Best Compression Gauges 2026

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Last Updated - 27.03.2026

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01

LIDOUYA

TU-21 Cylinder Leak Tester Car Kit Petrol Engine Compression Tester Double Pressure Gauge Leakdown Detector Tool Set for Pressure Test & Leak Rate Test with Extension Rod, 0-100PSI | 0-7Bar

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11% Off
9.8

Exceptional

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Main highlights

Multiple adaptors: The leak tester gauge has a wide range of adapters for compression testers, including 4 sizes of thread adapters for different spark plug holes, M10 thread for motorcycles and M12/M14/M18 threads for automobiles. Compression tester has a wide range of adapters for compression tester for domestic, European and Asian vehicles.
Efficient compression tester set: the compression tester kit is a professional diagnostic tool that can quickly and accurately determine the condition of the cylinder air leakage of the engine. Whether it is piston ring wear, valve wear, cylinder wall cracks or cylinder seal washouts and other common engine errors, this compression pressure gauge can be sharply detected, shorten the error diagnosis time and reduce repair costs.
Easy to use: Equipped with straight and angled quick couplings, the compression pressure gauge eliminates the need for complicated operating steps, which allows efficient installation and operation and improves the workflow in busy workshops. A portable case that attaches all accessories in place allows for easy storage and transport.
Compression meter: the unique design with two pressure gauges is a highlight of the TU-21 pressure loss leak tester. It can simultaneously monitor the pressure and leakage rate inside the cylinder, with a measuring range of 0-100 Psi/0-7 bar and 0-100% (accuracy: ±0.5%), which helps you quickly assess the operating condition of the cylinder, find out the pressure abnormality and significantly improve inspection efficiency.
Complete accessories: engine pressure loss tester is equipped with 18 inch rubber hose, flexible and durable, for easy use in tight spaces, AR2000 pressure control valve with precise pressure control, American gas plug and aluminium diffusion body to adapt to a variety of connection requirements. Whether it is complex repair scenarios or special inspection requirements, this tool package is easy to handle!

37,99 € 42,59 €(11% Off off)
Value for Money

02

VEVOR

VEVOR Compression Tester Compression Tester Pressure Gauge Tester Compression Gauge with a 80mm Pressure Gauge 0-1000PSI and 0-70Bar Compression Meter Includes 4x Adapters

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13% Off
9.7

Exceptional

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USER FRIENDLY OPERATION With an extra long 19.6 inch hose, as well as a high-quality pressure gauge and quick connect components, you can effortlessly operate the tester at any angle and position, greatly increasing your work efficiency.
High Adaptability Our diesel compression test kit contains 18 sets of special adapters, including quick coupling adapters and special adapters. Whether it is a standard vehicle model or a single piece, it can easily accommodate a wide range of vehicles.
DURABILITY AND LONG LASTING Our engine compression tester kit made of heavy duty brass is rust resistant. Combined with high-quality rubber hoses that can withstand high pressures and temperatures, stable performance in various working environments is ensured in the long run.
COMPATIBILITY WITH DIFFERENT CYLINDER TYPES The 18 special adapter kits easily fit diesel engines of various vehicle types, including trucks, tractors, motorcycles and other common vehicles.
Accurate Measurement Our diesel engine compression tester is equipped with a large diameter 80mm pressure gauge housed in a shock absorbing rubber housing. It has a double scale display of 0-1000 psi and 0-70 bar and provides more precise readings that help you diagnose the health status of the engine more accurately.

34,99 € 39,99 €(13% Off off)
03

HATANSE

HATANSE Compression Tester Compression Tester Petrol with 4 Adapters M10 M12 M14 M18 Measuring 0-20 Bar or 0-300 PSI for Car Truck Car Motorcycle (Red)

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9.4

Excellent

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Main highlights

Universal: with 2 x rubber cone adapters, which do not need to be screwed into the cylinder head, for compression tests on any engine. m10 for motorcycles, m12 / m14 / m18 for cars
Professional measurement: the pressure gauge comes with two test pressures: 0 - 300 PSI / 0 - 21 kg / cm2, 0-20 bar
Practical: allows accurate measurement of engine compression pressure, detection of wear and leaks on piston rings and valves as well as detection of a variety of common engine faults
High quality: with full copper plating to resist oxidation and corrosion. And comes with a protective rubber coating to prevent scratches
Complete set: 1 x pressure gauge, 1 x straight rubber cone adapter, 1 x curved rubber cone adapter, 4 x brass adapters and 1 x 17 inch extension hose
Accurate measurement: the adapter is equipped with a rubber seal that ensures a tight closure and reliable measurement. The pressure gauge holds the pressure until it is easily reset with the push of a button

