---
title: "Vent Valve — $78K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/vent-valve"
last_updated: "2026-08-09T12:06:52.536Z"
locale: en
meta:
  description: "Niche score 49/100 · $78K/yr market · 110K searches/yr · $29.98 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · $78K/yr market · 110K searches/yr · $29.98 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Vent Valve — $78K/yr Amazon US Niche (2026) - Flapen"
---

# **vent valve**

**Skip it**

Soft demand (-23.4% this quarter) — this niche doesn't clear our bar today.

Market size 19Growth 13Conversion 29Competition 87Returns 20Price range 85Avg price 95Brand share 71Review moat 87Quality gap 53

**Avg price**

**Incredible****$29.98**

avg listing price — sweet spot $15–$100

**Competition**

**Great****28%**

top-5 click share — an open shelf

**Review moat**

**Great****252.7**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Great****$8.47–$62.64**

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

**Brand share**

**Good****62%**

top-5 brand share — brands hold most of the demand

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****2.4%**

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

**Returns**

**Bad****6.5%**

return rate — above 5% kills the launch gate

**Market size**

**Bad****$78K**

$78K/yr · 110K searches

**Growth**

**Bad****-23.4%**

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

**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

According to Flapen's Amazon United States niche tracking, vent valve is a $78K/yr Amazon United States market (110K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Mar. Verdict: Skip it — 49/100.

Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **vent valve market data**

<dl>

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

<dt>**Revenue / yr**</dt><dd>**$90K–$120K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.4%**</dd>

<dt>**Avg BSR**</dt><dd>**#225**</dd>

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

<dt>**Prime**</dt><dd>**98%**</dd>

<dt>**Sponsored**</dt><dd>**77%**</dd>

<dt>**Out of stock**</dt><dd>**0.4%**</dd>

<dt>**Avg brand age**</dt><dd>**39 months**</dd>

<dt>**Avg seller age**</dt><dd>**162 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

**Brands**

**34 **—flat

**Sellers**

**122**

**Top-5 brand share**

**62%**

Top 20: 92%

**Top-5 click share**

**28%**

Top 20: 60%

**Open market**

**33%**

- Dorman33% - GM GENUINE PARTS15% - Forwinparts5% - Satiooog5% - PANNUOSCS5% - A-Premium4%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -23.4% search growth over the last 90 days.

3K2KSpike '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Mar · busiest ÷ quietest = 2.6×

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

## **Top vent valve search terms**

- **evap vent solenoid**30K/yr-33.4%2.8% conv. - **vent valve**23K/yr-13.4%1.4% conv. - **vent valve solenoid**20K/yr-19.3%2.3% conv. - **vent solenoid**10K/yr-14.5%2.6% conv. - **evap vent valve solenoid**8K/yr-23.5%2.7% conv. - **canister vent valve solenoid**10K/yr-44.9%2.3% conv. - **canister vent solenoid**5K/yr-3.0%2.3% conv. - **evap canister vent control valve**5K/yr-2.7%0.9% conv. [**All search terms **](https://flapen.com/research/us/automotive/vent-valve/search-terms)

