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Top 10 Leak Down Tester of 2020 – Consumer Guide & Reviews

Rank No. #1
OTC 5609 Cylinder Leakage Tester Kit , black
  • OTC's Cylinder Leakage Tester Kit quickly diagnoses internal engine problems like bad rings, valves, and leaking head gaskets and comes complete with adapters for most applications
  • Dual 2-1/2 inch gauges read 0-100 psi and 0-700 kPa and feature chrome bezels and rugged protective outer boots
  • Kit features a pressure regulated manifold with quick couplers, 24 inch long 14mm flex hose, and 10 mm, 12 mm, and 18 mm thread adapters
  • Rugged, blow molded storage case with removable lid keeps components organized and protected when not in use
  • Includes detailed instruction chart
Rank No. #2
Cylinder Leak Down Tester,Compression Test kit - Engine Cylinder Dual Gauge Leakdown Tester kit Diagnostics Tool.
  • Cylinder leak down tester,compression test kit -Engine Cylinder Dual Gauge Leakdown Tester kit Diagnostics Tool.
  • UNIVERSAL FITMENT. Suits all local and imported cars and trucks, ideal for testing trucks and car models where clearance is minimal. check the amount of leakage in 4-stroke engines.
  • Designed to detect a variety of common engine faults such as worn piston rings, cylinder head cracks, worn valves and blown head gaskets. It checks the amount of leakage in an engine cylinder and helps determine the source.
  • PACKAGE CONTENTS: 480mm flexi hose, 12mm and 14mm spark plug adapters, fixed short connector M14 x 26mm, fixed long connector M16 x 26mm, pressure gauge, cylinder leakage gauge, air regulator, instructions, and carrying case.
  • GUARANTEE. We provide our worry-free 24-Hour reply, 30-Day Refund.
Rank No. #3
Prokomon Cylinder Leak Down Tester,Compression Test kit -Engine Cylinder Dual Gauge Leakdown Tester kit Diagnostics Tool
  • ◇ FITS YOUR VEHICLE -- It is compatible with gasoline 4-stroke engines and 12mm or 14mm spark. As long your vehicle has a standard spark plug socket, this set will work for you
  • ◇ COMPARE CYLINDERS -- It best tests cylinder leak down and compression when comparing a suspect cylinder to a known good cylinder on the same engine
  • ◇ EASY TO USE -- Remove the valve and turn the regulator off before applying shop air. Install the hose to the cylinder, the unit to an air supply, calibrate the leak gauge, and connect the unit to the cylinder hose. Diagnosis is made by observing the amount of leakage indicated on the cylinder leakage gauge and listening for leakage at various points of the car system
  • ◇ Designed to detect a variety of common engine faults. including: Worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets
  • ◇ Suitable for use on any petrol engine with 12 or 14mm spark plugs. Tester checks the amount of leakage in an engine cylinder & helps determine the source. Ideal for testing trucks & late model cars where clearance is minimal
SaleRank No. #4
Lang Tools CLT-2 100 PSI Cylinder Leakage Tester with 2 Gauges
  • Measures the ability of an engine cylinder to hold compressed air- using shop air pressure- and supplements a compression tester
  • Package Dimensions: 5.842 L x 29.972 H x 20.32 W (centimeters)
  • Package Weight : 1.293 kilograms
  • Country of Origin : United States
Rank No. #5
New Leak Down Tester Tu-21 Engine Cylinder Leak Tester Leakage Detector Engine Compression Tester Gauges Set
  • FITS YOUR VEHICLE -- It is compatible with gasoline 4-stroke engines and 12mm or 14mm spark. As long your vehicle has a standard spark plug socket, this set will work for you.
  • COMPARE CYLINDERS -- It best tests cylinder leak down and compression when comparing a suspect cylinder to a known good cylinder on the same engine.
