Skip to content
61

2020 subaru forester cabin air filter

Worth a look

Shows searches that convert (18.3% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 30Growth 66Conversion 99Competition 57Returns 88Price range 76Avg price 85Brand share 74Review moat 24Quality gap 28

Conversion

Incredible18.3%

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

Returns

Great1.3%

return rate — above 6% kills the launch gate

Avg price

Great$18.94

avg listing price — sweet spot $15–$100

Price range

Great$9.64–$32.71

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

Brand share

Good60%

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

Growth

Good+45.3%

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

Competition

Good51%

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

Market size

Okay$138K

$138K/yr · 40K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad5,776.81

avg incumbent reviews — the moat a new listing must climb

Competition

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

33

Top-5 brand share

60%

Open market

34%

  • EPAuto18%
  • ECOGARD16%
  • Puroma9%
  • RVgolf9%
  • SPEARHEAD8%
  • A-Premium6%

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%5%$7K10%$14K15%$21K20%$28K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 27 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — +45.3% search growth over the last 90 days.
1K600Spike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26DecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 2.1×

Reviews

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

What buyers love

Size-Overall39%

“Fit great”

Filtration12%

“This is very good quality filter”

Quality-Overall10%

“The quality of the filter seems reasonable”

Value For Money10%

“Great value”

Assembly/Installation9%

“installed without any issues: no complaints there”

Advertised Vs Actual Product4%

“As Advertised”

Ease Of Use3%

“quick and easy”

Efficiency2%

“this performs fine”

Smell1%

“It does help block smells”

Material Quality1%

“The filter material felt nice and thick and looked better than the original filter I just replaced”

What buyers complain about

Filtration22%

“cabin air filter does not”

Compatibility-Overall16%

“it's not compatible with VB WRX”

Size-Overall14%

“Does not fit as advertised”

Advertised Vs Actual Product6%

“Misleading product description”

Noise Level6%

“Noisy whistling sound”

Smell3%

“new car smell that I don't care for”

Assembly/Installation2%

“Will snap off while installing”

Quality-Overall2%

“It is hard to know the quality of these filters compared to the best”

Material Quality2%

“Made with cheap plastic”

Grip1%

“slips out”

Top return reasons

Size-Overall44%
Compatibility-Overall23%
Filtration14%
Advertised Vs Actual Product3%
Defective Material/Parts2%
Value For Money2%
Product Condition2%
Functionality-Overall2%
Mechanism Issues1%
Noise Level1%