24 cheapest diagnostic on AliExpress
We picked 24 diagnostic from AliExpress with real orders and good reviews. Prices go from $1.36 to $7.46, 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
-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 → - 2
-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 → - 3
-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 → - 4
-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 → - 5
-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 → - 6
-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 → - 7
-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 → - 8
-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 → - 9
-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 → - 10
-56%ELM327 Bluetooth 5.1 V2.1 Auto OBD2 Scanner Car Diagnostic Tool Code Reader Tool Super MIN$3.89 $8.88★ 4.9 · 2.2k soldView on AliExpress → - 11
-53%15pcs Automotive Diagnostic Test Probe Puncture Needles Oscilloscope Probe Pins Set Repair Tool Accessories$3.95 $8.41★ 4.9 · 2k soldView on AliExpress → - 12
-56%OBD2 Scanner ELM327 Car Diagnostic Detector Code Reader Tool V1.5 WIFI Bluetooth OBD 2 for$4.10 $9.25★ 4.9 · 3.5k soldView on AliExpress → - 13-57%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 → - 14
-43%OBD2 Scanner Adapter BT, Wireless Diagnostic Code Reader OBD II Scan Tool Reset & Clear Check Car Engine Light$4.34 $7.63★ 4.5 · 2.5k soldView on AliExpress → - 15
-55%Car Brake Diagnostic Testing Tool Brake Fluid Tester Pen with 5 LED Indicators Hydraulic Fluid Liqui$4.41 $9.89★ 4.8 · 1.4k soldView on AliExpress → - 16
-54%Popular ELM327 WiFi OBD2 Diagnostic Scanner V1.5 Car Code Reader Check Engine Fault Detect$4.45 $9.69★ 4.9 · 30.4k soldView on AliExpress → - 17
-55%Car Truck Voltage Circuit Tester Auto 6V 24V Tools Car Diagnostic Probe Test Pen Light Bul$4.72 $10.53★ 4.9 · 66.6k soldView on AliExpress → - 18
-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 → - 19
-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 → - 20
-54%Car Truck Voltage Circuit Tester Auto Car Diagnostic Probe Test Pen Light Bulb Electric Me$5.94 $12.98★ 4.8 · 2.2k soldView on AliExpress → - 21
-55%Car Truck Voltage Circuit Tester 6V 12V 24V Auto Car Diagnostic Probe Test Pen Light Bulb$5.96 $13.29★ 4.9 · 6.3k soldView on AliExpress → - 22
-54%Car Truck Voltage Circuit Tester Auto 6V 24V Tools Car Diagnostic Probe Test Pen Light Bul$6.84 $15.02★ 4.7 · 3.3k soldView on AliExpress → - 23
-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 → - 24
-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 →
Prices and ratings come from AliExpress and can change. We may earn a commission when you buy through our links, at no extra cost to you.