24 cheapest diagnostic on AliExpress
We picked 24 diagnostic from AliExpress with real orders and good reviews. Prices go from CHF 1.42 to CHF 3.89, the average rating is 4.8 stars and the most popular one has 66.6k orders. Every product opens on AliExpress, where you pay with buyer protection.
Updated: 2026-11
- 1
-61%10Pcs 30V Diagnostic Tools Multimeter Test Lead Extention Back Piercing Needle Tip Probes Car AutomoCHF 1.42 CHF 3.66★ 4.8 · 23.7k soldView on AliExpress → - 2
-50%2pcs Multimeter Test Leads Kit Car Tip Probes Diagnostic Tools 600V 10A Non Destructive Needle Tip Probes MechCHF 1.59 CHF 3.18★ 4.9 · 1.3k soldView on AliExpress → - 3
-58%1-20Pcs Universal Car SRS Airbag Simulator Emulator Resistor Bypass Fault Finding Diagnostic Tool AiCHF 1.93 CHF 4.55★ 4.9 · 8.5k soldView on AliExpress → - 4
-50%1-20Pcs 30V Diagnostic Tools Multimeter Test Lead Extention Back Piercing Needle Tip Probes Car AutomotiveCHF 2.11 CHF 4.22★ 4.7 · 30 soldView on AliExpress → - 5
-50%10Pcs Diagnostic Tools Multimeter Test Lead Extention Back Piercing Needle Tip Probes Autotools AutomotiveCHF 2.36 CHF 4.72★ 4.9 · 730 soldView on AliExpress → - 6
-58%Mini ELM327 V1.5/V2.1 Bluetooth OBD2 Scanner Code Reader Car Diagnostic Tools Check EngineCHF 2.43 CHF 5.83★ 4.9 · 10.4k soldView on AliExpress → - 7
-57%Mini ELM327 V2.1 OBD2 Scanner Code Reader Bluetooth Car Diagnostic ToolCHF 2.43 CHF 5.71★ 4.5 · 7.2k soldView on AliExpress → - 8
-68%Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Testing PenCHF 2.43 CHF 7.49★ 4.8 · 10k soldView on AliExpress → - 9
-59%Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Testing PenCHF 2.60 CHF 6.33★ 4.9 · 20.9k soldView on AliExpress → - 10
-57%M9 2026 OBD2 Code Reader Car Diagnostic Scanner Vehicle Scanner ToolCHF 2.77 CHF 6.37★ 4.9 · 24k soldView on AliExpress → - 11
-63%Mini Eml327 V2.1 OBD 2 Bluetooth Car Diagnostic-ToolsCHF 2.77 CHF 7.51★ 4.7 · 1.1k soldView on AliExpress → - 12
-53%10/30cm DIY 16pin J1962 OBD2 Extension Cable Male Line to Female Automotive Car Diagnostic Auto Tool OBD 2CHF 2.89 CHF 6.15★ 5.0 · 26 soldView on AliExpress → - 13
-58%ELM327 V2.1 OBD2 Scanner Bluetooth Car Diagnostic ToolCHF 2.94 CHF 6.99★ 4.9 · 9.9k soldView on AliExpress → - 14
-71%6V 12V 24V Car Truck Voltage Circuit Tester Auto Car Diagnostic Probe Test Pen Light BulbCHF 3.11 CHF 10.56★ 4.8 · 42.1k soldView on AliExpress → - 15
-56%ELM327 Bluetooth 5.1 V2.1 Auto OBD2 Scanner Car Diagnostic Tool Code Reader Tool Super MINCHF 3.11 CHF 7.10★ 4.9 · 2.2k soldView on AliExpress → - 16
-56%OBD2 Scanner ELM327 Car Diagnostic Detector Code Reader Tool V1.5 WIFI Bluetooth OBD 2 forCHF 3.28 CHF 7.40★ 4.9 · 3.5k soldView on AliExpress → - 17-57%Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Testing PenCHF 3.31
CHF 7.73★ 4.8 · 10.7k soldView on AliExpress → - 18
-54%Popular ELM327 WiFi OBD2 Diagnostic Scanner V1.5 Car Code Reader Check Engine Fault DetectCHF 3.56 CHF 7.75★ 4.9 · 30.4k soldView on AliExpress → - 19
-56%Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Testing PenCHF 3.64 CHF 8.28★ 4.8 · 28 soldView on AliExpress → - 20
-52%40-10Pcs Diagnostic Tools Multimeter Test Lead Extention Back Piercing Needle Tip Probes Autotools AutomotiveCHF 3.65 CHF 7.63★ 4.8 · 95 soldView on AliExpress → - 21
-53%OBD2 Scanner ELM327 Car Diagnostic Detector Code Reader Tool V1.5 WIFI Bluetooth OBD 2CHF 3.76 CHF 8.08★ 5.0 · 34 soldView on AliExpress → - 22
-53%YONGRUN Automotive Voltage Circuit Tester Automotive Diagnostic Probe Test Pen Light Bulb Measurement PenCHF 3.76 CHF 8.08★ 4.7 · 37 soldView on AliExpress → - 23
-55%Car Truck Voltage Circuit Tester Auto 6V 24V Tools Car Diagnostic Probe Test Pen Light BulCHF 3.78 CHF 8.42★ 4.9 · 66.6k soldView on AliExpress → - 24
-47%Mini ELM327 OBD2 Scanner V1.5 Bluetooth OBD Car Diagnostic Tool Code ReaderCHF 3.89 CHF 7.29★ 4.6 · 51 soldView on AliExpress →
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