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The 24 best-selling check on AliExpress

We picked 24 check from AliExpress with real orders and good reviews. Prices go from CHF 1.65 to CHF 72.28, the average rating is 4.8 stars and the most popular one has 30.4k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

  1. 1Popular ELM327 WiFi OBD2 Diagnostic Scanner V1.5 Car Code Reader Check Engine Fault Detect-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 →
  2. 2Mini ELM327 V1.5/V2.1 Bluetooth OBD2 Scanner Code Reader Car Diagnostic Tools Check Engine-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 →
  3. 3PU Check-Pattern Embossed Leather Trim-59%PU Check-Pattern Embossed Leather TrimCHF 3.95 CHF 9.67★ 4.9 · 5.6k soldView on AliExpress →
  4. 4Wireless Bluetooth 4.0 12V Battery Monitory BM6 With Car Battery Health Check APP Monitori-60%Wireless Bluetooth 4.0 12V Battery Monitory BM6 With Car Battery Health Check APP MonitoriCHF 13.38 CHF 33.45★ 4.9 · 3.4k soldView on AliExpress →
  5. 5Bluetooth ELM327 OBD2 Car Code Reader Scanner V1.5 Fault Detector Check Engine Automotive-67%Bluetooth ELM327 OBD2 Car Code Reader Scanner V1.5 Fault Detector Check Engine AutomotiveCHF 2.43 CHF 7.34★ 4.9 · 3.3k soldView on AliExpress →
  6. 612V car battery tester, Alternator Tester Automotive,Battery Checker, Analyzer to Check al-56%12V car battery tester, Alternator Tester Automotive,Battery Checker, Analyzer to Check alCHF 3.44 CHF 7.87★ 4.7 · 3.3k soldView on AliExpress →
  7. 712V Trailer Tester 7 13 Pin Adapter Diagnostic Tools Wiring Check Light Test Plug Socket C-53%12V Trailer Tester 7 13 Pin Adapter Diagnostic Tools Wiring Check Light Test Plug Socket CCHF 6.48 CHF 13.92★ 4.6 · 700 soldView on AliExpress →
  8. 8ANENG BF01 Brake Fluid Tester Oil Quality Check Detector Universal Brake Liquid Digital Ve-58%ANENG BF01 Brake Fluid Tester Oil Quality Check Detector Universal Brake Liquid Digital Vehicle AutoCHF 12.54 CHF 29.52★ 4.9 · 479 soldView on AliExpress →
  9. 9TOPDON Carpal OBD2 Scanner for Car All System Diagnostic Tool Vehicle Health Check Smog Ch-47%TOPDON Carpal OBD2 Scanner for Car All System Diagnostic Tool Vehicle Health Check Smog Check BatterCHF 35.39 CHF 66.77★ 4.7 · 436 soldView on AliExpress →
  10. 10Repair Parts Fuel Non Return Check Valve 6/8/10/12mm Aluminium Alloy Petrol Diesel Water F-50%Repair Parts Fuel Non Return Check Valve 6/8/10/12mm Aluminium Alloy Petrol Diesel Water Fuel Line One Way forCHF 2.65 CHF 5.31★ 4.8 · 289 soldView on AliExpress →
  11. 11Diamond Art Canvas Roller Holder Diamond Art Accessories Tools Keep Canvases of Sizes in C-51%Diamond Art Canvas Roller Holder Diamond Art Accessories Tools Keep Canvases of Sizes in CheckCHF 3.24 CHF 6.60★ 4.8 · 261 soldView on AliExpress →
  12. 12DC 24V Automotive Blade Fuses Tester and Puller Check-57%DC 24V Automotive Blade Fuses Tester and Puller CheckCHF 5.56 CHF 12.82★ 4.8 · 121 soldView on AliExpress →
  13. 13VDIAGTOOL VD30PRO OBD2 Scanner Car Engine Fault Code Reader OBDII Diagnostic Check Engine -47%VDIAGTOOL VD30PRO OBD2 Scanner Car Engine Fault Code Reader OBDII Diagnostic Check Engine Light Live Data BattCHF 24.59 CHF 46.40★ 4.6 · 78 soldView on AliExpress →
  14. 14ANENG BF01 Brake Fluid Tester Oil Quality Check Detector Universal Brake Liquid Digital Ve-55%ANENG BF01 Brake Fluid Tester Oil Quality Check Detector Universal Brake Liquid Digital Vehicle Auto BrakeCHF 17.49 CHF 38.87★ 5.0 · 63 soldView on AliExpress →
  15. 15OBD2 Scanner Car Diagnostic Scanner ABS SRS Transmission System Scanner Check Engine Fault-39%OBD2 Scanner Car Diagnostic Scanner ABS SRS Transmission System Scanner Check Engine Fault Code ReadCHF 72.28 CHF 118★ 5.0 · 59 soldView on AliExpress →
  16. 161pcs Rod Rubber Butt Cap Winding Check Plastic Butt Fishing Rod Building Component Fishing1pcs Rod Rubber Butt Cap Winding Check Plastic Butt Fishing Rod Building Component Fishing Pole Repair DIYCHF 2.71★ 4.6 · 57 soldView on AliExpress →
  17. 17Brake Fluid Tester Universal Oil Quality Check Detector ANENG BF01 Brake Liquid Digital Ve-54%Brake Fluid Tester Universal Oil Quality Check Detector ANENG BF01 Brake Liquid Digital Vehicle Auto CarCHF 13.89 CHF 30.21★ 4.8 · 56 soldView on AliExpress →
  18. 1812V Digital Brake Fluid Tester BF100 BF200, LED Indicator Auto Brake Oil Moisture Check To-57%12V Digital Brake Fluid Tester BF100 BF200, LED Indicator Auto Brake Oil Moisture Check ToolCHF 17.36 CHF 40.44★ 4.9 · 54 soldView on AliExpress →
  19. 19LAUNCH Creader 529 CR529 Automotive OBDII Scanner Car Diagnostic Tools Engine Check OBDII -56%LAUNCH Creader 529 CR529 Automotive OBDII Scanner Car Diagnostic Tools Engine Check OBDII Scan Tools Launch ObCHF 28.39 CHF 64.52★ 5.0 · 49 soldView on AliExpress →
  20. 20THINKCAR THINKDIAG Mini Car OBD2 Scanner All System Diagnosis DTC Look Up Check Engine Lif-38%THINKCAR THINKDIAG Mini Car OBD2 Scanner All System Diagnosis DTC Look Up Check Engine Lifetime Free UpdateCHF 31.76 CHF 51.17★ 5.0 · 49 soldView on AliExpress →
  21. 21Autel AL549 OBD2 Scanner AutoVin Code Reader Erase ABS DTC Battery Test Check Engine Fault-5%Autel AL549 OBD2 Scanner AutoVin Code Reader Erase ABS DTC Battery Test Check Engine Fault DiagnostiCHF 57.57 CHF 60.77★ 5.0 · 38 soldView on AliExpress →
  22. 22V315 Obd2 Scanner Diagnostic Tool, 10S Fast Code Reader Eraser, Check Engine Light Analyze-53%V315 Obd2 Scanner Diagnostic Tool, 10S Fast Code Reader Eraser, Check Engine Light Analyzer, Full Obdii FuncCHF 8.77 CHF 18.76★ 4.5 · 32 soldView on AliExpress →
  23. 23FUJI Reel Seat KDPS/ASH nut trim ring Fishing rod winding check Component DIY Rod Building-12%FUJI Reel Seat KDPS/ASH nut trim ring Fishing rod winding check Component DIY Rod Building Accessory 10CHF 5.94 CHF 6.76★ 5.0 · 23 soldView on AliExpress →
  24. 24Engine Brake Vacuum Pump Repair Kit Oil Plug Check Valve Car Tools-20%Engine Brake Vacuum Pump Repair Kit Oil Plug Check Valve Car ToolsCHF 1.65 CHF 2.06★ 4.5 · 18 soldView on AliExpress →

