Semi Truck Diagnostic & Testing Tools
- Code Readers & Scanners
- Anti-Freeze & Coolant Testers
- Electrical Testers
- Timing Lights
- Fuel System Testers
- Ignition Testers
- Brake Testers & Measuring Tools
- Coating Thickness Gauges
- Oil Pressure Test Tools
- Engine Compression Testers
- Diagnostic Leak Detection
- Headlight Alignment Systems
- Suspension Testers
- Vehicle Scales
- Refrigerant Identifiers
- Window Tint Meters
- Exhaust System Testers
- Auto Inspection Cameras & Scopes
Featured Brands
- Supercool®8 oz. R-134a PAG Oil and UV Dye (27880)Universal 8 oz. R-134a PAG Oil and UV Dye (27880) by Supercool®. With U/V Dye. 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...Advanced high performance synthetic PAGProvides excellent resistance to moisture$9.07
- Supercool®8 oz. Radiator Coolant UV Dye (RD8)Universal 8 oz. Radiator Coolant UV Dye (RD8) by Supercool®. With Self Measure Bottle. 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...Fluorescent Radiator Leak DetectionProfessional U/V leak detector dye$21.15
- Supercool®8 oz. SAE Certified Super UV Dye (22816)Universal 8 oz. SAE Certified Super UV Dye by Supercool®. Self-Measure Bottle. 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...SAE Certified for R134a and HFO-1234yf A/C SystemsSafe for hybrid and electric A/C systems$34.00
- Supercool®8 oz. Seal Leak Stop Concentrate (ST8)Universal 8 oz. Seal Leak Stop Concentrate by Supercool®. Self-Measure Bottle Treats. 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...Does not contain polymersWill not contaminate R and R machines$33.41
- Supercool®9 LEDs UV Light with Dye Enhancing Glasses (25862)Universal 9 LEDs UV Light with Dye Enhancing Glasses by Supercool®. 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...Fluoresces All Common U/V DyesIncludes 3 AAA 1.5 V Batteries$27.57
- Supercool®A/C Total Leak Stop Syringe with Installation Hose (27200)Universal A/C Total Leak Stop Syringe with Installation Hose (27200) by Supercool®. With Installation Hose. Quick Connect Installation Hose in Clamshell. Keep your pride and joy running in tip-top shape with this top-grade automotive...Stops small leaks in evaporators, condensers, rubber hoses, gaskets and O-ringsContains U/V Dye for leak detection$34.33
- Supercool®Dye Droppers (DD)Universal Dye Droppers by Supercool®. 1 ml. scale. 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...Plastic measuring cup with 8 ounce scaleMeasure the exact amount of oil for the system being serviced$0.92
- Supercool®Extendable U/V Penlight (7301)Universal Extendable U/V Penlight by Supercool®. 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...Perfect for close-up leak inspections of automotive systems containing U/V DyeLight duty medium intensity U/V LED$21.62
- Supercool®Green Single Application A/C UV Dye, 0.25 oz. x 12 Tubes (D1-12)Universal Green Single Application A/C UV Dye, 0.25 oz. x 12 Tubes by Supercool®. (12-pack) in Clamshell. Keep your pride and joy running in tip-top shape with this top-grade automotive product. With it, you can easily and reliably...Effective in R-134a and R-12 refrigeration systemsDetectable when exposed to U/V light$27.18
- Supercool®High Powered LED UV Light with Dye Enhancing Glasses (27408)Universal High Powered LED UV Light with Dye Enhancing Glasses by Supercool®. High Powered U/V Leak Detection Light with Glasses in clamshell. Keep your pride and joy running in tip-top shape with this top-grade automotive product. With...Illuminates fluorescent dyes brilliantlyHigh intensity beam makes even small leaks visible and is bright enough to be used in low light as well as daylight and brightly lit areas$39.18
- Supercool®R-134a A/C Seal Leak Stop Charge with Red Leak Detection Dye (24087)Universal R-134a A/C Seal Leak Stop Charge with Red Leak Detection Dye by Supercool®. Rubber Only Components. Keep your pride and joy running in tip-top shape with this top-grade automotive product. With it, you can easily and reliably...Stops small leaks in rubber hoses, gaskets and sealsCompatible with PAG, Ester and Mineral oils$8.63
- Supercool®U/V Enhancing Glasses (9336)Universal U/V Enhancing Glasses by Supercool®. Yellow glasses help to enhance ultraviolet dye. 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...Yellow Glasses help to enhance the glow of ultraviolet dyesANSI Z87.1S rated$14.29
- Symtech®Battery Charger (05015000)Universal Battery Charger by Symtech®. Made In USA!. 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, this product by Symtech® will...Rigorous quality you can trustLong and dependable service$60.06
