
Standard Diagnostics 420X
Best price now
$59.99at BLCKTECObserved Nov 1, 2026, 7:53 AM
Compared across 2 stores. Prices are checked against each store and labelled with when.
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Quick answers
- Where is the Standard Diagnostics 420X cheapest?
- At BLCKTEC, for $59.99, as of our latest check.
- What do buyers say about the Standard Diagnostics 420X?
- Buyers like: Easy to use, simple enough for a curious beginner; Saves time and money on diagnostics and repairs; Live data is a step up from scanners without it.
- Where can I buy the Standard Diagnostics 420X?
- 3 stores we checked sell it, including BLCKTEC, eBay, blcktec.com.
Standard Diagnostics 420X prices at every store
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- eBayNew
In stockSold by wookfly
$74.99Observed Nov 1, 2026, 7:53 AM - BLCKTECNew
Availability unknownReturn policy
$59.99Observed Nov 1, 2026, 7:53 AM
Also available at
- blcktec.comCheck price at blcktec.com
Standard Diagnostics 420X price history
Lowest price we've seen: $59.99 on Nov 1 at blcktec.com. Tracked across 2 stores since Nov 1.
From BLCKTEC
- Instantly decodes check engine light codes into plain English
- Plug-and-play: ready to use out of the box, no batteries required
- Works with all OBD2-compliant vehicles sold in the USA and Canada after 1996
- Unlimited vehicle scans and reports
- Free firmware updates
- Free RepairSolutions2 app with verified fixes, no subscription needed
- Guarantee
- Protected by a free 1-year warranty.
- Returns
- Not 100% satisfied? Let us know within 30 days of purchase for a full refund, no questions asked.
- Shipping
- Fast free shipping, delivered in 3-5 days; expedited shipping available at checkout.
About the Standard Diagnostics 420X
Best OBD2 scanner for decoding check engine light and reading diagnostic trouble codes. Stop overpaying for car repairs.
What buyers say
Buyers like
- Easy to use, simple enough for a curious beginner
- Saves time and money on diagnostics and repairs
- Live data is a step up from scanners without it
- Good value for home diagnostics
- Costs less than one garage diagnostic visit
- Tells you what's wrong via Bluetooth code
Specifications
- Vehicle Type
- Car
- Display Type
- LCD, Color
- Display Size
- 2.8"
- Instrument Type
- Diagnostic tool