15,99 €
04

ATPEAM

ATPEAM Compression Tester Kit, Engine Compression Tester Tester Tester Car 0-20Bar / 0-300PSI Compression Tester with 4 Adapters M10 M12 M14 M18 (Red)

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9.3

Excellent

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Main highlights

Reliable compression test for petrol engines: With the compression tester you can quickly and accurately check the cylinder pressure of your engine. Ideal for diagnosing worn piston rings, leaking valves or defective cylinder head gaskets.
EASY TO USE, STRONG IN PERFORMANCE The compression tester connects effortlessly and maintains the pressure value until manually deflated. So you can comfortably check the compression of each cylinder bank and compare it with manufacturer values.
EASY TO READ DUAL INDICATOR COMPRESSION GAUGE - The 3 inch pressure gauge shows the pressure in two units (0-300 PSI / 0-20 bar) and is equipped with a shock-resistant rubber sleeve for optimal readability and durability even with regular use.
Conveniently stored in a robust transport case: all components are neatly stored in the shockproof PVC case. The compression tester is ideal for mobile use in the garage, workshop or on the go.
COMPLETE KIT FOR VERSATILE APPLICATIONS The compression tester includes a hose with quick coupling, two rubber cone adapters (straight and bent), and four thread adapters (M10, M12, M14, M18), which is suitable for most cars, motorcycles, scooters, ATVs and more.

14,99 €
05

DAYUAN

DAYUAN Compression Tester Set Compression Tester Engine Compression Test Measure Car M10 M12 M14 M18 0-20 bar & 0-300 psi

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9.2

Excellent

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Includes 2 elastic ends for quick check (no need to thread these into the head).
Includes 14mm and 18mm spark plug adapters
Features: M10, M12, M14, M18 (plug, with "O" ring).
Adaptor for a variety of vehicles (spark plugs/depths).
3" gauge has dual color scale with 0-300psi, 0-20Kpa.

20,59 €
06

Awsuc

Awsuc Compression Tester Compression Meter for Petrol and Diesel Engine Oil Pressure Gauge Car Motorcycle Compression Test Measure 0-20 Bar or 0-300 PSI Meter Pressure Tester M10 M12 M14 M18

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9.1

Excellent

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Main highlights

Various compression tester adapter includes 4 sizes of thread adapters for different candle holes, the M10 thread is suitable for motorcycles, the thread M12 / M14 / M18 is suitable for cars.
Professional pressure gauge with two test pressures: 0-300 psi, 0-20 kg/cm²
Professional Compression Tester Kit The compression tester kit is a professional tool to quickly and accurately measure the pressure on the cylinder of the petrol engine. It is suitable for petrol engines on motorcycles, cars, trucks, ATVs and any other vehicle.
Easy to carry. The portable carry bag is made of high-quality PVC, keeps all accessories in place and protects the indicators during storage and transport.
Complete kit for most applications. The cylinder pressure gauge kit includes a cylinder pressure gauge, 2 tapered rubber ends, a 4 metal adapter and a 14 inch extension hose to meet all your practical needs. Widely suitable for most types and spark plugs with depth well on the petrol gas cylinder, which is common in motorcycles, cars, ATV, snowmobiles, dirt bikes, lawn mowers, brush cutters. Seaws etc.

16,49 €
07

BGS

BGS 9669 | Compression Tester Kit for Petrol Engines

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9.0

Excellent

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With pressure relief valve
Spark plug thread adaptor: M10x1.0 - M12x1.25 - M14x1.25 - M18x1.5
Pressure clock scale: 0-300 psi / 0-2000 kpa (0-20 bar)
For compression measurements with adapter hose or rubber cone measuring tube
Box contents: pressure gauge with quick coupling and pressure relief valve, connection hose with quick coupling, compression test tube, straight, compression test tube, angled, spark plug thread adapter M18 x 1.5, spark plug thread adapter M14 x 1.25, spark plug thread adapter M12 x 1.25, spark plug thread adapter M10. x 1.0
Analogue pressure gauge

30,94 €
08

Swpeet

Swpeet Automotive Compression Tester Kit and Spark Plug Tester with Steel Metric and Imperial Feeler Gauge Assortment Kit, Universal Car and Motorcycle Engine Testing Tools, Pack of 10

