Skip Content

Want to pay an invoice? Please call us at 1-800-GRAINGER (1-800-472-4643).

Filter Results By

Item
Brand
Price
Shop By
Ratings

Tester Kits

138 Results Found that Include 138 Products

Results per page:  16 | 32 | 48
Compression Tester
Tester
  • QUICK CABLE
  • Tester Tester
  • Item # 5NEF9
  • Mfr. Model # 120152-396-001
  • Tester, Battery, Used For Determining Battery Cell Condition,Displays Specific Gravity, Includes Instruction...More

Stethoscope
  • TM

    Grainger Choice

  • WESTWARD
  • Stethoscope Stethoscope
  • Item # 1MZU2
  • Mfr. Model # 1MZU2
  • Stethoscope, Mechanics, Used For Locating Troubles In Engines, Bearing And Other Moving Parts, Material...More

Antifreeze/Coolant Tester
  • TM

    Grainger Choice

  • WESTWARD
  • Antifreeze/Coolant Tester Antifreeze/Coolant Tester
  • Item # 1DXL6
  • Mfr. Model # 1DXL6
  • ;Number Of Floating Discs Measures The Degree Of Coolant Protection, Tests Both Hot And Cold Coolant, Reads...More

Professional Antifreeze Tester
  • TM

    Grainger Choice

  • WESTWARD
  • Professional Antifreeze Tester Professional Antifreeze Tester
  • Item # 1DXL7
  • Mfr. Model # 1DXL7
  • ;Used To Test All Permanent Ethylene Glycol Antifreeze Solutions To Determine The Degree Of Coolant...More

Stethoscope
  • GEARWRENCH
  • Stethoscope Stethoscope
  • Item # 2ZPG5
  • Mfr. Model # 835D
  • Stethoscope, Mechanics, Used For Locating Engine Noise, Features -, Displays -, Material Aluminum Steel Probe...More

Compression Tester
  • TM

    Grainger Choice

  • WESTWARD
  • Compression Tester Compression Tester
  • Item # 1MZU3
  • Mfr. Model # 1MZU3
  • Compression Tester, Engine Cylinder Leakage, Used For Checking Engine Cylinder Compression Pressure On...More

Anti-Freeze Tester
Anti-freeze Tester
Antifreeze Tester
  • TM

    Grainger Choice

  • WESTWARD
  • Antifreeze Tester Antifreeze Tester
  • Item # 1DXL8
  • Mfr. Model # 1DXL8
  • Includes Built In Thermometer, Complete With Acid Proof Scale;Used To Test All Ethylene Glycol Permanent...More

Hydrometer
  • TM

    Grainger Choice

  • WESTWARD
  • Hydrometer Hydrometer
  • Item # 1DXL9
  • Mfr. Model # 1DXL9
  • ;Used To Test Ethylene Glycol Antifreeze Solutions To Determine The Degree Of Coolant Protection;Used For All...More

Pocket Code Reader
CAN/ABS Scan Tool
  • OTC
  • CAN/ABS Scan Tool CAN/ABS Scan Tool
  • Item # 22A825
  • Mfr. Model # 3111PRO
  • CAN/ABS Scan Tool, OBD II, Used For Diagnostics, Features Trilingual OBD LI Can/Abs Scan tool w/ 3 Million...More

Cylinder Leakage Tester
  • TM

    Grainger Choice

  • WESTWARD
  • Cylinder Leakage Tester Cylinder Leakage Tester
  • Item # 1MZR9
  • Mfr. Model # 1MZR9
  • Cylinder Leakage Tester, Used For Domestic And Import Cars, Material Aluminum, Brass, Common Steel, Rubber...More

Automotive Circuit Tester
  • EXTECH
  • Automotive Circuit Tester Automotive Circuit Tester
  • Item # 40JZ71
  • Mfr. Model # ET30A
  • Automotive Circuit Tester, Pen, Used For Diagnostics, Operating Range 6 to 24VDC, For Use On For Checking Low...More

Tester Kit
  • TM

    Grainger Choice

  • WESTWARD
  • Tester Kit Tester Kit
  • Item # 1MZT6
  • Mfr. Model # 1MZT6
  • Tester Kit, Universal Compression, Used For Testing Compression For Cylinder Pressure, Material Copper, Zinc,...More

Digital Timing Light Kit
  • OTC
  • Digital Timing Light Kit Digital Timing Light Kit
  • Item # 3CCN4
  • Mfr. Model # 3367
  • Digital Timing Light Kit, Professional, Includes Timing Light With Durable Plated ABS Housing And Over-Molded...More

Pressure Tester Kit
  • TM

    Grainger Choice

  • WESTWARD
  • Pressure Tester Kit Pressure Tester Kit
  • Item # 1MZT3
  • Mfr. Model # 1MZT3
  • Pressure Tester Kit, Vacuum and Fuel Pump, Used For Diagnoses On Valve Leaks, Incorrect Timing, Leaky Intake...More

