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Head Gasket Sealer

Fail

The top 5 products take 86% of clicks, so Head Gasket Sealer is a Fail.

Flapen Score
48
48 / 100
Ranks 415 of 811 Automotive niches · −1 vs the category median of 49
Market size
£127K/yr52K searches / yr
90-day growth
-15.7%search demand this quarter
Competition
86%top-5 click share · 7 brands · 48 sellers

Flapen Score

Head Gasket Sealer against its category

The dotted line is the Automotive average. Past it, Head Gasket Sealer is stronger. Inside it, weaker.

48Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Head Gasket Sealer market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Head Gasket Sealer 52K times last year and spent an estimated £127K. The top 5 brands take 94% of clicks. Demand peaks in Jan. Flapen scores it 48 out of 100, a Fail.

01 · Demand

An estimated 11.4% of those searches ended in a purchase.

Shoppers searched for this 52K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 11.4% of those searches ended in a purchase. Searches in the last 90 days moved -15.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £127K a year.

Searches, last 12 months
52K
Growth, 90 days vs prior 90
-15.7%
Conversion, latest week
11.4%
Market size, estimated
£127Ka year
Peak month
January1.5× the quietest month
Top search term
steel seal17K searches a year

02 · Price

A sale here is worth £21.27.

Listings sell for £21.27 on average, from £6.23 to £32.47. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 500 to 750 of them. At £21.27 that is £11K to £16K a year per listing.

Average price
£21.27inside the $15 to $100 sweet spot
Price range
£6.23–£32.47
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
4K–5K
Units per listing a year
500–750
Revenue per listing a year
£11K–£16K
Returns
1.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

33% of listings pay for placement with sponsored ads. 89% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #1,078 within Car & Motorbike Care. It carries 2,239 reviews at 3.98 stars, so a new listing needs social proof before a better product.

Sponsored listings
33%
Prime listings
89%
Out of stock, average day
0.0%
Average rank
#1,078in Car & Motorbike Care
Average rating
3.98 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,239per listing
Listings tracked
9

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 65 months on average, so the names here are established.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
65 months

Products

Top Head Gasket Sealer 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 86% of clicks. A locked shelf that new listings rarely crack.

Brands

7 rising

Sellers

48

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

3%

  • Brand 169%
  • Brand 28%
  • Brand 38%
  • Brand 44%
  • Brand 54%
  • Brand 63%
  • Open — no brand owns it (1 brand, 3%)

Demand

Head Gasket Sealer search demand

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

2K1KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.5×

Search terms

Top Head Gasket Sealer search terms shoppers use

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

  • steel seal17K/yr
  • head gasket sealer16K/yr
  • steel seal head gasket repair11K/yr
  • head gasket sealant4K/yr
  • head gasket repair5K/yr

Reviews and returns

What reviews say buyers love and hate about Head Gasket Sealer

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

19%of positive reviews mention “Advertised Vs Actual Product”
36%of negative reviews mention “Functionality-Overall”
1.0%of orders come back
“Did not do the job”
A buyer, on “Functionality-Overall”36% 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.

17 topics

NegativePositive

FAQ

Common Head Gasket Sealer questions

Answered from the same tracked data.