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Brake Fluid Tester

Don’t let adulterated brake fluid get you and your family into accidents!

Using this Brake Fluid Tester,  you'll have the option to quickly see if you need to change your brake fluid before hitting the road.


  • Universal flexible nickel-plated metal probe
  • Probe flashlight function
  • Easy to read LED display 
  • Corrosion-resistant body and probe
  • Fast and accurate brake fluid analysis using a sensitive probe sensor
  • Wide range brake fluid test (DOT 3, DOT 4, DOT 5.1)
  • One-hand and one-button operation

Button Benefits:

  1. Press button for 3 seconds to turn on and off
  2. Press button for 2 seconds to turn flashlight on and off
  3. Press button for 1 second to select brake fluid type (DOT 3, DOT 4, DOT 5.1)

How to use:

  1. Turn on your Brake Fluid Tester
  2. Select fluid type
  3. Insert probe into reservoir until the sensor is submerged in the fluid
  4. Check LED light color for analysis

LED indicator analysis:

  • Red:Brake oil with at least 4% water content
  • Red:Brake oil with about 3% water content
  • Yellow:Brake oil with about 2% water content
  • Yellow: Brake oil with less than 1% water content
  • Green:Without water good condition


  • Test Range: DOT3, DOT4, DOT5.1
  • Size: 6.73in x 1.56in x 0.87in
  • Components: Industrial Grade ABS
  • Color: Black
  • Three-Color LED Light Display
  • Powered by 2 AAA batteries (not included)


Package Includes: 

  • 1 x Break Fluid Tester
  • *Battery not included*

Tap ADD TO CART to order yourBrake Fluid TesterTODAY!

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