---
product_id: 554613193
title: "Brake Fluid Liquid Tester Pen,2PCS DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Car Diagnostic Testing Tool with 5 LED Indicators, Hydraulic Fluid Liquid Oil Moisture Analyzer"
brand: "yogeier"
price: "₪68"
currency: ILS
in_stock: true
reviews_count: 8
url: https://www.desertcart.co.il/products/554613193-brake-fluid-liquid-tester-pen-2pcs-dot-3-dot-4
store_origin: IL
region: Israel
---

# compact & lightweight for on-the-go 5 LED moisture indicators nickel-plated corrosion-resistant probe Brake Fluid Liquid Tester Pen,2PCS DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Car Diagnostic Testing Tool with 5 LED Indicators, Hydraulic Fluid Liquid Oil Moisture Analyzer

**Brand:** yogeier
**Price:** ₪68
**Availability:** ✅ In Stock

## Summary

> 🚗 Stay ahead of brake failure—test smarter, drive safer!

## Quick Answers

- **What is this?** Brake Fluid Liquid Tester Pen,2PCS DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Car Diagnostic Testing Tool with 5 LED Indicators, Hydraulic Fluid Liquid Oil Moisture Analyzer by yogeier
- **How much does it cost?** ₪68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/554613193-brake-fluid-liquid-tester-pen-2pcs-dot-3-dot-4)

## Best For

- yogeier enthusiasts

## Why This Product

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

## Key Features

- • **Durable Metal Probe:** Nickel-plated, oil-resistant probe guarantees long-lasting accuracy without corrosion.
- • **Power-Saving Auto-Off:** Smart auto shut-off after 20 seconds preserves battery life, so it’s ready when you are.
- • **Universal Compatibility:** Works seamlessly with DOT 3, DOT 4, and DOT 5.1 brake fluids—perfect for pros and DIYers alike.
- • **Ergonomic Anti-Slip Design:** Matte black shell offers superior grip and premium tactile feel for confident testing every time.
- • **Instant Brake Fluid Health Check:** 5 precision LED indicators reveal moisture levels in seconds, ensuring your safety on the road.

## Overview

The YOGEIER Brake Fluid Liquid Tester Pen is a compact, professional-grade diagnostic tool featuring a corrosion-resistant nickel-plated probe and 5 LED indicators that precisely measure moisture content in DOT 3, DOT 4, and DOT 5.1 brake fluids. Designed for quick, accurate readings with an ergonomic anti-slip shell and automatic power-off, it empowers millennial managers and car enthusiasts to maintain optimal brake performance and avoid costly accidents.

## Description

Product Name:2PCS Brake fluid test penThe probe of the brake fluid test pen is made of high quality metal material to prevent oil and oxidation; the shell is made of black matte plastic for better slip resistance and overall excellent feeling.This product can quickly detect the health of your car's brake fluid and remind you to replace it when necessary, thus avoiding traffic accidents and making you more comfortable and safer.Features:1. Easy to use, small size, easy to carry.2. Metal probe: oil and oxidation resistant, not easy to corrode.3. Shell: better anti-slip, good texture of the body.4. 5 LED indicators show the percentage of water in the brake fluid.The 5 LED indicators will show the percentage of water in the brake fluid in green, yellow and red colors. It clearly shows the level of water contained through the light emitting diodes. A high water content will result in a lower boiling point and affect braking performance. Red indicates that the brake fluid needs to be replaced immediately, green indicates a good condition, and yellow indicates an acceptable condition but will be replaced soon.1. Green LED=water content in brake fluid H2O<1.5%, brake fluid is qualified.2. yellow LED=water content in brake fluid H2O=1.5% to 3%, can continue to use and test again after six months.3. red LED = water content in brake fluid H2O>3%, can not continue to use, need to replace the brake fluid red LED: replace the brake fluid.

