---
title: "Fuel Tank Vent — $45K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/fuel-tank-vent"
last_updated: "2026-08-11T03:43:31.707Z"
locale: en
meta:
  description: "Niche score 55/100 · $45K/yr market · 99K searches/yr · $13.57 avg price. A small market ($45K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $45K/yr market · 99K searches/yr · $13.57 avg price. A small market ($45K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Fuel Tank Vent — $45K/yr Amazon US Niche (2026) - Flapen"
---

# **fuel tank vent**

**Worth a look**

Shows no brand lock-in (top 5 brands take 39% of clicks), but a small market ($45K/yr) keeps it on the watch list.

Market size 11Growth 36Conversion 42Competition 83Returns 83Price range 66Avg price 63Brand share 95Review moat 80Quality gap 33

**Brand share**

**Incredible****39%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****32%**

top-5 click share — an open shelf

**Returns**

**Great****1.6%**

return rate — above 5% kills the launch gate

**Review moat**

**Great****406.1**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Good****$4.01–$36.14**

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

**Avg price**

**Good****$13.57**

avg listing price — sweet spot $15–$100

**Conversion**

**Okay****3.3%**

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**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$45K**

$45K/yr · 99K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

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 ~~](https://flapen.com/research/methodology)

## **fuel tank vent market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$41K–$54K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#193**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**73%**</dd>

<dt>**Out of stock**</dt><dd>**2.1%**</dd>

<dt>**Avg brand age**</dt><dd>**42 months**</dd>

<dt>**Avg seller age**</dt><dd>**167 days**</dd>

</dl>

## **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.

2K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.7×

[**Open Trend **](https://flapen.com/research/us/automotive/fuel-tank-vent/trend)

## **Top fuel tank vent search terms**

- **fuel tank vent**26K/yr+3.8%2.9% conv. - **fuel tank vent valve**26K/yr-14.8%2.5% conv. - **gas tank vent**10K/yr+32.5%4.6% conv. - **boat fuel tank vent**5K/yr+117.6%2.9% conv. - **fuel tank breather vent**6K/yr+5.9%2.6% conv. - **rollover vent valve**5K/yr+37.2%2.5% conv. - **gas tank vent valve**6K/yr+25.3%3.1% conv. - **fuel tank breather**5K/yr+10.2%2.0% conv. - **fuel vent**4K/yr+19.1%3.4% conv. - **tank vent**3K/yr+17.6%1.5% conv. [**All search terms **](https://flapen.com/research/us/automotive/fuel-tank-vent/search-terms)

## **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.

0%3%$1K6%$3K9%$4K12%$5K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Alsoyixia Remote Mount Vent Valve for Fuel Tanks Tank Vent Line Replacement Part 5/16 Barb Size Detachable](https://m.media-amazon.com/images/I/51qGg61RreL.jpg)**Alsoyixia Remote Mount Vent Valve for Fuel Tanks Tank Vent Line Replacement Part 5/16 Barb Size Detachable**Alsoyixia**$10.74**4.4★148 rev](https://www.amazon.com/dp/B0D5465H4V) [2![Remote Mount Vent Valve for Fuel Tanks - w/Mounting Valve Brackets 5/16 Barb Size Tank Vent Line Replacement Part Detachable Easy Installation](https://m.media-amazon.com/images/I/41JGp0ap09L.jpg)**Remote Mount Vent Valve for Fuel Tanks - w/Mounting Valve Brackets 5/16 Barb Size Tank Vent Line Replacement Part Detachable Easy Installation**Braveboy**$15.58**4.9★34 rev](https://www.amazon.com/dp/B0F9L1RTFF) [3![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)](https://m.media-amazon.com/images/I/31z6yPtJikL.jpg)**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**$9.99**4.6★282 rev](https://www.amazon.com/dp/B0D5CCPSYF) [4![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](https://m.media-amazon.com/images/I/31DKU-8MUvL.jpg)**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**$8.47**4.4★77 rev](https://www.amazon.com/dp/B0DZCMVWGR) [5![Seachoice Fuel Tank Vent Chrome 5/8 in. USCG Approved](https://m.media-amazon.com/images/I/319nEjygE-L.jpg)**Seachoice Fuel Tank Vent Chrome 5/8 in. USCG Approved**SEACHOICE**$14.98**4.6★103 rev](https://www.amazon.com/dp/B000N9RE4S)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/31a7Dj8g3sL.jpg)**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**$13.87**3 rev10mo ago](https://www.amazon.com/dp/B0FPKK12QB) [![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](https://m.media-amazon.com/images/I/41E8SFenQjL.jpg)**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**$16.04**22 rev1y ago](https://www.amazon.com/dp/B0F9SZ8BML) [![Remote Mount Vent Valve for Fuel Tanks - w/Mounting Valve Brackets 5/16 Barb Size Tank Vent Line Replacement Part Detachable Easy Installation](https://m.media-amazon.com/images/I/41JGp0ap09L.jpg)**Remote Mount Vent Valve for Fuel Tanks - w/Mounting Valve Brackets 5/16 Barb Size Tank Vent Line Replacement Part Detachable Easy Installation**Braveboy**$15.58**34 rev1y ago](https://www.amazon.com/dp/B0F9L1RTFF) [![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](https://m.media-amazon.com/images/I/31JkJjzDtLL.jpg)**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**$17.06**27 rev1y ago](https://www.amazon.com/dp/B0F26BM5Z7) [![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](https://m.media-amazon.com/images/I/31DKU-8MUvL.jpg)**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**$8.47**77 rev1y ago](https://www.amazon.com/dp/B0DZCMVWGR)

