Automotive › Car care & repair tools

CAT ET 4 Adapter Truck Diagnostic Tool CAT4 Communication Connection Ethernet Version ET4 Heavy Duty Scanner with Net Cable
Quick answer
Is $298.99 a good price for CAT ET 4 Adapter Truck Diagnostic Tool CAT4 Communication Connection…?
Too early to tell: DipScout has tracked this price for 1 day, and comparing it with a typical price takes at least 7 days. Tracked since Nov 9, 2026, it ranged from $298.79 to $298.99.
$298.99
Today it costs $298.99 on AliExpress. Since Nov 9, 2026, when we started tracking it, it ranged from $298.79 to $298.99. 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 7 days. The store advertises "was $597.98", 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$298.99highest ever seen
Lowest$298.79Nov 9 to Nov 10
Highest$298.99since Nov 10
Tracked since Nov 9 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 10, 12:09 UTC | $298.99 | +0.1% |
| Nov 9, 07:28 UTC | $298.79 | start |
| Store | Stone's Store |
|---|---|
| Positive feedback (AliExpress) | 100% |
| AliExpress category | Automobiles, Parts & Accessories › Car Repair Tool |
| Recorded readings | 2 |
| First seen | |
| Last reading |