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When purchasing a product, price is the consumer's primary concern. At present, DUOYI has 183 products for sale. DUOYI products range in price from $17.99 to $299, and the average price of all the products is about $81.36.

You can confidently purchase DUOYI products from the seller DUOYIDirect. The brand holds an average rating of 4.4, testifying to its excellent reputation.

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Last Updated: Jan 12, 2025

Circuit Tracers & Analyzers

Power Circuit Probe Tester 6V-24V DC Test Light Short Circuit Tester Component Activation Electrical Tester Polarity Identify Continuity Tester with LED Light, Long Test Lead, Overload Protection

Power Circuit Probe Tester 6V-24V DC Test Light Short Circuit Tester Component Activation Electrical Tester Polarity Identify Continuity Tester with LED Light, Long Test Lead, Overload Protection Cover
  • [Short Circuit Following and Locating Test Light] The circuit tester is suitable for diagnostic in all 6V to 24V DC vehicle electrical systems. It can check switches, relays and the on-off of diodes, fuses and circuits, which can help you reduce diagnostic time in automotive electrical systems. In most cases, short circuit or instant overload of component will lead to blown fuse or circuit breaker tripping.This probe tester can assist you tracing problem wires and locating breaking points.
  • [Polarity Identification & Continuity Testing & Jumper Lead Operation] This power circuit probe tester can help you quickly identify positive and negative polarity of electric cables and plugs of vehicles. When the probe tip contact to the positive electrode, the RED light on. When the probe tip contact to the negative electrode, the GREEN light on. It can also test for continuity and do the jumper lead operation with the assistance of its auxiliary ground lead.
  • [Activate and Test Components In/Out of Vehicle's Electrical System&Poor Ground Contact Testing] Power circuit probe tester could activate components in and out of the vehicle's electrical system, test and check the components if defective or not, or if rating current of component is higher than that of the circuit tester. For some components, the negative terminal is required to be well grounded to cope with the flow of large currents, this circuit tester is a good tool to test their grounding.
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Air Conditioning Line Repair Tools

Digital Manifold Gauge For 93 Refrigerant Digital Manifold Gauge Set HVAC pressure&Temp Test Air Conditioning Tools & Equipment Supercooling/Superheating Test HVAC Digital Gauges with 3.5"LCD Display

Digital Manifold Gauge For 93 Refrigerant Digital Manifold Gauge Set HVAC pressure&Temp Test Air Conditioning Tools & Equipment Supercooling/Superheating Test HVAC Digital Gauges with 3.5"LCD Display Cover
  • [Digital Manifold Gauge Set For 93 Refrigerants] Compared with other refrigerants meter,our digital manifold gauge can be filled with 93 types of refrigerants and has a wide range of applications.Meter have multiple functions such as dual pressure/temperature test,condensation evaporation pressure/temperature test,pressure leak test,vacuum degree test,calculation of supercooling/superheating.It is suitable for refrigeration equipment such as air conditioners, cold storages and refrigerators.
  • [Dual Pressure&Temp Test Of High/Low Pressure Pipelines] HVAC gauges can measure the pressure/temperature of the refrigerant in the high/low pressure pipelines of the air conditioner in real time.During the refrigerant pressure test,the meter can display the corresponding evaporation/condensation temperature.The smaller the deviation between the temperature measured by the temperature sensor and the evaporative condensation temp., the better the cooling effect and the quality of the refrigerant.
  • [Condensing/Evaporating Pressure And Temp Test&Supercooling/Superheating Test] During the refrigerant pressure test,it can automatically test the refrigerant condensation/evaporation pressure temp.The lower the condensation/evaporation pressure and temp, the better the cooling effect.The degree of supercooling/superheating is automatically read.The greater the degree of superheating,the less refrigerant is filling,the lower the degree of subcooling can improve the cooling capacity of the system.
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Car Battery Chargers Battery Tenders

Golf Cart Charger 36 Volt EZGO Charger 20AMP 36 Volt Golf Cart Battery Charger EZGO TXT 36v Golf Cart Charger Trickle Charger EZGO Golf Cart Charger IP67 Waterproof Lead Acid Battery Charger

