---
product_id: 100866926
title: "PERFORMANCE TOOL W16500 Professional DEF Tester"
brand: "performance tool"
price: "€ 35.79"
currency: EUR
in_stock: false
reviews_count: 5
url: https://www.desertcart.ie/products/100866926-performance-tool-w16500-professional-def-tester
store_origin: IE
region: Ireland
---

# Compatible with diesel vehicles 2010+ Precision disc-type sensor Temperature-compensated accuracy PERFORMANCE TOOL W16500 Professional DEF Tester

**Brand:** performance tool
**Price:** € 35.79
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Stay ahead with flawless DEF testing — because your diesel deserves precision!

## Quick Answers

- **What is this?** PERFORMANCE TOOL W16500 Professional DEF Tester by performance tool
- **How much does it cost?** € 35.79 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/100866926-performance-tool-w16500-professional-def-tester)

## 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

- • **All-Weather Accuracy:** Temperature compensation guarantees reliable readings hot or cold
- • **Lightweight & Durable:** Machined exterior with just 159g for effortless handling on the go
- • **Instant Visual Feedback:** Floating discs provide clear, easy-to-read urea level display
- • **Wide Vehicle Compatibility:** Works seamlessly with diesel cars, light duty & semi-trucks (2010-current)
- • **Precision Urea Purity Check:** Disc-type tester ensures exact 32.5% DEF concentration

## Overview

The PERFORMANCE TOOL W16500 is a professional-grade disc-type Diesel Exhaust Fluid tester designed for diesel vehicles from 2010 onwards. It accurately measures urea purity at the critical 32.5% concentration using floating discs, with temperature compensation for reliable results in any climate. Lightweight and durable, it’s the essential tool for maintaining optimal DEF quality and engine performance.

## Description

Performance Tool, Professional disc type DEF, Diesel Exhaust Fluid tester. For most diesel power cars, light duty and semi-trucks from 2010 to current. Design to test the urea purity to maintained 32.5 percent. Floating discs will accurately display urea levels Tests accurately hot or cold, temperature compensating.

Review: I needed to know if my def was good or not. This device was easy to use
Review: Works very easy and accurately

## Features

- Professional disc type DEF, Diesel Exhaust Fluid tester.
- For most diesel power cars, light duty and semi-trucks from 2010 to current.
- Design to test the urea purity to maintained 32.5 percent.
- Floating discs will accurately display urea levels
- Tests accurately hot or cold, temperature compensating.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01DVAL4I2 |
| Brand | PERFORMANCE TOOL |
| Customer Reviews | 4.0 4.0 out of 5 stars (309) |
| Date First Available | 19 May 2016 |
| Exterior | Machined |
| Item Weight | 159 g |
| Item model number | W16500 |
| Manufacturer | Performance Tool |
| Manufacturer part number | W16500 |
| Model | W16500 |
| OEM Part Number | W16500 |
| Product Dimensions | 6.35 x 12.19 x 38.61 cm; 158.76 g |

## Product Details

- **Brand:** PERFORMANCE TOOL
- **Item dimensions L x W x H:** 6.4 x 12.2 x 38.6 centimetres
- **Item weight:** 0.35 Pounds
- **Material:** Metal
- **UPC:** 039564116872

## Images

![PERFORMANCE TOOL W16500 Professional DEF Tester - Image 1](https://m.media-amazon.com/images/I/61sXeOEllVL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***R on 19 December 2024*

I needed to know if my def was good or not. This device was easy to use

### ⭐⭐⭐⭐⭐ Review
*by K***T on 9 November 2025*

Works very easy and accurately

### ⭐⭐⭐⭐ Review
*by L***Z on 16 November 2025*

Trabaja muy bien, lo único que no me gustó, es que el material con el que está hecho, es muy frágil, por lo demás hace buen trabajo

## Frequently Bought Together

- Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester)
- DEF Refractometer for Measuring Diesel Exhaust Fluid Concentration of Diesel Engines
- B3C Fuel Solutions DEF 7-040-9 Diesel-Exhaust-Fluid Contamination Test Strips (Pack of 100)

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**Shop now:** [https://www.desertcart.ie/products/100866926-performance-tool-w16500-professional-def-tester](https://www.desertcart.ie/products/100866926-performance-tool-w16500-professional-def-tester)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-11*