Gasket Sealant
FailPrices span $3.23–$13.48, mostly outside the sweet spot, so Gasket Sealant is a Fail.
- Flapen Score
- 43 / 100Ranks 582 of 811 Automotive niches · −6 vs the category median of 4943
- Market size
- £89K/yr98K searches / yr
- 90-day growth
- +4.0%search demand this quarter
- Competition
- 66%top-5 click share · 11 brands · 56 sellers
Flapen Score
Gasket Sealant against its category
The dotted line is the Automotive average. Past it, Gasket Sealant is stronger. Inside it, weaker.
Market
The Gasket Sealant market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Gasket Sealant 98K times last year and spent an estimated £89K. The top 5 brands take 79% of clicks. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 12.5% of those searches ended in a purchase.
Shoppers searched for this 98K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 12.5% of those searches ended in a purchase. Searches in the last 90 days moved +4.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £89K a year.
- Searches, last 12 months
- 98K
- Growth, 90 days vs prior 90
- +4.0%
- Conversion, latest week
- 12.5%
- Market size, estimated
- £89Ka year
- Peak month
- May1.6× the quietest month
- Top search term
- gasket sealant33K searches a year
02 · Price
A sale here is worth £7.32.
Listings sell for £7.32 on average, from £3.23 to £13.48. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 500 to 750 of them. At £7.32 that is £4K to £5K a year per listing.
- Average price
- £7.32under the $15 to $100 sweet spot
- Price range
- £3.23–£13.48
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 500–750
- Revenue per listing a year
- £4K–£5K
- Returns
- 0.7%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
80% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.4% of listings are out of stock. The average listing ranks #128 within Car & Motorbike Care. It carries 1,498 reviews at 4.57 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 80%
- Prime listings
- 100%
- Out of stock, average day
- 0.4%
- Average rank
- #128in Car & Motorbike Care
- Average rating
- 4.57 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 1,498per listing
- Listings tracked
- 15
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 53 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 53 months
Products
Top Gasket Sealant 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 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Visbella High Temperature RTV Silicone Gasket Maker Sealed Oil Resistant Waterproof Quick Dry Liquid for Bonding Internal Combustion Steam Turbines Automotive Engine Parts 3.7OZ (BLACK)
- Price
- £5.73
- Rating
- 4.6/5
- Reviews
- 525
- Age
- 3y ago

LOCBONDSO High Temperature Silicone Sealant Engine - Antifreeze-resistant Heat-resistant Sealant for Oil Pan & Valve Cover Gasket (RTV 85g)
- Price
- £6.28
- Rating
- 4.5/5
- Reviews
- 58
- Age
- 1y ago

Wynns Black Gasket Maker - Heat & Cold Resistant - Waterproof & Oil Resistant - Ideal for Engine Components & Automotive Applications - 200ml
- Price
- £13.48
- Rating
- 4.7/5
- Reviews
- 574
- Age
- 18y ago

J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.
- Price
- £7.58
- Rating
- 4.6/5
- Reviews
- 7,002
- Age
- 12y ago

RTV Silicone Instant Gasket Maker Grey 45g Tube High Temp 662F Flexible Sealant for Automotive Engine Exhaust and Industrial Repairs Oil & Fluid Resistant Adhesive
- Price
- £3.23
- Rating
- 4.8/5
- Reviews
- 37
- Age
- 1y ago
Trending
estimated 90-day click momentum
Comioke 2PCS High Temperature RTV Silicone Instant Gasket Silicone Engine Repair Gasket Seal Sealant Glue Heat Resistant from -80F to 600F Water Resistance Anti-Freeze Remain Flexible black
- Price
- £5.10
- Rating
- 4.6/5
- Reviews
- 11
- Age
- 10mo ago

J-B Weld 32329 Ultimate Black RTV Silicone Gasket Maker and Sealant 3. Fluid_Ounces
- Price
- £8.40
- Rating
- 4.6/5
- Reviews
- 7,002
- Age
- 12y ago

RTV Silicone Instant Gasket Maker Grey 45g Tube High Temp 662F Flexible Sealant for Automotive Engine Exhaust and Industrial Repairs Oil & Fluid Resistant Adhesive
- Price
- £3.23
- Rating
- 4.8/5
- Reviews
- 37
- Age
- 1y ago

LOCBONDSO High Temperature Silicone Sealant Engine - Antifreeze-resistant Heat-resistant Sealant for Oil Pan & Valve Cover Gasket (RTV 85g)
- Price
- £6.28
- Rating
- 4.5/5
- Reviews
- 58
- Age
- 1y ago

flintronic RTV Engine Sealant 85ml Silicone Gasket Sealant High Temperature Silicone Sealant Oil Water Resistance Anti-Freeze Sealing for Automotive Motorbike Machine Equipment Repairing (Black)
- Price
- £5.71
- Rating
- 4.6/5
- Reviews
- 1,107
- Age
- 1y ago
Newest
by launch date
Comioke 2PCS High Temperature RTV Silicone Instant Gasket Silicone Engine Repair Gasket Seal Sealant Glue Heat Resistant from -80F to 600F Water Resistance Anti-Freeze Remain Flexible black
- Price
- £5.10
- Rating
- 4.6/5
- Reviews
- 11
- Age
- 10mo ago

LOCBONDSO High Temperature Silicone Sealant Engine - Antifreeze-resistant Heat-resistant Sealant for Oil Pan & Valve Cover Gasket (RTV 85g)
- Price
- £6.28
- Rating
- 4.5/5
- Reviews
- 58
- Age
- 1y ago

RTV Silicone Instant Gasket Maker Grey 45g Tube High Temp 662F Flexible Sealant for Automotive Engine Exhaust and Industrial Repairs Oil & Fluid Resistant Adhesive
- Price
- £3.23
- Rating
- 4.8/5
- Reviews
- 37
- Age
- 1y ago

Visbella Gasket Maker Oil Resistant Sensor Safe Neutral RTV Silicone Sealant Non-Corrosive High Flexibility Ideal for Domestic & Older Vehicles 99g (Grey)
- Price
- £5.84
- Rating
- 4.6/5
- Reviews
- 413
- Age
- 1y ago

Realth Silicone Gasket Maker 1 PC 368g Black RTV for Automotive
- Price
- £11.27
- Rating
- 4.4/5
- Reviews
- 1,461
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 66% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 falling
Sellers
56
Est. top-5 brand share
79%
Top 20: 100%
Est. top-5 click share
66%
Top 20: 100%
Open market
13%
- Visbella22%
- LOCBONDSO18%
- J-B Weld15%
- Wynn's13%
- flintronic12%
- TUFROX8%
- Open — no brand owns it (5 brands, 13%)
Demand
Gasket Sealant search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.6×
Search terms
Top Gasket Sealant search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- gasket sealant33K/yr
- rtv gasket sealant11K/yr
- rtv silicone8K/yr
- instant gasket9K/yr
- gasket maker6K/yr
- rtv sealant6K/yr
- rtv4K/yr
- petrol resistant sealant3K/yr
- gasket sealer3K/yr
- sump gasket sealant3K/yr
Reviews and returns
What reviews say buyers love and hate about Gasket Sealant
We read the reviews and the return reasons for every product selling here.
“Difficult to use”
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.
20 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 Gasket Sealant 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









