---
title: "gas cap — Niche Verdict: Worth a look (62/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/gas-cap"
last_updated: "2026-07-13T22:39:16.916Z"
locale: en
meta:
  description: "gas cap shows a fragmented shelf (top 5 take 24% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "gas cap shows a fragmented shelf (top 5 take 24% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "gas cap — Niche Verdict: Worth a look (62/100) | Amazon United States - Flapen"
---

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# **gas cap**

**Worth a look**

Shows a fragmented shelf (top 5 take 24% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 71Growth 19Conversion 63Competition 91Returns 49Price range 73Avg price 43Brand share 70Review moat 53Quality gap 76

**Competition**

**Great****24%**

top-5 click share — an open shelf

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****$5.38–$40.50**

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

**Market size**

**Good****$768K**

$768K/yr · 1.2M searches

**Brand share**

**Good****63%**

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

**Conversion**

**Good****5.6%**

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

**Review moat**

**Good****1,378.32**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Okay****3.1%**

return rate — above 6% kills the launch gate

**Avg price**

**Okay****$11.19**

avg listing price — sweet spot $15–$100

**Growth**

**Bad****-11.3%**

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

## **Competition**

Clicks spread well past the top 5 (24% combined) — an open shelf where new products get seen.

**Brands**

**36 **▼falling

**Sellers**

**111**

**Top-5 brand share**

**63%**

**Open market**

**33%**

- ROVIKE28% - Manymiba21% - Gates7% - GM GENUINE PARTS4% - Anleecap4% - Eponcia3%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$23K6%$46K9%$69K12%$92K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 77 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Gas Cap Fuel Cap For 2000-2019 Dodge Ram 1500 2500 3500 Charger Challenger Durango Journey Nitro Grand Caravan Caliber Dakota & Chrysler 200 300 Town and Country Aspen Sebring Jeep Wrangler JK Liberty](https://m.media-amazon.com/images/I/51c1vhUndhL.jpg)**Gas Cap Fuel Cap For 2000-2019 Dodge Ram 1500 2500 3500 Charger Challenger Durango Journey Nitro Grand Caravan Caliber Dakota & Chrysler 200 300 Town and Country Aspen Sebring Jeep Wrangler JK Liberty**ROVIKE**$11.16**4.4★12,057 rev](https://www.amazon.com/dp/B08CR8YZC3) [2![Gas Cap Fuel Cap For Kia soul sedona Forte Sportage Sorento Spectra Optima Amanti Cadenza Rio & Hyundai Sonata Elantra Santa Accent Tucson Azera Entourage Equus Genesis Genesis Coupe Veloster](https://m.media-amazon.com/images/I/41CoXQDxDHS.jpg)**Gas Cap Fuel Cap For Kia soul sedona Forte Sportage Sorento Spectra Optima Amanti Cadenza Rio & Hyundai Sonata Elantra Santa Accent Tucson Azera Entourage Equus Genesis Genesis Coupe Veloster**ROVIKE**$11.46**4.4★12,057 rev](https://www.amazon.com/dp/B095Y6BK3H) [3![Gas Cap Fuel Cap For Honda Civic Accord Pilot CRV CR-V Odyssey Crosstour Fit Insight HRV HR-V Includ 2013 2014 2015 2016 2017 2018 2019 2020 2007 2008 2009 2010 2011 2012 17670-T3W-A01](https://m.media-amazon.com/images/I/410WMMPo2nS.jpg)**Gas Cap Fuel Cap For Honda Civic Accord Pilot CRV CR-V Odyssey Crosstour Fit Insight HRV HR-V Includ 2013 2014 2015 2016 2017 2018 2019 2020 2007 2008 2009 2010 2011 2012 17670-T3W-A01**ROVIKE**$12.42**4.4★12,057 rev](https://www.amazon.com/dp/B08ZCT4P9H) [4![Gates 31832 OE Equivalent Fuel Tank Cap](https://m.media-amazon.com/images/I/415hn1tK+RL.jpg)**Gates 31832 OE Equivalent Fuel Tank Cap**Gates**$9.41**4.4★3,890 rev](https://www.amazon.com/dp/B000C2SCR4) [5![Gas Cap Fuel Cap For 2003-2018 Jeep Wrangler JK TJ Liberty Patriot Cherokee Compass Commander Grand Cherokee Dodge Ram 1500 2500 Journey Dakota Dart Durango Caravan Chrysler 200 300 Town and Country](https://m.media-amazon.com/images/I/41fk9SBrgXL.jpg)**Gas Cap Fuel Cap For 2003-2018 Jeep Wrangler JK TJ Liberty Patriot Cherokee Compass Commander Grand Cherokee Dodge Ram 1500 2500 Journey Dakota Dart Durango Caravan Chrysler 200 300 Town and Country**ROVIKE**$11.27**4.4★4,896 rev](https://www.amazon.com/dp/B08FSXXWZV)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![KoiLuvGo Car Fuel Tank Cap Fuel Filler Cap Replacement Parts 5C0201550T 5Q0201550L 2.44 Tight Fitting Sealing Leak-Proof Protector Compatible with Volkswagen Audi](https://m.media-amazon.com/images/I/41GIeRcQHtL.jpg)**KoiLuvGo Car Fuel Tank Cap Fuel Filler Cap Replacement Parts 5C0201550T 5Q0201550L 2.44 Tight Fitting