Engine Compression Tester Kit 50 Bar Petrol & Diesel

An engine compression tester kit used for checking compression pressure on petrol and diesel engines up to 50 bar. It is suited to fault-finding when dealing with hard starting, low power, uneven running or suspected compression loss across a range of engine types.

Used for vehicle maintenance, servicing and diagnostic work, this kit helps when assessing engine condition before deeper strip-down or repair. It is suitable for use on most cars, trucks, buses, agricultural and marine engines, making it useful in garages, workshops and for mechanics carrying out regular inspection work on mixed vehicle fleets. The included adaptors also make it relevant for both petrol spark plug applications and diesel glow plug or injector testing on many modern and older engines.

Compression pressure testing is covered up to 50 bar, with quick couplings for straight or angled versions to help when access around the engine bay is restricted. The kit includes glow plug adaptors, spark plug adaptors in M10, M12, M14 and M18, plus injector adaptors in M20, M22 and M24, along with stanadyne injector coverage and an additional pressure gauge for pressure drop testing. That spread of fittings helps cover a wide range of common testing jobs without needing separate adaptors, which is useful for regular diagnostic work across different vehicles and engine layouts.

Engine compression tester kit specifications

• Pressure range: Suitable for compression testing up to 50 bar.
• Covers: Petrol engines, modern HDI and TDCI pump injector systems, and older diesel engines.
• Gauge: 70mm diameter, with rubber protection.
• Leak tester gauges: 70mm leak percentage gauge reading 0-7 bar and 40mm compression gauge reading 0-7 bar / 0-100psi.
• Air inlet pressure: 6-12 bar.
• Hose lengths: 520mm compression gauge hose, 460mm extension hose and 250mm M14 spark plug adaptor hose.
• Vehicle makes: Suitable for Alfa, BMW, Chrysler, Daewoo, Fiat, Ford, Hyundai, Isuzu, Land Rover, Mazda, Mercedes-Benz, Mitsubishi, Nissan, Opel, PSA, Renault, Saab, Suzuki, Toyota, VAG, Vauxhall and Volvo engines.

Diesel compression tester adaptors and connections

• Spark plug adaptors: Includes M10, M12, M14 and M18 sizes.
• Glow plug adaptors: Includes M8 x 1.00, M10 x 1.00, M10 x 1.25, M12 x 1.25, M20 x 1.50, M22 x 1.50, M24 x 1.50 and M24 x 2.0 sizes.
• Injector fittings: Includes M20, M22, M24 and stanadyne injector adaptors.
• Design: Quick couplings supplied for straight or angled connection, plus an additional gauge for pressure drop testing.
• Fitment: The petrol compression tester includes M10, M12, M14 and M18 spark plug adaptors.

A practical choice for regular maintenance and engine diagnostic work.