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8.9

Very Good

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What you get: In this kit, you will get 10 pieces automotive compression tester kit and spark plug tester with steel metric and imperial feeler gauge assortment kit, including 1 x steel metric and imperial feeler gauge; 1 x spark plug tester; 1 x pressure gauge; 1 x straight rubber cone adapter; 1 x curved rubber cone adapter; 4 x brass adapter - M10, M12, M. 14, M1, M8; 1 x 14 inch extension trousers. Intotal 10Pcs can meet all your Automotive Compression Tester needs.
Extra Value with Spark Plug Tester -------- The spark tester is a must have diagnostic tool for engine which has a spark plug, you can diagnose ignition or engine outboard motor issues and a fault in the fuel delivery system quickly and easily; If spark is being sent, the tester will mirror the spark and you can see it light up, therefor you can find dirty spark plugs, defective points, bad cables or connections, etc.
Complete Accessories -------- Select high-quality metal materials, 4 adapters to fit most brands and models, suitable for most gasoline and small diesel engine cars, motorcycles, boats and other vehicles, as long as the adapter can match your engine and The oil pressure does not exceed 140PSI, each marked with a number, stored in a fixed position in the red case for easy selection.
300psi Dual Units Gauge with 3" Dial --------- Easy to read this compression gauge which comes with 0 - 300 PSI and 0 - 20 kg/ cm square dual units, the gauge cover is protected by an anti-scratch coating and rubber protection to absorb shocks; Plus, all the items are contained in an ABS case for easy storage, the fittings can accommodate most or all of your needs for most good engines overall kit kit overall kit kit overall age.
1 x steel 32 blades metric and imperial feeler gauge. Radius gauge are made of high quality durable stainless steel, heat processed with chrome finish, which is high hardness and not easy to deform. Useful for tool and mold manufacturers, mechanics and many other workers to check the tool radius of the meter, measure the thickness or width of screw, valve, bearing ect.

24,99 €
09

HATANSE

HATANSE Compression Tester Petrol with 4 Adaptors M10 M12 M14 M18 Measuring 0-20 Bar or 0-300 PSI for Car Truck Car Motorcycle (Blue)

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11% Off
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Universal: with 2 x rubber cone adapters, which do not need to be screwed into the cylinder head, for compression tests on any engine. m10 for motorcycles, m12 / m14 / m18 for cars
Professional measurement: the pressure gauge comes with two test pressures: 0 - 300 PSI / 0 - 21 kg / cm2, 0-20 bar
Practical: allows accurate measurement of engine compression pressure, detection of wear and leaks on piston rings and valves as well as detection of a variety of common engine faults
High quality: with full copper plating to resist oxidation and corrosion. And comes with a protective rubber coating to prevent scratches
Complete set: 1 x pressure gauge, 1 x straight rubber cone adapter, 1 x curved rubber cone adapter, 4 x brass adapters and 1 x 17 inch extension hose
Accurate measurement: the adapter is equipped with a rubber seal that ensures a tight closure and reliable measurement. The pressure gauge holds the pressure until it is easily reset with the push of a button

15,99 € 17,99 €(11% Off off)
10

ZKTOOL

ZKTOOL 11 Piece Car Compression Tester Set for Petrol Engine 0-300 PSI / 0-20 Bar, Car Petrol Engine Compression Tester, Petrol Engines Cylinder Compression Gauge, Cylinder Pressure Compression Meter

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Service】ZKTOOL aims to provide professional and comprehensive car repair tools and services in the car repair industry. If you have any questions, please contact us by email. We offer the best solution. Service: If you are not satisfied with this product, we offer you warranty, return and exchange as well as a detailed instruction manual in the package.
Wide range of applications: petrol engine cylinder: equipped with different sizes of rotary and plug-in adapters, widely used in most types of petrol petrol gas engine cylinders and deep spark plugs, which are common in motorcycles, lawn mowers, cars and trucks, ATV and many more. Not suitable for diesel engines.
Stable quality tester: Maximum 300 PSI or 20 BAR double pressure device, with easy-to-read large dial, acrylic glass gauge cover with scratch-resistant coating and rubber protective case with excellent shock absorption performance. The built-in check valve with pressure retention function ensures that the pressure gauge receives the maximum pressure on the spark plug during the compression process.
Comprehensive testing options: The cylinder compression tester kit is used to quickly and accurately test the cylinder pressure of petrol engines. Meter readings can help diagnose the following problems: stuck valve, carbon deposits, cracked cylinder head or defective main gasket, poor or worn installation of piston rings, burnt or damaged piston.
11-piece compression tester kit: 11-in-1 motor tester gauge kit including 1 piece spring buckle gauge; 5 pieces brass adapters M10, M12, M14, M16 and M18, widely used; 1 piece 200 mm metal extension rod connector; 2 pieces 50 mm metal aluminium rod straight and curved rod. 1 piece Extension rod hose with M12 x 1.25 thread.

28,59 €