Golf Cart Charger 36 Volt EZGO Charger 20AMP 36 Volt Golf Cart Battery Charger EZGO TXT 36v Golf Cart Charger Trickle Charger EZGO Golf Cart Charger IP67 Waterproof Lead Acid Battery Charger Cover
  • [36V 20A Fast Charger for EZGO/TXT] Golf cart battery charger is designed for 36 volt EZGO and TXT golf carts, with advanced intelligent charging technology, working efficiency up to 92%, providing 36V 20A 1250W high output, with high output voltage/current precision and good stability. The charging process is automatically controlled by the charging program, and when the battery reaches full charge, the charger will automatically shut down and provide zero DC output to prevent overcharging.
  • [Intelligent Trickle Charging Technology] EZGO golf cart charger adopts intelligent trickle charging technology, when the battery is close to full, it will automatically reduce the AMP output, and will automatically shut down and enter trickle charging mode after the battery is fully charged, which can keep the battery fully charged without overcharging or damaging the battery. When the battery is low (battery voltage is below 52V), the golf cart battery charger will restart and charge again.
  • [7 Safety Functions & IP67 Waterproof] 36 volt golf cart battery charger is designed with safety in mind, it is designed with overcharge/overheat/overcurrent/overvoltage/reverse connection/short circuit/no load protection, so you can use it with confidence. 36v golf cart charger is fully potted inside to provide IP67 weatherproof rating, you don't have to worry that the charger will be damaged due to water, dust, or vibration, it's perfect for outdoor use.
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Car Dent Removal Tools

Spot Welder Dent Puller Machine Body Repair Dent Removal Tools 6 Models Dent Puller Welder 110V 3800A Car Dent Puller Smaller Welding Spot Stud Welder Dent Repair Kit Dent Remover Tool For Car/Trucks

Spot Welder Dent Puller Machine Body Repair Dent Removal Tools 6 Models Dent Puller Welder 110V 3800A Car Dent Puller Smaller Welding Spot Stud Welder Dent Repair Kit Dent Remover Tool For Car/Trucks Cover
  • [Smaller Welding Spots & Stronger Welding] Dent puller welder is specially designed for repairing various dents on the car body (only for iron material).It adopts intelligent induction welding technology, the welding joints are extremely small,with low consumables consumption and no damage to the back metal coating or paint surface.Built-in E-type high-frequency transformer,3800A super-large current output, stable output,which makes the welding stronger.Single-sided welding thickness: 0.6-1.5mm.
  • [Multifunction- Welding/Puller Function] Spot welder dent puller is equipped with welding tongs and pullers, as well as a variety of welding accessories, etc.,with super high configuration. Through the welding tongs and puller, you can operate two functions of welding and pulling, which can helpe you reduce the time and energy for switching welding tongs and improve work efficiency. Dent puller welder are widely used in sheet metal repair, dent forming, body damage and other repair work.
  • [6 Welding Modes & Auto/Manual Welding] Spot welder dent puller adopts a new generation of microcomputer program control,which greatly improves the welding range and welding accuracy.6 welding modes are available,including Triangular meson pull,Round meson pull,OT meson pull,Wave line welding,Carbon rod to close the fire,Single-sided spot welding.Stud welder dent repair kit has auto welding and manual welding two modes can be switched at any time, easy to operate.
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Ground Resistance Meters

DUOYI Digital Earth Ground Resistance Tester 0-2000 ohm Meter AC Ground Voltage Tester Quick Response Earth Resistance Tester Overload Protection Voltage Meter Tester with Tool Bag

DUOYI Digital Earth Ground Resistance Tester 0-2000 ohm Meter AC Ground Voltage Tester Quick Response Earth Resistance Tester Overload Protection Voltage Meter Tester with Tool Bag Cover
  • [Earth Voltage/Resistance Tester] Resistance tester is powerful and can perform precise three-wire measurements or simple two-wire measurements. It can test earth resistance of various earth systems including power systems, electric equipments, lightning conductors as well as resistance value of low resistance conductor and AC voltage test, and widely used in measurement in electric power, post and telecommunications, railways, petroleum, chemical industry, communications and other sectors.
  • [Quick Response & Accurate Measurement] Digital grounding resistance meter adopts one-button fast measurement function, by pressing the "Test" button, the test result will appear in a few seconds: measuring earth resistance is about 5 seconds, measuring earth voltage is about 2 seconds, realising efficient work. Earth resistance measurement accuracy: ±2%rdg, earth voltage measurement accuracy: ±3%rdg.
  • [Multiple Gear Selections] Earth resistance tester provides resistance voltage gear switching, which can easily switch between voltage and resistance modes. Digital earth resistance tester has 3 resistance measurement ranges, which can accurately measure resistance up to 2000Ω, meeting the needs of many different occasions and achieving high-precision measurement. Resistance measurement range: 0-20Ω; 0-200Ω; 0-2000Ω. Earth voltage measurement range: 0-30V（AC）.
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Olive Puller Not Damage The Pipe Olive Remover Ferrule Puller Corrosion-Resistant Compression Ring Removal Tool Suitable for Brass Pipes with Diameters of NPT 1/2" & NPT 3/4" Ferrule Removal Tool