  • EASY TO USE -- Remove the Schrader valve and turn the regulator off before applying shop air. Install the hose to the cylinder, the unit to an air supply, calibrate the leak gauge, and connect the unit to the cylinder hose. Diagnosis is made by observing the amount of leakage indicated on the cylinder leakage gauge and listening for leakage at various points of the car system.
  • Designed to detect a variety of common engine faults. including: Worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets.
  • Suitable for use on any petrol engine with 10, 12 or 14mm spark plugs. Tester checks the amount of leakage in an engine cylinder & helps determine the source. Ideal for testing trucks & late model cars where clearance is minimal.
Rank No. #6
JIFETOR Cylinder Leak Down Tester Kit, Professional Dual Pressure Gauges Engine Compression Leakdown Detector Leakage Test Set for Gasoline Engine with 10 12 14mm Spark Plugs on Car Truck Motorcycle
  • ENGINE CYLINDER LEAKAGE TEST: JIFETOR cylinder leak gauge set is designed to detect a variety of common engine faults including: worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets. Available with either single gauge shows % of cylinder leakage, or twin gauge manifold show cylinder leakage and cylinder pressure. Suitable for any gasoline engine with 14, 12 or 10mm spark plugs. The % gauge is a precise instrument, please handle it with care
  • WORKING PRINCIPLE OF LEAKDOWN DETECTOR: Once the leakage tester has been connected to one of the cylinders, compressed air (45-100psi) is fed into that particular cylinder through the built in pressure regulator. Diagnosis is made by observing the amount of leakage that is indicated on the cylinder leakage gauge and by listening for leakage at various points of the cars system. Please note: This cylinder leak tester is not suitable for shallow cylinder.
  • DUAL PRESSURE GAUGES ASSEMBLY: There are American style air plug, pressure regulating valve, aluminum manifold body, cylinder pressure gauge, cylinder leakage gauge, 19" long rubber nylon resin hose with quick coupler on the assembly. The two gauges adopt rubber cover protected 3" large dial, the pressure gauge with scale range 0-100psi/0-7bar, and the leakage gauge with color coded range marked with HIGH MODERATE LOW SET.
  • 3 ADAPTERS AND OTHER PARTS: There are 3 sizes adapters brass coated aluminum 14mm(fixed on a 10" long hose), aluminum 12mm and 10mm (both can be connected to 14mm adapter), can help to test the gasoline engine with 10 12 14mm spark plugs. The instruction has detailed introduces about notification, connection method, operation steps, fault diagnosis, please read it carefully first. Customized blow molding case keeps everything in place and protects the gauges during storage.
  • SATISFACTORY CUSTOMER SERVICE: Please unscrew the adapter after the cylinder is cooled to prevent the hose from softening and not driving the adapter to rotate together. 30 days full refund with returned undamaged JIFETOR dual gauges gasoline engine cylinder leakage detector kit. Any quality related problem in 1 year, we will replace the fittings for free or refund. Any question, please feel free to contact us by email or amazon message system, we will reply ASAP in 24 hours.
Rank No. #7
BTSHUB Cylinder Leak Down Tester Kit Dual Pressure Gauges Tu-21 Gasoline Engine Leakage Detector with 10 12 14mm Spark Plugs
  • The cylinder leakage test gauge Kit is designed to detect common engine faults including: worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets.
  • Available with either single gauge shows % of cylinder leakage, or twin gauge manifold show cylinder leakage and cylinder pressure. Suitable for any gasoline engine with 14, 12 or 10mm spark plugs.
  • Dual pressure gauges: 1 Cylinder pressure gauge, 1 Cylinder leakage gauge. Features a 19" long rubber nylon resin hose with quick coupler on the assembly. Rubber cover protected 3" large dial, the pressure gauge with scale range 0-100psi/0-7bar, and the leakage gauge with color coded range marked with HIGH MODERATE LOW SET.
