Catalytic Convertor Cleaner
MaybeAn estimated 0.4% of orders come back. But the top 5 brands take 93% of clicks, so Catalytic Convertor Cleaner is a Maybe.
- Flapen Score
- 57 / 100Top 17% of 7,287 Automotive niches · +8 vs the category median of 4957
- Market size
- $1.7M/yr963K searches / yr
- 90-day growth
- -4.3%search demand this quarter
- Competition
- 71%top-5 click share · 10 brands · 88 sellers
Flapen Score
Catalytic Convertor Cleaner against its category
The dotted line is the Automotive average. Past it, Catalytic Convertor Cleaner is stronger. Inside it, weaker.
Market
The Catalytic Convertor Cleaner market on Amazon at a glance
Shoppers on Amazon United States searched for Catalytic Convertor Cleaner 963K times last year and spent an estimated $1.7M. The top 5 brands take 93% of clicks. Flapen scores it 57 out of 100, a Maybe.
01 · Demand
An estimated 6.0% of those searches ended in a purchase.
Shoppers searched for this 963K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.0% of those searches ended in a purchase. Searches in the last 90 days moved -4.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.7M a year.
- Searches, last 12 months
- 963K
- Growth, 90 days vs prior 90
- -4.3%
- Conversion, latest week
- 6.0%
- Market size, estimated
- $1.7Ma year
- Peak month
- March1.2× the quietest month
- Top search term
- catalytic convertor cleaner194K searches a year
02 · Price
A sale here is worth $29.99.
Listings sell for $29.99 on average, from $12.15 to $76.77. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 3,000 to 4,000 of them. At $29.99 that is $90K to $120K a year per listing.
- Average price
- $29.99inside the $15 to $100 sweet spot
- Price range
- $12.15–$76.77
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 60K–80K
- Units per listing a year
- 3,000–4,000
- Revenue per listing a year
- $90K–$120K
- Returns
- 0.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
79% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 4.1% of listings are out of stock. The average listing ranks #30 within Oils & Fluids. It carries 3,765 reviews at 4.32 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 79%
- Prime listings
- 95%
- Out of stock, average day
- 4.1%
- Average rank
- #30in Oils & Fluids
- Average rating
- 4.32 starsAmazon United States average 4.42 stars
- Average reviews
- 3,765per listing
- Listings tracked
- 19
04 · Newcomers
4 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 4 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 73 months on average, so the names here are established.
- Launched, last 12 months
- 5
- Successful launches
- 4Amazon's first-year sales bar
- Average brand age
- 73 months
Products
Top Catalytic Convertor 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 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.
- Price
- $18.25
- Rating
- 4.4/5
- Reviews
- 3,736
- Age
- 4y ago

Cataclean Fuel & Exhaust System Cleaner For Gasoline Engines Pass Emissions Tests Clear Check Engine Lights Restores Catalytic Converters and Cleans Fuel Systems 16oz - Pack of 2 (120019)
- Price
- $46.47
- Rating
- 4.2/5
- Reviews
- 15,538
- Age
- 7y ago

Cataclean Fuel & Exhaust System Cleaner For Gasoline Engines Pass Emissions Tests Clear Check Engine Lights Restores Catalytic Converters and Cleans Fuel Systems 16oz (120007)
- Price
- $27.09
- Rating
- 4.2/5
- Reviews
- 15,538
- Age
- 14y ago

MotorPower Care Catalytic Converter Cleaner 2-Pack Pass Smog & Emissions Test Fix P0420/P0430 Check Engine Light | O2 Sensor & EGR Cleaner | Fuel Additive 8.45 fl oz Each
- Price
- $29.97
- Rating
- 4.2/5
- Reviews
- 889
- Age
- 2y ago

