Updated: 27 Feb 2025

auto spark plug testers

Explore up to 45% Off

Updated: 27 Feb 2025

#1

Best Choice
AUTOOL Spark Plug Tester Automotive Engine Ignition Coil Tester 200-9000rpm Adjustable Working Frequency, Three Holes Spark Plug Gap Tool with Protective Cover for All 12V Gasoline Vehicles

9.9

AUTOOL

-21%

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Main highlights

【Three Hole Testing & Real Simulation】The spark plug tester has a three-hole test function. Three spark plugs are compared at the same time to improve efficiency. It can truly simulate the working conditions of the engine. The measurement process is more efficient and the measurement results are more accurate.

【Easy Operation Plug and Play】The operation of this spark tester is very simple. Just put the spark plug to be tested into the test hole, cover the protective cover, and then connect the power supply to start the test. Digital screen displays the working rpm for more precise control.

【Adjustable Working Frequency & Protective Cover Protection】The working frequency of the spark tester automotive is 200-9000rpm. The higher the frequency, the stronger the spark intensity. The working frequency can be adjusted by the button, you can adjust it according to your needs, it is very convenient. The spark plug tester performance and ignition strong, with protective cover to prevent you to electric danger.

-21%
#2

Value for Money
AUTOOL Car Spark Plug Tester,Automotive Engine Ignition Plug Analyzer 110V with Protective Cover Spark Plug 0 to 6000rpm with Double Hole 12MM Spark Plug Socket

9.6

AUTOOL

-22%

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Main highlights

【Widely Application】12V Gasoline vehicles car spark plugs, 100V-240V input voltage . used to test 12V gasoline vehicles car spark plugs (a diameter of 12mm).Universal for spark plug tests crankshaft engines and motorcycles.

【Why Do You Need It?】By comparing the spark intensities of the two spark plugs,judge the performance and ignition intensity of the spark plugs,and replace the broken spark plugs in time. Spark plug tester has two spark plug socket, you could compare and test to make an accurate judgment at the same time. The design of the protective cover can prevent you from the risk of electric shock during the test,which effectively guarantees your safety during the operation.

【Time-saving & Efficient】The working principle of the car spark plug tester is to test the performance of the spark plug by simulating the work of the engine. Suitable for spark plugs of most 12V gasoline cars.

-22%
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#3
Lisle 20610 Inline Spark Tester, One Size, Factory

9.4

Lisle

-35%

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Main highlights

The tool is double-ended to offer a straight boot and a 90boot on one tool. With the engine running, the tool flashes a mirror image of ignition spark.

Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire.

Gives a Visual Check of the Ignition System.

-35%
#4
ANCEL SP02 Spark Plug Tester Automotive Engine Ignition Coil Tester Dual Holes 0 to 6000RPM Adjustable Working Frequency Car Spark Plug Gap Tool

9.2

ANCEL

-35%

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Why we love it

Tests two plugs at once.

Compatible with most gasoline engines.

Easy to use and adjust.

Main highlights

Dual Hole Testing Efficiency
Test two spark plugs simultaneously to quickly identify faulty ones and enhance engine performance.

Versatile Compatibility
Ideal for all 12V and 24V gasoline engines, including motorcycles and crankshaft engines.

User-Friendly Design
Customers praise its plug-and-play simplicity and adjustable frequency settings.

-35%
#5
Tool Aid 23970 in-Line Spark Checker Kit for Recessed Plug

8.9

S&G Tool Aid

-45%

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Main highlights

Troubleshoot virtually all domestic and imported cars, SUVs and trucks

Frequency and intensity of flash indicates whether there is an ignition system problem or fault in the fuel delivery system

Flashing bulb indicates ignition or fuel delivery problems

-45%
#6
Car Spark Tester, Automotive Electronic Faults Detector, Auto Ignition Coil Tester Tool MST-101 with LED Light Indicator Buzz

8.7

Niathi

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Why we love it

Easy troubleshooting without dismantling parts.

LED light for dark environments.

Versatile testing for various automotive components.

Main highlights

Safe and Reliable Troubleshooting
Diagnostic tool for safe and reliable troubleshooting, no need to dismantle automotive electrical parts.

Ideal for Automotive Technicians
Perfect for testing ignition coils, electric generators, and more automotive components.

Praised LED Light Feature
LED light at the tip illuminates dark or dim environments, enhancing visibility.
#7
Spurtar Spark Plug Tester, Double Hole Automotive Engine Ignition Coil Tester, 0-6000rpm with 12MM Diameter Spark Plug Hole, 110V with Protective Cover for 12V Gasoline Vehicles

8.5

Spurtar

-34%

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Main highlights

Wide RPM Range: The spark plug tester tool covers a broad RPM range from 0 to 6000rpm, ensuring compatibility with various engine types including small engines, motorcycles, and automobiles

Wide Compatibility: 100V-240V input voltage ignition spark tester, suitable for use with most spark plug types and engine configurations for comprehensive measuring, reducing troubleshooting time and improving efficiency

Dual-Hole Design: Spurtar Spark Plug Tester double-hole design enables simultaneous testing of two 10mm 12mm 14mm 16mm 18mm spark plugs, offering enhanced efficiency compared to traditional inline spark testers

-34%
#8
Spark Tester Automotive, Car Spark Plug Tester with Auto Adjustable Double Hole Detector Ignition Plug Analyzer, Automotive Engine Ignition Plug Analyzer 110V for 12V Vehicles

8.4

LINXINO

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Main highlights

【Universal application】Car Spark Plug Tester Tool,which is suitable for testing 12V gasoline automobile spark plugs (diameter 12mm), and can input voltage 100V-240V.Automotive spark plug tester can be used to safely and quickly test the performance of spark plugs,it can be widely used in crankshaft engines and motorcycles.

