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AUTOOL SPT101 Spark Plug Tester

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Original price $49.99 - Original price $49.99
Original price
$49.99 - $49.99
Current price $49.99
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Delivery Time

With a target delivery time of 1-3 days, our nationwide shipping service ensures that all in-stock items are dispatched within 24 hours.

AUTOOL SPT101 Spark Plug Tester

AUTOOL SPT101 Automotive Spark Plug Tester is a professional and reliable spark plug testing device launched to meet the needs of the automotive aftermarket. It can be used to test the performance of spark plugs safely and quickly. SPT101 can simulate the working conditions of the actual engine, and has the advantages of simple structure, convenient use, large output energy, durability, etc.

Product Features

Simultaneous Testing of Two Holes

Double hole test can be carried out at the same time. Two spark plugs can be tested and observed at the same time. It is convenient for users to make accurate judgments and take targeted treatment methods for spark plugs with poor working conditions through comparative tests. It is professional, reliable, efficient and time-saving.

Simulate Engine Operating Conditions

With the function of simulating engine operating conditions, it can test the performance of the tested spark plugs according to different operating conditions, and accurately diagnose the potential problems of the tested spark plugs.

Adjustable Working Frequency

The working frequency is designed to be adjustable from 0 to 6000rpm. The higher the frequency, the higher the strength of the spark plug. Users can make specific adjustments as needed to support flexible operation.

Protective Cover Design

In the process of spark plug testing, the working voltage can be as high as thousands of volts, there is a great security risk. SPT101 is equipped with a protective cover device. Covering the protective cover before use can effectively prevent accidental contact, ensure the operation safety of operators during the test, and avoid personal injury.

Built-in Indicator Light

The product is equipped with work indicator light and power indicator light, which can display the status of spark plug test more intuitively, and facilitate real-time monitoring of whether the test is running normally.

Easy to Operate

The product is equipped with a convenient power cord, plug to use; just put the spark plug into the product hole and press the switch to test. It is easy to use , and non-professionals can easily master the operation steps.

Widely Used

It is applicable to 12V automotive spark plugs on the market. It accepts 100V~240V input voltage and has a wide test coverage.

Three- year Warranty 

For the damage caused by non-human factors, AUTOOL promises to resend the parts for free within 3 years. For any demand, we warmly welcome you to contact us, and we will reply you as soon as possible within 24 hours.


  • Put the spark plug in the test hole;
  • Close the protective cover;
  • Connect the power supply and adjust the working frequency;
  • Observe the test status of the spark plug through the protective cover.
Spark Plug Tester

    Specifications & Packing List

    Product Parameters

    • Item model number: AUTOOL SPT101
    • Input voltage: 110V/220V
    • Analog speed: 0~6000rpm
    • Weight: 354g
    • Product size: 145x85x113mm
    • Package size: 165x100x118mm

    Packing List

    • 1 * AUTOOL SPT101 Automotive Spark Plug Tester Host
    • 1 * Certificate of Qualification
    • 1 * User Manual
    • 1 * Power Adapter

    Customer Reviews

    Based on 1 review
    Spark Plug Tester Works as Advertised

    Work as advertised. I used it to check the spark quality after adjusting the clearance gaps according to my car specifications. Plus its a pretty cool little gadget :)

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