Updated: 27 Feb 2025

rotary engine compression testers

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Updated: 27 Feb 2025

#1

Best Choice
OTC 5605 Deluxe Compression Tester Kit with Carrying Case for Gasoline Engines

9.8

OTC

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Why we love it

Comes with multiple adapters for various engines.

Includes a long hose for easy viewing.

Durable case with removable lid for protection.

Main highlights

Complete Package for Compression Testing
OTCs Deluxe Compression Tester Kit offers a complete package for compression testing on gasoline engines and comes complete with standard and specialty adapters.

Versatile Engine Compatibility
Ideal for use on various gasoline engines including Ford Triton, Acura 1.8L, BMW, Stihl chainsaw, Seadoo, Mustang, and more.

Highly Praised Gauge Accuracy
Customers consistently praise the tester for its accurate readings, reliability, and ease of use, particularly highlighting the long flex hose and readable gauge.
#2

Value for Money
AUTOOL Digital Compression Tester Automotive Compression Gauge 0-426PSI 0~29bar for Petrol Engine Cylinder Compression Test Tool Kit with Adapters & Hoses, 6 Data Saving, Backlit Screen

9.5

AUTOOL

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Main highlights

【Smart Digital Gauge】The 2.8-inch backlit display shows clear, accurate data. Digital compression gauge has 0.01 display resolution instead of normal 1PSI display resolution compression tester. Measures real-time pressure value, average pressure value and temperature of the cylinder, as well as the measurement time.

【Easy Instant Read】With 3 different kinds of numerical units in PSI, Bar, and KG/CM², easy to control with buttons. The measurement range is 0-426.6PSI; 0-29.4BAR; 0-30KG/CM². Temperature units are switchable between Celsius and Fahrenheit.

【Data Saving】With data hold and save function, up to 6 sets of measurement data can be saved. Cylinder measurement data that can be easily recorded and viewed by the user. Compression tester with quick release valve button for fast pressure release.
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#3
Orion Motor Tech Engine Compression Tester Kit, 11 pc Cylinder Compression Tester Kit with Spark Plug Tester, Engine Cylinder Pressure Gauge for Gas Petrol Engines

9.4

Orion Motor Tech

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Main highlights

VERSATILE USE: Our cylinder compression tester works with gasoline engines on a wide range of vehicles including cars, trucks, ATVs, UTVs, motorcycles, lawnmowers, and more, thanks to the included push-on connectors and M10, M12, M14, M16, & M18 adapters

EASY TO READ: The dual movement fuel pressure gauge features a triple calibrated reading and a shockproof aluminum casing for optimal precision and convenience

COMPLETE TEST KIT: This engine compression tester kit by Orion Motor Tech comes with an easy-to-read pressure gauge, a spark plug tester, adapters, and everything else you need for checking your cylinder's condition on your own
#4
BETOOLL 13pcs Compression Tester with Spark Plug Tester - 300PSI Engine Cylinder Compression Gauge Automotive Tool

9.3

BETOOLL

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Why we love it

Versatile with 10 adapters for various engine types.

Includes spark plug testers for quick diagnostics.

User-friendly with single-handed operation design.

Main highlights

Versatile Compression Tester Kit
The 13pcs compression tester kit includes 10 adapters, suitable for car, ship, truck, lawn mower, ATV, and boat engines, offering wide compatibility.

Ideal for Home and Professional Use
Perfect for diagnosing cylinder and spark plug issues in various petrol engines, ensuring accurate and quick pressure readings up to 300 psi.

Highly Praised Quality and Functionality
Customers appreciate the good quality, functionality, and additional spark plug testers, highlighting the kit's reliability and value for both home and professional use.
#5
Prokomon 1000 Psi Diesel Engine Compression Tester for Most Diesel Fueled Trucks, Cars and Tractors

9.2

Prokomon

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Main highlights

Materials: Constructed of carbon steel and features a chrome plated gauge to get accurate measurements in harsh environments

Fuction: The diesel engine compression tester includes all the necessary components to test diesel compression on most diesel fueled trucks, cars and tractors

Accessories: Include a swivel end quick coupler for easy change out and connection of adapters. Dual scale 80 mm diameter Liquid Filled Gauge 0-1000 psi (0-70 bar), 14.5 inch long hose
#6
Diesel Engine Compression Tester Kit with 0-1000 psi Gauge and Adapters Cylinder Pressure Test Tool Kit Diesel Injector Tester Check Cylinders in Diesel Car & Truck

9.1

Handor

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Main highlights

Enhance Diesel Engine Maintenance: Handor Diesel Compression Testing Set offers versatile fittings for injector and glow plug replacements, streamlining your maintenance tasks.

Comprehensive Compatibility: With 9 glow plugs and 4 injector adaptors, our diesel compression tester suits a wide range of diesel vehicles, including trucks, cars, and tractors.

