--- product_id: 670866587 title: "AS503 Petrol Diesel Engine Oil Tester with 80cm PTFE Probe" brand: "qpking" price: "€ 100.33" currency: EUR in_stock: true category: "Qpking" url: https://www.desertcart.gr/products/670866587-as503-petrol-diesel-engine-oil-tester-with-80cm-ptfe-probe store_origin: GR region: Greece --- # 2.8-inch backlit LCD display Selectable petrol & diesel modes 80 cm oil-resistant PTFE probe AS503 Petrol Diesel Engine Oil Tester with 80cm PTFE Probe **Brand:** qpking **Price:** € 100.33 **Availability:** ✅ In Stock ## Summary > ⚡ Stay ahead of engine wear with instant oil clarity! ## Quick Answers - **What is this?** AS503 Petrol Diesel Engine Oil Tester with 80cm PTFE Probe by qpking - **How much does it cost?** € 100.33 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/670866587-as503-petrol-diesel-engine-oil-tester-with-80cm-ptfe-probe) ## Best For - qpking enthusiasts ## Why This Product - Trusted qpking brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Fuel Compatibility:** Seamlessly switch between petrol and diesel modes to match your vehicle’s exact oil specs. - • **Clear & Intuitive Display:** Backlit 2.8-inch LCD shows all critical data including temperature in °C/°F and battery status. - • **Extended Reach PTFE Probe:** Flexible, oil-resistant 80 cm probe ensures easy access to deep dipstick tubes without damage. - • **Precision Optical Oil Testing:** Instantly measures light transmission & oil temperature for real-time engine health insights. - • **User-Friendly & Safe Operation:** Designed for quick, no-mess testing—just cool the engine, clean the probe, and immerse fully. ## Overview The QPKING AS503 Engine Oil Tester offers professional-grade optical testing for petrol and diesel engines, featuring a long 80 cm PTFE probe and a crisp 2.8-inch backlit LCD. It delivers quick, accurate light transmission and temperature readings, empowering proactive maintenance without lab delays. ## Description Buy QPKING AS503 Petrol Diesel Engine Oil Tester with 80cm PTFE Probe | 2.8 inch LCD, light transmission and oil temperature, °C/°F, 80 cm PTFE probe, petrol and diesel engine oil at desertcart UK. Free delivery on eligible orders. ## Features - OPTICAL OIL TESTING: Determines the light transmission of the engine oil and shows a reference value as well as the oil temperature; no viscosity, pressure or laboratory analysis. - Petrol and diesel: selectable modes for engine oil from petrol and diesel engines; select oil type before measurement and observe the maintenance specifications of the vehicle manufacturer. - 80 cm PTFE probe: oil-resistant flexible probe for accessible dipstick tubes, check the course and opening before purchase and never insert with force. - Clear display: 2.8 inch LCD with backlight shows light transmission, oil temperature in °C/°F, status symbols and battery level clearly. - Use correctly: turn off the engine and let oil cool, clean the probe, select suitable mode and fully immerse. Not for oils containing MoS₂, organic molybdenum, graphene or similar additives. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CG99ZLX7 | | Best Sellers Rank | 257,851 in Automotive ( See Top 100 in Automotive ) 36 in Oil Pressure Testers | | Brand | QPKING | | Customer Reviews | 4.3 4.3 out of 5 stars (132) | | Date First Available | 17 May 2024 | | Guaranteed software updates until | unknown | | Item Weight | 372 g | | Item model number | AS503 engine oil tester | | Manufacturer | QPKING | | Manufacturer part number | AS503 Motoröl-Qualitätsprüfgerät | | Model | AS503 Motoröl-Qualitätsprüfgerät | | Package Dimensions | 25.5 x 14.2 x 5.89 cm; 372 g | ## Images ![AS503 Petrol Diesel Engine Oil Tester with 80cm PTFE Probe - Image 1](https://m.media-amazon.com/images/I/61J2FHUeZsL.jpg) ## Questions & Answers **Q: Is this easy to use for someone who's not a mechanic?** A: Absolutely! It's designed for everyone.Just wipe the probe, select your engine type(gasoline or diesel), dip it in the oil, and press the button.You'll get a clear "OK" or "Replace" result on the large screen in seconds—no technical knowledge needed. **Q: How accurate is it compared to just looking at the oil color?** A: More accurate than the human eye, our optical sensor analyzes microscopic oil contaminants to give definitive percentage and temperature readings—eliminating maintenance guesswork. **Q: Does it work on both old and new cars, and for diesel trucks?** A: Yes! It is universally compatible with the majority of gasoline and diesel engine oils on the market. Separate testing modes ensure accurate assessment for each engine type, whether it's your daily car, SUV, or diesel pickup truck. **Q: Why should I buy this instead of just changing my oil regularly?** A: It helps you change oil smartly,not just regularly.It prevents you from changing oil too early (saving money)or too late (preventing engine damage).It's the fastest way to know if your oil is still good,optimizing both engine health and your wallet. **Q: How do I know this is a reliable brand?** A: The AS503 is built with professional-grade components like a PTFE-coated probe and a robust optical sensor. It comes with a clear manual and is trusted by DIYers and professionals for its simple, dependable readings. Your satisfaction is guaranteed. ## Frequently Bought Together - Engine Oil Quality Tester AS503 Engine Oil Tester for Gasoline Diesel Vehicles With 2.8"Screen High-Precision Detection Probe,Transmittance&Oil Temp.Display,Compatible With Various Lubricant Standards - TYRAREX Automotive Transmission Fluid Tester Oil Analyzer Detector with Temperature Sensor, Gasoline & Diesel Gearbox Oil Diagnostic Tool with 31.5in Hose 2.8in Backlight Display (T20) - Brake Fluid Tester, High Precision Car Brake Fluid Detector, Hydraulic Fluid/Liquid/Oil Moisture Analyzer with LCD Screen Audible Alarm DOT3 DOT4 DOT5.1 Tester,Automotive Replacement Level Sensors --- ## 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.gr/products/670866587-as503-petrol-diesel-engine-oil-tester-with-80cm-ptfe-probe](https://www.desertcart.gr/products/670866587-as503-petrol-diesel-engine-oil-tester-with-80cm-ptfe-probe) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-29*