Updated: 24 Feb 2025

car brake liquid testers

Explore up to 18% Off

Updated: 24 Feb 2025

#1

Best Choice
Phoenix Systems 8006-B Double-Ended Brake Fluid + Coolant Test Strips (15 foil wrapped test strips), 1 Pack

9.8

Phoenix Systems

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Main highlights

Identifies potential Brake fluid and coolant related problems before they occur -thereby ensuring your safety and fewer breakdowns

Gives you the peace of mind that your Brake fluid is good and is safely performing its proper function

15 Double-Ended test strips used to test both coolant and Brake fluid
#2

Value for Money
QUNNIE Car Vacuum Pump Tester, Hand Brake Liquid Suction Tool, 0~30 inHg 0~760 mmHg (kPa) can Easily Empty Car Brake, Car and Motorcycle.

9.7

QUNNIE

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Main highlights

【Range of values】0 ~ 30 inHg 0 ~ 760 mmHg (kPa) with pressure gauge.

【Portable】 easy to carry and does not take up space, it is very convenient to store in the car to avoid braking failure while driving the car to solve problems.

【Multifunction】Brake tester kit and vacuum pump is used to control intake and braking systems, it can also act on vehicle emissions and brake fluid change, a system that can diagnose all vehicles and various common components.
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#3
ITEQ Brake Fluid Liquid Tester Pen with 5 LED Indicators, Calibrated For DOT3 DOT4 Brake Fluid

9.5

ITEQ

-18%

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Why we love it

Quickly checks brake fluid quality to prevent accidents.

Easy-to-read LED indicators show water percentage clearly.

Simple and fast results in seconds, very user-friendly.

Main highlights

The LED indicators will show percentage of water in the brake fluid with 3 colors green yellow and red

Test the car brake fluid quality quickly to check whether it’s qualified, which can remind you to change the brake fluid when necessary to avoid traffic accident

Calibrated for cars using DOT4 and DOT3 brake fluids (But DOT3 is almost replaced by DOT4 because DOT4 has better performance)

-18%
#4
KAIWEETS Brake Fluid Tester Pen with Corrosion Resistance Probe, High-Precision Brake Fluid Moisture Tester with Data Hold Function, Buzzer Alarm, 3 Colors Backlight, Calibrated for DOT3, DOT4, DOT5.1

9.4

KAIWEETS

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Why we love it

Durable and corrosion-resistant design.

Quick and precise measurements.

User-friendly with convenient alerts.

Main highlights

Corrosion Resistant and Accurate
Features a corrosion-resistant probe with 0.3 accuracy for reliable brake fluid testing.

Ideal for Mechanics and DIYers
Compact, easy-to-use tester suited for both professionals and hobbyists.

Praised for Convenient Alerts
Three-color backlight and buzzer alarm enhance safety and usability.
#5
Brake Fluid Tester, Auto Brake Diagnostic Testing Tool, Hydraulic Fluid/Liquid/Oil Moisture Analyzer with 9 LED Indicators for DOT3/DOT4/DOT5.1 Brake Fluid(BF100)

9.2

KINGBOLEN

-10%

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Main highlights

【Support all kinds of Cars】KINGBOLEN Brake Fluid Tester can be used on all cars; It is easy-to-use and suitable for testing the water percentage in the brake fluid. Any problems please contact us to get prompt solutions. please contact us with Amazon or send mail to support@kingbolen. com .

【Support DOT3, DOT4, DOT5.1】Quick and easy method to accurately gauge the moisture content of all types of brake fluid.

【High Precision Sensor 】KINGBOLEN Brake Fluid Tester has nickel plated metal probe, which is oil-proof and oxidation-proof, with good condition and high precision.

-10%
#6
Aicevoos NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid

9.1

Aicevoos

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Main highlights

WIDE RANGE OF APPLICATIONS: The automotive brake fluid tester is a universal device for most vehicles. It can check the condition of DOT-3, DOT-4, DOT-5.1 brake fluids as well as most synthetic brake fluids. It is extremely easy for personal use and is widely used for private workshops, repair shops and car dealerships.

EASY TO USE: The test procedure is fast and efficient and has a simple control panel. The backlight lights green at 0%-2% data (brake fluid is ready to use). At 2%-3%, the backlight turns yellow and the buzzer sounds slowly (brake fluid needs to be changed). The backlight is red and the buzzer sounds quickly when the data is greater than 3% (brake fluid needs to be changed immediately).

EASY READING: high-sensitivity probe + audible alarm, instant display of results, large screen with three-color backlight, easy to read the measurement results whether day or night.
#7
LINXINO Brake Fluid Tester,AS502 Automotive Brake Oil Tester, Car Brake Fluid Detector, Multiple Brake Fluid Compatibility

9.0

LINXINO

-17%

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Main highlights

【Widely Application】AS502 Automotive Brake Fluid Detector is suitable for most vehicles. It can check the health status of DOT-3, DOT-4, DOT-5.1 brake fluid and most synthetic brake fluids. AS502 Brake Fluid Tester offers two detection modes to choose,normal modes and expert modes.

【Precision test and Highly sensitive probe】LINXINO Brake Fluid Tester is equipped with a highly sensitive sensor and a 260mm foldable hose, which can quickly and accurately detect DOT-3, DOT-4, DOT-5.1 brake fluid and receive the result in seconds. The foldable probe can rotate 180 degree,you can choose any angle to testing.