Olive Puller Not Damage The Pipe Olive Remover Ferrule Puller Corrosion-Resistant Compression Ring Removal Tool Suitable for Brass Pipes with Diameters of NPT 1/2" & NPT 3/4" Ferrule Removal Tool Cover
  • [Olive Puller That Will Not Damage The Pipe] This DUOYI olive puller is an ideal tool for taking out olives.Without damaging the pipe,puller utilises the compression fitting locking nut to remove the olives which used or damaged from the copper piping.
  • [Suitable For Brass Pipes With Diameters Of NPT 1/2 Inch & NPT 3/4 Inches] The olive puller can work on air-conditioning pipes,and is suitable for brass pipes with diameters of NPT 1/2 Inch & NPT 3/4 Inches.
  • [Abrasion-Resistant & Corrosion-Resistant Solid Brass] The DUOYI ferrule puller is made of high-quality solid brass,which not only has high strength and high hardness,but also has good wear and corrosion resistance. In addition,the olive puller has a smooth surface High,with high-grade texture,and long service life,can provide you with long-term service.
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Code Readers

DUOYI OBD2 Breakout Box Can Bus Breakout Box with LED Light Auto OBDII Protocol Detector 16-Pin OBD2 Breaker Box Automotive Electrical Diagnostic Tools Can Bus Analyzer with 35inch Cable

DUOYI OBD2 Breakout Box Can Bus Breakout Box with LED Light Auto OBDII Protocol Detector 16-Pin OBD2 Breaker Box Automotive Electrical Diagnostic Tools Can Bus Analyzer with 35inch Cable Cover
  • [OBD2 breakout box With Pass-Through Feature] OBD2 breakout box is a car diagnostic tool with pass-through function, which can connects inline between your OBDII diagnostic port and your ODB 2 reader or other ODB 2 device for effective and safe monitoring signals of protocol, power and grounds, and you can also use it to charge scanning tools via the ODB II port. Additionally, the breakout box can also be connected to a multimeter or oscilloscope for further detection of unconfirmed signals.
  • [Detect CAN bus/K-line/L-line/PWM Protocol Line] OBD2 breakout box works great for communication line diagnoses, which not only helps you see the OBD signals as they are operational, but also detect some diesel signals, such as CAN bus, K-line, L-line and PWM protocol line. You can place this OBD2 breakout box between your diagnostic tool and your vehicle, which makes bus can and K-line diagnostics easier.
  • [LED Indicator] Breakout box is designed with LED indicators that you quick visual indicators of the state of each data line plus power and ground via led lights.When vehicle body is properly grounded,Green LED of pins 4 and 5 will be on;when the power supply is normal,Red LED of pin 16 will be on;when the decoder communicates with the vehicle,pin 2 or 6/7/10/14/ 15 has signal waveform.Breakout box makes it super easy to test for good connections at the pins without dealing with finicky probes.
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Puller Sets

DUOYI Pneumatic Injector Puller 21pcs Diesel Injector Puller Set Labor-Saving Diesel Injector Extractor Tool for Diesel Engines Injector Puller Removal Set with Pneumatic Hammer,19pcs Adaptors

