Multi-DOT Brake Fluid Tester Pen - DOT3/4/5 Brake Oil Quality Checker with 5-LED Indicator

Never Guess When It Comes to Your Brakes
Gain clarity and confidence with the Multi‑DOT Brake Fluid Tester Pen, the pocket-sized diagnostic tool every driver or mechanic needs. Instantly identify the moisture content and quality of DOT3, DOT4, or DOT5 brake fluid using the built-in 5‑LED test strip. Compact, durable, and easy to use, this tester helps you prevent brake system failures before they happen—saving time, money, and ensuring safety on the road.

Key Features

• 5-LED moisture indicator gives clear results in seconds

• Compatible with DOT3/4/5 brake fluid types for versatile use

• Simple pen-style probe design—just dip, check, and go

• Long-lasting battery and durable housing for workshop or roadside use

• No tools or calibration needed—straightforward, accurate reads

Why Choose Our Brake Fluid Tester?

Unlike bulky test kits or messy paper strips, this tester combines precision and portability in a waterproof, pen-shaped tool. It’s faster and more reliable than DIY alternatives—engineered for quick diagnostics whether you’re troubleshooting at home, track, or on-site.

Perfect For (Occasions & Uses)

• Regular maintenance checks for personal and fleet vehicles

• DIY mechanics wanting professional-grade insight

• Safety inspections before long trips or track days

• Automotive shops, mobile mechanics, and service centers

Take Control of Your Brake Safety Today

Never let unknown brake fluid quality compromise your ride. Add the Multi-DOT Brake Fluid Tester Pen to your kit and drive with assurance—smart, simple, and safety-first diagnostics.