Best Ystool in 2025

The engine oil pressure tester kit is used to diagnose and test the engine oil pressure value, to check whether it is normal. Prevent engine failure due to lack of oil. And with this best in class tools, you can get a definite pressure value well without relying on the dashboard light.

There are 10 types of thread adapters are suitable for most cars, motorcycles, boats and other vehicles with gasoline and small diesel engines. As long as the adapters can match with your engine and oil pressure does not exceed 140 PSI. The 10 adapters are marked with number, you can choose the right one very easy.

The pressure gauge uses metal gauge head with shockproof rubber cover, 3" big dial with clear dual scale range 0 to 140 PSI and 0 to 10 Bar. Compare to a large range, this oil pressure gauge is easy to read about 1-2 Bar with a short range. There are a straight quick coupler and a elbow one in the case, you can choose it according to the location of the engine oil pressure test port.

YSTOOL front end service tool set adopts robust 45# steel construction, with high-strength and deformation resistance features, can stand high intensity extrusion. The stout forcing bolts surface adopts black oxidation treatment to prevent rust, grease the bolts up before using for smooth operation and protect the bolt thread, grease them up after using for better preservation.

This ball joint puller kit includes 1x ball joint separator, 1x tie rod end and ball joint remover, 1x conical pitman arm puller, 1x pitman arm and tie rod end puller, 1x pitman arm puller, and all the 5 tools are organized in a red blow molding case for easy storage and transportation. The 5PCS remove tools use C-shape, jaw shape and teardrop shape design, very simple, but can seat on the ball joint position tightly and provide very effective grip to fix the pullers.

According to your ball joint choose the compatible puller, insert the puller into the ball joint opening, aim the bolt at the ball joint, turn the bolt by using the right size ratchet wrench, squeeze the ball joint out. These ball joint pullers can easily remove the stubborn ball joint, pitman arm, idler arm, tie rod end, steering linkages and steering boxes on front suspension and steering system, and will not damage boot/sleeve and other parts.

Coolant pressure tester kit includes 3 tools set, radiator leakage detector, coolant refill tool and thermometer. 17PCS specific adapters and 1 universal cone rubber adapter, to connect almost all types of radiator openings on the domestic and imported vehicles, help to check the leak of water tank and fill the coolant under vacuum environment. There are also 3PCS radiator cap adapters and 2PCS connectors for testing the leakage of the radiator caps.

Manual vacuum pump pressure checker uses high quality aluminium cylinder, much harder than regular plastic one. 21" long rubber hose, brass parts, anti-corrosion and durability. 3" large dials with color coded small scale range 0-35PSI, very easy to observe. Use the hand pump tester to pressurize the radiator/cap and observe whether the pointer drops over time to confirm a system leak.

Cooling system coolant filling manifold tool adopts superior brass manifold body with plastic cover, and 18" long rubber hose, brass parts for anti-corrosion and durability. The pneumatic vacuum refiller firstly uses the workshop air to pump the cooling system and form a vacuum, and then pumps the coolant into the system. Add coolant under vacuum environment, there is no large cavitation, avoid engine warping and other damage.

Three-in-one cooling system test refill kit has 3 excellent functions: radiator tightness test, coolant refilling & temperature measurement. Manual pump coolant pressure tester kit can diagnose whether the radiator is leaking and help quickly bleed the waste coolant if needed. Pneumatic coolant vacuum refill kit vacuumizes to eliminate trapped air in minutes and refills cooling system with no air bubbles produced. Thermometer checks if the coolant temperature is too high. Fit for home & business

28PCS universal radiator pressure tester fill set includes 17 color-coded radiator test adapter caps and a universal rubber cone adapter for almost all radiator openings on most vehicles at home and abroad. Another 3 radiator cap adapters and 2 connectors for radiator cap leak detection. All are well positioned in the case, complete in specifications and easy to assemble. Widely compatible with GM, BMW, VW, GMC, Porsche, Chevy, Dodge, JEEP, Chrysler and many other models car, truck and airlift

