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The 24 best-selling engine on AliExpress

We picked 24 engine from AliExpress with real orders and good reviews. Prices go from $1.76 to $33.89, 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 Detect$4.41 $9.61★ 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 Engine$3.01 $7.23★ 4.9 · 10.4k soldView on AliExpress →
  3. 3Car Diagnostic Tool CY3001 OBD2 Scanner Code Reader Car Voltage Tester Engine Fault Code S-55%Car Diagnostic Tool CY3001 OBD2 Scanner Code Reader Car Voltage Tester Engine Fault Code S$10.32 $22.98★ 4.9 · 8.7k soldView on AliExpress →
  4. 4Fit for BMW E87 E60 E83 E84 E89 E90 E91 E92 E93 Car Engine Start Button Replace Cover Stop-65%Fit for BMW E87 E60 E83 E84 E89 E90 E91 E92 E93 Car Engine Start Button Replace Cover Stop$1.97 $5.57★ 4.9 · 7.2k soldView on AliExpress →
  5. 5V510 Professional Obdii Diagnostic Scanner, Engine Fault Code Reader, Live Data Stream, I-61%V510 Professional Obdii Diagnostic Scanner, Engine Fault Code Reader, Live Data Stream, I$9.91 $25.22★ 4.9 · 6.3k soldView on AliExpress →
  6. 6Newest LCD Digital Engine Tach Hour Meter Tachometer Gauge Inductive Display-58%Newest LCD Digital Engine Tach Hour Meter Tachometer Gauge Inductive Display$5.53 $13.27★ 4.8 · 5k soldView on AliExpress →
  7. 76in1 Police Sports Car Fire Engine Mini Loader Truck Plane Classic City Model Building Blo-54%6in1 Police Sports Car Fire Engine Mini Loader Truck Plane Classic City Model Building Blo$3.80 $8.24★ 4.9 · 5k soldView on AliExpress →
  8. 8Spark Plug Tester Double hole Diagnostic Tool Car 12V Spark Tester 0-6000rpm Auto Engine I-55%Spark Plug Tester Double hole Diagnostic Tool Car 12V Spark Tester 0-6000rpm Auto Engine I$19.73 $44.06★ 4.7 · 4.8k soldView on AliExpress →
  9. 9KONNWEI MAXOBD Bluetooth OBD2 Scanner Auto Engine Code Reader Car Diagnostic Detector Supp-57%KONNWEI MAXOBD Bluetooth OBD2 Scanner Auto Engine Code Reader Car Diagnostic Detector Supp$16.38 $38.45★ 4.9 · 4.3k soldView on AliExpress →
  10. 10Adjustable Multi-Function Engine Oil Filter Wrench Clamp Grid Oil Change Car Disassembly T-57%Adjustable Multi-Function Engine Oil Filter Wrench Clamp Grid Oil Change Car Disassembly T$14.30 $33.54★ 4.7 · 3.8k soldView on AliExpress →
  11. 11KONNWEI KW330 Car OBD2 Fault Scanner Engine Battery Test Fault Code Clear Real-Time DKONNWEI KW330 Car OBD2 Fault Scanner Engine Battery Test Fault Code Clear Real-Time D$32.70★ 4.7 · 3.8k soldView on AliExpress →
  12. 1210-50pcs N90974701 Engine Cover Undertray Splashguard Wheel Arch Torx Screw Fastener Clips-12%10-50pcs N90974701 Engine Cover Undertray Splashguard Wheel Arch Torx Screw Fastener Clips$2.32 $2.65★ 4.9 · 3.3k soldView on AliExpress →
  13. 13Bluetooth 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 Automotive$3.01 $9.10★ 4.9 · 3.3k soldView on AliExpress →
  14. 1476MM 3 Inch Car Air Filters Vent Filter High Flow Intake Kit Mesh Cone Engine Protector Re-62%76MM 3 Inch Car Air Filters Vent Filter High Flow Intake Kit Mesh Cone Engine Protector Re$10.95 $28.83★ 4.9 · 3.3k soldView on AliExpress →
