Workhorse Semi Truck Diagnostic & Testing Tools
- Performance Tool®Brake Fluid TesterUniversal Brake Fluid Tester by Performance Tool®. 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...Determines Moisture Level in Brake Fluid5 LED Readout Indicates Percentage of Moisture$22.36 - $31.34
- Fowler High Precision®Drum and Rotor Measuring KitUniversal Drum and Rotor Measuring Kit by Fowler High Precision®. 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...Designed to help to get your job done rightManufactured utilizing the highest quality materials$57.22 - $93.78
- Fowler High Precision®EZ-Drum Electronic Brake Drum GaugeUniversal EZ-Drum Electronic Brake Drum Gauge by Fowler High Precision®. 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...Beam has vernier scale to double check readingDesigned to help to get your job done right$182.27 - $213.11
- Fowler High Precision®Rotocal™ 0 to 5.5" Electronic Rotor GaugeUniversal Rotocal™ 0 to 5.5" Electronic Rotor Gauge by Fowler High Precision®. 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...Direct inch/metric/fraction conversionWater resistant to IP54 standards$75.61 - $124.12
- Performance Tool®0 to 1000 psi Analog Diesel Compression Tester KitUniversal 0 to 1000 psi Analog Diesel Compression Tester Kit by Performance Tool®. 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...Only the best build qualityDesigned specifically to help you$49.04 - $123.80
- Autel®MaxiSYS™ 1 Year Software Update Total Care Program CardUniversal MaxiSYS™ 1 Year Software Update Total Care Program Card by Autel®. 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...Assists in the vehicle’s diagnostics to help maintain its well-beingBuilt to make the process fast, easy, and reliable$850.00 - $1,495.00
- Autel®MaxiSYS™ 1 Year Update and Warranty Total Care Program CardUniversal MaxiSYS™ 1 Year Update and Warranty Total Care Program Card by Autel®. 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...Assists in the vehicle’s diagnostics to help maintain its well-beingBuilt to make the process fast, easy, and reliable$795.00 - $1,300.91
- Autel®MaxiVideo™ 5.5 mm Recording Waterproof Videoscope Inspection SystemMaxiVideo™ 5.5 mm Recording Waterproof Videoscope Inspection System by Autel®. 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...Imager Head and Cable Waterproof to 3 m (10')Records and plays back still images and video clips$139.95 - $187.62
- Auto Meter®DPL Technology™ Intelligent Handheld Battery TesterUniversal DPL Technology™ Intelligent Handheld Battery Tester by Auto Meter®. 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...Tests flooded, deep cycle, and AGM batteries with also detects discharged batteries, bad cells, and has built in reverse polarity protectionThis tester applies a true load to the battery in order to simulate real world operating conditions consistent$414.36 - $906.95
- Auto Meter®Variable Electrical System and Battery Load TesterUniversal Variable Electrical System and Battery Load Tester by Auto Meter®. 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...Designed to help to get your job done rightManufactured utilizing the highest quality materials$579.95 - $2,757.95
- Baldwin Filters®FleetStrip™ Coolant Test Strip KitUniversal FleetStrip™ Coolant Test Strip Kit by Baldwin Filters®. Liquid supplemental coolant additives can be used instead of coolant filters to replenish the cooling system when depleted. Periodic testing of coolant mixtures should...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$2.67 - $12.93
- Daytona Sensors®WEGO™ ChannelUniversal WEGO™ Channel by Daytona Sensors®. 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...Air/fuel ratio display systems with built-in data logging for single exhaust systemTuning aid for all carbureted and fuel injected engines$529.00 - $724.21
- Electronic Specialties®Digital Electrical System and Battery TesterUniversal Digital Electrical System and Battery Tester by Electronic Specialties®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system...Accurate Battery & Electrical System TesterFeatures programmed test for new Start/Stop Batteries$256.66
- Electronic Specialties®Fuse Buddy™ ATC Fuse TesterUniversal Fuse Buddy™ ATC Fuse Tester by Electronic Specialties®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system maintenance...Designed for your maintenance needsMade from high-grade material for a long lifespan$22.26 - $22.63
- Electronic Specialties®Fuse Buddy™ Current LoopUniversal Fuse Buddy™ Current Loop by Electronic Specialties®. Just clamp your current probe over the loop to access the amperage draw through a fused circuit. Easy testing access, plugs right into fuse socket, no more hand made...Designed to help to get your job done rightManufactured utilizing the highest quality materials$17.97
