Leakdown Tester and Accessories

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leakdown.jpg Dual Gauge Leakdown Tester

Select a leakdown tester assembly for either 10mm, 12mm or 14mm spark plug

To read more about the Dual Gauge Leakdown Tester, including operation instructions, click here.

leakdownhose.jpg Additional Hoses for the Dual Gauge Leakdown Tester

Choose from 10mm, 12mm and 14mm. This is a measurement of your engine's spark plug thread diameter - not the diameter of the hose. NGK plugs starting with "C" are 10mm. Starting with "D" are 12mm. If you use a brand other than NGK you will have to remove the plug and measure the thread diameter.

extensionhose.jpg 30" Leakdown Tester Extension Hose $24.95

This 30" leakdown tester extension hose comes with the proper quick-disconnect fittings assembled.