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21 cheapest diameter on AliExpress

We picked 21 diameter from AliExpress with real orders and good reviews. Prices go from CHF 1.38 to CHF 43.20, the average rating is 4.8 stars and the most popular one has 16.8k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

1. 11M/lots 3:1 Heat Shrink Tube with Glue Dual Wall Tubing Diameter 1.6/2.4/3.2/4.8/6.4/7.9/9.5/12.7mm Adhesive LCHF 1.38★ 5.0 · 13 soldView on AliExpress →
2. 2-7%25/50/100sets 4.0 bullet Crimp terminal car electrical wire connector diameter 4mmFemale +CHF 1.44 CHF 1.55★ 4.8 · 16.8k soldView on AliExpress →
3. 3ACP-Car Light Fan 9-12V Universal Diameter 32mm Round Snap-In LED Car Light Sun Flower Lamp Tube Small Light CCHF 2.05★ 4.7 · 50 soldView on AliExpress →
4. 4-54%1PCS 25mm 42mm 60mm 75mm 90mm Diameter 60-200cm Length Air Diesel Parking Heater Duct Pipe Tube HoseCHF 2.17 CHF 4.73★ 4.9 · 107 soldView on AliExpress →
5. 52pcs Y-type Compression Metal Long Spring Wire Diameter 0.8 1/1.2/1.5mm Length 300mm Return Air Soft Steel MacCHF 2.18★ 4.8 · 42 soldView on AliExpress →
6. 6-55%DCV LED Chip 3W 5W 10W USB Switch Round Lamp Board Bulb Light Source 31MM White Warm Diameter BeadCHF 2.61 CHF 5.80★ 4.8 · 28 soldView on AliExpress →
7. 75m Carp Fishing PVA Mesh Load System In Tube Diameter 16mm/22mm/34mm Fishing Bait Pop Up BoiliesCHF 2.84★ 4.7 · 26 soldView on AliExpress →
8. 8-53%90mm Diameter 1.8M Length Air Diesel Heater Duct Pipe Tube Hose Outlet Exhaust Joiner ConnectorCHF 3.04 CHF 6.46★ 5.0 · 40 soldView on AliExpress →
9. 9-7%Carbon Fiber Solid Rods Diameter 0.5mm~12mm Cylindrical Carbon ShaftCHF 3.20 CHF 3.44★ 4.8 · 1.1k soldView on AliExpress →
10. 10-51%Universal Radiator Fin Repair Comb Air Conditioner Car Cooling Condenser Comb AC Cleanning Brush Diameter 81mmCHF 4.05 CHF 8.27★ 5.0 · 33 soldView on AliExpress →
11. 11Diameter 8/11/16mm Plant Support Garden trellis Flower support Greenhouse garden plant fence Climbing vine braCHF 4.09★ 5.0 · 15 soldView on AliExpress →
12. 12-51%Inner Outer Flange Nut Set For M14 Thread Angle Grinder Spindles 40mm Diameter With 30mm Pin Drive And WrenchCHF 4.19 CHF 8.56★ 4.6 · 50 soldView on AliExpress →
13. 13-54%200/400PCS Bullet Terminal Car Wire Connector Diameter 4mm Cold Press Plug-In Terminal Automobile AccessoriesCHF 4.47 CHF 9.80★ 4.8 · 113 soldView on AliExpress →
14. 14-70%2/4//6/8/12/18 Channel Micro Rotate Slip Ring 2A Diameter 12.5mmCHF 5.24 CHF 17.42★ 4.8 · 292 soldView on AliExpress →
15. 15-57%Oil Filter Wrench Heavy Duty Adjustable Steel Strap 60mm-120mm Diameter Universal Car AutoCHF 5.30 CHF 12.36★ 4.7 · 950 soldView on AliExpress →
16. 16Making Reel To Reel Cassette Kit Metal (Aluminum) Diameter 42mm (Pack of 4 Reels + 2 Wheel)CHF 6.89★ 4.7 · 34 soldView on AliExpress →
17. 17-54%42mm 60mm 75mm Diameter Air Diesel Parking Heater Duct Pipe Tube HoseCHF 7.34 CHF 15.96★ 4.9 · 35 soldView on AliExpress →
18. 18Strong Line Diameter 60cm Landing Net of Head Colored Nylon Fishing Net Stainless Steel Ring Fishing NetworkCHF 8.39★ 4.7 · 79 soldView on AliExpress →
19. 19-58%Japan Original Seaguar 100% Fluorocarbon Fishing Line 100M #1.5-#14 Diameter 0.205mm-0.62mm Deep Sea BOAT FishCHF 11.87 CHF 28.21★ 5.0 · 37 soldView on AliExpress →
20. 20-53%Variable Diameter Straight Shank ER Extension RodCHF 16.53 CHF 35.18★ 5.0 · 13 soldView on AliExpress →
21. 21-11%Built-in Bluetooth Digital Caliper for Wireless Transmission Electronic Caliper for Measuring Outer Diameter ICHF 43.20 CHF 48.45★ 4.6 · 22 soldView on AliExpress →

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