carb cleaner
Skip itPrices mostly outside the sweet spot ($4.26–$10.44) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Conversion
Incredible16.2%search→purchase rate — share of searches ending in a sale
Growth
Good+28.8%90-day search growth — must beat 0% to launch
Review moat
Good1,293.43avg incumbent reviews — the moat a new listing must climb
Market size
Okay£168K£168K/yr · 144K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Avg price
Bad£7.16avg listing price — sweet spot $15–$100
Brand share
Bad95%top-5 brand share — brand-locked demand
Competition
Bad92%top-5 click share — a locked-up shelf
Price range
Bad£4.26–£10.44cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, carb cleaner is a £168K/yr Amazon United Kingdom market (144K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Apr–May. Verdict: Skip it — 41/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
carb cleaner market data
- Units sold / yr
- 20K–25K
- avg 2,000–2,500/product
- Revenue / yr
- £143K–£179K
- units × avg price
- Conversion rate
- 16.2%
- Avg BSR
- #16
- Page quality
- 0%
- Prime
- 71%
- Sponsored
- 57%
- Out of stock
- 0.0%
- Avg brand age
- 59 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
78
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
92%
Top 20: 100%
Open market
0%
- STP51%
- Wynn's16%
- OB4113%
- Fastcar11%
- Liqui Moly5%
- Quinton Hazell5%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +28.8% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 2.8×
Top carb cleaner search terms
- carb cleaner59K/yr
- carburetor cleaner33K/yr
- carb cleaner spray20K/yr
- carburetor cleaner spray9K/yr
- carburettor cleaner9K/yr
- carbon cleaner7K/yr
- carburettor cleaners4K/yr
- carburettor cleaner spray4K/yr
Top carb cleaner 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 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
STP Carb Spray Cleaner 500 ml Cleans and Protects Carburettors Linkages and Automatic Chokes Mechanical Car Cleaning Products Made in the UK
STP£5.284.6★3,859 rev
Wynns Air Intake & Carburettor Cleaner - Powerful Solvent Formula for Deep Cleaning - Removes Gum Lacquer & Deposits - Strong Jet Spray for Maximum Cleaning - 500ml
Wynn's£6.664.5★1,984 rev
OB41 High Performance Carburettor Cleaner - Maximises Carburettor Performance - Helps Improve Fuel Efficiency - Blend Powerful Cleaning Solvents - 400ml
OB41£4.264.6★330 rev
Fastcar 3 x STP Carb Cleaner Spray 500ml
Fastcar£10.444.7★1,075 rev
LIQUI MOLY Carburetor and Valve Cleaner | 300 ml | Petroladititive | SKU: 1818
Liqui Moly£8.964.6★1,716 rev
Newest
by launch dateOB41 High Performance Carburettor Cleaner - Maximises Carburettor Performance - Helps Improve Fuel Efficiency - Blend Powerful Cleaning Solvents - 400ml
OB41£4.26330 rev
Quinton Hazell Carb Cleaner Spray 600 ml - Removes All Fuel Oil Grease & Gum Deposits From Air Filters & Fuel Injection Systems for Restored Engine Performance
Quinton Hazell£6.728 rev
Fastcar 3 x STP Carb Cleaner Spray 500ml
Fastcar£10.441,075 rev
STP Carb Spray Cleaner 500ml 2pk
STP£7.8082 rev
LIQUI MOLY Carburetor and Valve Cleaner | 300 ml | Petroladititive | SKU: 1818
Liqui Moly£8.961,716 rev
Trending
90-day click momentumQuinton Hazell Carb Cleaner Spray 600 ml - Removes All Fuel Oil Grease & Gum Deposits From Air Filters & Fuel Injection Systems for Restored Engine Performance
Quinton Hazell£6.725.0★
Wynns Air Intake & Carburettor Cleaner - Powerful Solvent Formula for Deep Cleaning - Removes Gum Lacquer & Deposits - Strong Jet Spray for Maximum Cleaning - 500ml
Wynn's£6.664.5★
STP Carb Spray Cleaner 500 ml Cleans and Protects Carburettors Linkages and Automatic Chokes Mechanical Car Cleaning Products Made in the UK
STP£5.284.6★
STP Carb Spray Cleaner 500ml 2pk
STP£7.804.4★
LIQUI MOLY Carburetor and Valve Cleaner | 300 ml | Petroladititive | SKU: 1818
Liqui Moly£8.964.6★
What buyers say about carb cleaner
What buyers praise and complain about, mined from review topics.What buyers love
“Valve cleaner is brilliant”
“Great product”
“fair price”
“As advertised”
“it runs better”
“Easy to use”
“one good spray in the carb”
“Very good material”
“Ideal fit for purpose”
“Durability is super”
What buyers complain about
“Awful or faulty spray mechanism”
“so difficult to open most ended up on the floor”
“waste of money as I had to buy another tin from a shop”
“Waste of money”
“Basically it does not work”
“Top was faulty hard job to get the spray out couldnt return needed it”
“Useless push button”
“Terrible nozzle design”
Top return reasons
Common questions
- Is carb cleaner profitable to sell on Amazon United Kingdom?
- The niche generates £168K/yr across 7 tracked products. 90-day search growth is +28.8%. Flapen's verdict: Skip it (41/100).
- How competitive is the carb cleaner niche?
- 6 brands and 78 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in carb cleaner?
- Top complaints mined from reviews: Spray/Flow, Ease Of Use, Natural Resource Wastage. The return rate is 0.2%.
- When does demand for carb cleaner peak?
- Demand peaks in Apr–May; the busiest month runs 2.8× the quietest.
- What does it cost to enter the carb cleaner niche?
- Listings span £4.26–£10.44; the average listing price is £7.16 (sweet spot $15–$100). The average incumbent carries 1,293 reviews — the moat a new listing must climb.