Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe .
Link: Banggood product page
Coupon (31.44 USD): BGLMQ15
Coupon (32.55 USD): BGSCM11
(CouponsFromChina.com tip: coupon code has to be applied in shop’s 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): BGCarEle4, BG194919, BGCarEle5, BG845979
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Hcalory 3000W IP65 Car Engine Heater 220V [EU].
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).