Aliexpress
Click here… to search for 52mm 10 Colors LED Dual Display Oil Temp Pressure Gauge [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… Well, there is one coupon available right now.
Link: Banggood product page
Coupon (34.31 USD): BGSCM11
(CouponsFromChina.com tip: you should apply the coupon 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): BGCarEle4, BGCarEle5
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
It’s a new item in our database, so I can’t create price history chart. We have saved this price in database: 25.49 USD.
You can set price alert (for Banggood).