Universal Dye Cartridges
  • ROBINAIR
  • Universal Dye Cartridges Universal Dye Cartridges
  • Item # 1DZL1
  • Mfr. Model # 16356
  • Universal Dye Cartridges, A/C, Used To Locate A/C System Leaks In Both Automotive And HVAC Systems, Enough...More

Cylinder Leakage Tester Kit
  • OTC
  • Cylinder Leakage Tester Kit Cylinder Leakage Tester Kit
  • Item # 22A830
  • Mfr. Model # 5609
  • Cylinder Leakage Tester Kit, Tester, Used For Diagnostics, Features Quickly Diagnose internal Engine Problems...More

UV Leak Detection Kit
  • ROBINAIR
  • UV Leak Detection Kit UV Leak Detection Kit
  • Item # 1DZK8
  • Mfr. Model # 16350
  • UV Leak Detection Kit, A/C, Features High Intensity Beam, UV Bulb Rated For 3000 Hours, Designed With Super...More

Universal Dye Cartridges
  • ROBINAIR
  • Universal Dye Cartridges Universal Dye Cartridges
  • Item # 1DZL2
  • Mfr. Model # 16357
  • Universal Dye Cartridges, A/C, Used To Locate A/C System Leaks In Both Automotive And HVAC Systems, Enough...More

Tester
  • TM

    Grainger Choice

  • WESTWARD
  • Tester Tester
  • Item # 1MZT4
  • Mfr. Model # 1MZT4
  • Tester, Fuel Injection, Used For Testing Pressure Fuel Injection Systems, Material Copper And Steel, Number...More

Engine Oil Pressure Tester Kit
  • TM

    Grainger Choice

  • WESTWARD
  • Engine Oil Pressure Tester Kit Engine Oil Pressure Tester Kit
  • Item # 1MZT9
  • Mfr. Model # 1MZT9
  • Engine Oil Pressure Tester Kit, Dual Gauge, Used For Checking Engine Oil Pressure On Domestic and Import...More

Spark Tester
  • OTC
  • Spark Tester Spark Tester
  • Item # 45NU95
  • Mfr. Model # 6589
  • Spark Tester, Used For Check for Spark On Gasoline Engines, For Use On Gasoline Engines Used In Domestic,...More

Automotive and Heavy-Duty Service Tool
  • TRACERLINE
  • Automotive and Heavy-Duty Service Tool Automotive and Heavy-Duty Service Tool
  • Item # 36PW89
  • Mfr. Model # TP-9870CS
  • Automotive and Heavy-Duty Service Tool, Fluorescent A/C Dye, Used For Detecting Automotive A/C Leaks,...More

Heavy-Duty Service Tool
  • TRACERLINE
  • Heavy-Duty Service Tool Heavy-Duty Service Tool
  • Item # 36PW92
  • Mfr. Model # TP-8657HD
  • Heavy-Duty Service Tool, Fluorescent A/C, Oil and Coolant Dye Kit, Used For Detecting Heavy-Duty A/C, Oil and...More

Leak Detector Tester Kit
  • OTC
  • Leak Detector Tester Kit Leak Detector Tester Kit
  • Item # 22A814
  • Mfr. Model # 6522
  • Leak Detector Tester Kit, Used For To Diagnose Evap Trouble, Features Easy Effective Versatile tool to Help...More

Tester Kit
  • TM

    Grainger Choice

  • WESTWARD
  • Tester Kit Tester Kit
  • Item # 1MZT1
  • Mfr. Model # 1MZT1
  • Tester Kit, Diesel Compression, Used For Diesel Engine Work, Material Copper And Steel, Number of Pieces 7,...More

Oil Pressure Tester Kit
  • TM

    Grainger Choice

  • WESTWARD
  • Oil Pressure Tester Kit Oil Pressure Tester Kit
  • Item # 1UBG3
  • Mfr. Model # 1UBG3
  • Tester Kit, Oil Pressure, Used For For Testing Engine Oil Pressure In The Oil Filter On Most Car And Light...More

Tester
  • TM

    Grainger Choice

  • WESTWARD
  • Tester Tester
  • Item # 1MZT5
  • Mfr. Model # 1MZT5
  • Tester, Exhaust Pressure, Material Copper And Steel, Number of Pieces 4, Enables Technician to Test Exhaust...More

Remote Starter Switch
  • OTC
  • Remote Starter Switch Remote Starter Switch
  • Item # 45NU94
  • Mfr. Model # 3650
  • Remote Starter Switch, Used For Start and Crank Engine While Under The Hood or From Either Side of The...More

Results per page:  16 | 32 | 48

Auto diagnostic tools from Grainger include a wide range of products you can use to diagnose automotive engine, electrical and other problems. Test your battery with a battery hydrometer, determine your coolant protection with an antifreeze hydrometer, locate engine noise with a mechanic’s stethoscope or find valve and manifold problems with a vacuum and fuel pump tester. Find out about almost any problem with cars, trucks, SUVs and RVs when you use reliable auto diagnostic tools from Grainger.

Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More