fuel tank vent
Worth a lookShows no brand lock-in (top 5 brands take 39% of clicks), but a small market ($45K/yr) keeps it on the watch list.
Brand share
Incredible39%top-5 brand share — no brand owns this niche
Competition
Great32%top-5 click share — an open shelf
Returns
Great1.6%return rate — above 5% kills the launch gate
Review moat
Great406.1avg incumbent reviews — the moat a new listing must climb
Price range
Good$4.01–$36.14cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$13.57avg listing price — sweet spot $15–$100
Conversion
Okay3.3%search→purchase rate — share of searches ending in a sale
Growth
Okay+8.6%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad$45K$45K/yr · 99K searches
According to Flapen's Amazon United States niche tracking, fuel tank vent is a $45K/yr Amazon United States market (99K searches/yr). The top 5 brands hold 39% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
fuel tank vent market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $41K–$54K
- units × avg price
- Conversion rate
- 3.3%
- Avg BSR
- #193
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 73%
- Out of stock
- 2.1%
- Avg brand age
- 42 months
- Avg seller age
- 167 days
Competition & brand share
Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.Brands
46 rising
Sellers
119
Top-5 brand share
39%
Top 20: 80%
Top-5 click share
32%
Top 20: 68%
Open market
57%
- Alsoyixia11%
- Braveboy9%
- Suspenix8%
- SEACHOICE7%
- keehui5%
- attwood4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +8.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.7×
Top fuel tank vent search terms
- fuel tank vent26K/yr
- fuel tank vent valve26K/yr
- gas tank vent10K/yr
- boat fuel tank vent5K/yr
- fuel tank breather vent6K/yr
- rollover vent valve5K/yr
- gas tank vent valve6K/yr
- fuel tank breather5K/yr
- fuel vent4K/yr
- tank vent3K/yr
Top fuel tank vent 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Alsoyixia Remote Mount Vent Valve for Fuel Tanks Tank Vent Line Replacement Part 5/16 Barb Size Detachable
Alsoyixia$10.744.4★148 rev
Remote Mount Vent Valve for Fuel Tanks - w/Mounting Valve Brackets 5/16 Barb Size Tank Vent Line Replacement Part Detachable Easy Installation
Braveboy$15.584.9★34 rev
Suspenix Fuel Tank Vent Valve Fuel Tank Vent with Grommet Seal Compatible with Ford 1980-1996 F150 F250 1980-1997 F350 Thunderbird (Pack of 1)
Suspenix$9.994.6★282 rev
QQWD 1 PC Fuel Tank Vent Plug Fuel Tank Vent Valve and Grommet Kit 5360058 5360059 Gas Tank Vent Valve Compatible with Jeep Wrangler Ford 1980-1996 F150 F250 1980-1997 F350
QQWD$8.474.4★77 rev
Seachoice Fuel Tank Vent Chrome 5/8 in. USCG Approved
SEACHOICE$14.984.6★103 rev
Newest
by launch date
EFI Fuel Tank Vent Roll Over Valve External Remote Breather Check Valve 5/16 Hose Barb Fitting (Part #19-174) for Off-Road Vehicles ATVs and UTVs Durable Black Design
JFJDSM$13.873 rev
Remote Mount Vent Valve w/Fuel Line Kit for Fuel Tanks 5/16 Barb Size External Rollover Check Valve Tank Vent Line Replacement Part with Fuel Line and Hard-ware
KINTLE$16.0422 rev
Remote Mount Vent Valve for Fuel Tanks - w/Mounting Valve Brackets 5/16 Barb Size Tank Vent Line Replacement Part Detachable Easy Installation
Braveboy$15.5834 rev
EFI Fuel Tank Vent Roll Over Valve External Remote Rollover Breather Check Valves Automotive Off-Roads ATV UTV 5/16 Hose Barb Fitting 19-174 Black
Jetuplusllc$17.0627 rev
QQWD 1 PC Fuel Tank Vent Plug Fuel Tank Vent Valve and Grommet Kit 5360058 5360059 Gas Tank Vent Valve Compatible with Jeep Wrangler Ford 1980-1996 F150 F250 1980-1997 F350
QQWD$8.4777 rev
Trending
90-day click momentum
2PCS Gas Fuel Cap Air Vent Hose Universal CNC Tank Valve Vent Tube with Chekc Ball Aluminum Breather for 50cc 110cc 70cc 125cc ATV Motorcycle Dirt Pit Quad Bike Motocross Black
APPYU$6.034.4★
EFI Fuel Tank Vent Roll Over Valve External Remote Breather Check Valve 5/16 Hose Barb Fitting (Part #19-174) for Off-Road Vehicles ATVs and UTVs Durable Black Design
JFJDSM$13.874.6★
Remote Mount Vent Valve w/Fuel Line Kit for Fuel Tanks 5/16 Barb Size External Rollover Check Valve Tank Vent Line Replacement Part with Fuel Line and Hard-ware
KINTLE$16.044.8★
Remote Mount Vent Valve for Fuel Tanks - w/Mounting Valve Brackets 5/16 Barb Size Tank Vent Line Replacement Part Detachable Easy Installation
Braveboy$15.584.9★
6 pcs Motorcycle Breather Hose Gas Fuel Tank Cap Vent Motorcycle Gas Cap Vent Hose Tube Aluminum Universal Breathing Tube Fits All Off-Road Motorcycles ATVs Fits Pit Dirt Bike
MUZHUPGUZ$6.634.5★
What buyers say about fuel tank vent
What buyers praise and complain about, mined from review topics.What buyers love
“Fit as it should”
“As advertised”
“Excellent product”
“super easy to put on”
“It works great”
“worth every penny”
“Works great to ventilate gas can”
“Nothing leaked”
“it is really easy to use”
“Good product easy to mount it comes in two pieces so all you have to do is drill a hole and mount it”
What buyers complain about
“Opening bigger than expected”
“causes it to break”
“Not as pictured”
“is complete garbage I've had it pop out of my gas can at least 10 different times”
“Don't work”
“take more to install”
“Fit well felt a little flimsy”
“The vent doesnt work well”
“Gas is constantly leaking from the closed vent”
“Not designed well”
Top return reasons
Common questions
- Is fuel tank vent profitable to sell on Amazon United States?
- The niche generates $45K/yr across 59 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is +8.6%. Flapen's verdict: Worth a look (55/100).
- How competitive is the fuel tank vent niche?
- 46 brands and 119 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 39% of demand.
- What do buyers complain about in fuel tank vent?
- Top complaints mined from reviews: Size-Overall, Durability, Advertised Vs Actual Product. The return rate is 1.6%.
- When does demand for fuel tank vent peak?
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- What does it cost to enter the fuel tank vent niche?
- Listings span $4.01–$36.14; the average listing price is $13.57 (sweet spot $15–$100). The average incumbent carries 406 reviews — the moat a new listing must climb.