12V Spark Plug and Ignition Coil Tester for Vehicles

A Must-Read Feature Guide

Dual-Hole Simultaneous Spark Plug Tester for 12V Gasoline Vehicles

Test new and old spark plugs at the same time with our dual-hole spark plug tester. Easily compare their performance and lifespan to optimize engine efficiency and save time.

0~6000rpm Adjustable Working Frequency

Our spark plug tester simulates real engine speeds from 0 to 6000rpm/min, ensuring accurate ignition performance tests under different conditions. Adjust the working frequency to suit your needs, and monitor the spark intensity for improved diagnostics.

Protective Cover Design for Safety

Equipped with a protective cover, this spark plug tester ensures safe operation during tests. Always cover the tester before use to prevent electric shock. Ensure safety by turning off the switch before removing the spark plug after testing.

Ideal for 12V Gasoline Vehicles

Designed with a 12mm test hole, this spark plug tester is compatible with most 12V gasoline vehicle spark plugs, including 14mm and 16mm varieties. Perfect for crankshaft engines and motorcycles. Note that this tester is specifically designed for automotive engines and may not be suitable for shorter spark plugs in lawn mowers, chainsaws, or small motors. Contact us if you're unsure.

High-Visibility Indicator and Durable Material

The spark plug tester features a high-voltage indicator for easy status monitoring. Crafted from high-quality ABS material, it offers durability and resistance to impact, heat, and cold, ensuring reliable performance.

Easy to Use and Plug and Play

Simply insert the spark plug, close the protective cover, connect the power, and adjust the frequency for a straightforward testing process. Safely observe the spark plug test status through the indicator and cover. Note that the package does not include spark plugs.

2-Year Warranty for Assurance

We stand behind our product with a 2-year warranty, ensuring your satisfaction. Our technical team is available 24/7 to address any questions or concerns you might have.