---
product_id: 427763156
title: "Universal Brake Fluid Oil Test Pen"
brand: "zktool"
price: "3167 kr"
currency: ISK
in_stock: true
reviews_count: 13
category: "Zktool"
url: https://www.desertcart.is/products/427763156-universal-brake-fluid-oil-test-pen
store_origin: IS
region: Iceland
---

# AAA battery powered 5 LED indicators 12s auto shut-off Universal Brake Fluid Oil Test Pen

**Brand:** zktool
**Price:** 3167 kr
**Availability:** ✅ In Stock

## Summary

> 🚗 Stay Safe on the Road with Precision Testing!

## Quick Answers

- **What is this?** Universal Brake Fluid Oil Test Pen by zktool
- **How much does it cost?** 3167 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/427763156-universal-brake-fluid-oil-test-pen)

## 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

- • **Durable Build:** Crafted from high-quality nylon, ensuring longevity and resistance to corrosion for reliable performance.
- • **Expert Support:** ZKTOOL stands behind its products with dedicated customer service to assist you with any inquiries.
- • **Precision Testing:** Experience rapid and accurate moisture detection for DOT3, DOT4, DOT5, ENV6, and ENV4 brake fluids.
- • **Smart LED Feedback:** Five vibrant LED lights provide instant visual feedback on fluid quality—green for good, yellow for caution, red for replace.
- • **User-Friendly Design:** Compact and lightweight, this tester is your go-to tool for on-the-spot brake fluid analysis.

## Overview

The ZKTOOL Upgraded Version Automotive Brake Fluid Tester Pen is a versatile 5-in-1 detector designed to accurately measure moisture levels in various brake fluids, including DOT3, DOT4, DOT5, ENV6, and ENV4. With its user-friendly design, smart LED indicators, and durable construction, this essential tool ensures your vehicle's braking system remains in optimal condition.

## 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

![Universal Brake Fluid Oil Test Pen - Image 1](https://m.media-amazon.com/images/I/61MXKrFAm6L.jpg)
![Universal Brake Fluid Oil Test Pen - Image 2](https://m.media-amazon.com/images/I/61PloQBV9dL.jpg)
![Universal Brake Fluid Oil Test Pen - Image 3](https://m.media-amazon.com/images/I/719JNaCoCiL.jpg)
![Universal Brake Fluid Oil Test Pen - Image 4](https://m.media-amazon.com/images/I/71Au5yFTf6L.jpg)
![Universal Brake Fluid Oil Test Pen - Image 5](https://m.media-amazon.com/images/I/71Y8qUhYiwL.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

## Frequently Bought Together

- 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
- Sealey Ak4120 Ethylene Glycol Antifreeze Tester Disc Type
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**Shop now:** [https://www.desertcart.is/products/427763156-universal-brake-fluid-oil-test-pen](https://www.desertcart.is/products/427763156-universal-brake-fluid-oil-test-pen)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-23*