4-Wire Oxygen Sensor Emulator Automotive Diagnostic Testing O2 Sensor Signal Simulator Signal Voltage Tunable Device Repair Tool
$19.49
Today it costs $19.49 on AliExpress. Since Oct 24, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 1 day; confirming a drop takes at least 3 days. The store advertises "was $38.98", 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$19.49steady
The price hasn't changed once since Oct 24, when we started tracking it.
Hover over the chart to see each price.Tap the chart to see each price.
| Store | CAR MOTO Repair Supply Chain Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Automobiles, Parts & Accessories › Car Maintenance Tools |
| Recorded readings | 1 |
| First seen | 10/24/2026 |
| Last reading | 10/24/2026, 8:10:56 PM UTC |