**~~View all new products →~~**

### **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](https://m.media-amazon.com/images/I/311qF43JrvL.jpg)**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**$6.03**4.4★**▲ 112%**](https://www.amazon.com/dp/B09TY41Y36) [![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](https://m.media-amazon.com/images/I/31a7Dj8g3sL.jpg)**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**$13.87**4.6★**▲ 102%**](https://www.amazon.com/dp/B0FPKK12QB) [![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](https://m.media-amazon.com/images/I/41E8SFenQjL.jpg)**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**$16.04**4.8★**▲ 75%**](https://www.amazon.com/dp/B0F9SZ8BML) [![Remote Mount Vent Valve for Fuel Tanks - w/Mounting Valve Brackets 5/16 Barb Size Tank Vent Line Replacement Part Detachable Easy Installation](https://m.media-amazon.com/images/I/41JGp0ap09L.jpg)**Remote Mount Vent Valve for Fuel Tanks - w/Mounting Valve Brackets 5/16 Barb Size Tank Vent Line Replacement Part Detachable Easy Installation**Braveboy**$15.58**4.9★**▲ 66%**](https://www.amazon.com/dp/B0F9L1RTFF) [![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](https://m.media-amazon.com/images/I/412ehdPPSNL.jpg)**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**$6.63**4.5★**▲ 51%**](https://www.amazon.com/dp/B0CYP87C7R)

**~~View all trending →~~**

## **What buyers say about fuel tank vent**

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

### **What buyers love **

**Size-Overall**22%

*“Fit as it should”*

**Advertised Vs Actual Product**14%

*“As advertised”*

**Quality-Overall**14%

*“Excellent product”*

**Assembly/Installation**9%

*“super easy to put on”*

**Efficiency**7%

*“It works great”*

**Value For Money**7%

*“worth every penny”*

**Pressure**3%

*“Works great to ventilate gas can”*

**Leak-Proof**3%

*“Nothing leaked”*

**Ease Of Use**3%

*“it is really easy to use”*

**Mounting**2%

*“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 **

**Size-Overall**16%

*“Opening bigger than expected”*

**Durability**8%

*“causes it to break”*

**Advertised Vs Actual Product**8%

*“Not as pictured”*

**Quality-Overall**7%

*“is complete garbage I've had it pop out of my gas can at least 10 different times”*

**Functionality-Overall**7%

*“Don't work”*

**Assembly/Installation**5%

*“take more to install”*

**Strength**4%

*“Fit well felt a little flimsy”*

**Pressure**4%

*“The vent doesnt work well”*

**Leak-Proof**3%

*“Gas is constantly leaking from the closed vent”*

**Design-Overall**3%

*“Not designed well”*

### **Top return reasons **

**Size-Overall**62%

**Compatibility-Overall**8%

**Advertised Vs Actual Product**7%

**Defective Material/Parts**6%

**Functionality-Overall**6%

**Leak-Proof**3%

**Mounting**1%

**Color**1%

**Value For Money**1%

**Maintenance And Repair**1%

## **Common questions**

<dl>

<dt>**Is fuel tank vent profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the fuel tank vent niche?**</dt><dd>46 brands and 119 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 39% of demand.</dd>

<dt>**What do buyers complain about in fuel tank vent?**</dt><dd>Top complaints mined from reviews: Size-Overall, Durability, Advertised Vs Actual Product. The return rate is 1.6%.</dd>

<dt>**When does demand for fuel tank vent peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.7× the quietest.</dd>

<dt>**What does it cost to enter the fuel tank vent niche?**</dt><dd>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.</dd>

</dl>

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