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toyota prius water pump

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Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 32Growth 25Conversion 52Competition 14Returns 25Price range 35Avg price 79Brand share 0Review moat 90Quality gap 33

Review moat

Great204.09

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$89.46

avg listing price — sweet spot $15–$100

Conversion

Good4.2%

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

Price range

Okay$62.76–$169.51

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$146K

$146K/yr · 39K searches

Growth

Okay+0.1%

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

Returns

Okay5.9%

return rate — above 6% kills the launch gate

Competition

Bad84%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

69

Top-5 brand share

100%

Open market

0%

  • AISIN71%
  • BUSIDN18%
  • MYFANDOOR5%
  • DWLDMLWC3%
  • KUTTOLE3%
  • Open — no brand owns it (0%)

Product shelf

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

0%15%$22K30%$44K45%$65K60%$87K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 101 weeks — +0.1% search growth over the last 90 days.
1K750Spike '24Black Friday '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun · busiest ÷ quietest = 4.3×

Reviews

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

What buyers love

Size-Overall26%

“Fits perfectly”

Quality-Overall22%

“It's the best quality pump you can buy for this car”

Value For Money13%

“Worth the money”

Efficiency12%

“Working good”

Advertised Vs Actual Product10%

“description was excellent”

Assembly/Installation5%

“easy to install”

Pressure2%

“The water pump fit perfect”

Coolant2%

“it has stopped my coolant leak”

Durability2%

“it will last forever”

Leak-Proof2%

“no leaks”

What buyers complain about

Durability42%

“Failed After 2 Weeks”

Maintenance And Repair13%

“not a part that should need to be replaced once a year”

Quality-Overall13%

“NOT GOOD QUALITY”

Advertised Vs Actual Product8%

“Not as described”

Assembly/Installation4%

“A real chore to install”

Audio Quality4%

“Audible whining sound”

Noise Level4%

“Audible whining sound”

Heating3%

“it would overheat every time”

Value For Money3%

“The most expensive thing you can do is buy a cheap water pump”

Top return reasons

Defective Material/Parts18%
Functionality-Overall14%
Value For Money9%
Product Condition8%
Size-Overall8%
Assembly/Installation8%
Compatibility-Overall5%
Coolant4%
Durability3%
Advertised Vs Actual Product3%