Skip to content
66

tesla model 3 air filter

Launch it

A $945K/yr market growing +70.1% this quarter with returns at 1.8% — clears our launch bar.

Market size 77Growth 79Conversion 95Competition 30Returns 79Price range 90Avg price 92Brand share 63Review moat 25Quality gap 37

Conversion

Incredible12.5%

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

Avg price

Great$21.72

avg listing price — sweet spot $15–$100

Price range

Great$13.08–$42.58

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

Growth

Great+70.1%

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

Returns

Great1.8%

return rate — above 6% kills the launch gate

Market size

Great$945K

$945K/yr · 349K searches

Brand share

Good67%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay67%

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

Review moat

Bad4,895.27

avg incumbent reviews — the moat a new listing must climb

Competition

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

20

Top-5 brand share

67%

Open market

28%

  • Carory22%
  • Reilauto20%
  • Sezfom10%
  • XTechnor9%
  • EPAuto6%
  • CYBERBEANS5%

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%$95K20%$189K30%$284K40%$378K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +70.1% search growth over the last 90 days.
13K8KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 2.5×

Reviews

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

What buyers love

Size-Overall20%

“Fit perfect”

Filtration16%

“Great quality filter”

Quality-Overall12%

“Build quality feels solid”

Assembly/Installation11%

“East to install”

Value For Money6%

“worth the money”

Smell6%

“it actually helped with the smell”

Ease Of Use5%

“Very Convenient”

Advertised Vs Actual Product3%

“As advertised”

Instructions/User Manual/Troubleshooting3%

“Good quality & clear install instructions”

Efficiency1%

“works well”

What buyers complain about

Smell19%

“Exhaust odor gets through”

Filtration17%

“overall not a good filter”

Assembly/Installation8%

“installation is a bit tricky”

Quality-Overall6%

“Cheap and poor build quality”

Flexibility4%

“though it requires a little bit of flexibility”

Size-Overall3%

“Did Not Fit, Cannot Recommend”

Durability3%

“I was afraid I might break something”

Instructions/User Manual/Troubleshooting2%

“instructions are bad”

Advertised Vs Actual Product2%

“This is false advertising”

Thickness2%

“Thin and flimsy compared to OEM”

Top return reasons

Size-Overall26%
Filtration19%
Compatibility-Overall14%
Assembly/Installation12%
Value For Money9%
Advertised Vs Actual Product4%
Quality-Overall2%
Defective Material/Parts2%
Functionality-Overall2%
Smell2%