DUOYI Pneumatic Injector Puller 21pcs Diesel Injector Puller Set Labor-Saving Diesel Injector Extractor Tool for Diesel Engines Injector Puller Removal Set with Pneumatic Hammer,19pcs Adaptors Cover
  • [Efficient & Labor Saving Pneumatic Injector Puller] Pneumatic injector puller is different from most manual diesel injector extractor tools, the operators do not need to use an inertia hammers or mechanical extractors, and just need to connect the tool to an air supply (up to 5-8 bar) and then use the air pressure drive to quickly and easily remove stubborn, rusty, or stuck diesel injectors, effectively reducing the time and effort required for manual removal.
  • [Working Principle] Pneumatic injector puller operates effectively in the range of 5 - 8bar. After connecting the air source, the pneumatic injector puller will hammer the injector up and down at high speed to achieve easy and effective removal, which not only effectively reduces the time and effort required by the operator, but also greatly reduces the risk of damaging the injector or the engine. (Note: When the injector is out of its seat, please reduce the air pressure)
  • [Widely Applicable - Support 99% of Injectors] Diesel injector puller set is designed to extract 99% of the diesel injectors in the market, it covers a wide range of injector systems and is compatible with a variety of injectors in the market, such as compatible with Bosch/Delphi/Denso/Siemens diesel injectors, which can satisfy the needs of a variety of engine models.
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Brake System Bleeding Tools

Brake Master Cylinder Bleeder Kit 12Pcs Brake Bleeder Adapter with Japanese Quick Connector Master Cylinder Adapter Set Brake Pressure Bleeder Adapter Kit Fit for Toyota/Ford Master Cylinder Adapter

Brake Master Cylinder Bleeder Kit 12Pcs Brake Bleeder Adapter with Japanese Quick Connector Master Cylinder Adapter Set Brake Pressure Bleeder Adapter Kit Fit for Toyota/Ford Master Cylinder Adapter Cover
  • [12 Pieces Brake Master Cylinder Adapter Kit with Quick Connectors] Compared with most master cylinder bleeder kit on the market, our master cylinder bleeder kit adds a Japanese quick connector for wider applicability and better connection between the adapter and air hose. The kit also includes two rectangular adapters and 10 round adapters which can be used with brake fluid bleeder and brake fluid changer, which can help you to easily remove the fluid and refill the fluid into the whole brake.
  • [2 Rectangular Adapters & 10 Round Adapters Specifications] Brake master cylinder bleeder kit contains two rectangular adapters, one compatible with Chrysler/GM vehicles, one compatible with Toyota/Lexus vehicles. The ten round adapters have the following internal diameter sizes: 29mm, 34.5mm, 42mm, 43.5mm, 47mm, 49.5mm, 50.7mm, 56mm, and 74mm. The variety of sizes allows you to make a precise and secure connection between the adapter and the brake fluid bleeders.
  • [Widely Applicable] The 12pcs brake bleeder adapter for near all domestic and import cars, such as compatible with Honda/Chrysler/Dodge/Jeep/Buick, and compatible with Cadillac/Chevrolet/Nissan/Toyota/Lexus, etc,the applicability is very wide, providing you with more choices.
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Car Battery Chargers Battery Tenders

24V Battery Charger 20A 24V Forklift Battery Charger,Fully-Auto Forklift Charger 24 Volt Battery Charger,with 7 Charging Protections 24 Volt Charger,24V Charger For 100-200AH Lead Acid Battery Charger

24V Battery Charger 20A 24V Forklift Battery Charger,Fully-Auto Forklift Charger 24 Volt Battery Charger,with 7 Charging Protections 24 Volt Charger,24V Charger For 100-200AH Lead Acid Battery Charger Cover
  • [20A Quick Charging Golf Cart/Forklift Charger] Our forklift battery charger adopts advanced 4-stage smart charging technology with efficiency up to 90%, with four charging modes: constant voltage/constant current/trickle/power off. When the battery is close to full charging, it will automatically turn into a trickle mode. After full charging, it will automatically shut down to prevent overcharge. Suitable for a 24V forklift/floor washers/sightseeing car/golf cars 100AH-200AH lead-acid battery.
  • [HD LCD Display - View Charging & Fault Status] 24 volt battery charger is designed with a HD LCD display. During charging, the display will alternately show the voltage and current, when the battery is fully charged, the charger will automatically stop the output to prevent over-charging, and the display will show "FULL" at this time. When the 24v charger has no load or high -voltage/undercharging,the display will show the corresponding fault code to prompt the user and stop the use of the fan.
  • [Multiple Intelligent Protection to Ensure Safe Charging] Our forklift charger is an advanced as well as practical battery charger for everyday use.It has been installed with overvoltage,overcurrent and overheat protection to protect the circuit,when the grid voltage,output current and temperature inside the machine exceeds the set standard,the machine will stop working.It can also provide reverse polarity/short circuit/undervoltage protection to ensure that you can charge safely anytime, anywhere.
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Electrical System Tools

