Best Compression Gauges with Fittings of 2025

The OC-PRO Compression Fittings are designed for easy assembly without the need for flaring, making them ideal for 3/16" tubes. They are suitable for use with copper, copper-nickel, and steel pipes, providing versatility for your plumbing needs. Each pack contains five connectors, allowing you to tackle multiple projects with ease. The compact size of 344mm x 12mm ensures they fit into tight spaces, making your installations more convenient.

The FreeTec Compression Tester is an essential tool for checking the cylinder compression of various vehicles. It comes with adapters for multiple spark plug types and depths, making it versatile for different engines. The inclusion of two rubber cone ends enables quick checks without the need to thread into the head, saving you time and effort. Its 3-inch gauge features a dual colour scale ranging from 0-300 PSI and 0-20 kPa, providing clear readings of your engine's performance.

The FreeTec Diesel Tester is an essential tool for measuring the maximum pressure during the compression stroke of each cylinder, helping you assess your engine's performance. Made from quality materials, including heat-treated steel and durable copper, it ensures long-lasting use. The included pressure gauge provides accurate readings up to 1000 psi, while the 35 cm hose with quick coupling and pressure relief valve makes repeated tests straightforward. You’ll also benefit from the 90° elbow fitting, allowing you to conduct tests in tight spaces with ease.

The Dorman Compression Fitting offers a versatile selection of styles, including elbows, unions, and tees, catering to your specific plumbing needs. With a wide range of tube diameters and pipe sizes, you can easily find the right fit for your project. Additionally, this product comes in various piece counts, making it convenient for both small and large tasks. It is also designed for a broad spectrum of industrial and commercial applications, ensuring you can use it in multiple settings.

The WiMas Compression Tester is an essential tool for testing the cylinder pressure of petrol engines in cars and motorcycles. It features a 300PSI spring buckle gauge with a triple scale, allowing you to obtain accurate readings. With various adapters included, you can easily connect to different engine types, ensuring versatility. The compact storage case keeps all components organised, making it convenient for transport and use. This comprehensive kit helps you quickly diagnose engine issues, saving you time and effort in maintenance.

The Qnkaa Compression Tester Kit offers essential tools for measuring engine compression. The compression gauge retains pressure values, making it easy for you to monitor readings with a quick push button release valve. Its large 3-inch gauge, protected by a rubber cover, ensures durability and shock-absorption while allowing for easy reading with a two-colour scale. The kit includes two rubber cone ends, which simplify the connection process as they do not require threading into the head. Additionally, the 16-inch flexible extension hose provides versatility in accessing hard-to-reach areas.

The DASBET Compression Tester is an efficient tool for accurately measuring petrol engine cylinder pressure. With its dual colour scale gauge, you will find it easy to read measurements ranging from 0-300 psi. The tester is designed for user convenience, featuring two universal rubber cone adapters and an extended hose to access tight spaces. You’ll appreciate the quick connection coupler, which simplifies setup and allows for effective diagnostics of wear and leaks in engine components.

The Parts Compression Tester is a comprehensive kit designed for quick and accurate inspection of petrol engine compression. It includes essential tools like rubber cone ends for easy diagnosis without threading into the head. The compact design ensures easy portability and safe storage, making it convenient for home mechanics. With a range of fittings and spark plug adapters, you can carry out diagnostics and repairs on various petrol engines, ensuring your vehicle runs smoothly.

The Swpeet Compression Tester Kit offers a comprehensive set of tools for diagnosing engine issues. It includes a steel feeler gauge, which helps you accurately measure tool radii and dimensions, ensuring precise adjustments for your vehicles. The spark plug tester allows you to quickly identify ignition problems, making it easier to spot faulty spark plugs or connections. The dual units pressure gauge is easy to read and designed for shock resistance, allowing you to assess engine performance efficiently. This kit is ideal for both car and motorcycle maintenance.

The BOOMSTART Compression Tester is an essential tool for assessing the pressure of petrol engine cylinders. With brass fittings for M10, M12, M14, and M18 engines, it ensures compatibility with a wide range of vehicles, including cars, trucks, and motorcycles. The quick operation feature provides two connectors with rubber tapered ends, allowing for effortless checks without the hassle of threading. Additionally, the dual colour pressure gauge offers clear readings from 0 to 300 psi, making it easy for you to monitor your engine's health.