---
product_id: 427763156
title: "ZKTOOL Upgraded Version Automotive Brake Fluid Tester Pen, 5 in 1 Detector, Can Test DOT3 DOT4 DOT5 ENV6 ENV4, 5 LED, Universal Brake Fluid Oil Detection Pen, Brake Fluid Moisture Analyzer"
brand: "zktool"
price: "₨385"
currency: SCR
in_stock: true
reviews_count: 13
category: "Zktool"
url: https://www.desertcart.sc/products/427763156-zktool-upgraded-version-automotive-brake-fluid-tester-pen-5-in
store_origin: SC
region: Seychelles
---

# 5-level moisture detection Auto power-off in 12s Universal DOT3-DOT5 testing ZKTOOL Upgraded Version Automotive Brake Fluid Tester Pen, 5 in 1 Detector, Can Test DOT3 DOT4 DOT5 ENV6 ENV4, 5 LED, Universal Brake Fluid Oil Detection Pen, Brake Fluid Moisture Analyzer

**Brand:** zktool
**Price:** ₨385
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** ZKTOOL Upgraded Version Automotive Brake Fluid Tester Pen, 5 in 1 Detector, Can Test DOT3 DOT4 DOT5 ENV6 ENV4, 5 LED, Universal Brake Fluid Oil Detection Pen, Brake Fluid Moisture Analyzer by zktool
- **How much does it cost?** ₨385 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/427763156-zktool-upgraded-version-automotive-brake-fluid-tester-pen-5-in)

## Best For

- zktool enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Power-Smart:** Lightweight, pocket-sized design with automatic 12-second shutoff conserves battery life—ready whenever you are.
- • **Rapid & Reliable Results:** Get accurate moisture analysis in seconds, faster than competitors, so you never miss a critical maintenance window.
- • **Precision Moisture Insight:** 5 LED indicators deliver instant, color-coded water content readings for your brake fluid—know exactly when to act.
- • **Durable Build for Longevity:** Crafted from high-quality nylon for superior corrosion resistance and extended service life—invest once, test forever.
- • **Universal Fluid Compatibility:** Seamlessly tests DOT3, DOT4, DOT5, ENV4, and ENV6 brake fluids—one tool for every vehicle in your fleet.

## Overview

The ZKTOOL Upgraded Brake Fluid Tester Pen is a compact, 5-in-1 diagnostic tool designed for professional-grade moisture detection across all major brake fluid types (DOT3, DOT4, DOT5, ENV4, ENV6). Featuring 5 LED indicators for precise water content measurement, rapid results, and an energy-saving auto shutoff, it combines durability with universal compatibility to empower proactive vehicle maintenance and enhance driving safety.

## Description

Buy ZKTOOL Upgraded Version Automotive Brake Fluid Tester Pen, 5 in 1 Detector, Can Test DOT3 DOT4 DOT5 ENV6 ENV4, 5 LED, Universal Brake Fluid Oil Detection Pen, Brake Fluid Moisture Analyzer at desertcart UK. Free delivery on eligible orders.

Review: Check your brake fluid - It works well it's a handy tool to have. You don't know what the condition of your brake fluid with out some form of tester. It works well
Review: Simple and cost effective - Appears to do the job it’s supposed to, simply and quickly. However, without comparing the results with another tester no way to confirm the accuracy. If the results are accurate will pay for itself easily by extending the period before replacing the brake fluid

## Features

- 【Function】 The upgrade version brake fluid tester moisture gauge can test the moisture content of DOT3 DOT4 DOT5 ENV6 ENV4 brake fluid extensively. It has faster and more accurate reading capabilities than similar products, while at the same time being more extensive.
- 【LED Lights】 The five LED lights indicate the proportion of water in the brake fluid in three colors: green, yellow, and red. Easily figure out the percentage of water in your brake fluid and consider whether to replace it. Please see the specific instructions below.
- 【Convenience】 The brake fluid tester tool is simple and convenient. It only takes a few seconds to check the quality of the car's brake fluid. It is a must-have item because it is small and easy to carry. It also automatically shuts down if not used within 12 seconds, saving battery power. (Requires 1 x AAA / 1.5V battery, not included)
- 【Quality】 The new Brake Fluid Liquid Tester Pen is the perfect tool to update after many researches on similar products on the market. Read more accurately during the test. At the same time, its shell material is made of high quality nylon compared to ABS material. The product is more corrosion resistant and has a longer service life.
- 【Service】 ZKTOOL aims to provide professional and comprehensive auto repair tools and services in the auto repair industry. If you have any questions, please contact us via email. We will provide the best solution.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09L6NYDR8 |
| Best Sellers Rank | 3,708 in Automotive ( See Top 100 in Automotive ) 17 in Brake Tools |
| Brand | ZKTOOL |
| Customer Reviews | 4.4 4.4 out of 5 stars (648) |
| Date First Available | 7 Nov. 2021 |
| Item Weight | 50 g |
| Item model number | DOT3 DOT4 DOT5 ENV6 ENV4 |
| Manufacturer | ZKTOOL |
| Manufacturer part number | ZKEU007 |
| Model | DOT3 DOT4 DOT5 ENV6 ENV4 |
| OEM Part Number | DOT3, DOT4, DOT5, ENV4, ENV6 |
| Package Dimensions | 24.9 x 7.8 x 2.4 cm; 50 g |
| Special Features | Universal |

## Images

![ZKTOOL Upgraded Version Automotive Brake Fluid Tester Pen, 5 in 1 Detector, Can Test DOT3 DOT4 DOT5 ENV6 ENV4, 5 LED, Universal Brake Fluid Oil Detection Pen, Brake Fluid Moisture Analyzer - Image 1](https://m.media-amazon.com/images/I/61PloQBV9dL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Check your brake fluid
*by E***E on 20 June 2025*

It works well it's a handy tool to have. You don't know what the condition of your brake fluid with out some form of tester. It works well

### ⭐⭐⭐⭐ Simple and cost effective
*by D***7 on 1 October 2025*

Appears to do the job it’s supposed to, simply and quickly. However, without comparing the results with another tester no way to confirm the accuracy. If the results are accurate will pay for itself easily by extending the period before replacing the brake fluid

### ⭐⭐⭐⭐⭐ Good product
*by J***E on 31 October 2025*

Perfect

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- ZKTOOL Upgraded Version Automotive Brake Fluid Tester Pen, 5 in 1 Detector, Can Test DOT3 DOT4 DOT5 ENV6 ENV4, 5 LED, Universal Brake Fluid Oil Detection Pen, Brake Fluid Moisture Analyzer
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**Shop now:** [https://www.desertcart.sc/products/427763156-zktool-upgraded-version-automotive-brake-fluid-tester-pen-5-in](https://www.desertcart.sc/products/427763156-zktool-upgraded-version-automotive-brake-fluid-tester-pen-5-in)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-15*