DUOYI Terminal Removal Tool Kit 23 Pcs, Terminal Ejector Kit with Stainless Steel Tips, Ergonomic Rubber Handle and Carrying Case, Universal Terminal Release Kit Replaces The Proprietary Kit

DUOYI Terminal Removal Tool Kit 23 Pcs, Terminal Ejector Kit with Stainless Steel Tips, Ergonomic Rubber Handle and Carrying Case, Universal Terminal Release Kit Replaces The Proprietary Kit Cover
  • [UNIVERSAL PIN EXTRACTOR TOOL SET] ---23 piece Terminal EJector Kit Tool, suitable for a variety of manufacturers and models -American domestic, European and Japanese cars and trucks.
  • [GOOD HELPER FOR REMOVING BARBED TERMINALS] --- not damage the vehicle wiring harness,long handle protect technician's hands, easily remove terminals from electrical connectors. Make your job easier and faster.
  • [STAINLESS STEEL PRECISION TIP AND NON-SLIP RUBBER HANDLE] ---the tip is made of high-strength stainless steel for durability and will not bend or break when used in large quantities（A few tips are made of manganese steel）. Ergonomic rubber handle for comfortable use and non-slip.
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Timing Lights

DUOYI Timing Light Automotive Engine Timing Lights 12V Ignition Timing Light with Strobe Lamp Inductive Timing Tool Kit Reverse Polarity/Overload Protection Ignition Timing Tool with 4.5ft Lead

DUOYI Timing Light Automotive Engine Timing Lights 12V Ignition Timing Light with Strobe Lamp Inductive Timing Tool Kit Reverse Polarity/Overload Protection Ignition Timing Tool with 4.5ft Lead Cover
  • [Quickly Detect/adjust ignition timing Light] Timing light automotive is specially designed to detect the ignition timing scale on the engine flywheel or pulley. When the timing changes due to ignition system failure or changes in car components, the timing can be reset/adjusted by the flash on the timing light. Able to detect the automotive knock suppression control system and vacuum advance angle control system, and change the advance angle as the speed changes.
  • [Wide Application] Timing lights is designed to re-timing your car's ignition so that your car has higher fuel efficiency to produce more power. Engine timing light is suitable for cars, motorcycles, boats and all two-stroke or four-stroke gasoline engines. Its working voltage is 12V and you can be easily operated on a 12V ignition system.
  • [High Impact ABS Shell & Strong Flash] Timing light shell is made of high-quality ABS material, which has good impact resistance and wear resistance and can withstand daily use. Ignition timing light use special bulbs that are much brighter than ordinary bulbs and can produce a very strong flash. The timing light not only has bright light, but also has a large illumination area, making it easy to observe the timing marks on the engine under strong light or during the day.
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Pressure & Vacuum Testers

DUOYI Exhaust Back Pressure Tester 2.5" HD Pressure Gauge Exhaust Back Pressure Gauge Kit with 6ft Hose Oil Pressure Gauge Shockproof Rubber Cover Exhaust Pressure Gauge,Car Exhaust Pressure Tester

DUOYI Exhaust Back Pressure Tester 2.5" HD Pressure Gauge Exhaust Back Pressure Gauge Kit with 6ft Hose Oil Pressure Gauge Shockproof Rubber Cover Exhaust Pressure Gauge,Car Exhaust Pressure Tester Cover
  • [Professional Diagnosis of Exhaust Blockage Fault] Exhaust back pressure gauge tester is designed to diagnose where back pressure problems in the exhaust system lie,easily helping you diagnose whether your converter or muffler is clogged,preventing engine sluggish performance,reduced acceleration and overheating,providing you with a smooth and safe drive.Exhaust back pressure tester provides an effective way for car experts,car dealers or DIY mechanics to determine faults accurately and quickly.
  • [Simple And Practical Exhaust Back Pressure Gauge Kit] Exhaust pressure tester is tested at idle speed and 2500 rpm.At idle,read the lower scale on the gauge.It should not over 1.25PSI (0.09bar),or be in the red zone.If it is,stop the engine and find the location of the blockage and repair and unblock it.If the reading at idle is not red zone on the lower scale,rev-up the engine to 2500 RPM.If the reading is in red zone 3PSI,(.21bar) there is is a blockage in the exhaust system.
  • [HD Dual Scale Pressure Gauge & Shockproof rubber Cover] Equipped with a 2.5" HD pressure gauge designed with high visibility PSI/Bar pressure units to help users read test data quickly and accurately.In addition,the multi-coloured bars are designed to help you quickly determine if there is a problem with the exhaust system (green is a good condition,red is a bad condition) The gauge head is equipped with an anti-vibration rubber protective cover for real-time protection,reducing crash damage.
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Windshield Wiper Tools