- Thexton®0 to 40,000 volts Ignition Spark Tester (404)Universal 0 to 40,000 volts Ignition Spark Tester by Thexton®. Works on ignition systems from high energy electronic automotive systems to small engines. This top-grade product is expertly made in compliance with stringent industry...Tests for no start conditions and for spark strengthAdjustable gap allows for spark gap requirements$17.02
- Thexton®Hitachi™ Coil D Adapter (412)Universal Hitachi™ Coil D Adapter by Thexton®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Built for maximum strength and enduranceExpertly crafted from the highest grade materials$10.00
- Thexton®Professional DEF Tester (108)Universal Professional DEF Tester by Thexton®. The DEF-TESTER is designed to test the urea concentration of Diesel Exhaust Fluid. Professional disc-type 16-1/4" tester is accurate at all temperatures. Easy to read discs are magnified by...Designed for your fuel system maintenanceMade from quality materials to survive the test of time$17.36
- Torque Solution®2.5" Boost Leak Tester Adapter (TS-BLT-25)Universal 2.5" Boost Leak Tester Adapter (TS-BLT-25) by Torque Solution®. The Torque Solution Boost Leak Tester is machined from billet aluminum and black anodized to look good in any ones tool box. Don't skimp on quality, which is why...CNC Machined 6061-T6 Billet AluminumBlack Anodized w/ Torque Solution Logo$60.32
- Torque Solution®3" Boost Leak Tester Adapter (TS-BLT-3)Universal 3" Boost Leak Tester Adapter (TS-BLT-3) by Torque Solution®. The Torque Solution Boost Leak Tester is machined from billet aluminum and black anodized to look good in any ones tool box. Don't skimp on quality, which is why...CNC Machined 6061-T6 Billet AluminumBlack Anodized w/ Torque Solution Logo$60.32
- Torque Solution®4" Boost Leak Tester Adapter (TS-BLT-4)Universal 4" Boost Leak Tester Adapter (TS-BLT-4) by Torque Solution®. The Torque Solution Boost Leak Tester is machined from billet aluminum and black anodized to look good in any ones tool box. Don't skimp on quality, which is why...CNC Machined 6061-T6 Billet AluminumBlack Anodized w/ Torque Solution Logo$64.96
- Torque Solution®Aluminum Black Anodized Boost Leak Tester (TS-BLT-BILLET)Universal Aluminum Black Anodized Boost Leak Tester by Torque Solution®. The Torque Solution Boost Leak Tester is machined from billet aluminum and black anodized to look good in any ones tool box. The tester accepts any 3" coupler or...CNC Machined 6061T6 Billet Aluminum$43.62
- Torque Solution®Boost Leak Tester for 2.25" Turbo Inlet (TS-BLT-2.25)Universal Boost Leak Tester for 2.25" Turbo Inlet by Torque Solution®. The Torque Solution Boost Leak Tester is machined from billet aluminum and black anodized to look good in any ones tool box. We don't skimp on quality, which is why...CNC Machined 6061-T6 Billet AluminumBlack Anodized w/ Torque Solution Logo$60.32
- Tracer Products®6 W Replacement Titan Stinger Lamps Bulb (TP8310)Universal 6 W Replacement Titan Stinger Lamps Bulb by Tracer Products®. 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...Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$20.46
- Tracer Products®BigEZ™ A/C Leak Detection Kit (LF016)Universal BigEZ™ A/C Leak Detection Kit by Tracer Products®. The most effective way to add A/C dye to R-134a/R-1234yf/PAG A/C systems. Ideal for high-volume shops. Keep your pride and joy running in tip-top shape with this top-grade...Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$174.51
- Tracer Products®Complete A/C and Fluid Leak Detection Kit (LF021)Universal Complete A/C and Fluid Leak Detection Kit by Tracer Products®. Refillable, multi-color dye kit for A/C and Fluid Leaks. Keep your pride and joy running in tip-top shape with this top-grade automotive product. With it, you can...Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$116.78
- Tracer Products®Dye-Lite Rite-Blend™ 8 oz. A/C System Leak Detection Dye, 8 oz. x 1 Bottle (TP3940-0008)Universal Dye-Lite Rite-Blend™ 8 oz. A/C System Leak Detection Dye, 8 oz. x 1 Bottle by Tracer Products®. Keep your pride and joy running in tip-top shape with this top-grade automotive product. With it, you can easily and reliably...Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$31.22