Sealing Leak-Proof Protector Compatible with Volkswagen Audi**KoiLuvGo**$8.91**12 rev6mo ago](https://www.amazon.com/dp/B0G1RRLHFR) [![KoiLuvGo Gas Cap Fuel Cap Replacement for Dodge 52030377AB Ram 1500 2500 3500 Caravan Fuel Accessories Jeep Wrangler JK TJ Liberty Grand Cherokee 2003-2020 Gas Tank Cover OEM Fit](https://m.media-amazon.com/images/I/41TkSQf2OPL.jpg)**KoiLuvGo Gas Cap Fuel Cap Replacement for Dodge 52030377AB Ram 1500 2500 3500 Caravan Fuel Accessories Jeep Wrangler JK TJ Liberty Grand Cherokee 2003-2020 Gas Tank Cover OEM Fit**KoiLuvGo**$8.70**5 rev6mo ago](https://www.amazon.com/dp/B0G1RRCW7T) [![Zosgrew 1 PC Fuel Cap Leakproof Tight Fit Gas Tank Cap ABS Sfuel Cap Replacement OEM 17251-1VZ0D 17251-3JA0A Compatible with Nissan Infiniti (Black)](https://m.media-amazon.com/images/I/41-MtUsWDdL.jpg)**Zosgrew 1 PC Fuel Cap Leakproof Tight Fit Gas Tank Cap ABS Sfuel Cap Replacement OEM 17251-1VZ0D 17251-3JA0A Compatible with Nissan Infiniti (Black)**Zosgrew**$9.90**42 rev9mo ago](https://www.amazon.com/dp/B0FP99WN5S) [![Eponcia Locking Gas Cap lock Locking Fuel Cap with Key for 4Runner Chevy Silverado 1500 2500 3500 Nissan GMC Subaru Buick Gas Lock Fuel Tank Caps Cover Replacement with Key 77300-47020 10504](https://m.media-amazon.com/images/I/41hyuw7yuwL.jpg)**Eponcia Locking Gas Cap lock Locking Fuel Cap with Key for 4Runner Chevy Silverado 1500 2500 3500 Nissan GMC Subaru Buick Gas Lock Fuel Tank Caps Cover Replacement with Key 77300-47020 10504**Eponcia**$11.94**151 rev10mo ago](https://www.amazon.com/dp/B0FQC8BX6N) [![Eponcia Gas Cap Fuel Tank Cap OEM for Toyota Scion Tacoma Lexus ES350 GS350 GS460 LX470 4Runner Avalon Camry Corolla Highlander Matrix RAV4 77300-06040 Automotive Replacement Oil Fuel Caps](https://m.media-amazon.com/images/I/41pJ8IGrUGL.jpg)**Eponcia Gas Cap Fuel Tank Cap OEM for Toyota Scion Tacoma Lexus ES350 GS350 GS460 LX470 4Runner Avalon Camry Corolla Highlander Matrix RAV4 77300-06040 Automotive Replacement Oil Fuel Caps**Eponcia**$10.02**63 rev10mo ago](https://www.amazon.com/dp/B0FQHC6RTB)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![LivTee Gas Cap Fuel Cap Fits Toyota Camry 2002-2006 Tacoma 4Runner Highlander Sequoia Tundra Sienna Avalon Corolla Matrix Solara Fits Lexus ES330 2004-2006 ES300 RX330 Car Accessories 77300-33070](https://m.media-amazon.com/images/I/41Lwk61O54L.jpg)**LivTee Gas Cap Fuel Cap Fits Toyota Camry 2002-2006 Tacoma 4Runner Highlander Sequoia Tundra Sienna Avalon Corolla Matrix Solara Fits Lexus ES330 2004-2006 ES300 RX330 Car Accessories 77300-33070**LivTee**$8.93**4.4★**▲ 241%**](https://www.amazon.com/dp/B0FKBRDT79) [![KoiLuvGo Gas Cap Fuel Cap Replacement for Dodge 52030377AB Ram 1500 2500 3500 Caravan Fuel Accessories Jeep Wrangler JK TJ Liberty Grand Cherokee 2003-2020 Gas Tank Cover OEM Fit](https://m.media-amazon.com/images/I/41TkSQf2OPL.jpg)**KoiLuvGo Gas Cap Fuel Cap Replacement for Dodge 52030377AB Ram 1500 2500 3500 Caravan Fuel Accessories Jeep Wrangler JK TJ Liberty Grand Cherokee 2003-2020 Gas Tank Cover OEM Fit**KoiLuvGo**$8.70**3.0★**▲ 206%**](https://www.amazon.com/dp/B0G1RRCW7T) [![Eponcia Locking Gas Cap lock Locking Fuel Cap with Key for 4Runner Chevy Silverado 1500 2500 3500 Nissan GMC Subaru Buick Gas Lock Fuel Tank Caps Cover Replacement with Key 77300-47020 10504](https://m.media-amazon.com/images/I/41hyuw7yuwL.jpg)**Eponcia Locking Gas Cap lock Locking Fuel Cap with Key for 4Runner Chevy Silverado 1500 2500 3500 Nissan GMC Subaru Buick Gas Lock Fuel Tank Caps Cover Replacement with Key 77300-47020 10504**Eponcia**$11.94**3.5★**▲ 187%**](https://www.amazon.com/dp/B0FQC8BX6N) [![KoiLuvGo Car Fuel Tank Cap Fuel Filler Cap Replacement Parts 5C0201550T 5Q0201550L 2.44 Tight Fitting Sealing Leak-Proof Protector Compatible with Volkswagen Audi](https://m.media-amazon.com/images/I/41GIeRcQHtL.jpg)**KoiLuvGo Car Fuel Tank Cap Fuel Filler Cap Replacement Parts 5C0201550T 5Q0201550L 2.44 Tight Fitting Sealing Leak-Proof Protector Compatible with Volkswagen Audi**KoiLuvGo**$8.91**3.3★**▲ 176%**](https://www.amazon.com/dp/B0G1RRLHFR) [![Gas Cap Fuel Cap for 2004-2020 Kia Soul Optima Sorento Spectra Forte Sportage Sedona Rio 2004-2020 Hyundai Elantra Sonata Santa Fe Tucson Azera Accent Ioniq Genesis 31010-3L600U](https://m.media-amazon.com/images/I/41o7mpTkShL.jpg)**Gas Cap Fuel Cap for 2004-2020 Kia Soul Optima Sorento Spectra Forte Sportage Sedona Rio 2004-2020 Hyundai Elantra Sonata Santa Fe Tucson Azera Accent Ioniq Genesis 31010-3L600U**Manymiba**$9.51**4.2★**▲ 157%**](https://www.amazon.com/dp/B0CP96V8XT)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -11.3% search growth over the last 90 days.

