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.

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.

Review moat

Incredible66.83

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

Great1.4%

return rate — above 5% kills the launch gate

Conversion

Great8.6%

search→purchase rate — share of searches ending in a sale

Competition

Good53%

top-5 click share — leaders hold, buyers still browse

Market size

Okay$130K

$130K/yr · 56K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Brand share

Bad91%

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

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

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

53%

Top 20: 95%

Open market

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.

Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 9.6×

Open Trend

Top k2 plus extruder search terms

creality k2 nozzle10K/yr +1.7%6.6% conv.
k2 plus nozzle14K/yr -19.6%7.4% conv.
creality k2 plus nozzle10K/yr +5.9%8.5% conv.
creality hi parts10K/yr -25.2%0.8% conv.
creality hi nozzle7K/yr -46.3%7.6% conv.
creality hi accessories5K/yr -58.9%0.0% conv.

All 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.

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

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$33.274.8★98 rev

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$20.245.0★69 rev

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$65.294.5★11 rev

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$34.754.8★64 rev

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$33.474.9★37 rev

Newest

by launch date

2pcs 0.4mm Unicorn Nozzles Kit Compatible with Creality K2 Plus/Hi Combo

Fukaisu$19.372 rev

5mo ago

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$22.4918 rev

5mo ago

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$31.462 rev

6mo ago

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$24.0025 rev

1y ago

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$65.2911 rev

1y ago

What buyers say about k2 plus extruder

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money19%

“Great deal”

Size-Overall14%

“Fit exactly”

Spray/Flow14%

“Great nozzle”

Quality-Overall12%

“Good quality nozzle”

Compatibility-Overall10%

“Works great with my K2”

Efficiency9%

“Works great”

Ease Of Use8%

“Easy”

Advertised Vs Actual Product7%

“everything continued to work as it should”

Durability2%

“Very durable tho Based off previous reviews”

Functionality-Overall1%

“Works great with multiple filaments”

What buyers complain about

Quality-Overall25%

“Quality control miss a child could have caught”

Functionality-Overall12%

“Doesn't work”

Value For Money8%

“wasted $50 worth of filament in the process as it was a large print with expensive material”

Spray/Flow8%

“Nozzle is defective waste of time”

Adhesion/Stickiness7%

“Would recommend buying own thermal paste too easy of binding when changing / removing”

Print Quality6%

“Didn't finish the print with either one”

Defective Material/Parts5%

“Factory parts”

Maintenance And Repair5%

“Had to spend 200$ to fix”

Instructions/User Manual/Troubleshooting5%

“They don't tell you that in the instructions”

Durability5%

“Didnt last a month”

Top return reasons

Compatibility-Overall19%

Size-Overall16%

Heating14%

Defective Material/Parts10%

Functionality-Overall8%

Spray/Flow6%

Advertised Vs Actual Product6%

Print Quality4%

Durability3%

Product Condition3%

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.