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.

As503 Engine Oil Quality Tester For Gasoline And Diesel Engines

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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235.49 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

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Description

🚗 Keep your engine in the fast lane with precision oil insights!

EXTENDED REACH PROBE - 800mm flexible PTFE probe accesses hard-to-reach dipstick tubes without hassle.
DUAL FUEL COMPATIBILITY - Seamlessly switch between gasoline and diesel modes for versatile engine testing.
USER FRIENDLY INTERFACE - 2.8-inch backlit LCD delivers clear readings and intuitive workflow for efficient maintenance.
SMART MAINTENANCE INSIGHT - Combine readings with your vehicle’s specs to optimize oil change intervals and avoid costly engine wear.
PRECISION OPTICAL SCREENING - Quickly assess engine oil clarity and condition with advanced transmittance technology.

The QPKING AS503 Engine Oil Quality Tester offers a cutting-edge optical transmittance screening combined with real-time oil temperature monitoring. Designed for both gasoline and diesel engines, its 31.5-inch flexible PTFE probe ensures easy access to challenging dipstick tubes. Featuring a bright 2.8-inch backlit LCD, this tester empowers professionals to make informed maintenance decisions quickly, enhancing engine longevity and performance.

Specifications

ASIN	B0CG99ZLX7
Brand	QPKING
Customer Reviews	4.3 4.3 out of 5 stars (132)
Date First Available	August 22, 2023
Item Weight	13.1 ounces
Item model number	AS503 engine oil tester
Manufacturer	QPKING
Manufacturer Part Number	AS503 Motoröl-Qualitätsprüfgerät
Model	oil quality tester
Package Dimensions	10.04 x 5.59 x 2.32 inches

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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235.49 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines

Description

Specifications

Common Questions