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55

honda air filter

Worth a look

Shows searches that convert (9.2% search→purchase), but strong incumbent ratings (4.7★) keeps it on the watch list.

Market size 27Growth 45Conversion 84Competition 55Returns 79Price range 84Avg price 84Brand share 64Review moat 49Quality gap 20

Conversion

Great9.2%

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

Avg price

Great$18.66

avg listing price — sweet spot $15–$100

Price range

Great$8.32–$56.14

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

Returns

Great1.8%

return rate — above 6% kills the launch gate

Brand share

Good67%

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

Competition

Good52%

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

Review moat

Okay1,580.26

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+15.8%

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

Market size

Okay$113K

$113K/yr · 66K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 flat

Sellers

42

Top-5 brand share

67%

Open market

27%

  • RVgolf26%
  • EPAuto15%
  • K&N10%
  • Carory9%
  • PHILTOP6%
  • ECOGARD6%

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%$11K20%$23K30%$34K40%$45K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.8% search growth over the last 90 days.
4K3KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 2.4×

Reviews

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

What buyers love

Size-Overall36%

“Correct fit”

Quality-Overall19%

“The quality seems solid”

Filtration12%

“Excellent air filter”

Value For Money11%

“Great value”

Assembly/Installation7%

“these are ready to install”

Advertised Vs Actual Product4%

“This what I needed exactly”

Ease Of Use3%

“User friendly”

Smell2%

“Feel so good driving my car with a clean smell”

Material Quality1%

“the material itself seems robust”

Instructions/User Manual/Troubleshooting1%

“It comes with instructions—a useful bonus for many—and shows the locations on your vehicle”

What buyers complain about

Compatibility-Overall31%

“Does not fit a Honda HRV 2017”

Size-Overall24%

“Over an inch too small”

Filtration10%

“Filter seems too restrictive”

Advertised Vs Actual Product5%

“Description not accurate”

Shape/Style3%

“It has a completely different shape”

Maintenance And Repair3%

“Granted, most maintenance at dealerships is a ripoff BUT it takes all of five minutes if you don't know what you are doing, most of which is watching the youtube video telling you how to do it, and maybe a minute or two if you do know what you are doing”

Fuel Efficiency2%

“My gas mileage actually dropped after installing this”

Durability2%

“It doesnt last longer than 2 months”

Quality-Overall2%

“Not best quality”

Smell2%

“wonder why they have respitory issues or a funky smell in their car”

Top return reasons

Size-Overall48%
Compatibility-Overall28%
Filtration12%
Shape/Style3%
Advertised Vs Actual Product3%
Value For Money2%
Defective Material/Parts1%
Product Condition1%
Quality-Overall1%
Assembly/Installation0%