- Equus®INNOVA™ Timing LightUniversal INNOVA™ Timing Light by Equus®. 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...One-hand OperationDesigned to help to get your job done right$74.32 - $144.72
- FJC®A/C Fluorescent Leak Detection DyeUniversal A/C Fluorescent Leak Detection Dye by FJC®. 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...Designed to help to get your job done rightManufactured utilizing the highest quality materials$2.81 - $57.03
- FJC®Battery TesterUniversal Battery Tester by FJC®. The Power Division of FJC is an industry-leading manufacturer and distributor of power electronic products and systems for mobile markets including battery testers, chargers, maintainers, power...Manufactured for your battery maintenance tasksBuilt to meet strict quality standards and safety requirements$42.30 - $363.70
- FJC®Carbon Pile Battery Load TesterUniversal Carbon Pile Battery Load Tester by FJC®. The Power Division of FJC is an industry-leading manufacturer and distributor of power electronic products and systems for mobile markets including battery testers, chargers,...Separate Volt and A metersDesigned to help to get your job done right$142.24 - $430.56
- FJC®Radiator Coolant DyeUniversal Radiator Coolant Dye by FJC®. Radiator Coolant Dyes by FJC are for use with Ultraviolet leak detection kits to aid in finding coolant leaks. These dyes are made of high-quality materials with customers in mind.Pinpoint leaks in cooling systems, including radiators, hoses, fittings, water pumps and head gasketsUse 1 oz per 4 gallons coolant$6.79 - $6.92
- FJC®Universal DyeUniversal Universal Dye by FJC®. Universal dye specially formulated to pinpoint car oil leaks, transmission leaks, fuel leaks, and power steering fluid leaks. Keep your pride and joy running in tip-top shape with this top-grade...Can be detected using any UV or Blue LightPOE Ester based$8.87 - $32.99
- Flaming River®Self-Powered Single-Wire Timing LightUniversal Self-Powered Single-Wire Timing Light by Flaming River®. 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...State-of-the-art single-wire design (operated on two D-Cell batteries)Excellent for use with magnetos and all spark ignition systems$86.10 - $154.97
- Fragola Performance Systems®Hose Pressure Tester KitUniversal Hose Pressure Tester Kit by Fragola Performance Systems®. 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...Perfect solution for leak detectionJust the way to get the job done quickly and hassle free$20.43 - $31.15
- Interdynamics®AutoPRO™ Oil/Fuel Systems UV Fluorescent Leak Detector DyeUniversal AutoPRO™ Oil/Fuel Systems UV Fluorescent Leak Detector Dye by Interdynamics®. Certified A/C Pro Oil And Fuel Systems UV Dye is for use in engine oil, transmissions, power steering systems, and gas or diesel fuel systems to...Oil and Fuel System UV DyeOne application of oil & fuel system UV leak detection dye$6.60 - $10.94
- Lang Tools®0 to 300 psi Analog Petrol Compression Tester SetUniversal 0 to 300 psi Analog Petrol Compression Tester Set by Lang Tools®. 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...Designed to help to get your job done rightManufactured utilizing the highest quality materials$53.88 - $139.31
- Lang Tools®Magnetic Retractable Test LeadsUniversal Magnetic Retractable Test Leads by Lang Tools®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system maintenance needs,...Retractable test leads pull out and stay at desired length and rewind into its own protective case when not in useDesigned for your maintenance needs$25.32 - $36.03
- Lang Tools®Retractable Test LeadsUniversal Retractable Test Leads by Lang Tools®. 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...Retractable test leads pull out and stay at desired length and rewind into its own protective case when not in useDesigned for your maintenance needs$14.56 - $29.43
- Lisle®Deluxe Relay Tester SetUniversal Deluxe Relay Tester Set by Lisle®. Includes 8 Jumpers to Fit Most Popular Relays. Also Includes Test Lead Kit and Relay Puller Pliers. Jumpers have tabs for clamping and flat pads to place test leads on. No need to pierce...Designed for your maintenance needsMade from high-grade material for a long lifespan$155.82
- Lisle®Replacement BulbUniversal Replacement Bulb by Lisle®. 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...Designed to help to get your job done rightManufactured utilizing the highest quality materials$3.45 - $4.11
- Longacre®Replacement Screw-In Steel Swivel FeetsUniversal Replacement Screw-In Steel Swivel Feets by Longacre®. This top-notch product is designed to help you get in the know of the vehicle’s weight. Made from superior materials, it will provide you with the utmost in quality,...1/2" - 13Designed to help to get your job done right$49.99 - $104.99