Aliexpress
Click here… to search for OnePlus Mclaren 1M 6A Cable on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (14.87 USD): BG1efeb0
Coupon (15.03 USD): Terence
Coupon (15.03 USD): 2203ActiesNL
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): TTxBG10, BG3CSUM, bgssaff9, AFfbG10, BGCITYADS2019, BGVDay10%off, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BgoFErTaSchInA10, BgcLuBofErtA10, BG20CHARGER, BGMBCBLE, BGHONEY2110, 13f142, BANGGOODSD, BG85d5c6, 2022ACTIESNL, Tabby20
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for OnePlus Mclaren 1M 6A Cable? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).