Quick picks

Most popularPopular ELM327 WiFi OBD2 Diagnostic Scanner V1.5 Car Code Reader Check Engine FaCHF 3.56 · ★ 4.9 · 30.4k soldBest ratedANENG BF01 Brake Fluid Tester Oil Quality Check Detector Universal Brake Liquid CHF 17.49 · ★ 5.0 · 63 soldCheapest well rated1PCS Check Valve Tool Non Return Valve Single Way Inline 6/8/10/12mm Fuel Air WaCHF 0.79 · ★ 5.0 · 16 soldBiggest discountBluetooth ELM327 OBD2 Car Code Reader Scanner V1.5 Fault Detector Check Engine ACHF 2.43 · ★ 4.9 · 3.3k sold

How much to pay

Tip: read the latest buyer photos on AliExpress and check the size or model before you order. Products with many orders and a rating of 4.7 or more are usually the safest choice.

Questions

What is the best-selling check?

The most popular one is "Popular ELM327 WiFi OBD2 Diagnostic Scanner V1.5 Car Code Reader Check Engine Fault Detect", with 30.4k orders.

How much does a check cost?

In this list prices go from CHF 0.79 to CHF 72.28; half of them cost less than CHF 8.77.

Which check has the best reviews?

"ANENG BF01 Brake Fluid Tester Oil Quality Check Detector Universal Brake Liquid Digital Vehicle Auto Brake" has an average of 5.0 stars with many orders.

Are there discounts?

Yes. On average these products are 43% below their original price on AliExpress. Prices change often.

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.

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