【High definition backlit display】About AS502 Brake Fluid Moisture Analyzer,the 2.8-inch LCD screen with a backlit design,which provides users with a clearer display,regardless of strong light or dark night,making your work more efficient and effortless.In addition, if the brake fluid contains too much water, the buzzer will alarm to remind you to change the brake fluid.

-17%
#8
KHTD Brake Fluid Tester, Brake Fluid Liquid Testing Pen with 5 LED Lights, Auto Brake Diagnostic Testing Tool,Compatible with DOT3 DOT4 Brake Fluid

8.9

KHTD

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Main highlights

EASY TO READ:You can get results in seconds, With the percentage readings next to the LED lights on the brake fluid testing pen, you can simply read the result of water content in your brake fluid. When multiple LED lights are on, the maximum readings shall be the result of the brake fluid testing.

CONVENIENT TOOL: This brake fluid tester pen design is quite small size,easy to carry with.It's a very convenient tool to test the moisture of brake fluid for your auto brake. Easy to use ,simply press the button at the top, dip the probe the Testing the water content of the brake fluid dot 3, dot 4 etc.

BRAKE FLUID TESTING TYPE: The dot 3 brake fluid tester pen can also be used for testing the fluids of DOT4, DOT5.1, ENV6 & ENV4. Compatible with the most of automotive brake fluid,Very practical tool for brake fluid testing
#9
HT662 Brake Fluid Liquid Tester Pen DOT3 DOT4 DOT5.1 Automotive Brake Fluid Content Detector Auto Vehicle Brake Diagnostic Testing Tool

8.6

Walfront

-13%

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Main highlights

TECHNICAL PARAMETERS: Detection range from 0%~4%, error is ±0.3%, detection type contain DOT3, DOT4, DOT5.1

SCRATCH RESISTANT : Using excellent material, possess impact resistance, scratch resistance, environmentally friendly

QUICK DISTINGUISH: The water content is 0%‑4% representing no water and the amount of water content in turn, so that car owners can quickly understand whether the water content of the brake fluid is qualified.

-13%
#10
Car Spark Tester Kit with 12V Battery Tester, Steel Feeler Gauge, Brake Fluid Liquid Tester, Automotive Engine Test Tools Set

8.3

POVTIMS

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Main highlights

POVTIMS Spark Tester Kit - Includes 1*Inline Spark Tester, 1*12V Car Battery Tester, 1*Steel Feeler Gauge with 32 Blades, 1 Set*Jet Cleaning Brushes, 1*Brake Fluid Liquid Tester, 1*Ignition Coil Plug Remover, 3*Wheel Lug Cap Cover Removal Tool Set, 1*Tire Wheel Measure Tool and 1*EVA Storage Bag.

Multi Functions - Suitable for the diagnosis of engines with spark plugs, which can quickly and easily diagnose external ignition problems in the engine and problems with detecting faults in the fuel delivery system. Car Battery Tester - 12V Battery Tester is the most convenient way to analyze the status of the battery.

Inline Spark Plug Tester - It can be used to quickly diagnose ignition or outboard motor problems and failure problems in fuel delivery systems. It can help find problems such as dirty spark plugs, defective spots, poor cables, or connections. POVTIMS spark tester is an essential diagnostic tool for engines with spark plugs.

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car brake liquid testers

Phoenix Systems 8006-B Double-Ended Brake Fluid + Coolant Test Strips (15 foil wrapped test strips), 1 Pack

9.8

Main highlights

QUNNIE Car Vacuum Pump Tester, Hand Brake Liquid Suction Tool, 0~30 inHg 0~760 mmHg (kPa) can Easily Empty Car Brake, Car and Motorcycle.

9.7

Main highlights

ITEQ Brake Fluid Liquid Tester Pen with 5 LED Indicators, Calibrated For DOT3 DOT4 Brake Fluid

9.5

Why we love it

Main highlights

KAIWEETS Brake Fluid Tester Pen with Corrosion Resistance Probe, High-Precision Brake Fluid Moisture Tester with Data Hold Function, Buzzer Alarm, 3 Colors Backlight, Calibrated for DOT3, DOT4, DOT5.1

9.4

Why we love it

Main highlights

Brake Fluid Tester, Auto Brake Diagnostic Testing Tool, Hydraulic Fluid/Liquid/Oil Moisture Analyzer with 9 LED Indicators for DOT3/DOT4/DOT5.1 Brake Fluid(BF100)

9.2

Main highlights

Aicevoos NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid

9.1

Main highlights

LINXINO Brake Fluid Tester,AS502 Automotive Brake Oil Tester, Car Brake Fluid Detector, Multiple Brake Fluid Compatibility

9.0

Main highlights

KHTD Brake Fluid Tester, Brake Fluid Liquid Testing Pen with 5 LED Lights, Auto Brake Diagnostic Testing Tool,Compatible with DOT3 DOT4 Brake Fluid

8.9

Main highlights

HT662 Brake Fluid Liquid Tester Pen DOT3 DOT4 DOT5.1 Automotive Brake Fluid Content Detector Auto Vehicle Brake Diagnostic Testing Tool

8.6

Main highlights

Car Spark Tester Kit with 12V Battery Tester, Steel Feeler Gauge, Brake Fluid Liquid Tester, Automotive Engine Test Tools Set

8.3

Main highlights

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