Universal Diagnostic & Testing Tools
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OTC® - Anti-zap Auto Surge Protector (3386)Universal Anti-zap Auto Surge Protector by OTC®. Prevents damage to sensitive electronic systems. Protects key vehicle components from high-voltage spikes. Your electrical system maintenance will be easier with this high-quality...Designed for your maintenance needsMade from high-grade material for a long lifespan$147.86In Stock - Ships within 24 hrs - OTC® - Assorted Cap Plug Kit (CEA-02)Universal Assorted Cap Plug Kit by OTC®. Accessory for No. 6521, assorted cap plug kit. Keep your pride and joy running in tip-top shape with this top-grade automotive product. With it, you can easily and reliably check your vehicle for...Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$39.36In Stock - Ships in 24 to 48 hrs
- OTC® - Battery Adapter (212638)Universal Battery Adapter by OTC®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system maintenance needs, delivering features and...Designed for your maintenance needsMade from high-grade material for a long lifespan$34.47In Stock - Ships in 24 to 48 hrs
- OTC® - Bosch™ VET 100 Circuit Analysis Tool (3920)Universal Bosch™ VET 100 Circuit Analysis Tool by OTC®. The Bosch VET 100 Circuit Analysis Tool is perfect for data stream analysis using your scan tool. With quick and easy setup, you can identify faulty sensors, wiring harnesses,...Save time and quickly identify failed circuit component, wiring harness or ECMUse with any scan tool during data stream analysis$201.41In Stock - Ships in 24 to 48 hrs
- OTC® - Charged Air Cooler Tester (5039)Universal Charged Air Cooler Tester by OTC®. This is the easy way to find air leaks in the charged air cooler systems used on class 7 and 8 truck engines. The tester features a large 2-1/2", 0-60 PSI pressure gauge, regulator and relief...Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$386.28In Stock - Ships in 24 to 48 hrs
- OTC® - Contact/Non-Contact Phototach (3665)Universal Contact/Non-Contact Phototach by OTC®. No. 3665 phototach can be used as a contact as well as a non-contact tachometer. Four styles of contact adapter tips clip easily to the top of the phototach. Infrared technology makes the...Designed to help to get your job done rightManufactured utilizing the highest quality materials$243.85In Stock - Ships within 24 hrs
- OTC® - DEF Refractometer (5025)Universal DEF Refractometer by OTC®. EPA regulations require all diesel engines manufactured on or after January 1, 2010 to meet lowered NOx emissions standards. Most heavy duty engine (Class 7-8 trucks) manufacturers, have chosen to...Provides an easy and affordable way of testing your engine’s cooling systemDesigned to assist in checking your antifreeze/coolant to maintain it at the proper concentration$103.11In Stock - Ships in 24 to 48 hrs
- OTC® - Diesel Glow Plug Tester (3673)Universal Diesel Glow Plug Tester by OTC®. Glow Plug Tester provides fault detection through LED's for a quick analysis; Short Circuit, Over Current, Normal Operation, Open Circuit/Under Current.Glow Plug Tester allows for testing without removing glow plug from enginePowers the glow plug to test the plug in it's operating state$223.92In Stock - Ships in 24 to 48 hrs
- OTC® - Econo-Clean Coolant Test Strips Set (75134)Universal Econo-Clean Coolant Test Strips Set by OTC®. To ensure coolant will provide adequate protection to the vehicle, the coolant should be adjusted to the manufacturer's specifications. These accessories will help you quickly test...Provides an easy and affordable way of testing your engine’s cooling systemDesigned to assist in checking your antifreeze/coolant to maintain it at the proper concentration$30.97In Stock - Ships in 24 to 48 hrs
- OTC® - Economy Refrigerant Leak Detector (LD3)Universal Economy Refrigerant Leak Detector by OTC®. The Robinair LD3 Economy Refrigerant Leak Detector is an entry-level leak detector that is compatible with most commonly used refrigerants today including R-1234yf and R-134a. The...Long life, stable sensorAutomatic calibration and reset to ambient$273.67In Stock - Ships in 24 to 48 hrs
