gas cap
Worth a lookShows 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.
Competition
Great24%top-5 click share — an open shelf
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good$5.38–$40.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$768K$768K/yr · 1.2M searches
Brand share
Good63%top-5 brand share — brands hold most of the demand
Conversion
Good5.6%search→purchase rate — share of searches ending in a sale
Review moat
Good1,378.32avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.1%return rate — above 6% kills the launch gate
Avg price
Okay$11.19avg 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.
All 77 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$11.164.4★12,057 rev
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$11.464.4★12,057 rev
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$12.424.4★12,057 rev
Gates 31832 OE Equivalent Fuel Tank Cap
Gates$9.414.4★3,890 rev
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$11.274.4★4,896 rev
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
KoiLuvGo$8.9112 rev
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$8.705 rev
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$9.9042 rev
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$11.94151 rev
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$10.0263 rev
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
LivTee$8.934.4★
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$8.703.0★
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$11.943.5★
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$8.913.3★
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$9.514.2★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -11.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fit like a glove”
“Excellent Product”
“Great Value”
“As advertised”
“Worked Out of the Box”
“Fuel capacity fits and functions well”
“Less than 5 min install”
“works great with no air leaks”
“It was a good temporary fix”
“Simple to use”
What buyers complain about
“Didn't fit”
“Works but wouldnt fit the connector”
“Broke after the first use”
“not functional”
“Cord is not great quality”
“Immediately leaked”
“Incorrect description”
“$35 cheaper”
“this doesn't even do a single click”
“Not easy to open”