You are here: HomeShop by BrandAircraft Tool Supply CompanyEngine Compression Testers

Engine Compression Testers

You can’t go wrong when you buy your aircraft maintenance tools and supplies from the skygeeks pilot shop. We have aviation tools that will meet all of your specific requirements. When it comes to engine compression testers, the Geeks have you covered!

We carry a nice catalog of ATS and Eastern Technology engine compression testers. We also have engine test kits that give you all the engine testing equipment you will ever need in one convenient tool box. Finally, you can also find a vacuum gauge and fuel pump tester and plug adapters for the pressure tester in this section of engine compression testers and other aircraft supplies. Come to the SkyGeeks to get all of the aviation tools and avionic supplies geek pilots and aircraft maintenance professionals need to keep their aircraft parts in tip top shape!

Questions? Contact the Sky Geeks Pilot Shop Customer Service Via Email or Phone

If you have any additional questions, we encourage you to contact our knowledgeable and friendly customer service experts via SkyGeek Customer Care Options.

ATS 18mm Differential Cylinder Pressure Tester comes complete with on-off safety valve to eliminate hose pressure when disconnecting from the cylinder. Can be used to check intake or exhaust valves, cracked or worn rings, defective cylinders, worn bushings, etc.
ATS 14mm Differential Cylinder Pressure Tester comes complete with on-off safety valve to eliminate hose pressure when disconnecting from the cylinder. Can be used to check intake or exhaust valves, cracked or worn rings, defective cylinders, worn bushings, etc.
ATS Large Bore Differential Cylinder Pressure Tester for engines with bore diameters over 5" per FAA AC43-13. Includes on-off safety valve to eliminate hose pressure when disconnecting from the cylinder. Can be used to check intake or exhaust valves, cracked or worn rings, defective cylinders, worn bushing
ATS Pressure Tester Conversion Kit contains all the components needed to convert Aircraft Tool Supply's model 2E Differential Cylinder Pressure Tester into a pressure tester with a built-in master orifice.
ATS Differential Pressure Tester with Master Orifice combines the features of our popular 2E tester and a Master Orifice into one tool. Now you can conveniently check the calibration of your pressure tester before each use.
ATS Large Bore Differential Pressure Tester with Master Orifice for engines with bore diameters over 5" per AC43.13. Our new Differential Cylinder Pressure Tester combines the features of our popular 2E tester and a Master Orifice into one tool. Now you can conveniently check the calibration of your pressure tester
Eastern Technology Model E2A Differential Cylinder Pressure Tester: Eastern Technology's Differential Cylinder Pressure Testers quickly locate worn and cracked rings, defective intake and exhaust valves, scored and cracked cylinders, leaky head gaskets, and worn and stripped spark plug bushings; virtually every potential cause of pressure loss.
Eastern Technology Model E2A-1000 Large Bore Differential Pressure Tester: Eastern differential pressure tester features the new "slow fill" valve to control the rate of airflow to the cylinder. This is the industry standard pressure tester. Note: for with bores over 5" dia per AC43.13.
Eastern Technology Model E2M Differential Cylinder Pressure Tester: Eastern Technology's Differential Cylinder Pressure Testers quickly locate worn and cracked rings, defective intake and exhaust valves, scored and cracked cylinders, leaky head gaskets, and worn and stripped spark plug bushings; virtually every potential cause of pressure loss.
ATS EK5 Engine Test Kit: Contains: 2E, LED52, Eastern E25, Eastern E5, & 19000 tool box. The new ATS engine test kit has all the test equipment need in one tool box to check engine compression, synchronize magnetos, time aircraft engines, and test the aircraft ignition leads.
ATS EK5EM Engine Test Kit: Contains: 2EM, LED52, Eastern E25, Eastern E5, & 19000 tool box. The new ATS engine test kit has all the test equipment need in one tool box to check engine compression, synchronize magnetos, time aircraft engines, and test the aircraft ignition leads.
Aircraft Tool Supply Deluxe Spark Plug Kit
ATS Spark Plug Field Kit: The Aircraft Tool Supply Spark Plug Field Kit contains everything you need to keep your spark plugs working in tip-top condition. It includes a spark plug cleaner, socket, dental picks, lubricant, inspection magnifier, spark plug tray, and a gapping kit.
Vacuum Gauge and Fuel Pump Tester: Easy reading gauge assures accurate vacuum and pressure check.
10mm Plug Adapter for the 2E Pressure Tester
12mm Plug Adapter for the 2E Pressure Tester
14mm Plug Adapter for the 2E Pressure Tester
18MM Plug Adapter for the 2E Pressure Tester
The ATS Master Orifice Tool is required by Continental’s SB03-3 Service Bulletin. Use it with Eastern’s E2, or our own 2E Differential Pressure tester to determine the calibrated leakage reading prior to testing. Precision machined from non-sparking brass.
The SPX Master Orifice Tool is required by Continental’s SB03-3 Service Bulletin. Use it with Eastern’s E2, or our own 2E Differential Pressure tester to determine your calibrated leakage reading prior to engine testing. Precision machined from steel alloy and plated.
12MM Compression Whistle Adapter that helps you detect the compression stroke of your engine. Just remove one of the spark plug from the #1 cylinder, insert this tool, then rotate the prop and listen for the whistle.
18MM Compression Whistle Adapter adapts the Compression Stroke Whistle (p/n 7882) for use with standard aviation 18mm plugs.
14MM Compression Stroke Whistle that helps you detect the compression stroke of your engine. Just remove one of the spark plug from the #1 cylinder, insert this tool, then rotate the prop and listen for the whistle.