  • 3 sizes adapters: Brass coated aluminum adapters, 14mm(fixed on a 10" long hose), aluminum 12mm and 10mm (both can be connected to 14mm adapter), help to test the gasoline engine with 10 12 14mm spark plugs.
  • Ideal for testing trucks & late model cars where clearance is minimal. Please note: This cylinder leak tester is not suitable for shallow cylinder.
Rank No. #8
CHEINAUTO Cylinder Leak Down Tester Engine Compression Diagnosis Tester Kit Dual Pressure Gauges Engine Compression Leakdown Detector Leakage Test Set for Gasoline Engine
  • 【UNIVERSAL FITMENT】Suits all local and imported cars and trucks, ideal for testing trucks and car models where clearance is minimal. check the amount of leakage in 4-stroke engines.
  • 【FEATURE】Designed to detect a variety of common engine faults such as worn piston rings, cylinder head cracks, worn valves and blown head gaskets. It checks the amount of leakage in an engine cylinder and helps determine the source.
  • 【WORKING PRINCIPLE OF LEAKDOWN DETECTOR】 Once the leakage tester has been connected to one of the cylinders, compressed air (45-100psi) is fed into that particular cylinder through the built in pressure regulator. Diagnosis is made by observing the amount of leakage that is indicated on the cylinder leakage gauge and by listening for leakage at various points of the cars system. Please note: This cylinder leak tester is not suitable for shallow cylinder.
  • 【PROFESSIONAL LEAKAGE DETECT FUNCTION】: This cylinder leak tester checks the amount of leakage in an engine cylinder and helps determine the source. It is designed to detect a variety of common engine faults such as worn piston rings, worn valves, cylinder head cracks and blown head gaskets
  • 【EASY TO USE】Remove the Schrader valve and turn the regulator off before applying shop air. Install the hose to the cylinder, the unit to an air supply, calibrate the leak gauge, and connect the unit to the cylinder hose. Diagnosis is made by observing the amount of leakage indicated on the cylinder leakage gauge and listening for leakage at various points of the car system
Rank No. #9
FAERSI Cylinder Leak Detector - Engine Compression Diagnosis Tester Kit - Cylinder Leakage Pressure Detector Test Set for Piston Ring, Valve, Head Gasket
  • The Cylinder Leak Detector Kit is designed to easily detect a variety of engine faults, including worn piston rings, worn valves, cracked cylinder walls, and blown head gaskets.【Including】12-month WARRANTY, if you have any question, please feel free to contact us.
  • The Engine Compression Diagnosis Tester Kit also can check the amount of leakage and locate leaks area in an engine cylinder to help determine the source.
  • Suitable for work on any petrol engine with 12 or 14mm spark plugs, and ideal for testing trucks & late model cars where clearance is minimal.
  • The cylinder leakage pressure detector test set with a ABS plastic blow-molded case can keep the tools organized, safe storage and easy to transport.
  • Package include: 480mm hose, 12mm and 14mm spark plug adapters, fixed short connector, fixed long connector, Gauge (2-1/2”):0-100 psi(0-7bar), air regulator, instructions and carrying case.
SaleRank No. #10
ATD Tools 5573A 2-Gauge Cylinder Leakage Tester
  • 2-gauge design allows for monitoring of input air-line pressure to ensure accurate testing
  • Easy-to-use regulator allows for precise control of input air pressure
  • Helps to pin-point problems indicated by a compression test or cylinder balance test
  • Uses shop air to determine leakage source and the amount of leakage measured in percentage of loss
  • Reducer adapter allows use of any 1/4 inch male quick connect plug
Rank No. #11
WINMAX TOOLS AUTOMOTIVE Generic Tu-21 Cylinder Leakage Leakdown Leak Detector Engine Compression Tester Gauges
  • Designed to detect a variety of common engine faults including: Worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets.
  • Available with either single gauge or twin gauge manifold. Gauge(s) show % of cylinder leakage or cylinder leakage and cylinder pressure.
