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Boat Gas Cap

Pass

Boat Gas Cap scores 69 out of 100, a Pass. Shoppers spend an estimated $81K a year here, search demand grew +120.1% this quarter, and an estimated 4.9% of orders come back.

Flapen Score
69
69 / 100
Top 2% of 8,101 Sports & Outdoors niches · +22 vs the category median of 47
Market size
$81K/yr67K searches / yr
90-day growth
+120.1%search demand this quarter
Competition
32%top-5 click share · 36 brands · 139 sellers

Flapen Score

Boat Gas Cap against its category

The dotted line is the Sports & Outdoors average. Past it, Boat Gas Cap is stronger. Inside it, weaker.

69Pass
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Boat Gas Cap market on Amazon at a glance

Shoppers on Amazon United States searched for Boat Gas Cap 67K times last year and spent an estimated $81K. The top 5 brands take 49% of clicks. Demand peaks in May–Jun–Jul–Aug. Flapen scores it 69 out of 100, a Pass.

01 · Demand

An estimated 5.2% of those searches ended in a purchase.

Shoppers searched for this 67K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.2% of those searches ended in a purchase. Searches in the last 90 days moved +120.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $81K a year.

Searches, last 12 months
67K
Growth, 90 days vs prior 90
+120.1%
Conversion, latest week
5.2%
Market size, estimated
$81Ka year
Peak month
July5.1× the quietest month
Top search term
boat gas cap25K searches a year

02 · Price

A sale here is worth $23.24.

Listings sell for $23.24 on average, from $6.87 to $78.74. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 0 to 100 of them. At $23.24 that is $0 to $2K a year per listing.

Average price
$23.24inside the $15 to $100 sweet spot
Price range
$6.87–$78.74
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
3K–3K
Units per listing a year
0–100
Revenue per listing a year
$0–$2K
Returns
4.9%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

74% of listings pay for placement with sponsored ads. 91% ship with Prime. On an average day, 4.0% of listings are out of stock. The average listing ranks #724 within Hardware. It carries 89 reviews at 4.25 stars, so a new listing needs social proof before a better product.

Sponsored listings
74%
Prime listings
91%
Out of stock, average day
4.0%
Average rank
#724in Hardware
Average rating
4.25 starsAmazon United States average 4.42 stars
Average reviews
89per listing
Listings tracked
46

04 · Newcomers

1 of last year's 16 launches cleared the first-year sales bar.

16 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 41 months on average, so the names here are settling in.

Launched, last 12 months
16
Successful launches
1Amazon's first-year sales bar
Average brand age
41 months

Products

Top Boat Gas Cap products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 32% of clicks, no more. An open shelf where new products get seen.

$0$3K$6K$10K$13K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

36 rising

Sellers

139

Est. top-5 brand share

49%

Top 20: 85%

Est. top-5 click share

32%

Top 20: 71%

Open market

48%

  • SEACHOICE19%
  • Perko12%
  • TUELETFU7%
  • Kylazer7%
  • KH8665%
  • Dairrr Fuuu3%

Demand

Boat Gas Cap search demand

Weekly searches over the year, seasonality beneath. Pick a range.

3K2KSpike '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 5.1×

Search terms

Top Boat Gas Cap search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • boat gas cap25K/yr
  • boat fuel cap8K/yr
  • boat gas cap replacement6K/yr
  • pontoon boat gas cap4K/yr
  • marine gas cap5K/yr
  • perko gas cap5K/yr
  • marine gas cap replacement3K/yr
  • vented gas caps for boat3K/yr
  • boat gas tank cap4K/yr
  • gas caps for boats3K/yr

Reviews and returns

What reviews say buyers love and hate about Boat Gas Cap

We read the reviews and the return reasons for every product selling here.

44%of positive reviews mention “Size-Overall”
25%of negative reviews mention “Size-Overall”
4.9%of orders come back
“Super tiny”
A buyer, on “Size-Overall”25% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

16 topics

NegativePositive

FAQ

Common Boat Gas Cap questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data