$126.99 – Flipsky Waterproof Brushless DC 6374 Motor 140KV 3600W for Surfing Boat Underwater Thruster Hydro Efoil RC Boats Vehicles Models Parts.
I have just checked coupons. The lowest price I could get is $126.99 for Flipsky Waterproof Brushless DC 6374 Motor 140KV 3600W (in Banggood). Just check coupons out (with price alert and history). What is the best price?
Latest coupon and price update (UTC):
Banggood ($126.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Is it good price? Pretty good price – average ($129.14) is higher than current one!
Link: Banggood product page
Price: $126.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG90c779
(you can check these old coupons out, but these probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Flipsky Waterproof Brushless DC 6374 Motor 140KV 3600W. The lowest price was: $124.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).