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The Best Napa Leak Down Tester of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Napa Leak Down Tester of 2023. Check our ranking below.
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- Cylinder Leak Tester Kit:This compression test kit is designed to detect a variety of common engine faults. It can directly display the pressure value and leakage rate of the tested cylinder
- Cylinder Dual Gauge Leak Tester Kit Versatility. Suitable for any gasoline engine with 10, 12 or 14 mm spark plugs. Ideal tool for motorcycles, trucks and cars.
- Function of Cylinder Leakage Tester Kit: Used in automobiles to detect engine faults such as worn piston rings, cracked cylinder heads, worn valves and cracked head gaskets.
- Measuring range: clear dial, very easy to read the scale, one reads the going in pressure and the other is used to measure the leakage pressure, measuring range is 0-100 psi / 0-7 bar and 0-100% (Accuracy: ±0.5%)
- Guarantee: If you have any questions you can contact us in time, your satisfaction and recognition is our eternal pursuit. The product can be returned unconditionally within one month and we also provide one year warranty.
- The 10PCS leak down tester kit includes different type connectors to give you more options and a better repair experience.
- Convenient dual gauge design allows the leak down tester gauge assembly to directly show you the pressure value and leak rate of the tested cylinders.
- Leak down tester gauge also equipped with pressure regulating valve,used for pressure adjustment of the input air from the air compressor. Pull out for use, and push back to lock.
- Constructed with aluminum and rubber, straight / angled type universal push-on connectors don't need to be threaded into spark plug wells and applicable to almost all petrol engines
- Coming with carrying case, you can easily organize every piece of this set in an orderly manner, ready for your next job. The kit can also be protected during storage to avoid damage or loss.
- Cylinder leak down tester,compression test kit -Engine Cylinder Dual Gauge Leakdown Tester kit Diagnostics Tool
- UNIVERSAL FITMENT. Suits all local and imported cars and trucks, ideal for testing trucks and car models where clearance is minimal. check the amount of leakage in 4-stroke engines.
- Designed to detect a variety of common engine faults such as worn piston rings, cylinder head cracks, worn valves and blown head gaskets. It checks the amount of leakage in an engine cylinder and helps determine the source.
- PACKAGE CONTENTS: 480mm flexi hose, 12mm and 14mm spark plug adapters, fixed short connector M14 x 26mm, fixed long connector M16 x 26mm, pressure gauge, cylinder leakage gauge, air regulator, instructions, and carrying case
- GUARANTEE. We provide our worry-free 24-Hour reply, 30-Day Refund
- COMPLETE TEST KIT: OMT's leak down tester covers everything you need for quickly detecting cylinder leakage, including easy-to-read pressure and leakage gauges, a spark plug tester, adapters, and more
- VERSATILE USE: This automotive leak down tester works with gasoline engines on a wide range of vehicles, from cars and trucks to ATVs, UTVs, motorcycles, and lawnmowers, thanks to the built-in M14 connector and the provided M10 & M12 adapters
- PRECISE READINGS: The dual gauges of our cylinder leakage tester tool feature shockproof rubber casings and extra large 2.7 inch dials, ensuring optimal precision and convenience
- ENHANCED ACCURACY: The included spark plug tester allows you to troubleshoot late timing, ignition failures, or defective connections with ease, enhancing the overall accuracy of your results
- LAST FOR YEARS: Made of premium aluminum alloy and designed to resist wear, shock, torsion, and corrosion, this professional air cylinder test kit is built to last for years of dependable service
- Engine Cylinder Leak Down Tester: Leakdown gauge tool hooks up to air compressor(prepare by yourself) can help to detect common engine faults such as worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets
- Dual Gauge: Allows the compression gauge tool to test the pressure and leak rate of the cylinder under test at the same time. Ranging from 0-100 psi / 0-7 bar and 0-100%(Accuracy: 0.5%). Suitable for most gasoline engines with spark plugs(within 20mm)
- Package: On the basis of a common set(1 pcs double gauge maniflod,1 pcs rubber hose and 2 pcs metal adapters included), the tool kit adds 2 pcs universal push-on connectors, 2 pcs threaded adapters, 1 pcs M14 extension rod, and 1 pcs extension hose
- Gauge: Manifold assembly with 18 inch hose, AR2000 pressure regulating valve, American type air plug and manifold body. Valve knob is used for pressure adjustment of the inputed air from the air compressor. Pull out for use, and push back to lock
- Accessories: Straight and angled type universal push-on connectors don't need to be threaded into spark plug wells and applicable to almost all petrol engines, and M14 aluminum extension rod can be installed on long or short hose(41-3/4"; 11-1/2") end
Last update on 2025-07-29 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: How does a cylinder leak down test work?
A: This cylinder leak-down tester gauges leak-down tests more accurately than standard compression tests! Pressurized air is supplied to each cylinder and in moments displays a rate of leakage measure from 0 to 100%. The leak tester includes 12mm x 14mm spark plug adapters; Quick-connect/disconnect 3/8 in.
Q: How to test for a leak in an engine?
A: Complete combustion leak tester. No additional tools needed & no need to tap into an engine vacuum source. Tests for blown head gasket, cracked head or block, pulled bolts or studs, warped sealing surfaces. Fluid turns from blue to yellow when a combustion leak is present.
Q: How does a combustion leak tester work on a car?
A: The first chamber will filter out any alkaline particles that could result in a false indication of a combustion leak. Test results in the second chamber will provide a true indication of a combustion leak. Works on gasoline & diesel engines. Positive proof that a leak is present is when the tester fluid changes color.