Accurate Pressure Measurement: The kit features a 0-1000 PSI/0-70 bar gauge with a release valve and flexible hose, ensuring precise pressure readings for effective diagnostics.
#7
Nilight Compression Tester, 11 PCS Engine Compression Tester Kit with Spark Plug Tester, Automotive Cylinder Pressure Gauge Tool Set for Gasoline Engines

8.9

Nilight

-11%

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Main highlights

Wide Applications: Accurate easy readings gauge up to 300 PSI/20BAR with different sizes rotary and push on connectors, quick installation with M10, M12, M14, M16, M18 adapters for wide applications. The extra spark tester helps check the condition of the ignition system quickly

Reliable Quality: Crafted with high-quality materials, acrylic glass gauge cover with anti-scratch coating and metal protective cover for superior shock-absorption. Treated with rust and corrosion protection for long-lasting performance. Built-in check valve with pressure-maintaining function, ensure the gauge gets max pressure at the spark plug during compression

Cylinder Pressure Tester Kit: Perform fast and effective compression pressure tests on gasoline engine cylinder, It is suitable for all small engine compression on cars, trucks, motorcycles, lawn mowers, boat motors, and more. Note: NOT FOR DIESEL ENGINE

-11%
#8
AZUNO Compression Tester Automotive, Digital Compression Gauge 200 PSI for Petrol Engine Cylinder Compression Tester Kit with Adapter & Hose

8.8

AZUNO

-30%

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Why we love it

Complete set with adapters and durable storage case.

Highly accurate readings with easy-to-read digital display.

One-year warranty with reliable customer support.

Main highlights

Complete Package for Compression Testing
Deluxe Design Set includes 4 adapters, 16-inch flex hose gauge assembly with quick coupler, and a deluxe case.

Ideal for Various Gas Engines
Perfect for testing 4 wheelers, dirt bikes, and other gas engines. Compact case for easy storage and portability.

Highly Accurate and Easy to Use
Customers praise its accuracy, ease of use, and well-made design. Features like the backlit LCD screen and durable build are frequently highlighted.

-30%
#9
Multi-Function Cylinder Leak Down Tester Automotive Kit,Gasoline Engine Compression Tester,Dual Gauge Leakdown Detector Tool Set for Pressure Check & Leakage Rate Test on Cars,Motorcycles,Trucks...

8.7

TradeINArt

-26%

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Why we love it

The 10PCS leak down tester kit includes different type connectors to give you more options and a better repair experience.

Convenient dual gauge design allows the leak down tester gauge assembly to directly show you the pressure value and leak rate of the tested cylinders.

Leak down tester gauge also equipped with pressure regulating valve,used for pressure adjustment of the input air from the air compressor.

Main highlights

The 10PCS leak down tester kit includes different type connectors to give you more options and a better repair experience.

Leak down tester gauge also equipped with pressure regulating valve,used for pressure adjustment of the input air from the air compressor. Pull out for use, and push back to lock.

Convenient dual gauge design allows the leak down tester gauge assembly to directly show you the pressure value and leak rate of the tested cylinders.

-26%
#10
Lichamp 12pcs Compression Tester Adapter Kit with Spark Tester, Automotive Engine Cylinder Leak Down Compression Test Motor Pressure Gauge

8.6

Lichamp

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Why we love it

Accurate pressure readings for diagnosing engine issues.

Comes with multiple adapters for various gasoline engines.

Easy-to-read gauge with dual pressure units.

Main highlights

Quick and Accurate Testing
This cylinder compression tester kit is designed for quick and accurate pressure testing on gasoline engine cylinders, assisting in diagnosing valve, gasket, and piston issues.

Versatile Gasoline Engine Applications
Suitable for most gasoline engines, including motorcycles, cars, trucks, lawn mowers, and ATVs, with various adapters for different spark plug sizes and depths.

Ease of Use and Accuracy
Customers praised the kit for being easy to use and providing accurate readings, though some noted issues with the case and foam insert quality.

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rotary engine compression testers

OTC 5605 Deluxe Compression Tester Kit with Carrying Case for Gasoline Engines

9.8

Why we love it

Main highlights

AUTOOL Digital Compression Tester Automotive Compression Gauge 0-426PSI 0~29bar for Petrol Engine Cylinder Compression Test Tool Kit with Adapters & Hoses, 6 Data Saving, Backlit Screen

9.5

Main highlights

Orion Motor Tech Engine Compression Tester Kit, 11 pc Cylinder Compression Tester Kit with Spark Plug Tester, Engine Cylinder Pressure Gauge for Gas Petrol Engines

9.4

Main highlights

BETOOLL 13pcs Compression Tester with Spark Plug Tester - 300PSI Engine Cylinder Compression Gauge Automotive Tool

9.3

Why we love it

Main highlights

Prokomon 1000 Psi Diesel Engine Compression Tester for Most Diesel Fueled Trucks, Cars and Tractors

9.2

Main highlights

Diesel Engine Compression Tester Kit with 0-1000 psi Gauge and Adapters Cylinder Pressure Test Tool Kit Diesel Injector Tester Check Cylinders in Diesel Car & Truck

9.1

Main highlights

Nilight Compression Tester, 11 PCS Engine Compression Tester Kit with Spark Plug Tester, Automotive Cylinder Pressure Gauge Tool Set for Gasoline Engines

8.9

Main highlights

AZUNO Compression Tester Automotive, Digital Compression Gauge 200 PSI for Petrol Engine Cylinder Compression Tester Kit with Adapter & Hose

8.8

Why we love it

Main highlights

Multi-Function Cylinder Leak Down Tester Automotive Kit,Gasoline Engine Compression Tester,Dual Gauge Leakdown Detector Tool Set for Pressure Check & Leakage Rate Test on Cars,Motorcycles,Trucks...

8.7

Why we love it

Main highlights

Lichamp 12pcs Compression Tester Adapter Kit with Spark Tester, Automotive Engine Cylinder Leak Down Compression Test Motor Pressure Gauge

8.6

Why we love it

Main highlights

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