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58

fuel filler neck

Worth a look

Shows a fragmented shelf (top 5 take 18% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 44Growth 23Conversion 21Competition 96Returns 46Price range 38Avg price 93Brand share 93Review moat 95Quality gap 63

Competition

Incredible18%

top-5 click share — an open shelf

Review moat

Great105.12

avg incumbent reviews — the moat a new listing must climb

Brand share

Great42%

top-5 brand share — no brand owns this niche

Avg price

Great$49.91

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Okay3.5%

return rate — above 6% kills the launch gate

Market size

Okay$230K

$230K/yr · 271K searches

Price range

Okay$6.04–$230.64

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

Growth

Bad-4.4%

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

Conversion

Bad1.7%

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

Competition

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.

Brands

68 rising

Sellers

135

Top-5 brand share

42%

Open market

54%

  • Dorman16%
  • A-Premium9%
  • LDMINDA8%
  • TRQ6%
  • Aumzong4%
  • ECCPP3%

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%2%$5K4%$9K6%$14K8%$18K1101001K 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 147 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.4% search growth over the last 90 days.
6K4KSpike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Reviews

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

What buyers love

Size-Overall30%

“Fit great”

Quality-Overall17%

“The hose seems to be of nice quality”

Advertised Vs Actual Product11%

“As advertised”

Value For Money8%

“Good price”

Efficiency5%

“Does the job”

Assembly/Installation4%

“Easy install”

Ease Of Use3%

“Easy to use”

Leak-Proof3%

“It fits, works properly and don't leak”

Durability3%

“seems durable”

Strength2%

“Not some flimsy junk”

What buyers complain about

Size-Overall21%

“It's way to short”

Compatibility-Overall14%

“Was not for my vehicle like told”

Assembly/Installation6%

“Assembly required BUMMER”

Value For Money5%

“it is a poor value at the $49.99 price when I ordered”

Mounting5%

“Dropped the drive shaft to pull this thing out and install fyi only to find out the bolts I took out of the original one was bigger so you have to get smaller bolts or drill and tap”

Thickness4%

“It is thick walled”

Fuel Efficiency4%

“won't fill with gas”

Functionality-Overall3%

“Did not work”

Rusts/Corrodes3%

“rusted tabs mount broke plastic”

Quality-Overall3%

“Trash”

Top return reasons

Size-Overall56%
Compatibility-Overall15%
Functionality-Overall5%
Advertised Vs Actual Product5%
Defective Material/Parts5%
Value For Money2%
Assembly/Installation2%
Width1%
Quality-Overall1%
Product Condition1%