Skip to content
40

air filter housing

Skip it

Weak search conversion (0.4%) — this niche doesn't clear our bar today.

Market size 9Growth 20Conversion 5Competition 53Returns 42Price range 67Avg price 86Brand share 50Review moat 93Quality gap 57

Review moat

Great132.24

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$69.05

avg listing price — sweet spot $15–$100

Price range

Good$6.78–$133.67

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Good53%

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

Brand share

Okay75%

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

Returns

Okay4.0%

return rate — above 6% kills the launch gate

Growth

Bad-9.5%

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

Market size

Bad$38K

$38K/yr · 137K searches

Conversion

Bad0.4%

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

Competition

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

Brands

22 falling

Sellers

84

Top-5 brand share

75%

Open market

23%

  • A-Premium60%
  • LAINLOY6%
  • Dorman4%
  • PTNHZ3%
  • RARAYC2%
  • Edelbrock2%

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%$4K20%$8K30%$11K40%$15K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 33 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 15 weeks — -9.5% search growth over the last 90 days.
3K2KMar '26Apr '26Apr '26May '26May '26Jun '26Jun '26Jul '26

Reviews

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

What buyers love

Size-Overall32%

“Perfect Fit”

Quality-Overall12%

“Appears to be well made”

Filtration9%

“Great filter for the price just make sure it's the proper fit installs easily and good quality”

Advertised Vs Actual Product8%

“It will do the job”

Efficiency5%

“Work perfectly”

Ease Of Use5%

“Super convenient”

Strength4%

“Solid design, decent seals”

Value For Money4%

“Worth it”

Assembly/Installation4%

“easy to install”

Storage Capacity2%

“giving far more room inside”

What buyers complain about

Size-Overall14%

“diameter was to small”

Sensor9%

“The opening for the MAF Sensor required some slight de-burring in order to fit”

Leak-Proof7%

“it leaked around the seams”

Compatibility-Overall7%

“Does not fit if you have a 2007-13 Chevy Suburban”

Value For Money5%

“Not worth the money”

Adhesion/Stickiness5%

“Its pretty hard to clamp on there and somewhat confusing”

Advertised Vs Actual Product5%

“Removed one star because the dimensions listed in the description are incorrect”

Product Condition5%

“Got a used product”

Ease Of Use5%

“A little cumbersome”

Flexibility5%

“Was hard to bend being spring steel”

Top return reasons

Size-Overall52%
Compatibility-Overall13%
Filtration8%
Defective Material/Parts6%
Advertised Vs Actual Product4%
Value For Money2%
Sensor2%
Assembly/Installation2%
Functionality-Overall2%
Material Quality1%