  • Suitable for use on any petrol engine with 12 and 14mm spark plugs.
  • TU-21 Cylinder Leak Detector Tester checks the amount of leakage in an engine cylinder & helps determine the source. Best used when comparing a suspect cylinder to a known good cylinder on same engine. Ideal for testing trucks & late model cars where clearance is minimal. Equipped with 2-1/2" input pressure gauge for proper leakage test setup and accurate results.
  • Pinpoint the source of compression problems by doing cylinder leak-down tests Works with domestic and import engines Input and leakage gauges with rubberized housing Air pressure: 0-7 BAR, 0-100 PSI Brass fittings Measures leak percentage from 0-100% 1/8" NPT manifold ports
Rank No. #12
Compression Tester Kit Automative, Digital Cylinder Leak Down Tester, Petrol Engine Cylinder Compression Tester Small Engine, Compression Gauge 200 PSI with Adapter & Hose for Car Truck Motorcycle
  • ★ Smart LCD screen: The engine Compression Tester uses high clear 3inch LCD screen, and supports PSI, KPa, Bar , Kgf/cm2 for unites displaying. The screen with blue back light is convenient to see under dark situation.
  • ★ Accurate Measurement: Digital Compression Tester has 0.5 display resolution. And the pressure gauge with scale range 0-200psi/0-14bar. Side bleeder valve allows repeated tests without disconnecting the hose.
  • ★ The gauge set can check valves and rings, inspect for carbon buildup and late timing. Kit includes 2 rubber cones ends for quick check.
  • ★ Complete Kit: Coming with four different sizes male adapters, including M10 1.00MM; M12 1.25MM; M14 1.25MM; M18 1.50MM. This Cylinder Leak Down Tester Kit is suitable for most car types. Includes 2 rubber cones ends for quick check.
  • ★ Function: The cylinder compression tester kit can check valves and ring. And detect a variety of common engine faults such as worn piston rings, cylinder head cracks, worn valves. It checks the amount of leakage in an engine cylinder and helps find the source.
Rank No. #13
ABN Cylinder Leak Detector & Engine Compression Tester Kit – Piston Ring, Valve, Head Gasket Diagnosis Leakage Test Set
  • DETECT ENGINE FAULTS: Use the ABN Cylinder Leak Detector Engine Compression Tester Kit to find worn piston rings, worn valves, cracked cylinder walls, and blown head gaskets; For American domestic and imported pickup trucks and late model cars with minimal clearance, gasoline (petrol) 4-stroke engine, and 12mm or 14mm spark plugs (fits into a standard spark plug socket); Tester checks the amount of leakage in an engine cylinder and helps pinpoint and determine the source of compression problems
  • TWIN GAUGE MANIFOLD: Shows pressure in PSI and Bar and percentage of cylinder leakage; Pressure gauge with dual scale reads from 0 to 100 PSI and 0 to 7 Bar; Cylinder leakage gauge measures leak percentage from 0 to 100 percent in set, low, moderate, and high levels; Both gauges have a 2.9-inch (7.4cm) diameter scale with protective shockproof rubber encasing bumper
  • EASY TO USE: Remove Schrader valve and turn regulator off (counterclockwise) before applying shop air to avoid damaging flow gauge; Install hose to cylinder, unit to air supply, calibrate leak gauge as instructed, connect unit to cylinder hose; Compressed air is fed into cylinder through built-in pressure regulator; Diagnosis is made by observing amount of leakage indicated on cylinder leakage gauge and listening for leakage at various points of car system
  • EASY STORAGE: Heavy-duty 14.8” x 3.1” x 10.75” inch (37.6cm x 7.9cm x 27.3cm) plastic blow-molded carrying case with handle for easy transportation, safe storage, and quick organization
  • PACKAGE CONTENTS: 480mm flexi hose, 12mm and 14mm spark plug adapters, fixed short connector M14 x 26mm, fixed long connector M16 x 26mm, pressure gauge, cylinder leakage gauge, air regulator, instructions, and carrying case
Rank No. #14
Proform 66839 Dual Gauge Leakdown Tester
  • Domestic Shipping:This item is available for shipping in t, Item Weight:1.65 pounds, Item Model Number:66839, Brand:ProForm
