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Brake Booster

Maybe

The average product has only 32 reviews. But buyers convert on only 1.4% of searches, so Brake Booster is a Maybe.

Flapen Score
58
58 / 100
Top 14% of 7,287 Automotive niches · +9 vs the category median of 49
Market size
$756K/yr478K searches / yr
90-day growth
-1.4%search demand this quarter
Competition
11%top-5 click share · 49 brands · 86 sellers

Flapen Score

Brake Booster against its category

The dotted line is the Automotive average. Past it, Brake Booster is stronger. Inside it, weaker.

58Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Brake Booster market on Amazon at a glance

Shoppers on Amazon United States searched for Brake Booster 478K times last year and spent an estimated $756K. The top 5 brands take 55% of clicks. Flapen scores it 58 out of 100, a Maybe.

01 · Demand

An estimated 1.4% of those searches ended in a purchase.

Shoppers searched for this 478K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.4% of those searches ended in a purchase. Searches in the last 90 days moved -1.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $756K a year.

Searches, last 12 months
478K
Growth, 90 days vs prior 90
-1.4%
Conversion, latest week
1.4%
Market size, estimated
$756Ka year
Peak month
August1.3× the quietest month
Top search term
brake booster286K searches a year

02 · Price

A sale here is worth $117.04.

Listings sell for $117.04 on average, from $8.88 to $415.88. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 0 to 100 of them. At $117.04 that is $0 to $12K a year per listing.

Average price
$117.04above the $15 to $100 sweet spot
Price range
$8.88–$415.88
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
6K–8K
Units per listing a year
0–100
Revenue per listing a year
$0–$12K
Returns
6.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads.

91% of listings pay for placement with sponsored ads. 83% ship with Prime. On an average day, 8.9% of listings are out of stock. The average listing ranks #419 within Brake System. It carries 32 reviews at 4.21 stars, so a new listing needs social proof before a better product.

Sponsored listings
91%
Prime listings
83%
Out of stock, average day
8.9%
Average rank
#419in Brake System
Average rating
4.21 starsAmazon United States average 4.42 stars
Average reviews
32per listing
Listings tracked
218

04 · Newcomers

2 of last year's 39 launches cleared the first-year sales bar.

39 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 45 months on average, so the names here are settling in.

Launched, last 12 months
39
Successful launches
2Amazon's first-year sales bar
Average brand age
45 months

Products

Top Brake Booster 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 only 11% of clicks. An open shelf where new products get seen.

Brands

49 falling

Sellers

86

Top-5 brand share

55%

Top 20: 87%

Top-5 click share

11%

Top 20: 27%

Open market

44%

  • Brand 123%
  • Brand 210%
  • Brand 38%
  • Brand 47%
  • Brand 54%
  • Brand 63%

Demand

Brake Booster search demand

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

10K6KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Brake Booster search terms shoppers use

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

  • brake booster286K/yr
  • power brake booster41K/yr
  • brake booster with master cylinder47K/yr
  • break booster24K/yr
  • brake booster and master cylinder7K/yr
  • automotive replacement power brake systems7K/yr
  • vacuum brake booster5K/yr
  • ford brake booster5K/yr
  • gm brake booster6K/yr
  • chevy brake booster3K/yr

Reviews and returns

What reviews say buyers love and hate about Brake Booster

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

23%of positive reviews mention “Size-Overall”
14%of negative reviews mention “Leak-Proof”
6.1%of orders come back
“Started leaking after being in my truck for less than 600 miles”
A buyer, on “Leak-Proof”14% 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.

19 topics

NegativePositive

FAQ

Common Brake Booster questions

Answered from the same tracked data.