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mercury water pump kit

Skip it

A small market ($41K/yr) — this niche doesn't clear our bar today.

Market size 10Growth 59Conversion 34Competition 12Returns 46Price range 95Avg price 94Brand share 12Review moat 80Quality gap 22

Price range

Incredible$15.07–$87.11

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

Avg price

Great$46.53

avg listing price — sweet spot $15–$100

Review moat

Great397.8

avg incumbent reviews — the moat a new listing must climb

Growth

Good+34.5%

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

Returns

Okay3.4%

return rate — above 5% kills the launch gate

Conversion

Okay2.8%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad85%

top-5 click share — a locked-up shelf

Brand share

Bad95%

top-5 brand share — brand-locked demand

Market size

Bad$41K

$41K/yr · 32K searches

According to Flapen's Amazon United States niche tracking, mercury water pump kit is a $41K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 37/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

mercury water pump kit market data

Units sold / yr
750–1K
avg 0–100/product
Revenue / yr
$35K–$47K
units × avg price
Conversion rate
2.8%
Avg BSR
#183
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
8.3%
Avg brand age
48 months
Avg seller age
185 days

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

38

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

2%

  • Quicksilver62%
  • UANOFCN16%
  • QUICKMARINER10%
  • WINGOGO4%
  • FREPURDO3%
  • DynaVim Parts2%
  • Open — no brand owns it (1 brand, 2%)

Demand

Weekly Amazon search volume, last 9 weeks — +34.5% search growth over the last 90 days.
1K600May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

Top mercury water pump kit search terms

  • mercury water pump kit10K/yr
  • mercury 150 water pump kit7K/yr
  • mercury impeller kit4K/yr
  • mercury water pump impeller kit4K/yr
  • mercury outboard water pump kit3K/yr
  • mercury 115 hp water pump kit3K/yr
  • mercury outboard impeller kit2K/yr
All search terms

Top mercury water pump 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%15%$6K30%$12K45%$18K60%$25K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

What buyers say about mercury water pump kit

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

What buyers love

Quality-Overall23%

“Good quality”

Advertised Vs Actual Product23%

“Worked as advertised”

Size-Overall20%

“Fit perfectly”

Value For Money13%

“a great value for the money”

Assembly/Installation6%

“Easy to install”

Correct Contents5%

“Nice kit including all the pieces you'd want to put back in”

Efficiency4%

“for good operation it is a must”

Pressure2%

“Pump fit great pumps good water good price and fast shipping”

Ease Of Use2%

“Fast and easy”

Instructions/User Manual/Troubleshooting1%

“Came with instructions”

What buyers complain about

Advertised Vs Actual Product33%

“I want to get the items as shown in the pictures that are advertised. The impeller came with a plastic insert bushing the picture showed it was brass.”

Quality-Overall17%

“Not the greatest quality”

Value For Money17%

“way cheaper”

Weight Heavy8%

“Much heavier than after market”

Adhesion/Stickiness6%

“it can be a bit sticky to get it broke lose using a screw driver to break it lose”

Top return reasons

Size-Overall40%
Compatibility-Overall17%
Defective Material/Parts14%
Advertised Vs Actual Product13%
Motor Issues3%
Value For Money2%
Maintenance And Repair2%
Functionality-Overall2%
Assembly/Installation2%
Product Condition1%

Common questions

Is mercury water pump kit profitable to sell on Amazon United States?
The niche generates $41K/yr across 10 tracked products. 90-day search growth is +34.5%. Flapen's verdict: Skip it (37/100).
How competitive is the mercury water pump kit niche?
7 brands and 38 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 95% of demand.
What do buyers complain about in mercury water pump kit?
Top complaints mined from reviews: Advertised Vs Actual Product, Quality-Overall, Value For Money. The return rate is 3.4%.
What does it cost to enter the mercury water pump kit niche?
Listings span $15.07–$87.11; the average listing price is $46.53 (sweet spot $15–$100). The average incumbent carries 398 reviews — the moat a new listing must climb.