## **Top vent valve 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%2%$2K4%$3K6%$5K8%$6K1101001K10K 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![Dorman 911-238 Vapor Canister Vent Solenoid Compatible with Select Models](https://m.media-amazon.com/images/I/41XuBg2D-3L.jpg)**Dorman 911-238 Vapor Canister Vent Solenoid Compatible with Select Models**Dorman**$22.02**4.6★435 rev](https://www.amazon.com/dp/B07CXDGB25) [2![Dorman 911-064 Vapor Canister Vent Solenoid Compatible with Select Cadillac/Chevrolet/GMC Models](https://m.media-amazon.com/images/I/31vhwE-zbBL.jpg)**Dorman 911-064 Vapor Canister Vent Solenoid Compatible with Select Cadillac/Chevrolet/GMC Models**Dorman**$50.07**4.5★620 rev](https://www.amazon.com/dp/B07CX75BJ7) [3![Forwinparts Evap Canister Vent Solenoid Valve Assembly P0449 for 2004-2010 Chevy Silverado GMC Sierra 1500 2500 3500 HD Classic Vapor Canister Vent Solenoid 19207763 911-237 10357992 CVS34](https://m.media-amazon.com/images/I/41PGiKjkaIL.jpg)**Forwinparts Evap Canister Vent Solenoid Valve Assembly P0449 for 2004-2010 Chevy Silverado GMC Sierra 1500 2500 3500 HD Classic Vapor Canister Vent Solenoid 19207763 911-237 10357992 CVS34**Forwinparts**$28.12**4.3★870 rev](https://www.amazon.com/dp/B08S3J5LLS) [4![GM Genuine Parts 23481275 Vapor Canister Vent Valve](https://m.media-amazon.com/images/I/31KEVW1Bb0L.jpg)**GM Genuine Parts 23481275 Vapor Canister Vent Valve**GM GENUINE PARTS**$41.80**4.6★1,817 rev](https://www.amazon.com/dp/B00RW3A04E) [5![Vapor Canister Vent Solenoid P0449 for Chevy Silverado GMC Sierra 2004-2010](https://m.media-amazon.com/images/I/418-65ymQBL.jpg)**Vapor Canister Vent Solenoid P0449 for Chevy Silverado GMC Sierra 2004-2010**Satiooog**$26.67**4.2★80 rev](https://www.amazon.com/dp/B0CTCQJHLS)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![ESWW Vapor Canister Purge Valve Solenoid EVAP Purge Valve Solenoid Replacement 55573017 for Chevrolet Cruze Sonic Trax EVAP Canister Emission Vent Purge Control Valves PV704 2M1338 55576071 0280142](https://m.media-amazon.com/images/I/31xA5kaE0SL.jpg)**ESWW Vapor Canister Purge Valve Solenoid EVAP Purge Valve Solenoid Replacement 55573017 for Chevrolet Cruze Sonic Trax EVAP Canister Emission Vent Purge Control Valves PV704 2M1338 55576071 0280142**ESWW**$16.55**1 rev5mo ago](https://www.amazon.com/dp/B0GHQ9NWT7) [![Mirthcos Vapor Canister Purge Valve Solenoid EVAP Compatible for Chevrolet Silverado Tahoe Trailblazer Suburban Colorado & GMC Sierra Yukon & Buick LaCrosse & Cadillac Escalade 214-1680 911-032](https://m.media-amazon.com/images/I/41eTnFWpdtL.jpg)**Mirthcos Vapor Canister Purge Valve Solenoid EVAP Compatible for Chevrolet Silverado Tahoe Trailblazer Suburban Colorado & GMC Sierra Yukon & Buick LaCrosse & Cadillac Escalade 214-1680 911-032**Mirthcos**$13.32**186 rev1y ago](https://www.amazon.com/dp/B0DQTB7P1B) [![YCUPONE Evaporator Emission Canister Vent Solenoid Valve 15759044 Compatible with Escalade Avalanche Silverado Suburban Sierra Yukon](https://m.media-amazon.com/images/I/31QVvts-C8L.jpg)**YCUPONE Evaporator Emission Canister Vent Solenoid Valve 15759044 Compatible with Escalade Avalanche Silverado Suburban Sierra Yukon**YCUPONE**$21.79**14 rev2y ago](https://www.amazon.com/dp/B0D7YVRPWF) [![Vapor Canister Vent Solenoid P0449 for Chevy Silverado GMC Sierra 2004-2010](https://m.media-amazon.com/images/I/418-65ymQBL.jpg)**Vapor Canister Vent Solenoid P0449 for Chevy Silverado GMC Sierra 2004-2010**Satiooog**$26.67**80 rev2y ago](https://www.amazon.com/dp/B0CTCQJHLS) [![Bittwee Car Vapor Canister Purge Valve Solenoid Automotive Vapor Canister Emission Purge Valves Solenoid with OEM Replacement 2891026900 28910-26900 911-808 Universal for Vehicles SUVs](https://m.media-amazon.com/images/I/31YJfegSZiL.jpg)**Bittwee Car Vapor Canister Purge Valve Solenoid Automotive Vapor Canister Emission Purge Valves Solenoid with OEM Replacement 2891026900 28910-26900 911-808 Universal for Vehicles SUVs**Bittwee**$8.47**420 rev2y ago](https://www.amazon.com/dp/B0CLXXJMVQ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![ESWW Vapor Canister Purge Valve Solenoid EVAP Purge Valve Solenoid Replacement 55573017 for Chevrolet Cruze Sonic Trax EVAP Canister Emission Vent Purge Control Valves PV704 2M1338 55576071 0280142](https://m.media-amazon.com/images/I/31xA5kaE0SL.jpg)**ESWW Vapor Canister Purge Valve Solenoid EVAP Purge Valve Solenoid Replacement 55573017 for Chevrolet Cruze Sonic Trax EVAP Canister Emission Vent Purge Control Valves PV704 2M1338 55576071 0280142**ESWW**$16.55**5.0★**▲ 245%**](https://www.amazon.com/dp/B0GHQ9NWT7) [![GM Genuine Parts 85123399 Vapor Canister Vent Solenoid Valve](https://m.media-amazon.com/images/I/21JUJn-MutL.jpg)**GM Genuine Parts 85123399 Vapor Canister Vent Solenoid Valve**GM GENUINE PARTS**$37.92**4.4★**▲ 40%**](https://www.amazon.com/dp/B0CY1RRXCV) [![Vapor Canister Vent Valve/Solenoid P0446 Fit for 2007-2019 Chevy Silverado 1500 2500 3500/GMC Sierra 1500 2500 3500 Fuel Tank Vapor Emission Canister Vent Solenoid CVS191 911-099 23103351](https://m.media-amazon.com/images/I/31TcaVi3+bL.jpg)**Vapor Canister Vent Valve/Solenoid P0446 Fit for 2007-2019 Chevy Silverado 1500 2500 3500/GMC Sierra 1500 2500 3500 Fuel Tank Vapor Emission Canister Vent Solenoid CVS191 911-099 23103351**PANNUOSCS**$33.65**4.2★**▲ 39%**](https://www.amazon.com/dp/B0BWHKPQ25) [![Dorman 911-238 Vapor Canister Vent Solenoid Compatible with Select Models](https://m.media-amazon.com/images/I/41XuBg2D-3L.jpg)**Dorman 911-238 Vapor Canister Vent Solenoid Compatible with Select Models**Dorman**$22.02**4.6★**▲ 25%**](https://www.amazon.com/dp/B07CXDGB25) [![Standard Motor Products CVS6 2-Terminal Vapor Canister Vent Solenoid](https://m.media-amazon.com/images/I/311jKElaCiL.jpg)**Standard Motor Products CVS6 2-Terminal Vapor Canister Vent Solenoid**Standard Motor Products**$23.44**4.4★**▲ 23%**](https://www.amazon.com/dp/B004J9FAYE)

