Skip to content

3/8 fuel line

Skip it43/100

a concentrated shelf (top 5 take 84% of clicks) — 3/8 fuel line doesn't clear our bar today.

Market/yr

$756K

Growth (1y)

+145.3%

Products

11

Brands

8

was 8 a year ago

Sellers

11

Price range

$8.41–$43.98

Returns

1.7%

Rating

4.6★

43/100

Skip it

Scored 43/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
29
×0.30
Growth
70
×0.30
Competition
9
×0.20
Quality gap
29
×0.10
Returns
86
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +145.3% year over year.
7K4KSpike '24Spike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: May · busiest ÷ quietest = 1.9×

Competition

43%dojobkinb
  • dojobkinb43%
  • EVIL ENERGY23%
  • Eunice12%
  • HOUSUN9%
  • Jeemiter5%
  • Pangda3%
  • Other (2 brands)5%

The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack. 8 brands and 11 sellers compete here.

Brands

8 flat

was 8 a year ago

Sellers

11

Top 5 brand share

92%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 11 tracked products in this niche.

Reviews

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

What buyers love

Quality-Overall32%

“Quality hose and price is great”

Value For Money13%

“Worth the money”

Advertised Vs Actual Product10%

“As advertised”

Efficiency7%

“Worked to fix my problem”

Size-Overall7%

“Fit great”

Fuel Efficiency6%

“Good gas like I would buy again”

Pressure3%

“It has a braided layer to handle the pressure without issues”

Durability3%

“more durable”

Leak-Proof2%

“Initial leak testing with the system was fine”

Soft Feel2%

“Soft and thick to install”

What buyers complain about

Leak-Proof15%

“starting to leak”

Durability14%

“Split apart after 100 miles of use in my vehicle”

Quality-Overall13%

“Poor quality hose”

Size-Overall7%

“Does not run true to size”

Fuel Efficiency5%

“DO NOT USE FOR FUEL”

Material Quality5%

“Cheap material”

Pressure3%

“Everything I had burst was at 55psi aka stock LS fuel rail pressure”

Assembly/Installation3%

“Don't install this”

Thickness3%

“thick feel of the EE hose”

Advertised Vs Actual Product2%

“4 ft shorter than advertised”

Top return reasons

  • Size-Overall73%
  • Compatibility-Overall5%
  • Advertised Vs Actual Product4%
  • Quality-Overall2%
  • Value For Money2%
  • Pressure2%
  • Certifications1%
  • Defective Material/Parts1%
  • Material Quality1%
  • Functionality-Overall1%

Data scraped July 9, 2026 · Marketplace baseline: 4.4★ avg rating · $22.79 median price · 2.2% median returns across 14,944 tracked niches.