Diagnostic: 24 biggest discounts on AliExpress
We picked 24 diagnostic from AliExpress with real orders and good reviews. Prices go from $1.36 to $23.89, the average rating is 4.8 stars and the most popular one has 68k orders. Every product opens on AliExpress, where you pay with buyer protection.
Updated: 2026-11
- 1
-71%6V 12V 24V Car Truck Voltage Circuit Tester Auto Car Diagnostic Probe Test Pen Light Bulb$3.89 $13.20★ 4.8 · 42.1k soldView on AliExpress → - 2
-70%V519 Professional Obd2 Scanner - Usb-Powered Automotive Diagnostic Tool with Real-Time Dat$7.46 $24.94★ 4.9 · 38.3k soldView on AliExpress → - 3
-66%Cy3001 OBD Reader Diagnostic Tool for Cars Auto Car Health Check Engine Code Scanner$8.30 $24.18★ 4.6 · 1.4k soldView on AliExpress → - 4
-65%Car Obd2 Scanner Diagnostic Tool Code Reader Engine Fault Code Reader Scanner Can Diagnose All Obd I$8.30 $23.73★ 4.5 · 62.4k soldView on AliExpress → - 5
-65%V315 OBD Diagnostic Scanner Auto Car Code Reader And Scanner Vehicles' Health Inspection T$8.30 $23.42★ 4.9 · 2.5k soldView on AliExpress → - 6
-65%2pcs Multimeter Test Leads Kit Car Tip Probes Diagnostic Tools 600V 10A Non Destructive Ne$1.36 $3.94★ 4.9 · 2k soldView on AliExpress → - 7
-63%V410 OBD2 Car Diagnostic Scanner – All-in-One Diagnostic Tool for Identifying and Troubles$7.04 $18.91★ 4.9 · 68k soldView on AliExpress → - 8
-63%V519 RED Car Diagnostic Scanner Tool Automotive OBD2 Scanner for Engine Health Check with Color Scre$9.99 $26.88★ 4.6 · 4.3k soldView on AliExpress → - 9
-61%10Pcs 30V Diagnostic Tools Multimeter Test Lead Extention Back Piercing Needle Tip Probes Car Automo$1.78 $4.58★ 4.8 · 23.7k soldView on AliExpress → - 10
-61%V510 Professional Obdii Diagnostic Scanner, Engine Fault Code Reader, Live Data Stream, I/$9.99 $25.43★ 4.9 · 6.3k soldView on AliExpress → - 11
-60%KONNWEI KW906 Bluetooth5.0 - 5.2 OBD2 Scanners ELM327 V1.5 OBDII Fault Diagnostic Tool for$13.77 $34.36★ 4.7 · 1.4k soldView on AliExpress → - 12
-59%Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Testing Pen$3.25 $7.91★ 4.9 · 20.9k soldView on AliExpress → - 13
-58%Mini ELM327 V1.5/V2.1 Bluetooth OBD2 Scanner Code Reader Car Diagnostic Tools Check Engine$3.04 $7.29★ 4.9 · 10.4k soldView on AliExpress → - 14
-58%ELM327 V2.1 OBD2 Scanner Bluetooth Car Diagnostic Tool For Android /IOS Code Reader Automo$3.68 $8.74★ 4.9 · 9.9k soldView on AliExpress → - 15
-58%6V 12V 24V Car Truck Voltage Circuit Tester Auto Car Diagnostic Probe Test Pen Light Bulb$5.56 $13.25★ 4.7 · 8.9k soldView on AliExpress → - 16
-58%1-20Pcs Universal Car SRS Airbag Simulator Emulator Resistor Bypass Fault Finding Diagnostic Tool Ai$2.41 $5.69★ 4.9 · 8.5k soldView on AliExpress → - 17
-58%Car Truck Voltage Circuit Tester Auto 6V 24V Tools Car Diagnostic Probe Test Pen Light Bul$5.56 $13.18★ 4.7 · 4.8k soldView on AliExpress → - 18
-57%M9 2026 OBD2 Code Reader Car Diagnostic Scanner Vehicle Scanner Tool for Automotive Troubl$3.46 $7.96★ 4.9 · 24k soldView on AliExpress → - 19-57%Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Testing Pen$4.14
$9.66★ 4.8 · 10.7k soldView on AliExpress → - 20
-57%Mini ELM327 V2.1 OBD2 Scanner Code Reader Bluetooth Car Diagnostic Tool For Android /IOS Automotive$3.04 $7.14★ 4.5 · 7.2k soldView on AliExpress → - 21
-57%Vgate ICar Pro ELM327 V2.3 Bluetooth 4.0 WIFI for iOS BT3.0 Android OBD2 Diagnostic Tool E$23.68 $55.48★ 4.9 · 6.6k soldView on AliExpress → - 22
-57%LED Indicator Light Car Battery Checker Electronic Test Car Relay Tester Diagnostic Tools$8.30 $19.18★ 4.7 · 5.2k soldView on AliExpress → - 23
-57%KONNWEI MAXOBD Bluetooth OBD2 Scanner Auto Engine Code Reader Car Diagnostic Detector Supp$16.51 $38.76★ 4.9 · 4.3k soldView on AliExpress → - 24
-57%Vgate iCar Pro ELM327 V2.3 BT/WIFI 4.0 OBD2 Diagnostic Tool For VW OBD 2 Car Auto Diagnost$23.89 $55.88★ 4.9 · 3.7k soldView on AliExpress →
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