Radiator hand pump pressure detector adopts premium aluminum cylinder and accurate shock-proof gauge design(3'' color-coded dial, 0-35PSI/ 0-2.5bar). coolant system refill kit takes reliable brass and plastic material. 21" & 18'' rubber hose with brass parts, anti-corrosive and wearproof. American & European style air plugs are provided for various air hoses. Transparent coolant fill hose & bleeder hose are included. Thermometer is made of stainless steel (scale range: 0 - 200℃/32 - 400℉)

The fuel injector tester kit is designed to identify and diagnose malfunctions in fuel supply & injection systems and help find possible causes. Suitable for most fuel injection systems in gasoline vehicles such as cars, trucks and ATVs. Incompatible with Bosch, CIS-Jetronic, or GM throttle body systems because of no suitable connection adapters. Also not fit diesel high pressure injection pump or high pressure fuel track on direct-injection engine due to the test range: 0-140psi /0-10 bar

Gas fuel pressure tester gauge kit equips with various fittings and hoses for test, and supports two assembly forms. One is to connect pressure gauge directly to fuel pump's standard Schrader / M6 / M8 / M10 / M12 / M14 fuel pressure test port with 15" / 8" hose and M8 / M10 / M12 / M14 adapters. The other is to measure by fitting the T-type joint between the fuel pump and engine. Please note: no small Schrader connector in this fuel presure test kit to perform service for some Ford models.

Accurate fuel pressure gauge has a 3-1/2" big color-coded dial with shockproof rubber cover. 15"L hose can attach to the 1/4" SAE standard Schrader valve on fuel pump or fuel rail directly. The built-in translucent fuel discharge hose and pressure release valve work for safe pressure release & easy fuel recovery. The connectors are made of brass and aluminium, good airtightness & anti-corrosion. Reinforced rubber resin nylon hoses (WP:300PSI) are resistant to torsion & high temperature

This fuel injection pump detector is a professional tool to test the compression in gasoline engine fuel injector system. The readings will help to diagnosis if there are kink/leak/clog on inlet/outlet side components, a detective fuel pump or fuel pressure regulator, low tank pressure. Gasoline is highly flammable, please ensure no open flames nearby and operate by professional.

This fuel injector pressure tester is suitable for most gasoline engine fuel injection systems except: Bosch, CIS Jetronic, Throttle Body Systems on GM vehicles. As the scale range for the meter is only 140PSI, the tester is not suitable for diesel high pressure fuel injection pump and high pressure fuel track on direct-injection engine.

There are several parts to implement 2 types connection methods. Use the specialized parts and hose to connect pressure gauge directly to fuel pump's standard Schrader / M6 / M8 / M10 / M12 / M14 fuel pressure test port. Or use T type parts insert in-line between the fuel pump and engine for most other vehicles. No small Schrader connector, do not compatible for part Ford vehicles with small Schrader service port

YSTOOL multi-functional vacuum pressure pump kit can be widely used to test a variety of essential vehicle settings and operations, such as Computerized Engine Control Devices, Ignition Control Devices, Air Condition & Heating Controls, Cruise Control Systems, Brake Systems etc., especially work for changing brake clutch fluid and power steering fluid. Use the hand pump to form negative pressure in the brake system, sucks out waste oil and air, and guide the new oil to fill all the system.

The included 3 differently sized black L type and 9 straight cone rubber adapters, can connect with the brake bleeder valve on any vehicles that use standard brake bleed valves, or any other vacuum system which can work with these adapters properly. Use the closest sized one to ensure a tight fit. And bleed from master cylinder to wheel cylinder and caliper. There is a universal cup adapter packed in the case, can use as a vacuum sealer to match with your reusable vacuum food storage bags.

