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OBDScanners / SparkPlugTesters-5

DUOYI 0-6000 RPM Spark Plug Tester for 12V Vehicles

$ 28.99 $20.29
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Spark Plug Tester for Small Engines

Test the performance of spark plugs by simulating car ignition, ensuring your small engine runs smoothly and efficiently.

Dual-Hole Spark Plug Tester

Enhance accuracy with a dual-hole testing function. Simply insert a brand-new spark plug and the one you want to test, and quickly assess their performance. Inner hole size: 12mm.

Adjustable Working Frequency Spark Tester

Adjustable working frequency from 0 to 6000rpm. Easily set your desired speed with the knob, providing flexibility and precision.

Ignition Tester for 12V Gasoline Car Spark Plugs

Perfect for most 12V gasoline car spark plugs, including 14mm and 16mm models. Not compatible with lawn mowers or chainsaws. Contact us if you're unsure about compatibility.

Coil Tester with Protective Cover

Ensure safe and easy use with a transparent protective cover.