Skip to content
39

926-959

Skip it

A concentrated shelf (top 5 take 93% of clicks) — this niche doesn't clear our bar today.

Market size 76Growth 17Conversion 27Competition 6Returns 52Price range 28Avg price 81Brand share 17Review moat 72Quality gap 52

Avg price

Great$83.06

avg listing price — sweet spot $15–$100

Market size

Great$918K

$918K/yr · 504K searches

Review moat

Good629.29

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Good2.9%

return rate — above 6% kills the launch gate

Price range

Okay$50.57–$225.49

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

Conversion

Okay2.2%

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

Growth

Bad-16.6%

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

Brand share

Bad93%

top-5 brand share — brand-locked demand

Competition

Bad93%

top-5 click share — a locked-up shelf

Competition

The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

37

Top-5 brand share

93%

Open market

3%

  • Dorman51%
  • LEMASSON23%
  • Somusen8%
  • YITHSWAY7%
  • MNJWS4%
  • MILIPARTS3%
  • Open — no brand owns it (1 brand, 3%)

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%$138K30%$275K45%$413K60%$551K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -16.6% search growth over the last 90 days.
13K8KSpike '24Holiday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar, Dec · busiest ÷ quietest = 17.7×

Reviews

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

What buyers love

Quality-Overall22%

“Perfect flawless quality unit for compatable vehicle”

Size-Overall16%

“Fit great”

Value For Money12%

“Much cheaper”

Leak-Proof10%

“Works good and does not leak anymore”

Assembly/Installation5%

“The install was very straight forward”

Advertised Vs Actual Product5%

“Just as advertised”

Efficiency5%

“Works perfectly”

Coolant3%

“Great quality, my truck has been loving the fact it's not leaking oil and coolant anymore”

Maintenance And Repair2%

“Great replacement part”

Durability2%

“it seems to be built well enough”

What buyers complain about

Leak-Proof25%

“Leaking again”

Sensor11%

“Bad quality sensors”

Quality-Overall11%

“Absolute garbage”

Defective Material/Parts4%

“Faulty part”

Assembly/Installation4%

“unfortunately had to install in recently”

Pressure4%

“broken oil pressure sensor”

Value For Money3%

“I was worried because this was so affordable”

Durability2%

“After a week of use it broke again”

Lubrication2%

“DO NOT USE PROVIDED GASKETS”

Functionality-Overall2%

“Nothing worked”

Top return reasons

Leak-Proof22%
Defective Material/Parts14%
Size-Overall12%
Coolant10%
Compatibility-Overall7%
Sensor5%
Filtration5%
Value For Money4%
Assembly/Installation3%
Quality-Overall3%