Gasket Sealant
prices mostly outside the sweet spot ($3.23–$13.48) — Gasket Sealant doesn't clear our bar today.
Flapen Score
Ranks 582 of 811 Automotive niches · −6 vs the category median of 49
Is Gasket Sealant profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Gasket Sealant is a £89K/yr Amazon United Kingdom market (98K searches/yr). The top 5 brands hold 79% of demand. Verdict: Skip it — 43/100.
Gasket Sealant: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved +4.0% over the last 90 days and 12.5% of searches end in a purchase.
£89K
revenue / yr
Who owns the niche?
The top 5 brands hold 79% of demand, so 21% of the market is open.
21%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.
0/100
page quality · 15 products
Top Gasket Sealant products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 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
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 dateComioke 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: brands, sellers & click share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.
Brands
11 falling
Sellers
56
Top-5 brand share
79%
Top 20: 100%
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%)
Gasket Sealant demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.6×
Top Gasket Sealant search terms shoppers use
The exact queries shoppers type, with 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
What reviews say buyers love and hate about Gasket Sealant
What buyers mention most, as a share of all reviews.
What buyers love
94% of reviews“Great product, as described, arrived on time”
“Works well as usual”
“Reasonable price paid for this”
“No leakage”
“Easy to use”
What buyers complain about
82% of reviews“Difficult to use”
“Poor quality”
“came with minimal to no direction of use”
“wasted a significant amount of product”
“wasted a significant amount of product”
Gasket Sealant return rate & reasons
Why buyers send it back, as a share of all return requests.
0.7%
Return rate
14%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Gasket Sealant questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
