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🚗 Don’t brake your streak—test like a pro in seconds!
The Kingbolen BF200 is a high-precision brake fluid tester designed for quick and accurate detection of moisture in DOT3, DOT4, and DOT5.1 brake fluids. Featuring a flexible gooseneck probe with built-in flashlight, a large backlit LCD screen, and an audible alarm, it delivers instant results in just 5 seconds. Its ergonomic, corrosion-resistant ABS body ensures durability and ease of use, making it an essential tool for automotive professionals and enthusiasts committed to safety and performance.










| ASIN | B08PFCLZSV |
| Best Sellers Rank | #61,738 in Automotive ( See Top 100 in Automotive ) #6 in Automotive Replacement Brake Fluid Level Sensors |
| Brand | KINGBOLEN |
| Brand Name | KINGBOLEN |
| Customer Reviews | 4.4 out of 5 stars 582 Reviews |
| Item Dimensions | 10 x 2 x 2.7 inches |
| Item Highlight | Hydraulic Fluid/Liquid/Oil Moisture Analyzer with LCD Screen Audible Alarm Flashlight,DOT3/DOT4/DOT5.1 Tester for Automotive |
| Item Weight | 150 g |
| Item dimensions L x W x H | 10 x 2 x 2.7 inches |
| Manufacturer | KINGBOLEN |
| Material | Acrylonitrile Butadiene Styrene |
| Material Type | Acrylonitrile Butadiene Styrene |
| Maximum Supply Voltage | 3 volts_of_direct_current |
| Measuring Range | DOT3, DOT4, DOT5.1 |
| Model | BF200 |
| Mounting Type | Flange Mount |
| Output Type | Digital |
| Part Number | KINGBOLEN-001 |
| Response Time | 5 seconds |
| Sensing Distance | 0.1 millimeters |
| Specific Uses For Product | automotive, vehicle maintenance |
| Style | Automotive Replacement Brake Fluid Level Sensors |
| Style Name | Automotive Replacement Brake Fluid Level Sensors |
| UPC | 724190799116 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 60 °C |
| Warranty Description | 1 month warranty |
L**S
Yes buy this one! It actually works.
OK, obviously I bought a defective (ITEQ) one first. With the new (Iteq) every car and even brand new bottles of brake fluid that I purchased were no good. A buddy of mine and myself were doing brake fluid flushes on our vehicles. We started by first testing what was in our vehicles and seeing that they were bad and then buying new brake fluid and changing it. After we had already done four vehicles just for the heck of it, we decided to check the new brake fluid. In hindsight, we should've done that after the first vehicle. Come to find out even the brand new brake fluid on every vehicle. We did was apparently bad. After sending brake fluid back throwing some brake fluid out we did the smart thing. Finally, we got a different brake fluid tester. This Kingbolen BF200 And wouldn't you know it, there was nothing wrong with the new brake fluid it was our IDEQ tester. Never again will I just assume especially after the hours we spent. It made a fairly simple job. Much more difficult and far more time-consuming. The Kingbolen is the one you want.
M**Y
Good tool to have.
Simple, straight forward. Works as intended. Makes checking the fluid in the car or on the shelf a no brainer.
C**Y
Works on standard fluid
I bought this to test the racing brake fluid in my vehicle and it does not register any racing brake fluid. I have tried DOT 3 and 4 non-racing fluid and it detects the moisture just fine but when I dip it into the racing variety of the fluid, it reads nothing and acts like it does not detect it. Something to keep in mind if you’re using this for Performance capacities.
T**M
Seems to work good
Just got it today. Tested 2 vehicles. Seems to be pretty accurate so far. Always keep fresh "aaa" batteries in the tool.
D**S
Great product at good price. Everyone should have one
Great product bought to keep repair shops honest - it worked and saved an unnecessary brake fluid change I knew intuitively wasn’t needed.
T**G
Easy and accurate
Installed a AAA battery, dropped it in the brake fluid reservoir, read less than 2% water, Done. Easy peasy. Digital readout is clear and menu buttons are simple.
C**R
Cheap meter, not sure if it is accurate or not
Not sure how accurate this is. How would I verify? It is not certified by any meaningful authority. I have a 2019 car with the original dot 4 fluid, that tests out "A-OK" with this meter. After 6 years, I have my doubts that the fluid is still good. OTOH if I stick it in tap water, it reads "not ok". I think if I did it over, I would spend more money for something I can trust.
A**H
Good tool
Works good and battery still works after months
D**E
Easy to use, clear result.
Works good.
R**.
Buen producto
Producto bueno bonito y barato ya lo he probado con diferentes autos y si te da un referente de el desgaste en el liquido de frenos
1**I
جهاز لايعمل
جهاز جميع نتائجه خاطئه. ولم يقم بارسال المندوب لاستلام المنتج بعد ان قمت باسترجاعه
C**R
Excelente Probador de líquido de frenos
Lo he probado poco y funciona muy bien, no se requiere un manual
M**F
Works great for checking condition of oil or if it needs replacing
Great for checking brake fluid in containers that have just laying around in storage.
Trustpilot
3 weeks ago
2 months ago