The hand pump adopts aluminium cylinder with a -20 to 0inHg vacuum & 0 to 40psi pressure gauge. Move the collar on the cylinder forward and pump for vacuum, move rearward and pump for inflating pressure, pump and then move the collar for releasing pressure. The 2 20"L, 2 4"L and 1 3"L transport hoses are transparent, help to observe if the waste oil is all pumped out, and when you see the clear new brake oil is sucked out in the hose without any air bubble, then done.

YSTOOL fluid extractor and dispenser tool kit includes 3PCS 1M dipstick tubes, can insert into engine dipstick tube to extract and refill engine oil or transmission fluid directly, no more need to crawl about under lifted vehicles and avoid mess. Also can insert into any insertable pipe or tank to change non-corrosive and low-consistency liquids (such as differential fluid, transfer case fluid, gear oil, power steering fluid, coolant, water) in vehicle, jet ski, lawn mower or other small engine

This ATF engine oil refill tool set provides 15PCS ATF adapters to fit a variety of vehicle models, add oil from fill plug or help to push transmission fluid into the engine through the drain plug on the transmission pan. All the 15PCS metal adapters are marked with NO. and well packed in a case, compatible with Ford, BMW, Nissan, Honda, Audi, VW DSG, VW CVT, Skoda, Porsche, Benz, Mini Cooper, Kia, Toyota, Hyundai, Infiniti, VOLVO and Lexus. You can find appropriate models by applicable manual

YSTOOL pneumatic oil change tool set allows two-way operation of oil suction and refueling, quick and sparkless. Absorb, transport and distribute liquids under safe and clean conditions. The consistent conversion of the 2-way control valves (blue screw valve and air inlet ball valve) on the pump assembly to achieve the conversion between extracting and dispensing, very easy. Pneumatic tool, works with vacuum pump to extract and with air pump to refill, ensuring high efficient and labor-saving

YSTOOL coolant pressure test and fill tool kit is a versatile multifunctional tool set. Radiator pressure tester can quickly find if there is unusual leakage or not in 10 mins. Pneumatic coolant vacuum refill tool vacuumizes to eliminate trapped air in minutes and refills coolant in 5-10 mins without air bubbles. Stainless steel thermometer checks if the coolant temperature is too high. Greatly improve the vehicle operating efficiency and service life. Suitable for household and business use

Universal radiator tester pressure leak test tools feature 17 color-coded radiator test adapter caps for specific models, easy identification. There are also a cylinder adapter with 3PCS adapter sleeves (O.D. 32mm 35mm 40mm 45mm) and a cone adapter for universal use. Another 4 radiator cap adapters and 2 connectors work for radiator cap leak detection. Widely compatible with GM, BMW, VW, Audi, Porsche, Chevy, Dodge, JEEP, Chrysler and many other models of cars, trucks and airlifts

Radiator manual pump pressure detector adopts premium aluminum cylinder and accurate shock-proof gauge design (3'' color-coded dial, 0-35PSI/ 0-2.5bar). Vacuum type coolant refiller takes reliable brass and plastic material. 21" & 18'' rubber hose with brass parts, anti-corrosive and wearproof. American & European style air plugs are provided for various air hoses. Transparent coolant fill hose & bleeder hose are included. Thermometer is made of stainless steel (scale range: 0 - 200℃/32 - 400℉)

Transmission oil is mainly used to clean, lubricate, lose heat, seal and for hydraulic transmission. It ensures that the gearbox can work normally at low temperature and prolong the life of transmission device. Regular maintenance is necessary in accordance with the frequency recommended by the manufacturer, avoid reducing your engine’s long-term health. This manual transmission oil change tool helps to transfer and renew right amount of automatic transmission fluid after discharging waste fluid

The ATF engine oil refill tool set provides 15PCS ATF adapters to fit a variety of vehicle models, add oil from fill plug or help to push transmission fluid into the engine through the drain plug on the transmission pan. All the 15PCS metal adapters are marked with NO. and well packed in a case, compatible with Ford, BMW, Nissan, Honda, Audi, VW DSG, VW CVT, Skoda, Porsche, Benz, Mini Cooper, Kia, Toyota, Hyundai, Infiniti, VOLVO and Lexus. You can find appropriate models by applicable manual

