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🚗 Stay ahead of brake failure—test smarter, drive safer!
The AUTOOL AS502 Brake Fluid Tester offers rapid, precise moisture detection for DOT3, DOT4, and DOT5.1 brake fluids with a professional-grade sensor and foldable stainless steel probe. Featuring a bright 2.8-inch backlit display and audible alarms, it empowers both DIYers and mechanics to maintain brake fluid health effortlessly. Backed by a 3-year warranty and lifetime support, it’s the essential tool for proactive vehicle safety.











| ASIN | B0CDLC1HJ2 |
| Best Sellers Rank | #169,100 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #35 in Brake Fluids |
| Brand | AUTOOL |
| Brand Name | AUTOOL |
| Country of Origin | China |
| Customer Reviews | 4.1 out of 5 stars 28 Reviews |
| Included Components | coiled hose |
| Item Dimensions | 28 x 17 x 7 Centimeters |
| Item Weight | 0.8 Pounds |
| Item dimensions L x W x H | 28 x 17 x 7 Centimeters |
| Manufacturer | AUTOOL |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Maximum Supply Voltage | 6 Volts |
| Model Number | AS502 |
| Mounting Type | Flange Mount |
| Output Type | digital |
| Part Number | AS502 |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specific Uses For Product | automotive, brake fluid testing |
| Style | Modern |
| Style Name | Modern |
| Unit Count | 1 Count |
| Upper Temperature Rating | 60 Degrees Celsius |
N**Z
Probador de fluido
Exelente
P**O
LO RECOMIENDO
Excelente producto lo recomiendo
D**Y
Great price !!!
Bought this for my BMW, VW, Dodge. this does all the different Fluid.
M**G
Doesn’t work
Product doesn’t actually work. Tested the brake fluid dot 3 in my car, it read 4%. Tested the fluid in my other car also dot 3, it read 4%. Tested a brand new bottle of dot 3, it read 4%. Tested a cup of water, it read 4%.
A**I
Easy to understand
Fast delivery. Easy to use
Trustpilot
2 days ago
2 months ago