Is this easy to use for someone who's not a mechanic?

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.

How accurate is it compared to just looking at the oil color?

More accurate than the human eye, our optical sensor analyzes microscopic oil contaminants to give definitive percentage and temperature readings—eliminating maintenance guesswork.

Does it work on both old and new cars, and for diesel trucks?

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.

Why should I buy this instead of just changing my oil regularly?

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.

How do I know this is a reliable brand?

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.

Engine Oil Tester For Petrol And Diesel 2 8 Lcd

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛢️ Diagnose Your Engine’s Health Like a Pro—Before It’s Too Late!

PRECISION YOU CAN TRUST - High-precision optoelectronic sensor delivers accurate oil quality diagnostics for both petrol and diesel engines.
FLEXIBLE TESTING FREEDOM - 800mm PTFE hose offers ultimate reach and durability, resistant to oil, oxidation, and corrosion.
CRYSTAL CLEAR 2 8 LCD DISPLAY - Backlit screen ensures flawless readings anytime, anywhere—day or night.
ERGONOMIC GRIP ONE HANDED CONTROL - Silicone-coated handheld design for effortless, confident operation during every test.
COMPREHENSIVE COMPATIBILITY SUPPORT - Works with most lubricating oils and backed by 24-month warranty plus 24/7 customer care.

The AS503 Engine Oil Tester is a professional-grade handheld device featuring a 2.8-inch backlit LCD and a high-precision optical probe. Designed for both petrol and diesel engines, it accurately measures lubricating oil quality and temperature via an 800mm flexible PTFE hose. Its ergonomic silicone grip and broad oil compatibility make it an essential tool for proactive engine maintenance, backed by a 24-month warranty and round-the-clock customer support.

Specifications

ASIN	B0CG99ZLX7
Best Sellers Rank	122,672 in Automotive ( See Top 100 in Automotive ) 23 in Oil Pressure Testers
Brand	QPKING
Customer Reviews	4.3 4.3 out of 5 stars (109)
Date First Available	17 May 2024
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

Reviews

Y**A

انصح به وبشده

شكرا ً لكم

13.07.2025

M**K

Zu empfehlen

Ist gut und einfach anzuwenden und funktioniert recht gut. Man kann damit seine Motoröl Qualität überprüfen

28.10.2025

A**O

Ottimo

Ottimo prodotto consigliato

24.05.2026

M**D

Good to know when your oil is needed to change

Works good, tried few different cars with old and new oil, shows about right. Definetely worth the the money

24.02.2026

C**S

Fabuloso

Muito preciso e de excelente qualidade

5.01.2025

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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The delivery time was excellent, and the packaging was secure.

2 months ago

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