2PK Kobra S1 Hotend Fan 5020 Dual Ball Bearing Blower...
Good for: Shoppers who want a reliable, well-reviewed product
Watch out for: No major red flags detected
Last analyzed: February 2026
Total Reviews
60
On Amazon
Verified
85%
Good
Amazon Rating
4.4
Original rating
Savinoo Rating
4.2
Adjusted rating
Our Recommendation
SAFE TO TRUST - Reviews appear authentic and reliable for making purchase decisions.
Analysis Summary
- LOW RISK (Score: 100/100) 2PK Kobra S1 Hotend Fan 5020 Dual Ball Bearing Blower...'s reviews appear mostly authentic. Positive Indicators: 85% of reviews are from verified purchases, which is good..
Customer Reviews from Amazon
Most Helpful Review
"nowhere near as fast as the factory fan was. Does not cool filament very well, leading to imperfect prints."
bradley jones
Perfect for my AnyCubic Kobra 3 and I have a spare in case I break…
Perfect for my AnyCubic Kobra 3 and I have a spare in case I break the wires again! This was super simple to install (replacing the existing one where I broke the wire accidentally). Two screws and one connector to the main machine is all that you have to mess with. You simply need a tiny Philips head screwdriver. Buying these two was cheaper than buying one, so it was a deal.bruce fyfe
I bought these to replace the original on my AnyCubix Kobra 3 print head. It…
I bought these to replace the original on my AnyCubix Kobra 3 print head. It is identical and fits perfect. Easy to install and is as good as the OEM one. Would buy again.larry dally
Updating the computer fans and they fit great and wire up well
s sweeden
Fit and worked perfectly very fast delivery
shannon epperson
Works great, easy to install. No issues.
saxile
Direct replacement for the Kobra 2 Neo part cooling fan. Works just as good as…
Direct replacement for the Kobra 2 Neo part cooling fan. Works just as good as the original, sounds the same and moves the same air as well.What Customers Talk About
Commonly Praised
Commonly Complained
Review Quality Analysis
Review quality helps identify authentic customer feedback. Longer, detailed reviews (50+ words) typically indicate genuine experiences, while high percentages of short reviews (under 20 words) may suggest incentivized or fake feedback.
Average Words
31
Moderate detail
Long Reviews
5%
⚠ Low detail
Short Reviews
20%
✓ Low brief reviews
Review Length Distribution
Authentic vs Brief Reviews
Average Word Count Gauge
Benchmark: 30 words = moderate, 50+ words = detailed & authentic
31
avg. words per review
Interpretation: Review quality appears within normal range for this product category.
Review Velocity
Review velocity tracks how quickly reviews are posted. Steady, gradual accumulation is natural, while sudden spikes or bursts (20+ reviews in a single day) may indicate incentivized campaigns or coordinated activity.
Average Per Day
0.03
Natural pace
Max in One Day
1
Normal range
Steady Velocity Detected
Reviews posted at a consistent, natural pace over time — typical of organic customer feedback.
Rating Breakdown
This chart shows how customers rated 2PK Kobra S1 Hotend Fan 5020 Dual Ball Bearing Blower.... Products with authentic reviews typically show a bell curve with most ratings in the 3–4 star range. A heavily polarized distribution — many 5★ and 1★ with few middle ratings — can be worth investigating further.
Ready to buy 2PK Kobra S1 Hotend Fan 5020 Dual Ball Bearing Blower...?
Our analysis is based on 60 reviews.
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How does this compare?
This product scores 100/100 — better than most products we've analyzed. A strong trust signal.
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