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dishwasher water supply line

Skip it

Strong incumbent ratings (4.7★) — this niche doesn't clear our bar today.

Market size 27Growth 23Conversion 96Competition 25Returns 34Price range 61Avg price 69Brand share 33Review moat 78Quality gap 16

Conversion

Incredible13.9%

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

Review moat

Great440

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$14.29

avg listing price — sweet spot $15–$100

Price range

Good$9.44–$23.66

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

Returns

Okay4.3%

return rate — above 5% kills the launch gate

Brand share

Okay85%

top-5 brand share — brands hold most of the demand

Market size

Okay$111K

$111K/yr · 56K searches

Competition

Okay70%

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

Growth

Bad-3.5%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, dishwasher water supply line is a $111K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 40/100.

Data updated Jul 5, 2026 · scored weekly · How we score niches

dishwasher water supply line market data

Units sold / yr
6K–8K
avg 500–750/product
Revenue / yr
$86K–$114K
units × avg price
Conversion rate
13.9%
Avg BSR
#165
Page quality
0%
Prime
100%
Sponsored
88%
Out of stock
7.1%
Avg brand age
50 months
Avg seller age
185 days

Competition & brand share

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

20

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

11%

  • Eastman43%
  • HYDRO MASTER29%
  • EFIELD6%
  • AMI PARTS4%
  • KAINGA4%
  • SPUREST4%
  • Open — no brand owns it (5 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 105 weeks — -3.5% search growth over the last 90 days.
2K1KBlack Friday '24Holiday '24Prime Day '25Black Friday '25Holiday '25Prime Day '26DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top dishwasher water supply line search terms

  • dishwasher water supply line24K/yr
  • dishwasher supply line18K/yr
  • dishwasher supply line 6ft6K/yr
  • dishwasher water line7K/yr
All search terms

Top dishwasher water supply line 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%$44K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

What buyers say about dishwasher water supply line

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

What buyers love

Quality-Overall34%

“High quality hose”

Advertised Vs Actual Product30%

“As advertised”

Value For Money10%

“Good Price”

Leak-Proof8%

“did not leak like the others I tried”

Size-Overall6%

“Compression fitting fit perfect without having to over tighten, just snug, no leaks”

Flexibility2%

“Sturdy, Flexible, And Inexpensive”

Correct Contents2%

“All parts are good in order”

Connectivity-Overall2%

“Correct connection”

Ease Of Use1%

“Quick n easy”

Durability1%

“I can tell it is quite durable”

What buyers complain about

Leak-Proof40%

“only to find that this one also leaks”

Size-Overall30%

“Didnt fit”

Advertised Vs Actual Product20%

“This was not made clear in the listing”

Compatibility-Overall10%

“bad fitting. this did not fit my machine”

Top return reasons

Size-Overall50%
Compatibility-Overall13%
Leak-Proof7%
Value For Money6%
Assembly/Installation5%
Defective Material/Parts4%
Connectivity-Overall4%
Functionality-Overall3%
Advertised Vs Actual Product3%
Quality-Overall2%

Common questions

Is dishwasher water supply line profitable to sell on Amazon United States?
The niche generates $111K/yr across 17 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -3.5%. Flapen's verdict: Skip it (40/100).
How competitive is the dishwasher water supply line niche?
11 brands and 20 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in dishwasher water supply line?
Top complaints mined from reviews: Leak-Proof, Size-Overall, Advertised Vs Actual Product. The return rate is 4.3%.
When does demand for dishwasher water supply line peak?
Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the dishwasher water supply line niche?
Listings span $9.44–$23.66; the average listing price is $14.29 (sweet spot $15–$100). The average incumbent carries 440 reviews — the moat a new listing must climb.