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wh23x28418

Skip it

A concentrated shelf (top 5 take 90% of clicks) — this niche doesn't clear our bar today.

Market size 26Growth 53Conversion 100Competition 8Returns 34Price range 95Avg price 95Brand share 15Review moat 92Quality gap 27

Conversion

Incredible19.5%

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

Avg price

Incredible$30.16

avg listing price — sweet spot $15–$100

Price range

Incredible$19.69–$47.77

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Great153.44

avg incumbent reviews — the moat a new listing must climb

Growth

Good+24.4%

90-day search growth — must beat 0% to launch

Returns

Okay4.3%

return rate — above 5% kills the launch gate

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Okay$110K

$110K/yr · 19K searches

Brand share

Bad94%

top-5 brand share — brand-locked demand

Competition

Bad90%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, wh23x28418 is a $110K/yr Amazon United States market (19K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jul–Aug–Sep. Verdict: Skip it — 45/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

wh23x28418 market data

Units sold / yr
4K–5K
avg 500–750/product
Revenue / yr
$121K–$151K
units × avg price
Conversion rate
19.5%
Avg BSR
#174
Page quality
0%
Prime
100%
Sponsored
78%
Out of stock
0.0%
Avg brand age
31 months
Avg seller age
276 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

16

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

4%

  • Yendse36%
  • ClimaTek23%
  • AMI PARTS21%
  • TEPU9%
  • GE4%
  • Techecook2%
  • Open — no brand owns it (2 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 109 weeks — +24.4% search growth over the last 90 days.
1K800Spike '25Prime Day '25Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug, Sep · busiest ÷ quietest = 2.4×

Top wh23x28418 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%$11K20%$22K30%$33K40%$44K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

What buyers say about wh23x28418

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

What buyers love

Size-Overall34%

“Fit perfectly”

Value For Money18%

“Money saver”

Advertised Vs Actual Product15%

“Is as described”

Quality-Overall10%

“Quality product”

Ease Of Use7%

“Super Simple”

Durability5%

“it's been going strong for a few months now”

Leak-Proof3%

“There have been no leaks”

Maintenance And Repair2%

“Easy fix save me a lot of money”

Functionality-Overall2%

“It works”

Measurement/Reading Accuracy1%

“Reliable part”

What buyers complain about

Product Condition25%

“Wasnt runs like new”

Ease Of Use25%

“Id give this job a 2 for hardness”

Rusts/Corrodes8%

“my old pump was rusted over”

Jamming/Clogging8%

“These parts tend to get clogged so check for baby socks or coins before replacing”

Compatibility-Overall6%

“Isn't compatible with all that it says it is”

Defective Material/Parts6%

“Wrong part”

Size-Overall6%

“Doesn't fit the washer that it said it would fit”

Natural Resource Wastage6%

“Waste of money”

Top return reasons

Defective Material/Parts26%
Functionality-Overall17%
Size-Overall15%
Compatibility-Overall13%
Value For Money6%
Advertised Vs Actual Product5%
Add-Ons/Attachments3%
Connectivity-Overall2%
Maintenance And Repair2%
Assembly/Installation2%

Common questions

Is wh23x28418 profitable to sell on Amazon United States?
The niche generates $110K/yr across 9 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +24.4%. Flapen's verdict: Skip it (45/100).
How competitive is the wh23x28418 niche?
8 brands and 16 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in wh23x28418?
Top complaints mined from reviews: Product Condition, Ease Of Use, Rusts/Corrodes. The return rate is 4.3%.
When does demand for wh23x28418 peak?
Demand peaks in Jul–Aug–Sep; the busiest month runs 2.4× the quietest.
What does it cost to enter the wh23x28418 niche?
Listings span $19.69–$47.77; the average listing price is $30.16 (sweet spot $15–$100). The average incumbent carries 153 reviews — the moat a new listing must climb.