6Pcs Wiper Arm Puller Doesn't Damage The Wiper Arm Removal Tool Strong Structure Windshield Wiper Arm Removal Tool with Toolbox Battery Terminal Puller Compatible with VW/BMW/Ford/Honda/Porsche

6Pcs Wiper Arm Puller Doesn't Damage The Wiper Arm Removal Tool Strong Structure Windshield Wiper Arm Removal Tool with Toolbox Battery Terminal Puller Compatible with VW/BMW/Ford/Honda/Porsche Cover
  • [Widely Applicable] Wiper arm puller compatible with Audi A3, A4, A5, A6, Q7. Compatible with VW Lupo/Polo/Touareg. Compatible with Honda/Jazz/CRV/FRV and others. Compatible with Opel Astra G/Zaphira B/Corsa C/Vectra C.
  • [Widely Applicable] Wiper arm removal tool is also compatible with VW Golf/Passat until 2005. Compatible with BMW 5 series E39 and 7 series E38 until 2005. Compatible with Ford Galaxy Seat Alhambra Mercedes A and B class from 2005. Compatible with Porsche Cayenne and other SUV.
  • [Remove Car Wiper/Battery] Windshield wiper arm removal tool is mainly used for car wiper arm removal and replacement. It can easily remove and replace some tight wiper arms. puller tool is not only easy to use, but also will not damage the glass, wipers,shaft and will not scratch the paint, etc.,which is a good helper for professional disassembly of the wiper arm. In addition,wiper arm puller can also remove the battery terminal clips without damaging the battery poles.
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Spark Plug & Ignition Tools

DUOYI Spark Plug Tester Dual Holes Spark Tester Working Frequency 0-6000rpm Spark Plug Tool for 12V Gasoline Vehicles Ignition Coil Tester with A Protective Cover, Spark Plug Not Included

DUOYI Spark Plug Tester Dual Holes Spark Tester Working Frequency 0-6000rpm Spark Plug Tool for 12V Gasoline Vehicles Ignition Coil Tester with A Protective Cover, Spark Plug Not Included Cover
  • [Spark Plug Tester For Small Engines Test Spark Plug Performance] Spark tester small engine mainly tests the performance of the spark plug by simulating the ignition of the car, thereby deciding whether to replace the spark plug.
  • [Dual Holes Spark Plug Tester] In order to be able to see more clearly whether the performance of the spark plug is good, the spark plug tester has a dual-hole test function. Just put a brand-new spark plug and a spark plug to be tested into the test hole respectively, and the performance of the spark plug can be tested quickly and accurately. Test hole inner size: 12mm.
  • [Adjustable Working Frequency Spark Tester] The working frequency of the small engine spark tester is 0-6000rpm. Its working frequency can be adjusted through the knob, which is very convenient.
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Car Fuel Injectors

Fuel Injector Cleaner Machine 4-Cylinder Ultrasonic Fuel Injector Tester Cleaner With 9 Test Modes Fuel Injector Cleaner kit GDI/EFI/FSI Fuel Injector Cleaner Tool For Petrol Motorcycle Automotive

