---
product_id: 38575368
title: "Brake Fluid Tester 5 LED Car Vehicle Auto Automotive Testing Tool for DOT3/DOT4 without battery"
brand: "cardiag tech"
price: "฿987"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/38575368-brake-fluid-tester-5-led-car-vehicle-auto-automotive-testing
store_origin: TH
region: Thailand
---

# Brake Fluid Tester 5 LED Car Vehicle Auto Automotive Testing Tool for DOT3/DOT4 without battery

**Brand:** cardiag tech
**Price:** ฿987
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Brake Fluid Tester 5 LED Car Vehicle Auto Automotive Testing Tool for DOT3/DOT4 without battery by cardiag tech
- **How much does it cost?** ฿987 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/38575368-brake-fluid-tester-5-led-car-vehicle-auto-automotive-testing)

## Best For

- cardiag tech enthusiasts

## Why This Product

- Trusted cardiag tech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Brake Fluid Tester To Check Fluid Quality:  Press the button for power on, green LED will light up.  Insert the tester into reservoir for a second , then the results will be indicated correctly by LEDs.  Auto power off .  Indications:  Green: Battery OK, i.e.: No Water Contained in the Brake Fluid Yellow: Less than 1% of Water Content in Brake Fluid Yellow/Yellow: Approximately 2% of Water Content in Brake Fluid Yellow/Yellow/Red: Approximately 3% of Water Content in Brake Fluid;  The Brake Fluid Should be Changed Yellow/Yellow/Red/Red: at least 4% of Water Content in Brake Fluid;  The Brake Fluid Must be Changed Urgently, Extreme Danger .

## Features

- Measurement range: brake fluid
- Power supply: 1.5V "AAA" x 1
- 5 LEDs indicating the water % in the brake fluid
- Calibrated for DOT3 DOT4 fluid

## Images

![Brake Fluid Tester 5 LED Car Vehicle Auto Automotive Testing Tool for DOT3/DOT4 without battery - Image 1](https://images-na.ssl-images-amazon.com/images/I/41J4qdI4SnL.jpg)
![Brake Fluid Tester 5 LED Car Vehicle Auto Automotive Testing Tool for DOT3/DOT4 without battery - Image 2](https://images-na.ssl-images-amazon.com/images/I/41fzx8vccIL.jpg)
![Brake Fluid Tester 5 LED Car Vehicle Auto Automotive Testing Tool for DOT3/DOT4 without battery - Image 3](https://images-na.ssl-images-amazon.com/images/I/41glCrddFPL.jpg)
![Brake Fluid Tester 5 LED Car Vehicle Auto Automotive Testing Tool for DOT3/DOT4 without battery - Image 4](https://images-na.ssl-images-amazon.com/images/I/410znBM0wdL.jpg)

---

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**Shop now:** [https://www.desertcart.co.th/products/38575368-brake-fluid-tester-5-led-car-vehicle-auto-automotive-testing](https://www.desertcart.co.th/products/38575368-brake-fluid-tester-5-led-car-vehicle-auto-automotive-testing)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-22*