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fd4615 motorcraft fuel filter

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A small market ($31K/yr) — this niche doesn't clear our bar today.

Market size 8Growth 24Conversion 54Competition 30Returns 85Price range 29Avg price 88Brand share 33Review moat 54Quality gap 70

Avg price

Great$63.15

avg listing price — sweet spot $15–$100

Returns

Great1.5%

return rate — above 6% kills the launch gate

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good4.5%

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

Review moat

Good1,344.4

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay85%

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

Competition

Okay67%

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

Price range

Okay$19.82–$296.86

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

Growth

Bad-1.9%

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

Market size

Bad$31K

$31K/yr · 11K searches

Competition

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 rising

Sellers

43

Top-5 brand share

85%

Open market

10%

  • Motorcraft44%
  • Doc's Auto Parts23%
  • Yinlowa8%
  • OXCANO6%
  • AUIVERED5%
  • ATRACYPART5%
  • Open — no brand owns it (4 brands, 10%)

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%$3K20%$6K30%$9K40%$12K1101001K10K 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 15 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 92 weeks — -1.9% search growth over the last 90 days.
900700Holiday '24Spike '25Spike '26NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: May, Jun · busiest ÷ quietest = 4.7×

Reviews

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

What buyers love

Size-Overall25%

“Good fit”

Value For Money16%

“Well worth the price”

Filtration13%

“Quality filters”

Quality-Overall12%

“Buy a quality filter”

Advertised Vs Actual Product11%

“Works as advertised”

Assembly/Installation6%

“Easy to install”

Efficiency3%

“Works great”

Fuel Efficiency2%

“Great Diesel Fuel Filters”

Ease Of Use2%

“Went in easy”

Spray/Flow1%

“had instant flow”

What buyers complain about

Filtration40%

“Filter defective”

Size-Overall14%

“Didn't fit to big”

Quality-Overall13%

“They don't work because the don't manufacture them correctly”

Value For Money5%

“they are pretty expensive considering there are no moving parts nor electronics”

Pressure4%

“Would not allow sufficient fuel wich cause low fuel rail pressure”

Leak-Proof4%

“Seals look like they would leak right away”

Flammable3%

“Truck could have gone up in flames surprisingly it did not”

Fuel Efficiency3%

“Unfortunately, after install, I kept getting Low Fuel Pressure warning and code”

Design-Overall2%

“Don't buy this version unless they fix the design”

Compatibility-Overall2%

“Did not work for my truck”

Top return reasons

Filtration45%
Size-Overall16%
Defective Material/Parts8%
Advertised Vs Actual Product5%
Compatibility-Overall4%
Value For Money4%
Functionality-Overall4%
Fuel Efficiency3%
Leak-Proof3%
Jamming/Clogging2%