cataclean petrol
Skip itA concentrated shelf (top 5 take 88% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible12.3%search→purchase rate — share of searches ending in a sale
Avg price
Great£17.39avg listing price — sweet spot $15–$100
Price range
Good£2.80–£45.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,476.67avg incumbent reviews — the moat a new listing must climb
Market size
Okay£218K£218K/yr · 102K searches
Growth
Okay+3.1%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Brand share
Bad94%top-5 brand share — brand-locked demand
Competition
Bad88%top-5 click share — a locked-up shelf
According to Flapen's Amazon United Kingdom niche tracking, cataclean petrol is a £218K/yr Amazon United Kingdom market (102K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 46/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
cataclean petrol market data
- Units sold / yr
- 10K–13K
- avg 500–750/product
- Revenue / yr
- £174K–£217K
- units × avg price
- Conversion rate
- 12.3%
- Avg BSR
- #91
- Page quality
- 0%
- Prime
- 67%
- Sponsored
- 67%
- Out of stock
- 6.7%
- Avg brand age
- 77 months
- Avg seller age
- 186 days
Competition & brand share
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 flat
Sellers
37
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
88%
Top 20: 100%
Open market
3%
- Cataclean67%
- Wynn's13%
- STP8%
- Carlube4%
- Redex3%
- DNTHYRIN3%
- Open — no brand owns it (1 brand, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +3.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top cataclean petrol search terms
- cataclean diesel40K/yr
- cataclean petrol39K/yr
- cataclean20K/yr
- cataclean diesel 8 in 13K/yr
Top cataclean petrol products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml
Cataclean£23.534.7★566 rev
Wynns Catalytic Converter & Lambda Sensor Cleaner - Optimises Efficiency Reduces Emissions & Restores Engine Performance - Ideal for Petrol & Hybrid Engines - 325ml
Wynn's£9.174.4★783 rev
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml
Cataclean£24.004.5★145 rev
STP Ultra 5 in 1 Diesel Fuel System Cleaner 400ml Restores Power and Protects your Engine Enhances Fuel Economy Mechanical Car Cleaning Products Concentrated Cleaning Formula Made in the UK
STP£9.684.6★3,775 rev
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 4 x 500ml
Cataclean£45.424.7★17 rev
Newest
by launch date
Catalytic Convertor Cleaner Petrol Catalytic Converter Cleaner - Fuel System Treatment for Diesel & Petrol Engines Emission Maintenance and Injector
DNTHYRIN£8.125 rev
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml
Cataclean£24.00145 rev
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 4 x 500ml
Cataclean£45.4217 rev
Carlube Catalytic Converter Exhaust DPF Cleaner for Petrol and Diesel 500ml
Carlube£12.8636 rev
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml
Cataclean£23.53566 rev
Trending
90-day click momentumCatalytic Convertor Cleaner Petrol Catalytic Converter Cleaner - Fuel System Treatment for Diesel & Petrol Engines Emission Maintenance and Injector
DNTHYRIN£8.125.0★
Carlube Catalytic Converter Exhaust DPF Cleaner for Petrol and Diesel 500ml
Carlube£12.864.3★
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 4 x 500ml
Cataclean£45.424.7★
Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml
Cataclean£23.534.7★
Archoil AR6900-D Max Advanced Diesel Additive Concentrate 1L Treats 1 000L of Fuel Diesel Fuel Injector Cleaner DPF Filter EGR Valve Turbo Cleaner Super Diesel Converter. (1Litre)
Archoil£20.934.6★
What buyers say about cataclean petrol
What buyers praise and complain about, mined from review topics.What buyers love
“Best on the market”
“Works well”
“Excellent price”
“Improves fuel efficiency”
“As advertised”
“Gave the car a good clean out”
“Easy to use”
“My engine was running quite right, so I used Redex and also V-Power and it's running fine now”
“Perfect diesel additive”
“the filter was clear”
What buyers complain about
“Didnt work on my Peugeot 2008”
“The car still failed on emissions”
“it put out the lamba sensor”
“So you may think pricey”
“Turned off fault light on Seat Ibiza 2016”
“I have had consistent problems over the past three years with a clogged filter on my diesel Alfa Guilietta 2.0 which has ended up with the engine shutting down to its restricted speed mode”
“Not so good as advertised”
“as it won't get the bottle nozzle into the fuelling line -”
“Definitely use gloves because it's 100% gonna spill out of that shoddy cap”
“Badly designed bottle”
Top return reasons
Common questions
- Is cataclean petrol profitable to sell on Amazon United Kingdom?
- The niche generates £218K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.1%. Flapen's verdict: Skip it (46/100).
- How competitive is the cataclean petrol niche?
- 7 brands and 37 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in cataclean petrol?
- Top complaints mined from reviews: Compatibility-Overall, Fuel Efficiency, Sensor. The return rate is 0.1%.
- When does demand for cataclean petrol peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the cataclean petrol niche?
- Listings span £2.80–£45.42; the average listing price is £17.39 (sweet spot $15–$100). The average incumbent carries 1,477 reviews — the moat a new listing must climb.