  • Shipping Weight:1.65 pounds, California Residents:Click here for Proposition 65 warning, Oem Part Number:66839
  • International Shipping:This item can be shipped to select count, Product Dimensions:120 x 132 x 48 inches, Manufacturer Part Number:66839, Mpn:66839
  • Fit type: Vehicle Specific
  • Package Dimension : 3.555 centimeters L x 24.384 centimeters W x 24.637 centimeters H
Rank No. #15
Qiilu Cylinder Leak Detector - Engine Pressure Gauge Compression Tester Kit for Piston Ring, Valve, Head Gasket Diagnosis Leakage Test Set
  • ★★★: Cylinder leak detector is designed to detect whether the cylinder leakproofness of the automobile engine is within the allowable leakage range, which can further judge the location and cause of the leakage from the fault condition analysis, so as to tak
  • ★★★: Double scale compression testers with measuring range of 0-7bar and 0-100psi, suit for any petrol engines fitted with 12mm or 14mm spark plugs.
  • ★★★: By comparing the normal cylinder pressure of the engine and the measured pressure to determine the leakage condition.
  • ★★★: Designed with rubber protective cover on the pressure gauge, anti-drop, anti-scratch, ensure the safety use.
  • ★★★: Supplied with a storage case for easy carrying and storage.
Rank No. #16
HFS(R Cylinder Leak Detector,Engine Compression Diagnosis Test Kit,Cylinder Leakage Leakdown Leak Detector Engine Compression Tester for Piston Ring, Valve, Head Gasket
  • [PRODUCT INCLUDE]: 480mm (18.9’’) hose, 12mm (0.47’’) and 14mm (0.55’’) spark plug adapters, fixed short connector, fixed long connector, Gauge (2-1/2’’): 0-100 psi(0-7bar), air regulator, instruction and a carrying case.
  • [FUNCTION]: The cylinder leak detector kit is designed to easily detect a variety of engine faults, including worn piston rings, worn valves, cracked cylinder walls, and blown head gaskets.
  • [DIAGNOSIS]: The engine compression diagnosis tester kit also can check the amount of leakage and locate leaks area in an engine cylinder to help determine the source.
  • [APPLICATION]: Suitable for working on any petrol engine with 12 or 14mm spark plugs, and ideal for testing trucks & late model cars where clearance is minimal.
  • [PACKAGE]: The cylinder leakage pressure detector test set with a ABS plastic blow-molded case can keep the tools organized, safe storage and easy to transport.
Rank No. #17
Innova 3613 OHC Compression Tester - 5 Piece Kit
  • Designed to perform compression tests on vehicles with difficult access points
  • Side-release valve allows repeated tests without disconnecting the hose
  • Includes 15-inch high pressure rubber hose with 12mm, 14mm and 18mm adapters
  • Also Includes 8-inch long reach adapter that can be used with any compression tester
  • Large, easy-to-read 2-1/2-inch dial face with dual-calibrated and color-coded scales
SaleRank No. #18
OTC 5605 Deluxe Compression Tester Kit with Carrying Case for Gasoline Engines
  • OTC's Deluxe Compression Tester Kit offers a complete package for compression testing on gasoline engines and comes complete with standard and specialty adapters
  • Kit includes the deep well connector used on recessed plug well style heads and the new Ford Triton engine adapter using 16 mm thread plugs
  • Adapters work on both flat and tapered seat plugs; corrosion resistant nickel plated finish protects metal components
  • Extra long 25 inch flex hose gauge assembly with quick coupler allows easy viewing out of cluttered engine compartments
  • Rugged blow molded hard case with removable lid
SaleRank No. #19
Lichamp 10pcs Compression Tester Adapter Kit, Automotive Engine Cylinder Leak Down Compression Test Motor Pressure Gauge
  • FUNCTIONS: TEST CYLINDER COMPRESSION --- This cylinder compression tester kit is used for testing pressure on gasoline engine cylinder quickly and accurately. The gauge readings assist to diagnose if there are following problems: valve sticking, carbon build-up, cracked cylinder head or defective main gasket, poorly seated or worn piston rings, burned or damaged piston.