Gear box oil change pot works with 14-3/4" detachable hand crank, featuring hydraulic pressure design and high pressure resistance, easily press and quickly pump clean oil into the gearbox. No more dependence on the air pump or risk of deformation. 7.5L big capacity well constructed container, is marked with accurate scale to help observe the amount of liquid. 1.2M transparent hose has a quick coupler to connect ATF adapter easily, with a ball valve to control the fluid flow, very convenient

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

Fuel pressure take off fitting: AN6 Male to -6 Female with 1/8" NPT Gauge/Gage Port,the thread size of the 6AN is 9/16-18UNF.

Sealing: The AN thread of the flare is sealed by a 37 degree angle and the NPT is sealed with a 60 degree tapered.It is highly recommended to use sealant or PTFE (polytetrafluoroethylene tape) at the NPT port.

Material: Made of 6061-T6 aluminium alloy.

[PRESSURE GAUGE]: Test fuel pump output pressure to 10PSI. Read engine vacuum to 28" HG.

[KIT INCLUDES]: Comes with large 3-1/2" diameter gauge and 24" long vacuum hose.

[ADAPTERS]: Adapters suits for most vehicles.

OTC's Compression Tester Kit is ideal for use on all types of gasoline engines including domestic, import, motorcycle, marine, and small engines

Includes: 12-inch flex 14mm standard, 12-inch flex 14mm long reach, and 10mm, 12mm, and 18mm thread adapters - adapters work on both flat and tapered seat plugs

Professional quality, dual scale 2-1/2 inch diameter gauge reads 0-300 psi and 0-2100 kPa and features a chrome bezel, rugged protective outer boot, and zero adjust feature

Accurate Measurement: Digital compression gauge has a backlit display with a resolution of 0.5PSI instead of 5PSI. Four different kinds of numerical units in PSI, KPA, Bar, KG/CM², easy to control with buttons.

Quick Release Valve Design: Fuel pressure tester with release valve design could offer single-handed operation inflation and deflation, helping to release pressure safely and recovery fuel easily.

Universal Design: The adapters, hoses and fittings included in fuel pressure gauge cover most Gas Engine Cars, Motorcycles, Trucks, SUVs, ATVs, UTVs, RVs with modern Schrader test port fuel injection systems. ( Does not compatible with Bosch, CIS Jetronic, TB System on GM vehicles. )

Quickly And Easily Test The Ethanol Content Of Your E-85

Environmentally Friendly

【Product Name】Stainless Steel Liquid Filled Pressure Gauge Wog

【Size】1/8" NPT；1.5" Dial Face

【Installation method】Back Mount

Fuel injector testing requires precision equipment and this vehicle powered tool fills that requirement

It enables you to check cylinder balance by firing individual injectors at 1/2-second increments

Three different ranges 1 pulse of 500 milliseconds 50 pulses of 10 milliseconds and 100 pulses of 5 milliseconds

Made to be the most reliable tools in the market today

Tool solutions for most all situations

Built to exceed tool standards

Professional Tester Kit: Fuel Pump Pressure & VacuumTester Gauge Kit, Carburetor Test enables testing of the fuel delivery pressure to the engine to check for worn or defective parts; Diagnose leaking valves, incorrect timing, leaky intake manifolds, and clogged mufflers. Fuel pump operating pressures up to 10 PSI (0.7 Bar), Pressure gauge 0-28 IN-Hg (0-70 cm-HG) vacuum and 0-10 PSI (0-0.7 kg/cm²) pressure

Applications: This tester will test fuel pump pressure and all vacuum operated devices, 4 tests can be performed – Fuel pump pressure, fuel pump vacuum, carburetor intake manifold, and vacuum test

Easy-to-use: Instruction manual included; Includes a variety of adapters ideal for most vehicles; 4-inch (10.2cm) diameter pressure gauge with color-coded measurement scales, 1.2-inch (3cm) thickness with rubber side notches, easy to read and grip; Extra-long rubber hose and 14mm/18mm manifold adapter; Rubber hose 40 PSI (2.8 Bar) maximum working pressure

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ANTI-CORROSION - This fuel line T-fitting adapter is made from 304 stainless steel that prevents Corrosion.

