--- product_id: 67515448 title: "Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester)" brand: "performance tool" price: "€ 41.88" currency: EUR in_stock: true category: "Performance Tool" url: https://www.desertcart.pt/products/67515448-performance-tool-w16500-professional-def-tester-disc-type-def-diesel store_origin: PT region: Portugal --- # Compatible with diesel vehicles 2010+ ±0.1% accuracy with floating disc tech Temperature compensating for reliable readings Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid tester) **Brand:** performance tool **Price:** € 41.88 **Availability:** ✅ In Stock ## Summary > ⚙️ Stay ahead of the fleet with precision DEF testing that never quits! ## 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?** € 41.88 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/67515448-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 whether hot or cold. - • **Effortless Monitoring:** Insert and read instantly—no complicated setup or calibration needed. - • **Precision You Can Trust:** Floating disc technology delivers lab-grade DEF purity readings every time. - • **Mechanic-Approved Reliability:** Professional-grade tool favored by technicians for consistent, dependable testing. - • **Universal Diesel Compatibility:** Works seamlessly with diesel cars, light trucks, and semis from 2010 onward. ## Overview The Performance Tool W16500 Professional DEF Tester uses advanced floating disc technology to provide highly accurate, temperature-compensated readings of diesel exhaust fluid purity. Compatible with most diesel vehicles from 2010 to present, this easy-to-use, professional-grade tester is trusted by mechanics for reliable, instant DEF monitoring. ## 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. ## 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 | | Best Sellers Rank | #175,741 in Automotive ( See Top 100 in Automotive ) #20 in Ignition Testers | | Brand Name | Performance Tool | | Customer Reviews | 4.1 4.1 out of 5 stars (329) | | Global Trade Identification Number | 00039564116872 | | Included Components | DEF Tester | | Item Dimensions | 2.5 x 4.8 x 15.2 inches | | Item Type Name | Professional DEF Tester | | Item Weight | 5.6 ounces | | Manufacturer | Performance Tool | | Material Type | Metal | | Model | W16500 | | Number of Items | 1 | | Part Interchange Info | W16500 | | Part Number | W16500 | | UPC | 039564116872 | | Unit Count | 1 Count | | Warranty Description | 90 days | ## Product Details - **Brand:** Performance Tool - **Item Weight:** 5.6 ounces - **Item dimensions L x W x H:** 2.5 x 4.8 x 15.2 inches - **Material:** Metal - **Number of Items:** 1 ## 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) ## 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.pt/products/67515448-performance-tool-w16500-professional-def-tester-disc-type-def-diesel](https://www.desertcart.pt/products/67515448-performance-tool-w16500-professional-def-tester-disc-type-def-diesel) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-07*