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46

6.7 powerstroke oil filter

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A small market ($65K/yr) — this niche doesn't clear our bar today.

Market size 16Growth 44Conversion 58Competition 16Returns 95Price range 33Avg price 93Brand share 30Review moat 66Quality gap 62

Returns

Incredible0.9%

return rate — above 6% kills the launch gate

Avg price

Great$50.41

avg listing price — sweet spot $15–$100

Review moat

Good846.17

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Good5.0%

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

Growth

Okay+15.3%

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

Price range

Okay$14.46–$274.92

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

Brand share

Okay87%

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

Market size

Bad$65K

$65K/yr · 26K searches

Competition

Bad80%

top-5 click share — a locked-up shelf

Competition

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 rising

Sellers

92

Top-5 brand share

87%

Open market

10%

  • Motorcraft46%
  • Doc's Auto Parts17%
  • Pacific Performance Engineering14%
  • Wix5%
  • KOROP5%
  • K&N3%
  • 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%$7K20%$13K30%$20K40%$26K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.3% search growth over the last 90 days.
700500Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Reviews

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

What buyers love

Filtration27%

“Decent filter,”

Quality-Overall21%

“Seems to be good quality filter - good fit”

Size-Overall13%

“Fit ok”

Value For Money9%

“Good price”

Assembly/Installation7%

“Easy installation”

Advertised Vs Actual Product4%

“Works as advertised”

Leak-Proof2%

“The rubber gasket didn't leak/drip at all”

Fuel Efficiency2%

“Docs Diesel Great Company With many quality products”

Durability2%

“Durability was good”

Efficiency2%

“About 3000 miles so far seems to function beautifully”

What buyers complain about

Filtration23%

“Almost cost me a 10k engine for a cheap filter”

Leak-Proof18%

“cant stop it from leaking”

Quality-Overall11%

“Trash”

Size-Overall7%

“it didn't fit”

Value For Money7%

“Cheap”

Defective Material/Parts5%

“Piece of S*** Product failed within first 30 seconds of starting truck after install”

Ease Of Use5%

“Do not use”

Assembly/Installation4%

“when screwing it seemed it wasn't screwing properly”

Durability2%

“blew out the side”

Product Condition2%

“Used”

Top return reasons

Filtration43%
Size-Overall14%
Advertised Vs Actual Product9%
Value For Money7%
Defective Material/Parts7%
Compatibility-Overall4%
Leak-Proof4%
Noise Level2%
Product Condition2%
Quality-Overall1%