## Features

- High quality: This brake fluid tester is made of nickel-plated metal probe, which is resistant to oil and oxidation and not easy to corrode. The shell is black matte plastic, better anti-slip and good body texture. The change of conductivity can be used to determine the change of moisture in the brake fluid.
- Safe driving: This brake fluid tester comes with 5 LED indicators to show the percentage of moisture in the brake fluid. This product can quickly detect the health of the car's brake fluid, provide you with more accurate test results, and remind you to replace the brake fluid when necessary to avoid traffic accidents.
- Convenient and quick: This brake fluid tester is easy to use, press the button, insert the test pen, the indicator is accurate to 1%, and you can receive the result in seconds. To save electricity, the test pen will automatically turn off the power after 20 seconds each use to save power.
- Scope of application: This brake fluid tester is suitable for testing the moisture content in DOT-3, DOT-4, DOT-5.1 brake fluid. It is also very convenient for personal use and this product is widely used in personal workshops, repair shops and dealer workshops.
- Easy to carry: No cable connector design, small size, light weight, easy to carry and use. If you encounter any problem when using this product, please contact us and we will try our best to solve it for you.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | YOGEIER |
| Brand | YOGEIER |
| Item Weight | 1.76 ounces |
| Package Dimensions | 6.5 x 1.57 x 0.79 inches |
| Manufacturer Part Number | YG8ANR |

## Images

![Brake Fluid Liquid Tester Pen,2PCS DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Car Diagnostic Testing Tool with 5 LED Indicators, Hydraulic Fluid Liquid Oil Moisture Analyzer - Image 1](https://m.media-amazon.com/images/I/615MYTLwefL.jpg)
![Brake Fluid Liquid Tester Pen,2PCS DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Car Diagnostic Testing Tool with 5 LED Indicators, Hydraulic Fluid Liquid Oil Moisture Analyzer - Image 2](https://m.media-amazon.com/images/I/71fLOeebwnL.jpg)
![Brake Fluid Liquid Tester Pen,2PCS DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Car Diagnostic Testing Tool with 5 LED Indicators, Hydraulic Fluid Liquid Oil Moisture Analyzer - Image 3](https://m.media-amazon.com/images/I/616ofQGuwXL.jpg)
![Brake Fluid Liquid Tester Pen,2PCS DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Car Diagnostic Testing Tool with 5 LED Indicators, Hydraulic Fluid Liquid Oil Moisture Analyzer - Image 4](https://m.media-amazon.com/images/I/61BmKqbUSBL.jpg)
![Brake Fluid Liquid Tester Pen,2PCS DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Car Diagnostic Testing Tool with 5 LED Indicators, Hydraulic Fluid Liquid Oil Moisture Analyzer - Image 5](https://m.media-amazon.com/images/I/71gvd4ee0sL.jpg)

## Available Options

This product comes in different **Item Package Quantity** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great tool
*by D***S on March 11, 2025*

Works as described. It shows as to whether the brake fluid has been corroded and needs to be replaced.

### ⭐⭐⭐⭐⭐ Works great
*by S***D on April 5, 2025*

Works great. Tested it against actual water and brake fluid and did what it's supposed to. Others might say there's didn't work or whatever but it's a numbers game, there will be bad ones sometimes, but just send it back and get another

### ⭐⭐⭐⭐ Seems to work fine.
*by M***N on November 8, 2024*

I recently purchased the Brake Fluid Liquid Tester, but unfortunately, I wasn't able to verify its accuracy. My brake fluid is over 5 years old, and I was expecting the tester to show some deficiencies or contamination, but it didn't indicate any issues. While the tester works as expected in terms of functionality, I couldn't confirm its effectiveness in detecting brake fluid problems. I gave it 4 out of 5 stars mainly for its manufacturing quality—though it's not particularly solid or durable, it still feels reasonably well-made for the price. Overall, it's an easy-to-use tool, but without being able to verify its accuracy, I'm left uncertain about its reliability in detecting brake fluid issues.

## Frequently Bought Together

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-02-21*