Carb Cleaner
FailPrices span $4.26–$10.44, mostly outside the sweet spot, so Carb Cleaner is a Fail.
- Flapen Score
- 41 / 100Ranks 635 of 811 Automotive niches · −8 vs the category median of 4941
- Market size
- £168K/yr144K searches / yr
- 90-day growth
- +28.8%search demand this quarter
- Competition
- 92%top-5 click share · 6 brands · 78 sellers
Flapen Score
Carb Cleaner against its category
The dotted line is the Automotive average. Past it, Carb Cleaner is stronger. Inside it, weaker.
Market
The Carb Cleaner market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Carb Cleaner 144K times last year and spent an estimated £168K. The top 5 brands take 95% of clicks. Demand peaks in Apr–May. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 16.2% of those searches ended in a purchase.
Shoppers searched for this 144K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 16.2% of those searches ended in a purchase. Searches in the last 90 days moved +28.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £168K a year.
- Searches, last 12 months
- 144K
- Growth, 90 days vs prior 90
- +28.8%
- Conversion, latest week
- 16.2%
- Market size, estimated
- £168Ka year
- Peak month
- May2.8× the quietest month
- Top search term
- carb cleaner59K searches a year
02 · Price
A sale here is worth £7.16.
Listings sell for £7.16 on average, from £4.26 to £10.44. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 2,000 to 2,500 of them. At £7.16 that is £14K to £18K a year per listing.
- Average price
- £7.16under the $15 to $100 sweet spot
- Price range
- £4.26–£10.44
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 2,000–2,500
- Revenue per listing a year
- £14K–£18K
- Returns
- 0.2%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
57% of listings pay for placement with sponsored ads. 71% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #16 within Oils & Fluids. It carries 1,293 reviews at 4.63 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 57%
- Prime listings
- 71%
- Out of stock, average day
- 0.0%
- Average rank
- #16in Oils & Fluids
- Average rating
- 4.63 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 1,293per listing
- Listings tracked
- 7
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 59 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 59 months
Products
Top Carb Cleaner 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 18, 2026. The live listing can differ.
Top sellers
by estimated 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
- Price
- £5.28
- Rating
- 4.6/5
- Reviews
- 3,859
- Age
- 14y ago

Wynns Air Intake & Carburettor Cleaner - Powerful Solvent Formula for Deep Cleaning - Removes Gum Lacquer & Deposits - Strong Jet Spray for Maximum Cleaning - 500ml
- Price
- £6.66
- Rating
- 4.5/5
- Reviews
- 1,984
- Age
- 15y ago

OB41 High Performance Carburettor Cleaner - Maximises Carburettor Performance - Helps Improve Fuel Efficiency - Blend Powerful Cleaning Solvents - 400ml
- Price
- £4.26
- Rating
- 4.6/5
- Reviews
- 330
- Age
- 3y ago

Fastcar 3 x STP Carb Cleaner Spray 500ml
- Price
- £10.44
- Rating
- 4.7/5
- Reviews
- 1,075
- Age
- 10y ago

LIQUI MOLY Carburetor and Valve Cleaner | 300 ml | Petroladititive | SKU: 1818
- Price
- £8.96
- Rating
- 4.6/5
- Reviews
- 1,716
- Age
- 11y ago
Trending
estimated 90-day click momentum
Quinton Hazell Carb Cleaner Spray 600 ml - Removes All Fuel Oil Grease & Gum Deposits From Air Filters & Fuel Injection Systems for Restored Engine Performance
- Price
- £6.72
- Rating
- 5.0/5
- Reviews
- 8
- Age
- 3y ago

Wynns Air Intake & Carburettor Cleaner - Powerful Solvent Formula for Deep Cleaning - Removes Gum Lacquer & Deposits - Strong Jet Spray for Maximum Cleaning - 500ml
- Price
- £6.66
- Rating
- 4.5/5
- Reviews
- 1,984
- Age
- 15y ago

STP Carb Spray Cleaner 500 ml Cleans and Protects Carburettors Linkages and Automatic Chokes Mechanical Car Cleaning Products Made in the UK
- Price
- £5.28
- Rating
- 4.6/5
- Reviews
- 3,859
- Age
- 14y ago

STP Carb Spray Cleaner 500ml 2pk
- Price
- £7.80
- Rating
- 4.4/5
- Reviews
- 82
- Age
- 10y ago

LIQUI MOLY Carburetor and Valve Cleaner | 300 ml | Petroladititive | SKU: 1818
- Price
- £8.96
- Rating
- 4.6/5
- Reviews
- 1,716
- Age
- 11y ago
Newest
by launch date
OB41 High Performance Carburettor Cleaner - Maximises Carburettor Performance - Helps Improve Fuel Efficiency - Blend Powerful Cleaning Solvents - 400ml
- Price
- £4.26
- Rating
- 4.6/5
- Reviews
- 330
- Age
- 3y ago

Quinton Hazell Carb Cleaner Spray 600 ml - Removes All Fuel Oil Grease & Gum Deposits From Air Filters & Fuel Injection Systems for Restored Engine Performance
- Price
- £6.72
- Rating
- 5.0/5
- Reviews
- 8
- Age
- 3y ago

Fastcar 3 x STP Carb Cleaner Spray 500ml
- Price
- £10.44
- Rating
- 4.7/5
- Reviews
- 1,075
- Age
- 10y ago

STP Carb Spray Cleaner 500ml 2pk
- Price
- £7.80
- Rating
- 4.4/5
- Reviews
- 82
- Age
- 10y ago

LIQUI MOLY Carburetor and Valve Cleaner | 300 ml | Petroladititive | SKU: 1818
- Price
- £8.96
- Rating
- 4.6/5
- Reviews
- 1,716
- Age
- 11y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 92% of clicks. A locked shelf that new listings rarely crack.
Brands
6 falling
Sellers
78
Est. top-5 brand share
95%
Top 20: 100%
Est. 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
Carb Cleaner search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May · busiest ÷ quietest = 2.8×
Search terms
Top Carb Cleaner search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 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
Reviews and returns
What reviews say buyers love and hate about Carb Cleaner
We read the reviews and the return reasons for every product selling here.
“Awful or faulty spray mechanism”
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.
18 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 Carb Cleaner 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