25K15K seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

## **Reviews**

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

### **What buyers love **

**Size-Overall**47%

*“Fit like a glove”*

**Quality-Overall**12%

*“Excellent Product”*

**Value For Money**8%

*“Great Value”*

**Advertised Vs Actual Product**8%

*“As advertised”*

**Efficiency**5%

*“Worked Out of the Box”*

**Fuel Efficiency**5%

*“Fuel capacity fits and functions well”*

**Assembly/Installation**5%

*“Less than 5 min install”*

**Leak-Proof**1%

*“works great with no air leaks”*

**Maintenance And Repair**1%

*“It was a good temporary fix”*

**Ease Of Use**1%

*“Simple to use”*

### **What buyers complain about **

**Size-Overall**22%

*“Didn't fit”*

**Compatibility-Overall**18%

*“Works but wouldnt fit the connector”*

**Durability**8%

*“Broke after the first use”*

**Functionality-Overall**8%

*“not functional”*

**Quality-Overall**7%

*“Cord is not great quality”*

**Leak-Proof**6%

*“Immediately leaked”*

**Advertised Vs Actual Product**3%

*“Incorrect description”*

**Value For Money**2%

*“$35 cheaper”*

**Touch/Button Controls**2%

*“this doesn't even do a single click”*

**Ease Of Use**2%

*“Not easy to open”*

### **Top return reasons **

**Size-Overall**56%

**Compatibility-Overall**17%

**Functionality-Overall**8%

**Defective Material/Parts**4%

**Advertised Vs Actual Product**4%

**Leak-Proof**2%

**Value For Money**2%

**Mechanism Issues**1%

**Assembly/Installation**1%

**Product Condition**1%