4 in 1 Car Antifreeze Refractometer Engine Battery Fluid Glycol Adblue Refractometer Glass Freezing Point Water Coolant Tester
Quick answer
Is $9.39 a good price for 4 in 1 Car Antifreeze Refractometer Engine Battery Fluid Glycol…?
It is the usual price, not a deal: $9.39 is in line with the typical price of $9.65 that DipScout measured over the last 10 days. It is the lowest in 10 days, but it has held this price since Oct 30, 2026.
$9.39
Today it costs $9.39 on AliExpress. Since Oct 21, 2026, when we started tracking it, it ranged from $9.39 to $9.69. It's the lowest price in 10 days, but it has been at this value since Oct 30, 2026; by our price history that is already the normal price, not a sale.
No drop compared with what we observed over the last 10 days. The store advertises "was $19.98", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$9.39lowest ever seen
Lowest$9.39since Oct 30
Highest$9.69Oct 29 to Oct 30
Tracked since Oct 21 · 2 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 30, 21:02 UTC | $9.39 | −3% |
| Oct 29, 12:19 UTC | $9.69 | +0.4% |
| Oct 21, 05:37 UTC | $9.65 | start |
| Store | JUANJUAN Topcentre Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Recorded readings | 3 |
| First seen | |
| Last reading |