**~~View all trending →~~**

## **What buyers say about vent valve**

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

### **What buyers love **

**Size-Overall**26%

*“Direct fit”*

**Quality-Overall**14%

*“Great quality and arrived right on time”*

**Assembly/Installation**12%

*“Took about 5 minutes to install”*

**Value For Money**11%

*“Good price”*

**Efficiency**9%

*“Effective”*

**Advertised Vs Actual Product**9%

*“Works as it should”*

**Functionality-Overall**2%

*“Works had no issues”*

**Maintenance And Repair**2%

*“The part repaired my vehicle”*

**Ease Of Use**2%

*“Easy”*

**Product Condition**1%

*“Just like new again”*

### **What buyers complain about **

**Durability**13%

*“durability is questionable”*

**Size-Overall**12%

*“doesn't fit my truck”*

**Compatibility-Overall**10%

*“doesn't fit my truck”*

**Leak-Proof**8%

*“it was leaking air”*

**Functionality-Overall**7%

*“Does Not Perform”*

**Quality-Overall**6%

*“Item is trash”*

**Advertised Vs Actual Product**4%

*“it was described as it fits my vehicle but it definitely does not”*

**Noise Level**3%

*“it immediately started clicking very loudly”*

**Value For Money**3%

*“I guess buying the cheaper one wasnt a good idea”*

**Filtration**3%

*“bad purge valve”*

### **Top return reasons **

**Size-Overall**27%

**Compatibility-Overall**22%

**Defective Material/Parts**14%

**Advertised Vs Actual Product**11%

**Functionality-Overall**7%

**Product Condition**3%

**Value For Money**2%

**Assembly/Installation**2%

**Socket/Port/Plug**2%

**Connectivity-Overall**2%

## **Common questions**

<dl>

<dt>**Is vent valve profitable to sell on Amazon United States?**</dt><dd>The niche generates $78K/yr across 81 tracked products. 3 of 9 products launched in the last 360 days are still selling. 90-day search growth is -23.4%. Flapen's verdict: Skip it (49/100).</dd>

<dt>**How competitive is the vent valve niche?**</dt><dd>34 brands and 122 sellers compete. The top 5 products take 28% of clicks and top 5 brands hold 62% of demand.</dd>

<dt>**What do buyers complain about in vent valve?**</dt><dd>Top complaints mined from reviews: Durability, Size-Overall, Compatibility-Overall. The return rate is 6.5% — above our launch gate.</dd>

<dt>**When does demand for vent valve peak?**</dt><dd>Demand peaks in Mar; the busiest month runs 2.6× the quietest.</dd>

<dt>**What does it cost to enter the vent valve niche?**</dt><dd>Listings span $8.47–$62.64; the average listing price is $29.98 (sweet spot $15–$100). The average incumbent carries 253 reviews — the moat a new listing must climb.</dd>

</dl>

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