- OTC® - Electronic Ignition Spark Tester (6589)Universal Electronic Ignition Spark Tester by OTC®. Use to quickly check spark on 2 and 4 stroke gasoline engines with electronic ignition systems. This product is made of high-quality materials to serve you for years to come. Designed...Designed to help to get your job done rightManufactured utilizing the highest quality materials$28.75In Stock - Ships in 24 to 48 hrs
- OTC® - Fiber Optic Noid Light Extension Cable (6260)Universal Fiber Optic Noid Light Extension Cable by OTC®. A Noid lite is inserted into cup end of extension table, then plugged into vehicle's injector wiring harness. Fiber optic cable is routed out of engine compartment with end...Four foot length permits easy viewing of fuel injector voltage signal from almost anywhere on the vehicleUsed with OTC Nos. 7187, 7188, 7601, 7602, 7608, 7828 and 6023, as well as other brands of Noid lights$51.96In Stock - Ships in 24 to 48 hrs
- OTC® - Fuel Injection Pulse Tester (3398)Universal Fuel Injection Pulse Tester by OTC®. This product is designed and manufactured to help you keep the fuel system of your vehicle in mint condition. It will make fuel system maintenance easier and more convenient, saving your...Check cylinder balance by firing individual injectors at 1/2-second increments in three different rangesPower and output lights indicate test activation$141.26In Stock - Ships in 24 to 48 hrs
- OTC® - Ignition Adapter Connector Kit (3579)Universal Ignition Adapter Connector Kit by OTC®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...Designed to help to get your job done rightManufactured utilizing the highest quality materials$77.18In Stock - Ships in 24 to 48 hrs
- OTC® - LeakTamer EVAP System Kit (6522)Universal LeakTamer EVAP System Kit by OTC®. Keep your pride and joy running in tip-top shape with this top-grade automotive product. With it, you can easily and reliably check your vehicle for leaks to ensure its dependable and...Find the Leak. Clear the Code. Smoke the TestPut better technology and portability in your shop with OTC's new and improved smoke machine$1,583.25In Stock - Ships within 24 hrs
- OTC® - LeakTamer UltraTraceUV™ Solution (6522-1)Universal LeakTamer UltraTraceUV™ Solution by OTC®. UltraTraceUV™ bottle (8 oz./236 ml) patented solution is the only Automaker-approved smoke-producing solution in the world. Contains a special dye that deposits at the exact...Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$76.98In Stock - Ships within 24 hrs
- OTC® - Oil Pressure Sensor SocketUniversal Oil Pressure Sensor Socket by OTC®. This product is manufactured to help you maintain and service your oil system. It will make it easier to keep the oil pressure under control for smooth and safe operation of the system. The...Manufactured for your oil system maintenanceBuilt to enhance your productivity$19.45 - $20.38Availability Varies - Depends on Product Options
- OTC® - Parasitic Draw Test Switch (6945)Universal Parasitic Draw Test Switch by OTC®. Test switch is used with an amp meter to isolate parasitic amperage draws on all GM vehicles or any vehicle with a side- or top-post battery. This tool attaches between the negative battery...Designed to help to get your job done rightManufactured utilizing the highest quality materials$103.04In Stock - Ships in 24 to 48 hrs
- OTC® - Parasitic Draw Tester (7645)Universal Parasitic Draw Tester by OTC®. Finding electrical problems that drain the battery is getting harder all the time. But using No. 7645 with your digital amp meter takes the guesswork out of a complicated job. Attach the test...Designed for your maintenance needsMade from high-grade material for a long lifespan$77.82In Stock - Ships in 24 to 48 hrs
- OTC® - Pressure GaugeUniversal Pressure Gauge by OTC®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at...Designed to help to get your job done rightManufactured utilizing the highest quality materials$32.93 - $58.60Availability Varies - Depends on Product Options
- OTC® - Replacement BulbsUniversal Replacement Bulbs by OTC®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system maintenance needs, delivering features and...Designed for your maintenance needsMade from high-grade material for a long lifespan$13.37 - $668.44Availability Varies - Depends on Product Options
