’re maneuvering around a dock, climbing a steep trail, or stopping on uneven terrain. It also resists internal corrosion, which is a big deal in marine environments where moisture is nearly impossible to avoid. You’ll find that the braking stays smooth, the system stays cleaner, and the components last longer with less maintenance.

One of the perks of using an OEM-quality fluid is that it behaves exactly how the engineers intended. You won’t get unexpected softness, inconsistent engagement, or early fade that sometimes shows up with off-brand formulas. It’s reassuring, dependable, and built for real-world use.

Why Buy OEM

A brake system is not something you gamble on. Mercury’s DOT 5 formula gives you reliability you can trust, especially when you’re working in harsh or constantly changing environments. Aftermarket options may advertise similar specifications, but they often lack the strict quality control, corrosion inhibitors, and thermal stability built into genuine Mercury Marine products.

Choosing this Mercury Marine part ensures compatibility, protects your braking components, and keeps your equipment running exactly as the manufacturer intended. It’s the practical, cost-effective choice for long-term performance and safety.

FAQ

Q1: Which systems does the DOT 5 Brake Fluid fit?

Any brake system specifically requiring DOT 5 silicone fluid. Always verify in your manual.

Q2: What makes this different from aftermarket brake fluid?

Its tested thermal stability, reliable corrosion protection, and strict adherence to military specifications set it apart.

Q3: How do I know if this is the correct fluid for my setup?

Check your equipment’s brake fluid cap or owner’s manual—if it calls for DOT 5, this is the right match.

Q4: Can it be used in both saltwater and freshwater environments?

Yes. Its corrosion-resistant formulation performs well in both.

Q5: Is installation straightforward?

Absolutely. Most owners can replace their brake fluid with basic tools, as long as they follow proper bleeding procedures.