- Tracer Products®Dye-Lite™ 1 oz. Water-Based Engine Coolant and Auto Body Leak Check Dye (TP3900)Universal Dye-Lite™ 1 oz. Water-Based Engine Coolant and Auto Body Leak Check Dye by Tracer Products®. Keep your pride and joy running in tip-top shape with this top-grade automotive product. With it, you can easily and reliably check...Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$24.21
- Tracer Products®EZ-Ject™ 0.25 oz. R-1234yf A/C Dye, 0.25 oz. x 3 Cartridges (TP9825-P3)Universal EZ-Ject™ 0.25 oz. R-1234yf A/C Dye, 0.25 oz. x 3 Cartridges (TP9825-P3) by Tracer Products®. Multi-dose, services up to 14 vehicles. Keep your pride and joy running in tip-top shape with this top-grade automotive product....Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$90.08
- Tracer Products®EZ-Ject™ 0.5 oz. R-1234yf, R-134a A/C Dye, 0.5 oz. x 6 Cartridges (TP9870-P6)Universal EZ-Ject™ 0.5 oz. R-1234yf, R-134a A/C Dye, 0.5 oz. x 6 Cartridges (TP9870-P6) by Tracer Products®. Multi-dose, services up to 14 vehicles. Tracerline Universal/Ester dyes are compatible with R-1234yf, R-134a, and other...Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$77.61
- Tracer Products®EZ-Ject™ 1 oz. Complete A/C and Fluid Dye UV Leak Detection Kit (TPOPUV17)Universal EZ-Ject™ 1 oz. Complete A/C and Fluid Dye UV Leak Detection Kit by Tracer Products®. Includes EZ-Ject™ injector and EZ-Ject™ cartridge for multi-dose A/C servicing. Universal/Ester dye for all refrigerant system types....Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$232.93
- Tracer Products®EZ-Shot/BigEZ™ Complete A/C and Fluid Dye UV Leak Detection Kit (TPOPUV16)Universal EZ-Shot/BigEZ™ Complete A/C and Fluid Dye UV Leak Detection Kit by Tracer Products®. Includes EZ-Shot™ injector and BigEZ™ cartridge for high-volume A/C servicing. Universal/Ester dye for all refrigerant system types....Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$262.93
With today’s high-tech computer and electronics packed vehicles, electronic testers and diagnostic equipment have become the main weapons in the vehicle service arsenal, so we’ve stocked our digital shelves with scan tools, multimeters, analyzers and much more. When you’re armed with these electronic tools, you’ll be able to defeat any CHECK ENGINE light, blown fuse, balky window, recalcitrant alternator, or any other electrical malfunction with ease.
Electronic testers range from simple jumper wires, also called test leads, to sophisticated engine scan tools. Test leads allow you to bypass a circuit and directly test a component by applying 12 volts from the battery. Test lights, also called circuit testers, are essential tools for determining whether voltage is present at particular points in circuits. There are circuit powered and self-powered test lights, also known as continuity testers.
Test lights can tell you whether voltage is present, but they can’t tell you how much. For specific values you need a voltmeter, which is routinely packaged with an ohmmeter and ammeter in an electronic tester called a multimeter. There are analog meters that have a needle and a scale, but Digital Multi-Meters (DMM), also known as Digital Volt Ohm Meters (DVOM) are necessary for computer controlled circuits. Voltmeters can display the amount of voltage, such as when testing a battery or charging system, and test voltage drop. Ohmmeters measure resistance in a circuit and ammeters measure current flow.
A scan tool provides access to your vehicle’s computer control system via a cable connected to the Data Link Connector (DLC). With a scan tool you can read the Diagnostic Trouble Codes (DTCs) that cause CHECK ENGINE, Air Bag, and ABS dash lights to illuminate. Tool capability varies, and some can also read, record, and playback sensor data, display I/M monitor status, read and display freeze frame data, download to a PC, and be updated via USB port. In addition to erasing DTCs, some scan tools can also be used to reset oil lights and other warning lights.
Along with the above mentioned essentials, we also have many more diagnostic time savers including noid lights to check fuel injectors, current probes to measure current without disturbing the circuit, battery testers, infrared thermometers for instantaneous temperature indication, inspection cameras for peaks into the smallest places, and much more. And if you have an older, pre-computer controlled vehicle we have the tools you need to make adjustments and keep your vehicle running right, like timing lights to check initial timing and timing advance, and dwell/tachs to set breaker points and idle speed.