Quickly and Accurately Check Compression on Gasoline Engines. Gauge registers 0 - 300 P.S.I. and 0 - 2100 kpa. Fits 14mm and 18mm thread sizes.

Tester checks cylinder compression from 0 to 300 PSI (0 to 21 kg/cm2).

This versatile kit provides a quick method to obtain cylinder compression pressure on engines with deep, recessed spark plugs and difficult access.

OTC 5020 Diesel Compression Tester with Adapters - Easy-to-use compression tester is designed specifically for medium-duty diesel engines equipped with glow plugs. Dual reading gauge measures compression to 1000 psi and 7000 kPa. Gauge has a push-button release valve and quick disconnect fittings on the hose end. Tester comes with all the necessary glow plug and nozzle adapters in a handy storage case.

OTC 5021 Universal Diesel Engine Compression Gauge - Works on any diesel engine to test compression up to 1000 PSI and 7000 kPa. Features include a check valve, push button compression release, and a quick disconnect fitting on the hose end. Straight and 45° hose connectors are included.

OTC 5607 Compression Tester Ford Adapter - Use with OTC compression testers (or other compression testers with a 14mm thread) to access hard to reach spark plug holes.

OTC 6076 Ford Diesel Compression Test Adapter

OTC 6080 Master Cummins Diesel Fuel Injection Test Kit - Includes the fittings and gauge needed to check fuel pressure, fuel volume, and fuel restrictions from the delivery pump to the injection pump.

OTC 6088 Ford 5-pin Connector Harness for Glow Plug Testing

This comprehensive gasoline engine compression test kit features an electronic tester that memorizes the peak compression value for each cylinder. When testing is complete, the values can be quickly reviewed at the push of a button. Everything is included to perform wet and dry compression tests commonly used to detect ring or cylinder head problems, sticking valves, blown head gasket(s) and more. Includes adapters for use on motorcycles and marine and small engines, and an air-hold adapter for performing valve seal repairs without removing the cylinder head(s). Not for use on diesel engines.

This comprehensive diesel engine compression test kit features an electronic tester that memorizes the peak compression value for each cylinder. When testing is complete, the values can be quickly reviewed at the push of a button. The kit also includes two (2) injector adapters and four (4) glow plug adapters for testing most modern diesel cars and light trucks sold in the United States.