Vacuum Caps
FailThe top 5 brands take 98% of clicks, so Vacuum Caps is a Fail.
- Flapen Score
- 45 / 100Ranks 4,788 of 7,287 Automotive niches · −4 vs the category median of 4945
- Market size
- $156K/yr102K searches / yr
- 90-day growth
- +20.0%search demand this quarter
- Competition
- 72%top-5 click share · 6 brands · 23 sellers
Flapen Score
Vacuum Caps against its category
The dotted line is the Automotive average. Past it, Vacuum Caps is stronger. Inside it, weaker.
Market
The Vacuum Caps market on Amazon at a glance
Shoppers on Amazon United States searched for Vacuum Caps 102K times last year and spent an estimated $156K. The top 5 brands take 98% of clicks. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 13.2% of those searches ended in a purchase.
Shoppers searched for this 102K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.2% of those searches ended in a purchase. Searches in the last 90 days moved +20.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $156K a year.
- Searches, last 12 months
- 102K
- Growth, 90 days vs prior 90
- +20.0%
- Conversion, latest week
- 13.2%
- Market size, estimated
- $156Ka year
- Peak month
- May1.7× the quietest month
- Top search term
- vacuum caps29K searches a year
02 · Price
A sale here is worth $11.58.
Listings sell for $11.58 on average, from $6.50 to $19.79. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 750 to 1,000 of them. At $11.58 that is $9K to $12K a year per listing.
- Average price
- $11.58under the $15 to $100 sweet spot
- Price range
- $6.50–$19.79
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $9K–$12K
- Returns
- 1.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
87% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #17 within Fuel System. It carries 603 reviews at 4.69 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 87%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #17in Fuel System
- Average rating
- 4.69 starsAmazon United States average 4.42 stars
- Average reviews
- 603per listing
- Listings tracked
- 15
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 46 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 46 months
Products
Top Vacuum Caps products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Sign in to see the products
The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.
Competition
Competition: brands, sellers & click share
The top 5 products take 72% of clicks. A locked shelf that new listings rarely crack.
Brands
6 flat
Sellers
23
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
0%
- Brand 159%
- Brand 229%
- Brand 34%
- Brand 44%
- Brand 52%
- Brand 62%
- Open — no brand owns it (0%)
Demand
Vacuum Caps search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.7×
Search terms
Top Vacuum Caps search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- vacuum caps29K/yr
- vacuum line caps11K/yr
- vacuum caps automotive14K/yr
- rubber vacuum caps7K/yr
- vacuum cap assortment7K/yr
- vacuum plugs automotive7K/yr
- vacuum plugs5K/yr
- vacuum cap5K/yr
- vacuum line plugs5K/yr
- carburetor vacuum caps4K/yr
Reviews and returns
What reviews say buyers love and hate about Vacuum Caps
We read the reviews and the return reasons for every product selling here.
“They are literally falling apart”
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.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Vacuum Caps questions
Answered from the same tracked data.









