---
product_id: 610702990
title: "Brake Fluid Liquid Tester Pen, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid"
brand: "aicevoos"
price: "$65.21"
currency: USD
in_stock: true
category: "Aicevoos"
url: https://www.desertcart.us/products/610702990-brake-fluid-liquid-tester-pen-calibrated-for-dot3-dot4-dot
store_origin: US
region: United States of America
---

# Instant brake fluid condition readout Lightweight & portable (80g) Universal DOT3/4/5.1 compatibility Brake Fluid Liquid Tester Pen, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid

**Brand:** aicevoos
**Price:** $65.21
**Availability:** ✅ In Stock

## Summary

> 🛑 Don’t brake your streak—test your brake fluid like a pro!

## Quick Answers

- **What is this?** Brake Fluid Liquid Tester Pen, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid by aicevoos
- **How much does it cost?** $65.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/610702990-brake-fluid-liquid-tester-pen-calibrated-for-dot3-dot4-dot)

## Best For

- aicevoos enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Portable:** Lightweight 80g design fits in your glove box or toolkit for on-the-go diagnostics.
- • **No Batteries Needed:** Ready to use anytime without the hassle of power sources—just test and go.
- • **Instant Safety Check:** Get real-time, accurate brake fluid condition results to avoid costly repairs and stay road-safe.
- • **Universal Fluid Compatibility:** Effortlessly tests DOT3, DOT4, DOT5.1 & synthetic brake fluids for all your vehicles.
- • **Professional Grade Reliability:** Trusted by workshops, dealerships, and DIY pros for precise brake fluid health monitoring.

## Overview

The Aicevoos Brake Fluid Liquid Tester Pen is a lightweight, battery-free diagnostic tool designed for quick and accurate testing of DOT3, DOT4, DOT5.1, and synthetic brake fluids. Widely used by professionals and DIYers alike, it ensures your vehicle’s braking system stays safe and efficient with instant results.

## Description

The automotive brake fluid tester is a universal device for most vehicles. It can check the condition of DOT-3, DOT-4, DOT-5.1 brake fluids as well as most synthetic brake fluids. It is extremely easy for personal use and is widely used for private workshops, repair shops and car dealerships.

## Features

- WIDE RANGE OF APPLICATIONS: The automotive brake fluid tester is a universal device for most vehicles. It can check the condition of DOT-3, DOT-4, DOT-5.1 brake fluids as well as most synthetic brake fluids. It is extremely easy for personal use and is widely used for private workshops, repair shops and car dealerships.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C1SFRRGB |
| Are batteries included? | No |
| Best Sellers Rank | #117,560 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #39 in Hydraulic Oils |
| Brand | Aicevoos |
| Country of Origin | USA |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,248) |
| Date First Available | 1 May 2023 |
| Item Weight | 80 g |
| Item part number | AS-NF |
| Manufacturer | Aicevoos |
| Number of Memory Sticks | 1 |
| Package Dimensions | 18.6 x 4.6 x 2.9 cm; 80 g |

## Images

![Brake Fluid Liquid Tester Pen, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid - Image 1](https://m.media-amazon.com/images/I/31aimpAcjhL.jpg)
![Brake Fluid Liquid Tester Pen, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid - Image 2](https://m.media-amazon.com/images/I/51jAIdAMFTL.jpg)
![Brake Fluid Liquid Tester Pen, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid - Image 3](https://m.media-amazon.com/images/I/41wz+o54RlL.jpg)
![Brake Fluid Liquid Tester Pen, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid - Image 4](https://m.media-amazon.com/images/I/51Op3VwDjeL.jpg)
![Brake Fluid Liquid Tester Pen, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid - Image 5](https://m.media-amazon.com/images/I/41FK1BkWZyL.jpg)

---

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**Shop now:** [https://www.desertcart.us/products/610702990-brake-fluid-liquid-tester-pen-calibrated-for-dot3-dot4-dot](https://www.desertcart.us/products/610702990-brake-fluid-liquid-tester-pen-calibrated-for-dot3-dot4-dot)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-29*