LEAK-FREE - The barbed design increase the sealing of adapter and fuel line and The two hose clamps are for installation in tight-fittings and secure the vehicle’s fuel line to the barbed fittings for a leak-free connection.

FUNCTION - Fuel line fuel pressure barbed push lock t-fitting adapter allows users to install a fuel pressure sensor to a 3/8 In inner diameter fuel line,T-fittings allows you to tee off your vehicle,s fuel line for accurate fuel pressure readings directly from the source.Protect your engine!

This injector tester with 41.5cm/ 16.3 inches test lead can work with any fuel pressure tester. Please NOTE: Gasoline car only, NOT the diesel engine

4 MODES- Large LED display with 4 pulse modes- Short/ Medium/ Long/ Continuous modes help to identify good or bad injector.

DIAGNOSE INJECTOR PROBLEMS- you can use it to test each injector individually to help identifing stuck, leaking or burnt-out conditions. It works with engine off and pulse timer may be used with fuel pressure gauge.

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The original head gasket tester kit of the reputable brand “RELD”

Produced in the European Union. The efficiency is 99.9%.

Fast and convenient. Most importantly you can check whether the head gasket of your car is fully functional without visiting the mechanic.

For measuring the low pressure in natural gas or LP gas pressure across appliance manifolds

2-1/2" dial size, 40" Rubber Hose, 1/8"NPT male brass fitting, protected and fit in a mould plastic box

Pressure range: 0-35"W.C./Ounces per square inch, 2.5 to 4' W.C. for natural gas, 10 to 12" W.C. for LP gas

【Size】 ID: 3/8" (10mm), OD: 2/3 " (17mm), Length: 10FT.

【Premium Material】 Premium nylon fiber wire materials, long service life, wear resistance and high temperature resistance, perfect racing accessories for fuel injection.

【Strong and Durable】 Nylon Braided Fuel Hose Working Temperature Range: -40°F to +300°F, Maximum Working pressure: 290 PSI, Burst pressure: 1160 PSI. PROFESSIONAL OIL RESISTANT DN8MM 20BAR MAXIMUM W.P.

UNIVERSAL DESIGN ---Used on any engine you need to read fuel psi on.Helps identify and diagnose low fuel pressure, a faulty fuel pressure regulator, leaking injectors, fuel leaks, and clogged fuel filters.The included adapters, hoses and fittings cover all fuel injection systems and most cars and trucks world wide!

FORD ADAPTERS INCLUDED ---Come with 3 adapters with hoses fit with most of the Ford vehicles.

PARAMETER---Double Scale Gauge:0-10bar,0-140psi.Three size adapters :6.30mm(SAE 1/4)7.89mm(SAE 5/16)9.49mm(SAE 3/8).

The engine oil pressure tester kit is used to diagnose and test the engine oil pressure value, to check whether it is normal. Prevent engine failure due to lack of oil. And with this best in class tools, you can get a definite pressure value well without relying on the dashboard light.

There are 10 types of thread adapters are suitable for most cars, motorcycles, boats and other vehicles with gasoline and small diesel engines. As long as the adapters can match with your engine and oil pressure does not exceed 140 PSI. The 10 adapters are marked with number, you can choose the right one very easy.

The pressure gauge uses metal gauge head with shockproof rubber cover, 3" big dial with clear dual scale range 0 to 140 PSI and 0 to 10 Bar. Compare to a large range, this oil pressure gauge is easy to read about 1-2 Bar with a short range. There are a straight quick coupler and a elbow one in the case, you can choose it according to the location of the engine oil pressure test port.