Updated: 27 Feb 2025

double hole car spark plug testers

Explore up to 35% Off

Updated: 27 Feb 2025

#1

Best Choice
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

9.7

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%
#2

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

9.5

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%
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#3
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

9.4

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.
#4
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

9.1

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
#5
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

8.9

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%
#6
Spark Plug Tester Double Holes, OBDMONSTER Spark Plugs Automotive Engine Ignition Coil Tester 0-6000rpm Operating Frequency, Car Spark Tester Tool for 12V Gasoline Vehicles

8.8

OBDMONSTER

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Main highlights

Superior Quality and Durability: This spark plug tester is made of high-quality thermoplastic polymer structural material with excellent heat and shock resistance, ensuring stable operation even under high temperature and high humidity working environment. The instrument has built-in overload protection and short-circuit protection for greater peace of mind and longer service life. Wide range of applications, can be used in all 12V petrol cars with 12mm spark plug diameter, crankshaft engines and motorbikes.

Innovative Dual Hole Design: OBDMONSTER Spark Plug Tester adopts creative and ingenious double-hole design, different from traditional single-hole plug testers, it can complete the testing of multiple sets of spark plugs in a short time and observe the performance comparison, saving time and effort, which makes your work more convenient!

0~6000RPM Adjustable Frequency: This spark plug tester has a built-in high-precision sensor, which can accurately measure the ignition performance and voltage stability of spark plugs by realistically simulating the engine's working condition. Meanwhile, the speed frequency can be adjusted from 0 to 6000rpm/min, which can be adjusted by just turning the switch. The higher the frequency, the stronger the spark. Whether you are testing the quality of new spark plugs or evaluating the life of old spark plugs, it provides you with reliable technical support to help you make the best judgement.
#7
Spark Plug Tester, Dual Holes Automotive Engine Ignition Coil Tester 0 to 6000RPM Adjustable Working Frequency Car Motorcycle Spark Tester Tool for 12V Gasoline Vehicles Spark Plug Socket

8.6

OBDResource

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Main highlights

{Why Dual Hole} With two slot,this spark plugs tester can test and compare the performance and ignition spark intensity of two spark plugs at the same time,make an accurate judgment the condition of the spark plugs and replace the broken spark plugs for better engine performance in time.Help to identify faulty spark plugs quickly and easily

{Simulating Engine Ignition System} Spark Plug Tester working frequency of car is 0-6000 rpm. You can adjust it according by rotating the switch.The higher the frequency, the stronger the spark intensity. It can truly simulate the working conditions of the engine.More effective measurement process,more accurate measurement results

{Must Have} Engine struggles to start,poor acceleration and even increased fuel consumption abnormality?Then spark plugs may be having issues or just check news park plugs,need this engine spark tester test the spark plug is good or bad performance,and judge whether the spark plug need to be replaced,offering enhanced efficiency compared to traditional inline spark testers
#8
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

8.5

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%
#9
PLAYOCCAR 110V/220V Spark Plug Tester - Dual Hole Automotive Ignition Plug Tester for Long Spark Plugs, Frequency 500~9000RPM, Petrol Car Spark Plug,with Display, for 12V/24V Cars

8.3

PLAYOCCAR

-10%

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Main highlights

Wide testing range: This automotive spark plug tester has a wider testing range than other brands, allowing you to easily check the ignition performance of spark plugs under various conditions. The upgraded spark plugs are not only suitable for 12V spark plugs, but also for some longer 24V spark plugs (nut diameter: 14mm/16mm), accommodating BMW, Volkswagen and Audi vehicles, as well as crankshaft engines and motorbike spark plugs.

Upgraded Spark Plug Tester: PLAYOCCAR 110V/220V Universal Spark Plug Tester is an upgraded model designed for new and used spark plugs. It can observe and compare the ignition status by using the two-hole test function to quickly identify the fault point. The brass ring knob can increase the height of the socket by 8mm.

HD Digital Display & 500-9000rpm Adjustable Working Frequency: With user-friendly display and knob design, the speed range of 500~9000 RPM can be easily viewed and adjusted, you can intuitively see the value of the speed range and make precise adjustments, simulate the actual engine speed, detect the ignition of spark plugs under different working conditions, the higher the set frequency, the stronger the spark intensity, meet different Test requirements

-10%
#10
MR CARTOOL H90 Automotive Spark Plug Tester Dual Holes Engine Ignition Coil Tester 500~9000rpm Ignition Plug Analyzer for DC 12V Vehicles

8.2

MR CARTOOL

-19%

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Main highlights

【Why Choose a Dual Hole Spark Plug Tester? 】 MR CARTOOL H90 Spark Plug Tester can simultaneously test new and old spark plugs. You can quickly identify the fault point by observing and comparing the ignition status of two spark plugs.

【Supports Standard Spark Plugs and Longer Spark Plugs】Our spark tester tool not only supports standard spark plugs, but can also accommodate longer spark plugs used in BMW, Volkswagen, and Audi vehicles. The test socket of the spark plug tester adopts the knob type design, rotating the knob can adjust the height of the socket (8mm), to meet your needs for testing different spark plugs.

【Battery Clamp Design】MR CARTOOL H90 Ignition Coil Tester can be directly connected to a battery for testing without the need for a power outlet. Efficient and convenient.

-19%

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double hole car spark plug testers

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

9.7

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

9.5

Why we love it

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

9.4

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

9.1

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

8.9

Main highlights

Spark Plug Tester Double Holes, OBDMONSTER Spark Plugs Automotive Engine Ignition Coil Tester 0-6000rpm Operating Frequency, Car Spark Tester Tool for 12V Gasoline Vehicles

8.8

Main highlights

Spark Plug Tester, Dual Holes Automotive Engine Ignition Coil Tester 0 to 6000RPM Adjustable Working Frequency Car Motorcycle Spark Tester Tool for 12V Gasoline Vehicles Spark Plug Socket

8.6

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

8.5

Why we love it

Main highlights

PLAYOCCAR 110V/220V Spark Plug Tester - Dual Hole Automotive Ignition Plug Tester for Long Spark Plugs, Frequency 500~9000RPM, Petrol Car Spark Plug,with Display, for 12V/24V Cars

8.3

Main highlights

MR CARTOOL H90 Automotive Spark Plug Tester Dual Holes Engine Ignition Coil Tester 500~9000rpm Ignition Plug Analyzer for DC 12V Vehicles

8.2

Main highlights

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