--- product_id: 297449686 title: "Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester)" brand: "performance tool" price: "€ 43.54" currency: EUR in_stock: true reviews_count: 5 category: "Performance Tool" url: https://www.desertcart.be/products/297449686-performance-tool-w16500-professional-def-tester-disc-type-def-diesel store_origin: BE region: Belgium --- # Fits 2010+ diesel vehicles ±0.1% accuracy Temperature compensating Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester) **Brand:** performance tool **Price:** € 43.54 **Availability:** ✅ In Stock ## Summary > ⚙️ Stay ahead of the fleet with precision DEF testing! ## Quick Answers - **What is this?** Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester) by performance tool - **How much does it cost?** € 43.54 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/297449686-performance-tool-w16500-professional-def-tester-disc-type-def-diesel) ## 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 ensures flawless results in any climate. - • **Effortless Monitoring:** Insert and read—no complicated setup or calibration needed. - • **Precision You Can Trust:** Floating disc tech delivers lab-grade DEF purity readings every time. - • **Mechanic-Approved Reliability:** Professional-grade tool favored by technicians for consistent performance. - • **Universal Diesel Compatibility:** Works seamlessly with diesel cars, light trucks, and semis from 2010 onward. ## Overview The Performance Tool W16500 is a professional-grade disc-type DEF tester designed for diesel vehicles from 2010 to present. It uses floating discs to provide highly accurate urea level readings, compensates for temperature variations, and offers an easy, no-fuss testing experience trusted by mechanics and technicians. ## Description The Performance Tool W16500 Professional DEF Tester is a must-have tool for anyone who wants to accurately test the purity levels of their DEF. Using floating discs, this tester provides highly accurate readings of the urea levels in your DEF, whether it's hot or cold. Designed for use with most diesel-powered cars, light duty trucks, and semi-trucks manufactured from 2010 to present day, this DEF tester is suitable for various vehicles. It's easy to use - simply insert the disc into your DEF tank and watch as it accurately displays the urea levels, allowing you to easily monitor your vehicle's DEF purity. This DEF tester is temperature compensating, ensuring that you get accurate readings regardless of the ambient temperature. The Performance Tool W16500 is a professional disc-type DEF tester that is trusted by mechanics and technicians to deliver accurate and reliable results every time. Review: Worked like a charm - I needed to know if my def was good or not. This device was easy to use Review: Great choice - Works very easy and accurately ## Features - ACCURATE TESTING: The Performance Tool W16500 Professional DEF Tester uses floating discs to provide highly accurate readings of the purity levels of your DEF, whether it's hot or cold. - SUITABLE FOR VARIOUS VEHICLES: Designed for use with most diesel-powered cars, light duty trucks, and semi-trucks manufactured from 2010 to present day. - EASY TO USE: Simply insert the disc into your DEF tank and watch as it accurately displays the urea levels, allowing you to easily monitor your vehicle's DEF purity. - TEMPERATURE COMPENSATING: This DEF tester is temperature compensating, ensuring that you get accurate readings regardless of the ambient temperature. - PROFESSIONAL GRADE: The Performance Tool W16500 is a professional disc-type DEF tester that is trusted by mechanics and technicians to deliver accurate and reliable results every time. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01DVAL4I2 | | Brand | PERFORMANCE TOOL | | Brand Name | PERFORMANCE TOOL | | Customer Reviews | 4.1 out of 5 stars 314 Reviews | | Global Trade Identification Number | 00039564116872 | | Included Components | DEF r | | Item Dimensions | 6.4 x 12.2 x 38.6 centimeters | | Item Type Name | Professional DEF r | | Item Weight | 0.35 Pounds | | Item dimensions L x W x H | 6.4 x 12.2 x 38.6 centimeters | | Item weight | 0.35 Pounds | | Manufacturer | Performance Tool | | Material | Metal | | Material Type | Metal | | Model | W16500 | | Number of Items | 1 | | Part Number | W16500 | | UPC | 039564116872 | | Warranty Description | 90 days | ## Product Details - **Brand:** PERFORMANCE TOOL - **Item dimensions L x W x H:** 6.4 x 12.2 x 38.6 centimeters - **Item weight:** 159 g - **Material:** Metal - **UPC:** 039564116872 ## Images ![Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester) - Image 1](https://m.media-amazon.com/images/I/61sXeOEllVL.jpg) ![Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester) - Image 2](https://m.media-amazon.com/images/I/71tK4VO2IYL.jpg) ![Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester) - Image 3](https://m.media-amazon.com/images/I/513u9ox6qIL.jpg) ![Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester) - Image 4](https://m.media-amazon.com/images/I/71XqBXsJXsL.jpg) ![Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester) - Image 5](https://m.media-amazon.com/images/I/71-msvzCe1L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worked like a charm *by A***R on 19 December 2024* I needed to know if my def was good or not. This device was easy to use ### ⭐⭐⭐⭐⭐ Great choice *by K***T on 9 November 2025* Works very easy and accurately ### ⭐⭐⭐⭐ Es bueno, hace su trabajo *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) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/297449686-performance-tool-w16500-professional-def-tester-disc-type-def-diesel](https://www.desertcart.be/products/297449686-performance-tool-w16500-professional-def-tester-disc-type-def-diesel) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-14*