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64

Manual Bilge Pump

Worth a look

Shows a sweet-spot price point ($29.61 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 26Growth 89Conversion 65Competition 50Returns 85Price range 95Avg price 95Brand share 45Review moat 69Quality gap 72

Avg price

Incredible$29.61

avg listing price — sweet spot $15–$100

Price range

Incredible$16.98–$74.35

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

Growth

Great+95.6%

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

Returns

Great1.5%

return rate — above 5% kills the launch gate

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good721.64

avg incumbent reviews — the moat a new listing must climb

Conversion

Good5.8%

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

Competition

Good55%

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

Brand share

Okay78%

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

Market size

Okay$109K

$109K/yr · 64K searches

Is manual bilge pump profitable on Amazon?

According to Flapen's Amazon United States niche tracking, manual bilge pump is a $109K/yr Amazon United States market (64K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 64/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

manual bilge pump market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
$89K–$118K
units × avg price
Conversion rate
5.8%
Avg BSR
#89
Page quality
0%
Prime
88%
Sponsored
72%
Out of stock
3.0%
Avg brand age
65 months
Avg seller age
162 days

Competition: brands, sellers & click share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

110

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

55%

Top 20: 94%

Open market

17%

  • Better Boat38%
  • SeaSense20%
  • SEAFLO8%
  • HASSEN7%
  • HIKULA5%
  • attwood5%
  • Open — no brand owns it (8 brands, 17%)

manual bilge pump demand & seasonality

Weekly Amazon search volume, last 104 weeks — +95.6% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 3.3×

Top manual bilge pump search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • manual bilge pump30K/yr
  • hand bilge pump17K/yr
  • manual bilge pumps for boats10K/yr
  • hand bilge pumps for boats4K/yr
  • bilge pump manual3K/yr
All search terms

Top manual bilge pump products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$5K10%$11K15%$16K20%$22K1101001K10K 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 reviews say buyers love and hate about manual bilge pump

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

What buyers love

Ease Of Use13%

“Easy to use”

Efficiency13%

“It is highly effective”

Quality-Overall10%

“Great quality”

Advertised Vs Actual Product9%

“As expected”

Pressure5%

“This pump works as advertised”

Value For Money5%

“Price was good”

Water Resistance4%

“The pump works great to remove water”

Ease Of Cleaning4%

“Easy to handle and not messy”

Water Flow2%

“Moves a good amount of water”

Weight Light2%

“It's lightweight”

What buyers complain about

Size-Overall14%

“hose doesnt fit”

Leak-Proof11%

“It may be evidence of a leak”

Ease Of Use7%

“Needs a bit of effort”

Quality-Overall7%

“This Better Boat Manual Bilge Pump is not the level of quality that Id hoped for”

Durability7%

“Unhappy with the short time I had this before it broke”

Hard Feel4%

“it would help to have 2 people kind of hard for one”

Value For Money3%

“However, its not that great a value for the price”

Rusts/Corrodes3%

“I am taking off a star because one of the screws is rusting after a few months”

Smell3%

“It always smells horrible the next day”

Connectivity-Overall3%

“there isn't a great connection on the hose and the pump”

Top return reasons

Size-Overall43%
Functionality-Overall13%
Advertised Vs Actual Product12%
Defective Material/Parts5%
Product Condition3%
Ease Of Use3%
Quality-Overall3%
Value For Money2%
Comfort-Overall2%
Leak-Proof2%

Common manual bilge pump questions

Is manual bilge pump profitable to sell on Amazon United States?
The niche generates $109K/yr across 25 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is +95.6%. Flapen's verdict: Worth a look (64/100).
How competitive is the manual bilge pump niche?
14 brands and 110 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in manual bilge pump?
Top complaints mined from reviews: Size-Overall, Leak-Proof, Ease Of Use. The return rate is 1.5%.
When does demand for manual bilge pump peak?
Demand peaks in May–Jun–Jul–Aug; the busiest month runs 3.3× the quietest.
What does it cost to enter the manual bilge pump niche?
Listings span $16.98–$74.35; the average listing price is $29.61 (sweet spot $15–$100). The average incumbent carries 722 reviews — the moat a new listing must climb.