Fuel Injector Cleaner Machine 4-Cylinder Ultrasonic Fuel Injector Tester Cleaner With 9 Test Modes Fuel Injector Cleaner kit GDI/EFI/FSI Fuel Injector Cleaner Tool For Petrol Motorcycle Automotive Cover
  • [Diagnosis & Cleaning Integrated Multi-Function Fuel Injector Equipment] Fuel injector cleaner is a 4 cylinder auto injector testing machine that cleans/tests most petrol cars and motorcycles,which can simulate various working conditions of the engine,and clean/inspect the fuel injectors,such as ultrasonic cleaning,fuel injection volume uniformity test,tightness test,atomization observation.It is very suitable for removing carbon deposits from the fuel system and is easy to operate.
  • [Ultrasonic Powerful Cleaning Technology & Electronic Pressure Regulating Control Technology] Fuel injector cleaner adopts ultrasonic powerful cleaning technology,which has strong cleaning ability.It can test and clean 4 fuel injectors at one time,and support reverse cleaning & on-vehicle cleaning.Plus,fuel injector tester can also be used on 6 cylinders,twice tests will do. Using electronic pressure regulation control technology, the oil pressure is stable and the adjustable range is wide.
  • [Tightness & Fuel Injection Volume & Uniformity Inspection] The diagnostic functions include detecting the uniformity of the fuel injection volume of each injector,the tightness and dripping of the fuel injector under high pressure,fuel injection volume of the fuel injection nozzle under specific working conditions,and the observation the spray atomization of nozzle.Within the allowable adjustment range,the test time/working frequency/injection times of the injector can be adjusted arbitrarily.
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Fuel Injector Cleaners

Fuel Injector Cleaner Kit Universal Fuel Injector Tester And Cleaner Kit,8 Pulse Modes Fuel Injector Cleaning Kit,DIY Fuel Injector Cleaner Tool with 6 Size Cleaning Adapters,12V/5V Output Power

Fuel Injector Cleaner Kit Universal Fuel Injector Tester And Cleaner Kit,8 Pulse Modes Fuel Injector Cleaning Kit,DIY Fuel Injector Cleaner Tool with 6 Size Cleaning Adapters,12V/5V Output Power Cover
  • [Widely Applicable to 12V Injector Cleaning Tester kit] Upgraded fuel injector cleaner kit is suitable for 12V and below injectors of most vehicles, including but not limited to: MPFI, SPFI, TBI, CFI, L-JET, LPG, EFI injectors, motorcycle injectors, K-Jetronic, FSI, coil-type direct injectors, Peak & Hold GDI, etc., which can help you diagnose injector problems such as sticking,leaking,clogged,damaged or burnt injector,and helps to identify good or bad injector with engine off.
  • [6 Sizes of Cleaning Adapters Available] Fuel injector cleaning kit is suitable for most 12V vehicles, including cars, motorcycles, ATVs, boats, etc. Equipped with 6 sizes of injector adapters, which is one of the most complete kits on the market with adapters, and compatible with most car and motorcycle fuel injectors. We also provide a special adapters (with threaded holes),which compatible for BMW N series, such as N14/N18/N20/N26/N53/N54/N55/N63/S63, which is more targeted and more adaptable
  • [Simultaneous testing/cleaning of 2 injectors] Fuel injector tester and cleaner kit is designed with a four-wire dual channel design, compared with other injector testers on the market, we have added an extra pair of pulse output terminal test wires. You can test or clean two injectors or one injector at a time, which greatly improves the work efficiency and helps you quickly and effectively remove carbon deposits in the injector and solve problems such as injector leakage and loose closure.
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Brake Repair Brake Adjusting Tools

DUOYI Brake Spring Tool, 5081 S-Cam Air Brake Tools Replace for Semi Trucks Brakes Shoes, Brake Tools for Heavy Duty Trucks, Tractors & Trailers, Steel Mechanic Tool for Automotive Brake Repair

DUOYI Brake Spring Tool, 5081 S-Cam Air Brake Tools Replace for Semi Trucks Brakes Shoes, Brake Tools for Heavy Duty Trucks, Tractors & Trailers, Steel Mechanic Tool for Automotive Brake Repair Cover
  • [Air Brake Spring Tool] It is safer and easier to replace the heavy duty tractors and trailers brake shoes, without the need for screwdrivers or tool pliers to remove the brake shoes.
  • [Brake Spring Tool is Easy to Operate] Just hook the tab to the fixed spring ring, press the bar end down on the shaft, hold the handle and push it down and inward until the spring ring is firmly fixed on the brake shoe.
  • [Principle of Use of Spring Tools] The end of this spring tool is in a "v"-shaped structure, which effectively utilizes the principle of leverage and is against the axle to separate the spring ring from the brake shoe more safely and easily.
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