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58

90915-yzzn1

Worth a look

Shows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 55Growth 55Conversion 74Competition 36Returns 93Price range 81Avg price 87Brand share 24Review moat 64Quality gap 53

Returns

Great1.1%

return rate — above 6% kills the launch gate

Avg price

Great$19.61

avg listing price — sweet spot $15–$100

Price range

Great$7.31–$52.00

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

Conversion

Good6.9%

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

Review moat

Good941.11

avg incumbent reviews — the moat a new listing must climb

Market size

Good$384K

$384K/yr · 285K searches

Growth

Good+27.3%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay64%

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

Brand share

Bad90%

top-5 brand share — brand-locked demand

Competition

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 rising

Sellers

48

Top-5 brand share

90%

Open market

6%

  • Toyota77%
  • HOONHERY4%
  • APSG4%
  • --3%
  • RAQX3%
  • DIINGO2%
  • Open — no brand owns it (2 brands, 6%)

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%10%$38K20%$77K30%$115K40%$154K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +27.3% search growth over the last 90 days.
8K6KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun · busiest ÷ quietest = 4.7×

Reviews

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

What buyers love

Size-Overall26%

“fits just as it should”

Filtration25%

“Easy way to get the filters I need”

Quality-Overall15%

“Good solid product”

Value For Money14%

“Cant beat the price”

Advertised Vs Actual Product8%

“As advertised”

Efficiency2%

“It help your going”

Leak-Proof2%

“Doesnt leak”

Assembly/Installation1%

“Easy installation”

Ease Of Use1%

“Easy to use”

Maintenance And Repair1%

“convenient for regular maintenance”

What buyers complain about

Filtration38%

“Obviously you dont know how well they filter”

Size-Overall16%

“Didn't fit”

Product Condition10%

“Definitely was used”

Compatibility-Overall5%

“Doesnt fit 2012 toyota highlander false advertising”

Advertised Vs Actual Product5%

“Does not fit 07 toyota matrix like says”

Value For Money4%

“found out its cheaper at the Toyota dealership”

Thickness1%

“The factory package is only thin cardboard like paper”

Quality-Overall1%

“These were super low quality”

Leak-Proof1%

“caused a leak”

Lubrication1%

“When I looked at the filter it felt greasy with oil”

Top return reasons

Size-Overall41%
Compatibility-Overall20%
Filtration17%
Advertised Vs Actual Product6%
Value For Money6%
Defective Material/Parts5%
Product Condition1%
Functionality-Overall1%
Assembly/Installation1%
Quality-Overall0%