【Simultaneous Testing of Two Holes】Simultaneous Dual-hole Testing，Spark plug tester has two test holes,which can be tested and compared at the same time, through this two-hole test, you can clearly see the quality of spark plugs,saving time and enhancing efficiency, to ensure that the spark plugs work greatly.

【Easy operation & protective cover design】The operation of Automotive spark plug tester is easy, insert the spark plug into the test hole, cover the protective cover, connect the power supply and adjust the working frequency. The higher the set frequency, the stronger the spark intensity. The automobile spark plug tester is also very safe to use in the process, containing a special protective cover design.You can easily observe the spark plug test status through the protective cover.
#9
Luney Car Spark Plug Tester Tool, Automotive Engine Ignition Plug Analyzer 110V Double-Hole Spark Tester 0-6000rmp Operating Frequency with Protective Cover for 12V 12MM Socket

8.1

Luney

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Main highlights

Working Principle: The automotive spark plug tester and coil tester is mainly used to judge the performance and ignition strength of the spark plugs by comparing the spark strength of two spark plugs, so as to find out the damaged spark plugs. Spark plug tester has two spark plug sockets. The dual-hole test function of our spark plugs allows you to place a new spark plug and an old spark plug in the test hole at the same time, making your judgment more accurate through testing and comparison

Applicability: 12 V Gasoline vehicles car spark plugs are dedicated to the testing of automotive engine spark plugs, the output voltage is 110 V, which is widely used for automotive spark plugs of 12 V 12 MM gasoline vehicles cars. Universal for spark plug tests are adaptable to most crankshaft engines and motorcycle spark plugs on the market

Adjustable Working Frequency: Our car spark plugs tester and coil tester's working frequency is 0-6000 rmp, you can adjust it according to your needs. The higher the adjusted frequency, the stronger the spark
#10
Spark Plug Tester Dual Holes, Automotive Engine Ignition Coil Tester 0-6000rpm Working Frequency, Car Spark Tester Tool with Protective Cover for 12V Gasoline Vehicles

8.0

Cartoobe

-23%

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Why we love it

Tests two spark plugs at once.

Compatible with most 12V gasoline vehicles.

Adjustable frequency for accurate testing.

Main highlights

Dual Hole Testing Efficiency
Test two spark plugs simultaneously for quick and accurate results.

Versatile Vehicle Compatibility
Ideal for 12V gasoline vehicles and most crankshaft engines.

Adjustable Frequency Praise
Users appreciate the adjustable 0-6000rpm frequency for precise testing.

-23%

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auto spark plug testers

AUTOOL Spark Plug Tester Automotive Engine Ignition Coil Tester 200-9000rpm Adjustable Working Frequency, Three Holes Spark Plug Gap Tool with Protective Cover for All 12V Gasoline Vehicles

9.9

Main highlights

AUTOOL Car Spark Plug Tester,Automotive Engine Ignition Plug Analyzer 110V with Protective Cover Spark Plug 0 to 6000rpm with Double Hole 12MM Spark Plug Socket

9.6

Main highlights

Lisle 20610 Inline Spark Tester, One Size, Factory

9.4

Main highlights

ANCEL SP02 Spark Plug Tester Automotive Engine Ignition Coil Tester Dual Holes 0 to 6000RPM Adjustable Working Frequency Car Spark Plug Gap Tool

9.2

Why we love it

Main highlights

Tool Aid 23970 in-Line Spark Checker Kit for Recessed Plug

8.9

Main highlights

Car Spark Tester, Automotive Electronic Faults Detector, Auto Ignition Coil Tester Tool MST-101 with LED Light Indicator Buzz

8.7

Why we love it

Main highlights

Spurtar Spark Plug Tester, Double Hole Automotive Engine Ignition Coil Tester, 0-6000rpm with 12MM Diameter Spark Plug Hole, 110V with Protective Cover for 12V Gasoline Vehicles

8.5

Main highlights

Spark Tester Automotive, Car Spark Plug Tester with Auto Adjustable Double Hole Detector Ignition Plug Analyzer, Automotive Engine Ignition Plug Analyzer 110V for 12V Vehicles

8.4

Main highlights

Luney Car Spark Plug Tester Tool, Automotive Engine Ignition Plug Analyzer 110V Double-Hole Spark Tester 0-6000rmp Operating Frequency with Protective Cover for 12V 12MM Socket

8.1

Main highlights

Spark Plug Tester Dual Holes, Automotive Engine Ignition Coil Tester 0-6000rpm Working Frequency, Car Spark Tester Tool with Protective Cover for 12V Gasoline Vehicles

8.0

Why we love it

Main highlights

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