3/8 vacuum hose
Skip itA small market ($51K/yr) — this niche doesn't clear our bar today.
Avg price
Great$21.04avg listing price — sweet spot $15–$100
Price range
Great$6.41–$68.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great9.0%search→purchase rate — share of searches ending in a sale
Returns
Good2.4%return rate — above 5% kills the launch gate
Review moat
Good929.19avg incumbent reviews — the moat a new listing must climb
Growth
Good+20.4%90-day search growth — must beat 0% to launch
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Competition
Bad70%top-5 click share — a locked-up shelf
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$51K$51K/yr · 27K searches
According to Flapen's Amazon United States niche tracking, 3/8 vacuum hose is a $51K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 46/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
3/8 vacuum hose market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $63K–$84K
- units × avg price
- Conversion rate
- 9.0%
- Avg BSR
- #598
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 0.0%
- Avg brand age
- 41 months
- Avg seller age
- 192 days
Competition & brand share
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 rising
Sellers
36
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
14%
- Apalie29%
- EVIL ENERGY24%
- dojobkinb12%
- Gephynm9%
- Impesur8%
- GELRIUNY4%
- Open — no brand owns it (6 brands, 14%)
Demand
Weekly Amazon search volume, last 11 weeks — +20.4% search growth over the last 90 days.Top 3/8 vacuum hose search terms
- 3/8 vacuum hose18K/yr
- 3/8 vacuum hose automotive6K/yr
- 3/8 vacuum line3K/yr
Top 3/8 vacuum hose products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Apalie 3/8(10mm) ID 5FT High Performance Automotive Silicone Vacuum Tubing Hose line 130PSI for Engine
Apalie$8.974.7★120 rev
EVIL ENERGY 3/8 Silicone Vacuum Tubing Hose Line 10FT 130PSI Max Pressure Black (10mm ID)
EVIL ENERGY$21.754.8★799 rev
3/8 Inch (10mm) ID Fuel Line Hose 10FT NBR Rubber Push Lock Hose High Pressure 300PSI for Automotive Fuel Systems Engines
dojobkinb$10.424.6★5,527 rev
Impesur 3/8 Silicone Vacuum hose 10FT Vacuum Hose Automotive Black (ID 10mm) 130PSI Max Pressure with 5 Hose Clamps
Impesur$12.174.8★20 rev
GEPHYNM Vacuum Hose Automotive 10 FT 3/8 Inch ID Vacuum Line 130PSI Max Pressure Vacuum Lines Automotive Silicone Hose
Gephynm$12.674.7★561 rev
Newest
by launch date
Upgraded HV1S 3/8 Heavy Duty Charging Vacuum Hose 3/8 to 1/4 Fittings 5 Ft 800 PSI Working Pressure 4000 PSI Burst Pressure Compatible with Most Refrigeration and Air Conditioning Equipment
GELRIUNY$39.2548 rev
Upgraded 15660 3/8in Heavy Duty Charging Vacuum Hose 3/8 to 3/8 Fittings 5 FT 600 PSI Working Pressure 3000 PSI Burst Pressure Compatible with Most Refrigeration&Air Conditioning Equipment
GELRIUNY$35.5937 rev
ACROPIX 130PSI Max Pressure Silicone Vacuum Tubing Hose Automotive Vacuum Line High Temperature 4FT 3/8 10mm ID 2mm Thickness Black Silicone
ACROPIX$6.4126 rev
2026 Upgrade HV1 3/8 Vacuum Hose 5 Ft Fittings: 3/8 x 3/8 Working Pressure: 800 (Psi) Burst Pressure: 4000 (Psi) Compatible with Most Refrigeration and Air Conditioning Equipment Black
Elyaspedy$46.3696 rev
Impesur 3/8 Silicone Vacuum hose 10FT Vacuum Hose Automotive Black (ID 10mm) 130PSI Max Pressure with 5 Hose Clamps
Impesur$12.1720 rev
Trending
90-day click momentum2026 Upgrade HV1 3/8 Vacuum Hose 5 Ft Fittings: 3/8 x 3/8 Working Pressure: 800 (Psi) Burst Pressure: 4000 (Psi) Compatible with Most Refrigeration and Air Conditioning Equipment Black
Elyaspedy$46.364.5★
Yellow Jacket 15660 Pulls Bc-60 Straight Heavy Duty Charging Vacuum Hose 3/8 Diameter
Yellow Jacket$68.884.7★
Upgraded HV1S 3/8 Heavy Duty Charging Vacuum Hose 3/8 to 1/4 Fittings 5 Ft 800 PSI Working Pressure 4000 PSI Burst Pressure Compatible with Most Refrigeration and Air Conditioning Equipment
GELRIUNY$39.254.6★
ACROPIX 130PSI Max Pressure Silicone Vacuum Tubing Hose Automotive Vacuum Line High Temperature 4FT 3/8 10mm ID 2mm Thickness Black Silicone
ACROPIX$6.414.0★
Apalie 3/8(10mm) ID 5FT High Performance Automotive Silicone Vacuum Tubing Hose line 130PSI for Engine
Apalie$8.974.7★
What buyers say about 3/8 vacuum hose
What buyers praise and complain about, mined from review topics.What buyers love
“High quality hose”
“As advertised”
“Good for the money”
“good cheap fuel line”
“more durable”
“It works great”
“perfect size”
“easy to use”
“Initial leak testing with the system was fine”
“Very happy great price Heavy Duty”
What buyers complain about
“Bad quality”
“about 6 months leaked again”
“it was 3 short of 10'”
“It broke down”
“Cheap material”
“I cannot imagine it holding up to any type of solvent/petroleum vapors the way a vacuum hose needs too”
“Too thick”
“Everything I had burst was at 55psi aka stock LS fuel rail pressure”
“Explosively disconnected - Dangerously manufactured”
“4 ft shorter than advertised”
Top return reasons
Common questions
- Is 3/8 vacuum hose profitable to sell on Amazon United States?
- The niche generates $51K/yr across 16 tracked products. 90-day search growth is +20.4%. Flapen's verdict: Skip it (46/100).
- How competitive is the 3/8 vacuum hose niche?
- 12 brands and 36 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in 3/8 vacuum hose?
- Top complaints mined from reviews: Quality-Overall, Leak-Proof, Size-Overall. The return rate is 2.4%.
- What does it cost to enter the 3/8 vacuum hose niche?
- Listings span $6.41–$68.88; the average listing price is $21.04 (sweet spot $15–$100). The average incumbent carries 929 reviews — the moat a new listing must climb.