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10 Best diagnostic test measurement tools of 2026

Save up to 47% off
  • Best Choice

    1

    A-Premium 2025 PD200 Enhanced 4 System OBD2 Scanner Diagnostic Tool, All Function Check Engine Code Reader Scan Tool, for Engine/ABS/SRS/Transmission System, 8 Reset, Free Online Update
    A-Premium
    9.7
    Exceptional

    A-Premium 2025 PD200 Enhanced 4 System OBD2 Scanner Diagnostic Tool, All Function Check Engine Code Reader Scan Tool, for Engine/ABS/SRS/Transmission System, 8 Reset, Free Online Update

    • manufacturer part number: 0APOBD001
    • item weight: 1.59 pounds
    • customer reviews:4.5 4.5 out of 5 stars 96 ratings 4.5 out of 5 stars
    • package dimensions: 9.92 x 8.15 x 2.68 inches
    • asin:B0CS6R26TK
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  • Value for Money

    2

    FOXWELL Car Scanner NT604 Elite OBD2 Scanner ABS SRS Transmission, Check Engine Code Reader for Cars and Trucks, Diagnostic Scan Tool with SRS Airbag, Automotive Diagnostic Tool with Live Data
    FOXWELL
    9.6
    Exceptional

    FOXWELL Car Scanner NT604 Elite OBD2 Scanner ABS SRS Transmission, Check Engine Code Reader for Cars and Trucks, Diagnostic Scan Tool with SRS Airbag, Automotive Diagnostic Tool with Live Data

    18% Off
    • manufacturer part number:‎NT604 ELITE
    • item weight:‎2.79 pounds
    • customer reviews:4.3 4.3 out of 5 stars 4,432 ratings 4.3 out of 5 stars
    • package dimensions:N/A
    • asin:B08PFJMTY3

  • 3

    ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)
    ANCEL
    9.5
    Excellent

    ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

    36% Off

  • 4

    MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow
    MOTOPOWER
    9.4
    Excellent

    MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

    47% Off
    • manufacturer part number:‎MP69033
    • item weight:‎10.2 ounces
    • customer reviews:4.6 4.6 out of 5 stars 48,090 ratings 4.6 out of 5 stars
    • package dimensions:N/A
    • asin:B07Z3HB7DR

  • 5

    FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light
    FOXWELL
    9.3
    Excellent

    FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

    20% Off
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  • 6

    Goniometer 12 inch 360° Clear Protractor Physical Therapy, for Medical Range of Motion Measurement Angle Ruler and Protractors Bulk for Classroom
    YAMHOHO
    9.1
    Excellent

    Goniometer 12 inch 360° Clear Protractor Physical Therapy, for Medical Range of Motion Measurement Angle Ruler and Protractors Bulk for Classroom

    16% Off
    • part number: YAMHOHO
    • color: Transparency-12in
    • item weight: 2.39 ounces
    • customer reviews:4.7 4.7 out of 5 stars 75 ratings 4.7 out of 5 stars
    • package dimensions: 11.06 x 2.28 x 0.28 inches

  • 7

    GEARWRENCH Professional Bi-Directional Diagnostic Scan Tool | GWSMARTBT
    GEARWRENCH
    Available in: 6 styles
    9.0
    Excellent

    GEARWRENCH Professional Bi-Directional Diagnostic Scan Tool | GWSMARTBT

    29% Off
    • manufacturer part number:‎GWSMARTBT
    • item weight:‎3.87 ounces
    • customer reviews:4.0 4.0 out of 5 stars 476 ratings 4.0 out of 5 stars
    • package dimensions:N/A
    • asin:B0DBJGKGB7

  • 8

    Motorcycle System Diagnostic Test Measurement Tools M3-A Motorcycle Fault Code Readers Scan Tools Moto Diagnostic Test Measurement Tools Compatible for Yamaha 2/3/4P,Kawasaki 4-6P,Honda 4P,OBDII 16P
    QPKING
    Available in: 4 styles
    8.9
    Very Good

    Motorcycle System Diagnostic Test Measurement Tools M3-A Motorcycle Fault Code Readers Scan Tools Moto Diagnostic Test Measurement Tools Compatible for Yamaha 2/3/4P,Kawasaki 4-6P,Honda 4P,OBDII 16P

    • manufacturer part number: M3-A
    • item weight: 1.43 pounds
    • customer reviews:4.2 4.2 out of 5 stars 16 ratings 4.2 out of 5 stars
    • package dimensions:N/A
    • asin:B0CCJ37V6K

  • 9

    Universal Car Motor Diagnostic Tool, Scanner and Battery Tester, Check Engine Light, Evap Test, Cranking & Charging System Test for Car Motorcycle, Scanner Diagnostic for All Cars(1pc)
    QLVJZVO
    Available in: 2 colors
    8.8
    Very Good

    Universal Car Motor Diagnostic Tool, Scanner and Battery Tester, Check Engine Light, Evap Test, Cranking & Charging System Test for Car Motorcycle, Scanner Diagnostic for All Cars(1pc)

  • 10

    Steelman EngineEAR II Electronic Stethoscope Automotive Diagnostics Tool, Mechanic’s Noise Finder, 60-120 Decibel Meter, Non-Conductive Microphone
    Steelman
    Available in: 2 styles
    8.7
    Very Good

    Steelman EngineEAR II Electronic Stethoscope Automotive Diagnostics Tool, Mechanic’s Noise Finder, 60-120 Decibel Meter, Non-Conductive Microphone

    • is discontinued by manufacturer:No
    • product dimensions:13.9 x 10.5 x 5.6 inches 2 Pounds
    • batteries:8 AA batteries required. included
    • asin:B00I3ZPVX0
    • date first available:September 29, 2004

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