---
title: "K2 Plus Extruder — $130K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/industrial-scientific/k2-plus-extruder"
last_updated: "2026-08-08T10:18:05.668Z"
locale: en
meta:
description: "Niche score 51/100 · $130K/yr market · 56K searches/yr · $26.98 avg price. Soft demand (-17.2% this quarter) keeps it on the watch list. Data updated Aug 2026."
"og:description": "Niche score 51/100 · $130K/yr market · 56K searches/yr · $26.98 avg price. Soft demand (-17.2% this quarter) keeps it on the watch list. Data updated Aug 2026."
"og:title": "K2 Plus Extruder — $130K/yr Amazon US Niche (2026) - Flapen"
---
# **k2 plus extruder**
**Worth a look**
Shows a thin review moat (67 avg reviews), but soft demand (-17.2% this quarter) keeps it on the watch list.
Market size 29Growth 16Conversion 81Competition 53Returns 86Price range 92Avg price 95Brand share 22Review moat 97Quality gap 28
**Review moat**
**Incredible****66.83**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$26.98**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.91–$65.29**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****8.6%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$130K**
$130K/yr · 56K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-17.2%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, k2 plus extruder is a $130K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Worth a look — 51/100.
Data updated Aug 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **k2 plus extruder market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$108K–$135K**
- units × avg price
- **Conversion rate**
- **8.6%**
- **Avg BSR**
- **#568**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **11.0%**
- **Avg brand age**
- **18 months**
- **Avg seller age**
- **318 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▼falling
**Sellers**
**17**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**53%**
Top 20: 95%
**Open market**
**7%**
- Creality78% - KOYOFEI4% - LANKEGU4% - HIKUDIY3% - TYJAN3D2% - Olzzdda2% - Open — no brand owns it (4 brands, 7%)
## **Demand & seasonality**
Weekly Amazon search volume, last 57 weeks — -17.2% search growth over the last 90 days.
3K2KPrime Day '25Spike '25Black Friday '25Holiday '25 seasonJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 9.6×
[**Open Trend **](https://flapen.com/research/us/industrial-scientific/k2-plus-extruder/trend)
## **Top k2 plus extruder search terms**
- **creality k2 nozzle**10K/yr+1.7%6.6% conv. - **k2 plus nozzle**14K/yr-19.6%7.4% conv. - **creality k2 plus nozzle**10K/yr+5.9%8.5% conv. - **creality hi parts**10K/yr-25.2%0.8% conv. - **creality hi nozzle**7K/yr-46.3%7.6% conv. - **creality hi accessories**5K/yr-58.9%0.0% conv. [**All search terms **](https://flapen.com/research/us/industrial-scientific/k2-plus-extruder/search-terms)
## **Top k2 plus extruder products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$13K20%$26K30%$39K40%$52K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Creality K2 Plus Nozzle K2 Pro Hotend Nozzles Replacement Kit with Titanium Alloy Copper Alloy Hardened Steel High Flow Upgraded Unicorn Nozzle for K2/ K2 Pro Combo (0.4 0.6 0.8mm 4PCS)**Creality**$33.27**4.8★98 rev](https://www.amazon.com/dp/B0DK3F6VTW) [2**Creality Official K2 Plus Nozzle 0.4mm 2 PCS Quick-Swap 3D Printer Nozzle Copper Alloy and Hardened Steel Nozzle for 3D Printer K2 Plus K2 Creality Hi**Creality**$20.24**5.0★69 rev](https://www.amazon.com/dp/B0DSVLSGTH) [3**Creality Official K2 Plus Nozzle 0.4mm E3D ObxidianTM High Flow Nozzle Hardened Steel Nozzle with Multi-Channel Design 600mm/s High-Speed Printing for Creality K2 Plus K2 Pro K2 3D Printer**Creality**$65.29**4.5★11 rev](https://www.amazon.com/dp/B0FHWD2JR5) [4**Creality K2 Plus/Hi Combo Nozzles Original Unicorn K2 Hotend Nozzles Extruder Replacement Nozzles Kit with Titanium Alloy Copper Alloy Hardened Steel Nozzle for Creality K2 Pro Combo (0.4mm 4PCS)**Creality**$34.75**4.8★64 rev](https://www.amazon.com/dp/B0DPJSYPSW) [5**Creality Official K2 Plus Nozzles 0.4/0.6/0.8mm 4PCS Quick-Swap 3D Printer Hotend Nozzle Kit Copper Alloy and Hardened Steel 3D Printer Accessories for K2 Plus K2 K2 Pro Creality Hi**Creality**$33.47**4.9★37 rev](https://www.amazon.com/dp/B0DPX7HMSK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2pcs 0.4mm Unicorn Nozzles Kit Compatible with Creality K2 Plus/Hi Combo**Fukaisu**$19.37**2 rev5mo ago](https://www.amazon.com/dp/B0GQX6XTJ9) [**HIKUDIY 4PCS Quick Swap Nozzle Kit for Creality K2 Series (K2/K2 