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lf9009

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Soft demand (-12.8% this quarter) — this niche doesn't clear our bar today.

Market size 24Growth 19Conversion 97Competition 22Returns 96Price range 76Avg price 89Brand share 27Review moat 95Quality gap 35

Conversion

Incredible15.2%

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

Returns

Incredible0.9%

return rate — above 6% kills the launch gate

Review moat

Incredible95.62

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$62.76

avg listing price — sweet spot $15–$100

Price range

Great$21.96–$124.39

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay89%

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

Market size

Bad$97K

$97K/yr · 10K searches

Competition

Bad74%

top-5 click share — a locked-up shelf

Growth

Bad-12.8%

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

Competition

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 rising

Sellers

35

Top-5 brand share

89%

Open market

8%

  • Fleetguard68%
  • Hoiedt9%
  • FLTRUCKTOP4%
  • BAIZHIHUA4%
  • ATRACYPART4%
  • QKHH3%
  • Open — no brand owns it (3 brands, 8%)

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%15%$15K30%$29K45%$44K60%$58K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 13 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.8% search growth over the last 90 days.
300200Spike '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar · busiest ÷ quietest = 2.3×

Reviews

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

What buyers love

Value For Money31%

“You buy them here because they are the best price you could find and fastest shipping”

Quality-Overall25%

“Good product”

Locally Manufactured13%

“This one is the real thing Made in USA”

Lubrication13%

“Good lube oil filter for my Travel Supreme Motorhome with Cummins diesel engine”

Size-Overall13%

“Perfect fit”

Filtration6%

“The filter is fine”

What buyers complain about

Advertised Vs Actual Product50%

“Sale is for ONE unit only. Although TWO filters are pictured, and it is described as a "Combination Part", the sale is for ONE filter only.”

Size-Overall25%

“2021 Cummins, this filter does not fit due to missing threads”

Quality-Overall25%

“Junk”

Top return reasons

Filtration36%
Size-Overall24%
Defective Material/Parts12%
Compatibility-Overall12%
Advertised Vs Actual Product8%
Motor Issues4%
Assembly/Installation2%
Rubber Quality2%