QPKING
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AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
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AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
AS503 Engine Oil Tester equipped with a backlit 2.8-inch LCD screen.
AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines
Item #: 79843837

AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines

Item #: 79843837

BWP 657

Price Details

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*All items will import from US

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Order now and get it around Friday, August 28
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AS503 Engine Oil Tester equipped with a backlit 2.8-inch LCD screen.
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What Stands Out

High-Precision Detection
Equipped with a high-precision detection probe, the AS503 ensures accurate measurements of oil quality for both gasoline and diesel engines, helping users maintain optimal engine performance.
User-Friendly Display
Featuring a 2.8-inch screen, the device provides clear readings of transmittance and oil temperature, making it easy for users to assess oil quality at a glance.
Broad Compatibility
Compatible with various lubricant standards, the AS503 allows users to test a wide range of engine oils, enhancing its versatility and usefulness across multiple vehicle types.

Product Details

Shop AS503 Engine Oil Quality Tester for Gasoline and Diesel Engines online at a best price in Botswana.

Product Technical Details

Manufacturer‎QPKING
Brand‎QPKING
Model‎oil quality tester
Item Weight‎13.1 ounces
Package Dimensions‎10.04 x 5.59 x 2.32 inches
Item model number‎AS503 engine oil tester
Manufacturer Part Number‎AS503 Motoröl-Qualitätsprüfgerät

Who Should Buy?

Suitable For
  • DIY Mechanics

    Ideal for home mechanics wanting to check oil quality without professional assistance, saving time and money.

  • Fleet Managers

    Beneficial for managing multiple vehicles, ensuring optimal oil quality and maintenance across the fleet effectively.

  • Car Enthusiasts

    Perfect for car enthusiasts who want to maintain their vehicles in top condition and understand oil performance.

Not Suitable For
  • Professional Mechanics

    May not meet the advanced diagnostic needs of professional mechanics who prefer more sophisticated tools and equipment.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the AS503 Professional Engine Oil Tester used for?

    Answer: The AS503 Professional Engine Oil Tester is designed to assess the condition of engine oil in both gasoline and diesel engines. It measures oil quality, temperature, and other essential parameters to help you determine when an oil change is necessary. By using this tool, you can monitor engine performance, reduce wear and tear, and ultimately extend the lifespan of your vehicle. It's particularly useful for automotive professionals or enthusiasts who want to maintain optimal engine health.
  • Question: How does the temperature sensor of the AS503 work?

    Answer: The AS503 is equipped with a precise temperature sensor that monitors the oil temperature during testing. This feature is crucial because oil viscosity changes depending on temperature, affecting its lubricating properties. By providing real-time temperature readings, the tester ensures that you evaluate the oil’s condition under accurate conditions, making your assessments more reliable. This capability is especially beneficial during engine diagnostics or pre-service checks.
  • Question: What is the significance of using a flexible probe in the AS503?

    Answer: The AS503's 31.5” flexible probe allows for easy access to hard-to-reach areas within the engine. This flexibility makes it convenient for testing oil in various engine configurations without needing to reposition or adjust your equipment constantly. This design feature is particularly advantageous in compact engine bays or during routine inspections, enhancing user experience and efficiency.
  • Question: Is the AS503 compatible with both gasoline and diesel engines?

    Answer: Yes, the AS503 is specifically designed to be compatible with both gasoline and diesel engines. Its versatility allows it to be used across a wide range of vehicles, making it an ideal tool for mechanics, workshops, and individual car owners. This dual compatibility ensures you can monitor and maintain oil quality regardless of the engine type, thereby improving overall vehicle maintenance routines.
  • Question: Can the AS503 help identify oil contamination?

    Answer: Absolutely, the AS503 is capable of identifying signs of oil contamination through its oil condition assessment capabilities. By evaluating factors such as viscosity and thermal properties, the tester can reveal whether oil has been compromised by dirt, fuel dilution, or oxidation. This is crucial in preventing engine damage and ensuring that you address potential issues before they escalate, thereby maintaining engine health more effectively.
  • Question: What types of oil conditions can the AS503 monitor?

    Answer: The AS503 monitors various oil conditions such as viscosity, temperature, and overall quality. By analyzing these key parameters, it can help detect issues such as oil degradation, overheating, or contamination. As a result, users can make informed decisions about when to change the oil, thereby optimizing performance and ensuring that the engine operates efficiently. This makes it a valuable asset for anyone serious about engine maintenance.
  • Question: Is the AS503 user-friendly for beginners?

    Answer: Yes, the AS503 is designed with user-friendliness in mind, making it accessible for both beginners and seasoned professionals. It features a straightforward operation process that allows users to quickly understand how to take readings and interpret results. Its clear display and intuitive controls streamline the testing process, enabling anyone to conduct engine oil assessments with confidence and reliability.
  • Question: What maintenance does the AS503 require?

    Answer: The AS503 requires minimal maintenance to ensure optimal performance. After each use, it is advisable to clean the flexible probe to prevent any residue buildup that could affect future readings. Additionally, regular checks on the battery levels and ensuring the device is stored in a safe, dry place will help maintain its functionality. This simple upkeep is essential for accurate readings and long-lasting reliability.
  • Question: Can the AS503 be used in professional automotive settings?

    Answer: Definitely! The AS503 is designed for both professional automotive settings and personal use, making it a versatile tool for garages, workshops, and serious car enthusiasts. Its accuracy and ease of use allow professionals to conduct thorough oil assessments quickly. This asset is invaluable during routine maintenance checks or engine diagnostics, ensuring that the vehicles you work on remain in peak operating condition.
  • Question: Where can I buy the AS503 Professional Engine Oil Tester in Botswana?

    Answer: You can purchase the AS503 Professional Engine Oil Tester at Ubuy. Ubuy offers a wide selection of automotive tools and equipment, ensuring a seamless shopping experience. With their reliable customer service and accessible online platform, you can easily find and acquire this essential device, enhancing your vehicle maintenance routine from the comfort of your home.

QPKING ‎AS503 engine oil tester Editorial Review

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The QPKING Engine Oil Quality Tester AS503 has received mixed reviews from customers. One user expressed frustration as the tester did not work with their VAG vehicles due to the sensor cable not fitting through the bent tubes of the oil dipsticks. However, another user found the product to be compatible with their equipment and praised the quick delivery. Overall, the QPKING Engine Oil Quality Tester AS503 seems to work well with certain vehicles but may not be suitable for all models due to limitations in accessing the oil dipstick tubes. It is important to Consider the compatibility of this tester with your specific vehicle before making a purchase. **

Customer Reviews & Ratings

130 customers ratings
  • 5 Star
    72%
  • 4 Star
    9%
  • 3 Star
    6%
  • 2 Star
    4%
  • 1 Star
    9%

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Pros

  • 2.8-inch backlit screen for easy reading
  • Quick delivery

Platform Trust & Buyer Confidence

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4.2/5 9250 + reviews
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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BWP 657

Order now and get it around Friday, August 28

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Fastest cross-border delivery

Features & Benefits

  • AS503 Engine Oil Tester is a professional oil testing equipment for automotive testing and maintenance.
  • Measure lubricating oil transmittance to reflect impurities and contaminants in the oil.
  • Ensure engine works normally and efficiently, preventing problems and malfunctions.
  • Compatible with various lubricant oil standards.
  • User-friendly handheld design with a large LCD screen.
  • Integrated temperature sensor for convenient assessment of engine's operating status.

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