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fuel filter 6.6 duramax diesel

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Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 61Growth 25Conversion 35Competition 6Returns 96Price range 95Avg price 95Brand share 0Review moat 60Quality gap 19

Returns

Incredible0.8%

return rate — above 6% kills the launch gate

Avg price

Incredible$31.09

avg listing price — sweet spot $15–$100

Price range

Incredible$18.84–$60.20

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

Market size

Good$537K

$537K/yr · 622K searches

Review moat

Good1,116.43

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay2.8%

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

Growth

Bad-0.0%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad93%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

35

Top-5 brand share

100%

Open market

0%

  • GM GENUINE PARTS78%
  • Doc's Auto Parts11%
  • ATRACYPART7%
  • Odashen3%
  • Open — no brand owns it (0%)

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%20%$107K40%$215K60%$322K80%$430K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -0.0% search growth over the last 90 days.
15K10KSpike '24Black Friday '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

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

Reviews

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

What buyers love

Size-Overall35%

“Fits Perfect”

Filtration20%

“Good quality filter”

Value For Money13%

“Great value”

Quality-Overall12%

“Seemed like a good quality filter”

Advertised Vs Actual Product9%

“Item is as stated”

Assembly/Installation3%

“Easy install”

Leak-Proof2%

“have not leaked”

Ease Of Cleaning1%

“Easy change out minimal mess”

Socket/Port/Plug1%

“Great oem spark plug cables”

Fuel Efficiency1%

“Great OEM fuel filter”

What buyers complain about

Quality-Overall29%

“Not the same quality as OEM”

Filtration15%

“O-Ring for filter housing was defective”

Leak-Proof7%

“The Wix filter I tried leaked around the gasket”

Compatibility-Overall5%

“Amazon states that this does not fit my truck”

Sensor5%

“Filter thread for water sensor isnt right”

Assembly/Installation5%

“Technician was challenged by the installation”

Value For Money5%

“$20 compared to dealer is a steal”

Advertised Vs Actual Product5%

“Not the same”

Fuel Efficiency4%

“Will starve engine of fuel”

Defective Material/Parts2%

“Direct factory replacement”

Top return reasons

Size-Overall25%
Filtration20%
Advertised Vs Actual Product10%
Compatibility-Overall9%
Defective Material/Parts7%
Value For Money5%
Functionality-Overall4%
Product Condition3%
Leak-Proof3%
Socket/Port/Plug2%