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56

honda accord air filter

Worth a look

Shows searches that convert (11.2% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 27Growth 47Conversion 92Competition 60Returns 89Price range 66Avg price 79Brand share 64Review moat 39Quality gap 19

Conversion

Great11.2%

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

Returns

Great1.3%

return rate — above 6% kills the launch gate

Avg price

Great$16.77

avg listing price — sweet spot $15–$100

Price range

Good$8.16–$28.03

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

Brand share

Good67%

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

Competition

Good49%

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

Growth

Okay+17.6%

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

Review moat

Okay2,622.39

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$116K

$116K/yr · 62K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

29

Top-5 brand share

67%

Open market

26%

  • EPAuto24%
  • RVgolf12%
  • Forccord11%
  • Carory11%
  • kurimup8%
  • ECOGARD8%

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%$5K8%$9K12%$14K16%$19K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 28 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +17.6% search growth over the last 90 days.
4K3KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep · busiest ÷ quietest = 2.5×

Reviews

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

What buyers love

Size-Overall34%

“Fit as advertised”

Quality-Overall15%

“Very solid quality”

Value For Money11%

“Excellent Value”

Filtration10%

“Good quality filter”

Assembly/Installation9%

“no issues installing it”

Advertised Vs Actual Product7%

“As advertised”

Ease Of Use2%

“It was so easy”

Efficiency2%

“It fulfills its function”

Strength1%

“The construction feels solid”

Smell1%

“Good airflow smells fresh”

What buyers complain about

Compatibility-Overall24%

“Disappointing as this filter showed as compatible on Amazon”

Size-Overall18%

“DOES NOT FIT”

Filtration11%

“air easily bypasses the filter rendering it useless”

Smell7%

“Weird smell”

Quality-Overall5%

“Cheap and best”

Product Condition3%

“Bought used”

Advertised Vs Actual Product2%

“Did not fit exactly as described”

Strength2%

“It's slightly flimsy filter material compared to other filters purchased”

Value For Money2%

“Dealers charge you over $100”

Ease Of Use2%

“It didnt know it was that easy”

Top return reasons

Size-Overall59%
Compatibility-Overall25%
Filtration7%
Value For Money2%
Advertised Vs Actual Product2%
Defective Material/Parts1%
Product Condition1%
Quality-Overall1%
Assembly/Installation1%
Functionality-Overall0%