2inch 52mm Car Turbo Boost Pressure Gauge (Banggood, Aliexpress: Style: Digital LED Readout, Model Number: B18332, Product Name: 2″ 52mm Boost Gauge, Housing Color: Black, Face Color: Black, Reading range: Reading range: -1~2 BAR, Diameter Size: 2″ (52mm), Voltage: 12V, Material: Aluminum, Unit: BAR (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($40.24): BGCarEle5
2. ($41.66): BGSCM11
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): Tabby20, BGCarEle1, MVC8SPRING, 8BGwbg2204, BGCarEle3, BGAUTO22, BGdcbfa8, BGCarEle4, BG845979, BGLMQ15, BGCAR639
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 2inch 52mm Car Turbo Boost Pressure Gauge [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for 2inch 52mm Car Turbo Boost Pressure Gauge is here. The lowest price was: $28.79.
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)).