- OTC® - Robinair™ Coolant and Battery Refractometer (75240)Universal Robinair™ Coolant and Battery Refractometer by OTC®. This model can be used for measuring the freezing point of either propylene or ethylene glycol based cooling systems. It can also be used for checking the strength of...Provides an easy and affordable way of testing your engine’s cooling systemDesigned to assist in checking your antifreeze/coolant to maintain it at the proper concentration$81.48In Stock - Ships in 24 to 48 hrs
- OTC® - Robinair™ Heavy-Duty Truck Econo-Clean Coolant Test Strips (75234)Universal Robinair™ Heavy-Duty Truck Econo-Clean Coolant Test Strips by OTC®. Test your engine’s cooling system with this easy-to-use and reliable tester to prevent freeze-ups in cold weather and boil-overs during hot conditions and...To ensure coolant will provide adequate protection to the vehicle, the coolant should be adjusted to the manufacturer's specificationsThese accessories will help you quickly test coolant$53.16In Stock - Ships in 24 to 48 hrs
- OTC® - Robinair™ LD7 Premium Refrigerant Leak Detector (LD7)Universal Robinair™ LD7 Premium Refrigerant Leak Detector by OTC®. The Robinair LD7 Premium Refrigerant Leak Detector features a new color graphic display that highlights leak sizes in two unique ways. Bar graph mode shows the amount...Patented 3 LED UV lights with 395-415 nmWavelength is optimum for a/c dye fluorescence$407.62In Stock - Ships in 24 to 48 hrs
- OTC® - Select Refrigerant Leak Detector (LD5)Universal Select Refrigerant Leak Detector by OTC®. The Robinair LD5 Select Refrigerant Leak Detector features a new color graphic display that helps locate leaks using a unique bar graph mode to show the amount of refrigerant...Unique color graphic LCD displayLong life, stable sensor$378.49In Stock - Ships in 24 to 48 hrs
- OTC® - Standard Terminal Adapter Test Kit (3587)Universal Standard Terminal Adapter Test Kit by OTC®. For the professional electronic diagnostic technician. Set includes an assortment of 28 flexible, color-coded connectors that adapt to Packard WeatherPack, Metri-Pack, and Micro-Pack...Excellent accessory when testing with a scope or meter32-piece standard terminal adapter set for the popular Packard Weather Pack, Metri-Pack, and Micro-Pack style connectors. Multiple external-internal versions of adapter styles$514.46In Stock - Ships in 24 to 48 hrs
- OTC® - Timing LightUniversal Timing Light by OTC®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at...All metal inductive pickupDesigned to help to get your job done right$95.96 - $185.20Availability Varies - Depends on Product Options
- OTC® - Vacuum Tester (6978)Universal Vacuum Tester by OTC®. This product is designed and manufactured to help you keep the fuel system of your vehicle in mint condition. It will make fuel system maintenance easier and more convenient, saving your time and...Designed for your fuel system maintenanceMade from quality materials to survive the test of time$106.34In Stock - Ships in 24 to 48 hrs
- ATD® - 0 to 10 psi Deluxe Vacuum and Fuel Pressure Tester (5657)Universal 0 to 10 psi Deluxe Vacuum and Fuel Pressure Tester by ATD®. This product is designed and manufactured to help you keep the fuel system of your vehicle in mint condition. It will make fuel system maintenance easier and more...Complete with of high quality hose, plus fittings to test domestic and foreign cars and trucks with gasoline EngineCompound gauge has a multicolor dual scale dial with ranges from pressure and vacuum$33.92In Stock - Ships within 24 hrs
- ATD® - 0 to 400 psi Quick Change Automatic Transmission and Engine Oil Pressure Tester (5608)Universal 0 to 400 psi Quick Change Automatic Transmission and Engine Oil Pressure Tester by ATD®. This product is manufactured to help you maintain and service your oil system. It will make it easier to keep the oil pressure under...Gauges has dual scaleQuick coupler connection on gauge assembly for fast, easy changing of gauge to the hose assembly$152.75In Stock - Ships within 24 hrs
