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54

subaru air filter

Worth a look

Shows low returns (1.0%), but strong incumbent ratings (4.7★) keeps it on the watch list.

Market size 27Growth 44Conversion 82Competition 49Returns 95Price range 84Avg price 87Brand share 59Review moat 43Quality gap 22

Returns

Great1.0%

return rate — above 6% kills the launch gate

Avg price

Great$19.81

avg listing price — sweet spot $15–$100

Price range

Great$8.54–$57.55

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

Conversion

Great8.7%

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

Brand share

Good69%

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

Competition

Okay56%

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

Growth

Okay+15.1%

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

Review moat

Okay2,157.13

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$112K

$112K/yr · 65K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 rising

Sellers

77

Top-5 brand share

69%

Open market

27%

  • K&N23%
  • EPAuto21%
  • Subaru11%
  • Premium Guard11%
  • RVgolf4%
  • Dacall4%

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%4%$4K8%$9K12%$13K16%$18K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 30 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.1% search growth over the last 90 days.
2K1KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Reviews

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

What buyers love

Size-Overall36%

“Fits like a glove”

Quality-Overall14%

“Good Quality, Easy change out”

Value For Money13%

“Great value”

Filtration13%

“Great Filter”

Assembly/Installation10%

“Easily installed”

Advertised Vs Actual Product4%

“As advertised”

Ease Of Use2%

“Ease of use”

Efficiency2%

“Works well”

Smell1%

“Removes all the dust and odors”

Maintenance And Repair1%

“Affordable Maintenance”

What buyers complain about

Size-Overall22%

“Does not fit”

Compatibility-Overall20%

“Does not fit my vehicle at all”

Filtration11%

“Do not buy engine air filter”

Quality-Overall4%

“is there no quality control that would have”

Advertised Vs Actual Product4%

“Description was not accurate”

Smell4%

“I forgot there was dog smell in the car”

Assembly/Installation3%

“Will snap off while installing”

Thickness2%

“The white gasket is too thick”

Noise Level1%

“Too eazy”

Shape/Style1%

“This one is square”

Top return reasons

Size-Overall48%
Compatibility-Overall24%
Filtration12%
Advertised Vs Actual Product4%
Value For Money3%
Defective Material/Parts2%
Product Condition1%
Quality-Overall1%
Assembly/Installation1%
Functionality-Overall1%