Injector Cleaner
FailThe top 5 brands take 95% of clicks, so Injector Cleaner is a Fail.
- Flapen Score
- 39 / 100Ranks 684 of 811 Automotive niches · −10 vs the category median of 4939
- Market size
- £106K/yr165K searches / yr
- 90-day growth
- -17.0%search demand this quarter
- Competition
- 59%top-5 click share · 7 brands · 70 sellers
Flapen Score
Injector Cleaner against its category
The dotted line is the Automotive average. Past it, Injector Cleaner is stronger. Inside it, weaker.
Market
The Injector Cleaner market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Injector Cleaner 165K times last year and spent an estimated £106K. The top 5 brands take 95% of clicks. Flapen scores it 39 out of 100, a Fail.
01 · Demand
An estimated 5.9% of those searches ended in a purchase.
Shoppers searched for this 165K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 5.9% of those searches ended in a purchase. Searches in the last 90 days moved -17.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £106K a year.
- Searches, last 12 months
- 165K
- Growth, 90 days vs prior 90
- -17.0%
- Conversion, latest week
- 5.9%
- Market size, estimated
- £106Ka year
- Top search term
- liqui moly49K searches a year
02 · Price
A sale here is worth £10.97.
Listings sell for £10.97 on average, from £2.80 to £40.62. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 500 to 750 of them. At £10.97 that is £5K to £8K a year per listing.
- Average price
- £10.97under the $15 to $100 sweet spot
- Price range
- £2.80–£40.62
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 500–750
- Revenue per listing a year
- £5K–£8K
- Returns
- 0.4%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
88% of listings pay for placement with sponsored ads. 88% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #37 within Oils & Fluids. It carries 4,949 reviews at 4.61 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 88%
- Out of stock, average day
- 0.0%
- Average rank
- #37in Oils & Fluids
- Average rating
- 4.61 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 4,949per listing
- Listings tracked
- 16
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 76 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 76 months
Products
Top Injector 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
LIQUI MOLY Injection Cleaner | 300 ml | Petroladititive | SKU: 1803
- Price
- £6.43
- Rating
- 4.7/5
- Reviews
- 3,011
- Age
- 11y ago

LIQUI MOLY Oil Additive | 300 ml | Oil additive | SKU: 2591
- Price
- £4.79
- Rating
- 4.7/5
- Reviews
- 2,737
- Age
- 11y ago

LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1
- Price
- £16.79
- Rating
- 4.7/5
- Reviews
- 34,936
- Age
- 16y ago

WOL Diesel Additive Injector Cleaner Liqui Moly Super Diesel Additive 250ml - Fuel System Cleaner - DPF Cleaner Diesel 1806 - Diesel Particulate Filter Cleaner (3 UNIT)
- Price
- £17.24
- Rating
- 4.6/5
- Reviews
- 116
- Age
- 6y ago

LIQUI MOLY Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2427
- Price
- £8.44
- Rating
- 4.7/5
- Reviews
- 14,367
- Age
- 14y ago
Trending
estimated 90-day click momentum
EVSTUL Fuel Injector Tester and Cleaner Kit 5V 12V Output Power Injector Cleaning Kit with 6 Adapters 8 Pulse Modes 2 Petrol Injectors Test Simultaneously
- Price
- £22.62
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 4mo ago

Carlube QID300 Diesel Injector Cleaner 300ml regular
- Price
- £3.17
- Rating
- 4.4/5
- Reviews
- 221
- Age
- 13y ago

WOL Diesel Additive Injector Cleaner Liqui Moly Diesel Engine Purge 500ml - Fuel System Cleaner DPF Diesel Cleaner 1811 Smooth Engine Running (2 UNIT)
- Price
- £14.87
- Rating
- 4.6/5
- Reviews
- 222
- Age
- 6y ago

Redex Petrol System Cleaner 250ml Petrol Injector Cleaner To Remove Harmful Deposits Maximise Performance & Increase Fuel Economy Fuel Additives For Petrol Engines Suitable For Hybrids
- Price
- £2.80
- Rating
- 4.6/5
- Reviews
- 6,175
- Age
- 17y ago

LIQUI MOLY Diesel Particulate Filter Protector | 250 ml | Diesel additive | SKU: 7180 Gray
- Price
- £6.38
- Rating
- 4.6/5
- Reviews
- 1,388
- Age
- 11y ago
Newest
by launch date
EVSTUL Fuel Injector Tester and Cleaner Kit 5V 12V Output Power Injector Cleaning Kit with 6 Adapters 8 Pulse Modes 2 Petrol Injectors Test Simultaneously
- Price
- £22.62
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 4mo ago

WOL Diesel Additive Injector Cleaner Liqui Moly Super Diesel Additive 250ml - Fuel System Cleaner - DPF Cleaner Diesel 1806 - Diesel Particulate Filter Cleaner (3 UNIT)
- Price
- £17.24
- Rating
- 4.6/5
- Reviews
- 116
- Age
- 6y ago

WOL Diesel Additive Injector Cleaner Liqui Moly Diesel Engine Purge 500ml - Fuel System Cleaner DPF Diesel Cleaner 1811 Smooth Engine Running (2 UNIT)
- Price
- £14.87
- Rating
- 4.6/5
- Reviews
- 222
- Age
- 6y ago

STP Diesel High Milage Injector Cleaner 200 ml Cleans and Protects your Engine for 300 miles Enhances Fuel Economy Mechanical Car Cleaning Products Concentrated Cleaning Formula Made in the UK
- Price
- £4.88
- Rating
- 4.6/5
- Reviews
- 1,524
- Age
- 8y ago

LIQUI MOLY Injection Cleaner | 300 ml | Petroladititive | SKU: 1803
- Price
- £6.43
- Rating
- 4.7/5
- Reviews
- 3,011
- Age
- 11y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 59% of clicks. Leaders hold, but buyers still shop past them.
Brands
7 rising
Sellers
70
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
59%
Top 20: 100%
Open market
1%
- Liqui Moly70%
- WOL WORLD OF LUBRICANT11%
- STP6%
- Redex5%
- Wynn's4%
- Carlube3%
- Open — no brand owns it (1 brand, 1%)
Search terms
Top Injector Cleaner search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- liqui moly49K/yr
- injector cleaner41K/yr
- liquid moly21K/yr
- fuel injector cleaner13K/yr
- liquid molly5K/yr
- liqui moly super diesel additive4K/yr
- liqui moly diesel injector cleaner7K/yr
- injector cleaner petrol5K/yr
- liqui moly diesel5K/yr
- liqui molly3K/yr
Reviews and returns
What reviews say buyers love and hate about Injector Cleaner
We read the reviews and the return reasons for every product selling here.
“Didn't work”
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 Injector 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









