---
product_id: 392458828
title: "Performance Tool W181 Brake Fluid Moisture Tester - 5 LED Readout, Calibrated for DOT 4, Portable with AAA Battery Included, Not for use on DOT 5"
brand: "performance tool"
price: "$1206"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/392458828-performance-tool-w181-brake-fluid-moisture-tester-5-led-readout
store_origin: MX
region: Mexico
---

# 5-level moisture detection Battery included, ready to use Calibrated precision for DOT 4 Performance Tool W181 Brake Fluid Moisture Tester - 5 LED Readout, Calibrated for DOT 4, Portable with AAA Battery Included, Not for use on DOT 5

**Brand:** performance tool
**Price:** $1206
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Performance Tool W181 Brake Fluid Moisture Tester - 5 LED Readout, Calibrated for DOT 4, Portable with AAA Battery Included, Not for use on DOT 5 by performance tool
- **How much does it cost?** $1206 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/392458828-performance-tool-w181-brake-fluid-moisture-tester-5-led-readout)

## Best For

- performance tool enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Power:** Comes with AAA battery included so you can start testing immediately, no extra purchases needed.
- • **Instant Moisture Insight:** 5 LED readout delivers clear, quantifiable moisture levels for your brake fluid—no guesswork.
- • **Compact & Portable Design:** Lightweight and machined exterior fits easily in your glove box or tool kit for on-the-go diagnostics.
- • **Versatile Fluid Compatibility:** Also provides reliable estimates for DOT 3 brake fluid, expanding your maintenance toolkit.
- • **Precision-Calibrated for Safety:** Specifically tuned for DOT 4 brake fluid to guarantee accurate, reliable readings every time.

## Overview

The Performance Tool W181 Brake Fluid Moisture Tester is a compact, precision-calibrated device designed to measure moisture levels in DOT 4 brake fluid with a clear 5 LED readout. Battery included for immediate use, it also supports DOT 3 fluid estimates, empowering professionals and enthusiasts to maintain optimal brake safety effortlessly.

## Description

Performance Tool W181 Brake Fluid Moisture Tester - 5 LED Readout, Calibrated for DOT 4, Portable with AAA Battery Included, Not for use on DOT 5

## Features

- ACCURATE MOISTURE LEVEL DETERMINATION: The Performance Tool W181 Brake Fluid Tester accurately determines the moisture level in brake fluid to ensure optimal vehicle safety.
- 5 LED READOUT FOR EASY INTERPRETATION: The 5 LED readout on the brake fluid tester indicates the percentage of moisture in the fluid, making it easy for you to interpret the results.
- BATTERY INCLUDED FOR IMMEDIATE USE: The W181 Brake Fluid Tester comes with a 1-AAA battery, allowing you to use it right out of the box.
- CALIBRATED FOR DOT 4 BRAKE FLUID: This brake fluid tester is calibrated specifically for use with DOT 4 brake fluid, ensuring accurate readings every time.
- SUITABLE FOR DOT 3 BRAKE FLUID ESTIMATES: Although primarily calibrated for DOT 4 brake fluid, the W181 Brake Fluid Tester can also be used for estimates with DOT 3 brake fluid. Please note that it is not suitable for use with DOT 5 brake fluid.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Wilmar Corporation |
| Brand | PERFORMANCE TOOL |
| Model | W181 |
| Product Dimensions | 6.99 x 2.54 x 21.84 cm; 68.04 g |
| Batteries | 1 AAA batteries required. (included) |
| Item model number | W181 |
| Exterior | Machined |
| Manufacturer Part Number | W181 |
| Position | Rear |
| Item Weight | 68 g |

## Product Details

- **Brand:** PERFORMANCE TOOL
- **Material:** Steel, plastic, or a combination of materials
- **Item dimensions L x W x H:** 7 x 2.5 x 21.8 centimeters
- **Item weight:** 68 g
- **UPC:** 039564045981 632963511912

## Images

![Performance Tool W181 Brake Fluid Moisture Tester - 5 LED Readout, Calibrated for DOT 4, Portable with AAA Battery Included, Not for use on DOT 5 - Image 1](https://m.media-amazon.com/images/I/61+iOPjG2EL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.mx/products/392458828-performance-tool-w181-brake-fluid-moisture-tester-5-led-readout](https://www.desertcart.mx/products/392458828-performance-tool-w181-brake-fluid-moisture-tester-5-led-readout)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-01*