Pro/K2 Plus/Hi) 0.2 0.4 0.6mm Titanium Heat Break Copper Body with Hardened Steel Tip**HIKUDIY**$22.49**18 rev5mo ago](https://www.amazon.com/dp/B0GQSS37RJ) [**Creality K2 Plus Quick-Swap Nozzle Kit 4-Pack for K2/K2 Plus/Creality Hi Includes 0.4mm x2 0.6mm 0.8mm Apertures Swift Installation & Upgraded Material**Creality**$31.46**2 rev6mo ago](https://www.amazon.com/dp/B0GFVSZDF2) [**Creality Official K2/K2 Pro Ceramic Heating Block Hotend Kit Unicorn Quick Swap K2 Nozzle Kit 300C High Temperature Resistant All-Metal Integrated Kit for 3D Printer Creality K2 Combo**Creality**$24.00**25 rev1y ago](https://www.amazon.com/dp/B0FJRK4PT9) [**Creality Official K2 Plus Nozzle 0.4mm E3D ObxidianTM High Flow Nozzle Hardened Steel Nozzle with Multi-Channel Design 600mm/s High-Speed Printing for Creality K2 Plus K2 Pro K2 3D Printer**Creality**$65.29**11 rev1y ago](https://www.amazon.com/dp/B0FHWD2JR5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**2pcs 0.4mm Unicorn Nozzles Kit Compatible with Creality K2 Plus/Hi Combo**Fukaisu**$19.37**5.0★**▲ 188%**](https://www.amazon.com/dp/B0GQX6XTJ9) [**Creality K2 Plus Quick-Swap Nozzle Kit 4-Pack for K2/K2 Plus/Creality Hi Includes 0.4mm x2 0.6mm 0.8mm Apertures Swift Installation & Upgraded Material**Creality**$31.46**5.0★**▲ 173%**](https://www.amazon.com/dp/B0GFVSZDF2) [**HIKUDIY 4PCS Quick Swap Nozzle Kit for Creality K2 Series (K2/K2 Pro/K2 Plus/Hi) 0.2 0.4 0.6mm Titanium Heat Break Copper Body with Hardened Steel Tip**HIKUDIY**$22.49**4.1★**▲ 164%**](https://www.amazon.com/dp/B0GQSS37RJ) [**Creality Official K2/K2 Pro Ceramic Heating Block Hotend Kit Unicorn Quick Swap K2 Nozzle Kit 300C High Temperature Resistant All-Metal Integrated Kit for 3D Printer Creality K2 Combo**Creality**$24.00**4.5★**▲ 105%**](https://www.amazon.com/dp/B0FJRK4PT9) [**Creality Official K2 Plus Nozzle 0.4mm 4 PCS Quick-Swap 3D Printer Nozzle Copper Alloy and Hardened Steel Nozzle for 3D Printer K2 Plus K2 Creality Hi**Creality**$34.05**4.8★**▲ 102%**](https://www.amazon.com/dp/B0F93SW72T)
**~~View all trending →~~**
## **What buyers say about k2 plus extruder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**19%
*“Great deal”*
**Size-Overall**14%
*“Fit exactly”*
**Spray/Flow**14%
*“Great nozzle”*
**Quality-Overall**12%
*“Good quality nozzle”*
**Compatibility-Overall**10%
*“Works great with my K2”*
**Efficiency**9%
*“Works great”*
**Ease Of Use**8%
*“Easy”*
**Advertised Vs Actual Product**7%
*“everything continued to work as it should”*
**Durability**2%
*“Very durable tho Based off previous reviews”*
**Functionality-Overall**1%
*“Works great with multiple filaments”*
### **What buyers complain about **
**Quality-Overall**25%
*“Quality control miss a child could have caught”*
**Functionality-Overall**12%
*“Doesn't work”*
**Value For Money**8%
*“wasted $50 worth of filament in the process as it was a large print with expensive material”*
**Spray/Flow**8%
*“Nozzle is defective waste of time”*
**Adhesion/Stickiness**7%
*“Would recommend buying own thermal paste too easy of binding when changing / removing”*
**Print Quality**6%
*“Didn't finish the print with either one”*
**Defective Material/Parts**5%
*“Factory parts”*
**Maintenance And Repair**5%
*“Had to spend 200$ to fix”*
**Instructions/User Manual/Troubleshooting**5%
*“They don't tell you that in the instructions”*
**Durability**5%
*“Didnt last a month”*
### **Top return reasons **
**Compatibility-Overall**19%
**Size-Overall**16%
**Heating**14%
**Defective Material/Parts**10%
**Functionality-Overall**8%
**Spray/Flow**6%
**Advertised Vs Actual Product**6%
**Print Quality**4%
**Durability**3%
**Product Condition**3%
## **Common questions**
- **Is k2 plus extruder profitable to sell on Amazon United States?**
- The niche generates $130K/yr across 24 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -17.2%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the k2 plus extruder niche?**
- 10 brands and 17 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in k2 plus extruder?**
- Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Value For Money. The return rate is 1.4%.
- **When does demand for k2 plus extruder peak?**
- Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 9.6× the quietest.
- **What does it cost to enter the k2 plus extruder niche?**
- Listings span $12.91–$65.29; the average listing price is $26.98 (sweet spot $15–$100). The average incumbent carries 67 reviews — the moat a new listing must climb.
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