  • APPLICATIONS: GASOLINE ENGINE CYLINDER --- Come with different sizes rotary and push on adapters, widely suitable for most types and depth spark plug well on gasoline petrol gas fuel engine cylinder, which is common in motorcycle, car, truck, lawn mower, ATV and so on. NOT FOR DIESEL ENGINE.
  • UNIVERSAL: INCLUDE 9 CONNECT ADAPTERS --- 10-in-1 engine tester gauge kit includes 1-piece spring buckle gauge; 5-pieces brass adapters M10, M12, M14, M16, M18 for wide applications; 2-pieces straight and angled connector for direct testing; extra long 8 inches extension tube and 16 inches extension hose for long reach testing.
  • RELIABLE: STABLE QUALITY TESTER GAUGE --- Max 300PSI or 20BAR dual pressure units with easy to read colored and large dial, acrylic glass gauge cover with anti-scratch coating and metal protective cover for outstanding shock-absorption performance. Build-in check valve with pressure-maintaining function, ensure the gauge gets max pressure at the spark plug during compression.
  • WARRANTY: WORRY FREE SHOPPING SERVICE --- If you aren't satisfied with your purchase, contact us through our email at any time you want, and we'll issue you a refund, to ensure you have a nice shopping experience in our store.
SaleRank No. #20
Lichamp 12pcs Compression Tester Adapter Kit with Spark Tester, Automotive Engine Cylinder Leak Down Compression Test Motor Pressure Gauge
  • FUNCTIONS: TEST CYLINDER COMPRESSION --- This cylinder compression tester kit is used for testing pressure on gasoline engine cylinder quickly and accurately. The gauge readings assist to diagnose if there are following problems: valve sticking, carbon build-up, cracked cylinder head or defective main gasket, poorly seated or worn piston rings, burned or damaged piston.
  • APPLICATIONS: GASOLINE ENGINE CYLINDER --- Come with different sizes rotary and push on adapters, widely suitable for most types and depth spark plug well on gasoline petrol gas fuel engine cylinder, which is common in motorcycle, car, truck, lawn mower, ATV and so on. NOT FOR DIESEL ENGINE.
  • UNIVERSAL: INCLUDE 10 CONNECT ADAPTERS --- 13-in-1 engine tester gauge kit includes 1-piece spring buckle gauge; 5-pieces brass adapters M10, M12, M14, M16, M18 for wide applications; 2-pieces straight and angled push-on connectors for direct testing; 1-piece extra long 8 inches extension straight rod, 1-piece 12 inches M12 extension hose rod and 1-piece 16 inches extension hose for long reach testing. Come with extra 2-piece spark plug testers.
  • RELIABLE: STABLE QUALITY TESTER GAUGE --- Max 300PSI or 20BAR dual pressure units with easy to read colored and large dial, acrylic glass gauge cover with anti-scratch coating and metal protective cover for outstanding shock-absorption performance. Build-in check valve with pressure-maintaining function, ensure the gauge gets max pressure at the spark plug during compression.
  • WARRANTY: WORRY FREE SHOPPING SERVICE --- If you aren't satisfied with your purchase, contact us through our email at any time you want, and we'll issue you a refund, to ensure you have a nice shopping experience in our store. A002BK

Last update on 2022-01-23 / Affiliate links / Images from Amazon Product Advertising API

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