  15. 151Pc Boat Outboard Switch Engine Motor Lanyard Kill Urgent Stop Button Safety Connector Cor-54%1Pc Boat Outboard Switch Engine Motor Lanyard Kill Urgent Stop Button Safety Connector Cor$4.80 $10.44★ 4.9 · 3k soldView on AliExpress →
  16. 16Boat Outboard Switch Engine Motor Lanyard Kill Urgent Stop Button Safety Connector Cord Co-7%Boat Outboard Switch Engine Motor Lanyard Kill Urgent Stop Button Safety Connector Cord Co$2.88 $3.10★ 4.8 · 3k soldView on AliExpress →
  17. 17Universal Under Hood Engine Repair White LED Light Bar with Auto On/Off Switch Control Car-66%Universal Under Hood Engine Repair White LED Light Bar with Auto On/Off Switch Control Car$7.40 $21.92★ 4.6 · 3k soldView on AliExpress →
  18. 18Car Cylinder Tester Kit Gasoline Engine Compression Meter 0-300 PSI Pressure Gauge with M1-57%Car Cylinder Tester Kit Gasoline Engine Compression Meter 0-300 PSI Pressure Gauge with M1$23.66 $55.27★ 4.9 · 2.6k soldView on AliExpress →
  19. 19For Motorboat And Outboard Motors Boat Engine Kill Stop Switch Emergency Stop Switch Safet-64%For Motorboat And Outboard Motors Boat Engine Kill Stop Switch Emergency Stop Switch Safet$1.76 $4.91★ 4.9 · 2k soldView on AliExpress →
  20. 20Universal Car Alarm Auto Start Stop System Remote Control Engine Ignition Autostart Kit Ke-60%Universal Car Alarm Auto Start Stop System Remote Control Engine Ignition Autostart Kit Ke$33.89 $84.70★ 4.5 · 2k soldView on AliExpress →
  21. 214pcs Engine Timing Tool Locking Pins Kit-57%4pcs Engine Timing Tool Locking Pins Kit$5.94 $13.80★ 4.9 · 1.9k soldView on AliExpress →
  22. 22Professional Pressure Gauge Engine Compression Meter Automotive Cylinder Tester Kit with M-56%Professional Pressure Gauge Engine Compression Meter Automotive Cylinder Tester Kit with M$23.55 $53.02★ 4.8 · 1.8k soldView on AliExpress →
  23. 235pcs Universal Cam Camshaft Lock Holder Car Engine Timing Locking Tool Double/single Camsh-61%5pcs Universal Cam Camshaft Lock Holder Car Engine Timing Locking Tool Double/single Camsh$5.94 $15.26★ 4.9 · 1.3k soldView on AliExpress →
  24. 245pcs Universal Cam Camshaft Lock Holder Car Engine Timing Locking Tool Double/single Camsh-64%5pcs Universal Cam Camshaft Lock Holder Car Engine Timing Locking Tool Double/single Camsh$8.04 $22.06★ 4.6 · 1.1k soldView on AliExpress →

Quick picks

Most popularPopular ELM327 WiFi OBD2 Diagnostic Scanner V1.5 Car Code Reader Check Engine Fa$4.41 · ★ 4.9 · 30.4k soldBest rated12V 15W Silicone Heater Pad Vehicle Fuel Car Engine Oil Tank Heating Mat Adhesiv$4.06 · ★ 5.0 · 701 soldCheapest well ratedFor Motorboat And Outboard Motors Boat Engine Kill Stop Switch Emergency Stop Sw$1.76 · ★ 4.9 · 2k soldBiggest discountGA-16 Immobilizer 2.4G Wireless Anti-Hijacking Engine Lock Car Alarm System Inte$11.36 · ★ 4.7 · 500 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 engine?

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 engine cost?

In this list prices go from $1.76 to $671; half of them cost less than $16.38.

Which engine has the best reviews?

"12V 15W Silicone Heater Pad Vehicle Fuel Car Engine Oil Tank Heating Mat Adhesive Sticker" has an average of 5.0 stars with many orders.

Are there discounts?

Yes. On average these products are 44% 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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