Skip to content
57

kitchen sink drain kit

Worth a look

Shows a sweet-spot price point ($20.12 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 40Growth 24Conversion 51Competition 75Returns 29Price range 79Avg price 88Brand share 86Review moat 69Quality gap 78

Avg price

Great$20.12

avg listing price — sweet spot $15–$100

Brand share

Great49%

top-5 brand share — no brand owns this niche

Price range

Great$7.25–$45.78

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Competition

Great40%

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

Review moat

Good744.95

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.2%

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

Market size

Okay$203K

$203K/yr · 242K searches

Returns

Okay4.7%

return rate — above 5% kills the launch gate

Growth

Bad-2.1%

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

According to Flapen's Amazon United States niche tracking, kitchen sink drain kit is a $203K/yr Amazon United States market (242K searches/yr). The top 5 brands hold 49% of demand. Verdict: Worth a look — 57/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

kitchen sink drain kit market data

Units sold / yr
10K–13K
avg 250–500/product
Revenue / yr
$201K–$252K
units × avg price
Conversion rate
4.2%
Avg BSR
#445
Page quality
0%
Prime
100%
Sponsored
97%
Out of stock
4.5%
Avg brand age
50 months
Avg seller age
156 days

Competition & brand share

The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.

Brands

22 falling

Sellers

46

Top-5 brand share

49%

Top 20: 98%

Top-5 click share

40%

Top 20: 83%

Open market

45%

  • Variimage20%
  • QruiLanTu10%
  • Moen7%
  • PetrelWing7%
  • COLDDD6%
  • KONE5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.1% search growth over the last 90 days.
7K5KBlack Friday '24Prime Day '25Spike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Top kitchen sink drain kit search terms

  • kitchen sink drain kit54K/yr
  • kitchen sink drain assembly20K/yr
  • kitchen sink plumbing kit19K/yr
  • under sink plumbing kit13K/yr
  • sink plumbing kit13K/yr
  • kitchen sink drain pipe kit13K/yr
  • kitchen sink drain pipe14K/yr
  • sink drain pipe kit11K/yr
  • sink pipe kit5K/yr
  • under sink pipe kit6K/yr
All search terms

Top kitchen sink drain kit 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%4%$8K8%$16K12%$24K16%$32K1101001K10K Reviews — right = deep review moat Market 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.

What buyers say about kitchen sink drain kit

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

What buyers love

Assembly/Installation19%

“Easy install”

Quality-Overall16%

“Great Product, seems to be very well made”

Size-Overall10%

“Fit perfect”

Value For Money9%

“Good price”

Leak-Proof7%

“does not leak”

Ease Of Use5%

“ease of use”

Design-Overall4%

“Good design”

Advertised Vs Actual Product4%

“Works as advertised”

Efficiency3%

“Works great”

Drainage3%

“Great drainer”

What buyers complain about

Quality-Overall17%

“Poor quality”

Size-Overall14%

“Not standard size”

Leak-Proof10%

“they leak”

Drainage9%

“which caused it to drain super slowly as a floor drain is meant to”

Material Quality4%

“Poor material choice wouldnt recommend”

Rusts/Corrodes3%

“rusted”

Defective Material/Parts3%

“Plumb parts”

Value For Money3%

“Slightly pricey,”

Instructions/User Manual/Troubleshooting2%

“needs a clear set of instructions”

Design-Overall2%

“Bad seal design”

Top return reasons

Size-Overall55%
Compatibility-Overall8%
Drainage7%
Advertised Vs Actual Product4%
Defective Material/Parts4%
Quality-Overall3%
Value For Money3%
Functionality-Overall3%
Leak-Proof3%
Material Quality2%

Common questions

Is kitchen sink drain kit profitable to sell on Amazon United States?
The niche generates $203K/yr across 37 tracked products. 4 of 8 products launched in the last 360 days are still selling. 90-day search growth is -2.1%. Flapen's verdict: Worth a look (57/100).
How competitive is the kitchen sink drain kit niche?
22 brands and 46 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 49% of demand.
What do buyers complain about in kitchen sink drain kit?
Top complaints mined from reviews: Quality-Overall, Size-Overall, Leak-Proof. The return rate is 4.7%.
When does demand for kitchen sink drain kit peak?
Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the kitchen sink drain kit niche?
Listings span $7.25–$45.78; the average listing price is $20.12 (sweet spot $15–$100). The average incumbent carries 745 reviews — the moat a new listing must climb.