MotorPower Care Catalytic Converter Cleaner Pass Emissions Test & Fix P0420 | Cleans O2 Sensor EGR Valve & Exhaust System | Fuel Additive for Gas & Hybrid Engines 8.45 fl oz
- Price
- $16.91
- Rating
- 4.1/5
- Reviews
- 1,055
- Age
- 8y ago
Trending
estimated 90-day click momentum
Cataclean Diesel Cleans Diesel Particulate Filters (DPF) Injectors Turbochargers EGR Valves & Exhaust Systems Reduces Soot Ash & Carbon Build-Up Improves MPG Power & Emissions 16oz (2 Pack)
- Price
- $46.87
- Rating
- 4.6/5
- Reviews
- 17
- Age
- 3mo ago

Catalytic Converter Cleaner Auto Parts Engine Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil Fuel System Treatment Oil Additive for Gas and Diesel Car Upgraded Solid Particles
- Price
- $17.66
- Rating
- 4.8/5
- Reviews
- 11
- Age
- 1mo ago

EZ PASS Emissions Treatment | Catalytic Converter & O2 Sensor Cleaner | Emissions System Support | Smog Test Prep | 16 Fl oz 2-Pack
- Price
- $37.06
- Rating
- 3.5/5
- Reviews
- 16
- Age
- 4mo ago

Ciirvoe 3Pcs Catalytic Converter Cleaner Kit Boost Up Catalytic Convertor Cleaner Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil Fuel System Treatment Oil Additive
- Price
- $12.15
- Rating
- 4.2/5
- Reviews
- 103
- Age
- 5mo ago

Liqui Moly Jectron Gasoline Fuel Injection Cleaner-2pk
- Price
- $24.02
- Rating
- 4.7/5
- Reviews
- 745
- Age
- 12y ago
Newest
by launch date
Catalytic Converter Cleaner Auto Parts Engine Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil Fuel System Treatment Oil Additive for Gas and Diesel Car Upgraded Solid Particles
- Price
- $17.66
- Rating
- 4.8/5
- Reviews
- 11
- Age
- 1mo ago

Cataclean Diesel Cleans Diesel Particulate Filters (DPF) Injectors Turbochargers EGR Valves & Exhaust Systems Reduces Soot Ash & Carbon Build-Up Improves MPG Power & Emissions 16oz (2 Pack)
- Price
- $46.87
- Rating
- 4.6/5
- Reviews
- 17
- Age
- 3mo ago

EZ PASS Emissions Treatment | Catalytic Converter & O2 Sensor Cleaner | Emissions System Support | Smog Test Prep | 16 Fl oz 2-Pack
- Price
- $37.06
- Rating
- 3.5/5
- Reviews
- 16
- Age
- 4mo ago

Ciirvoe 3Pcs Catalytic Converter Cleaner Kit Boost Up Catalytic Convertor Cleaner Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil Fuel System Treatment Oil Additive
- Price
- $12.15
- Rating
- 4.2/5
- Reviews
- 103
- Age
- 5mo ago

Timeno 3Pcs Catalytic Converter Cleaner Boost Up Catalytic Convertor Cleaner Pipe Carbon Removal Cleaner Treatment Additive Oil Fuel System Treatment Oil Additive for Gas and Diesel Car
- Price
- $13.79
- Rating
- 4.3/5
- Reviews
- 243
- Age
- 10mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 71% of clicks. A locked shelf that new listings rarely crack.
Brands
10 falling
Sellers
88
Est. top-5 brand share
93%
Top 20: 100%
Est. top-5 click share
71%
Top 20: 100%
Open market
6%
- Cataclean44%
- Liqui Moly26%
- MotorPower Care14%
- DURA LUBE6%
- Ciirvoe3%
- EZ PASS2%
- Open — no brand owns it (4 brands, 6%)
Demand
Catalytic Convertor Cleaner search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Catalytic Convertor Cleaner search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- catalytic convertor cleaner194K/yr
- cataclean205K/yr
- catalytic converter cleaner207K/yr
- cataclean catalytic system cleaner96K/yr
- catalytic cleaner62K/yr
- cata clean29K/yr
- liqui moly catalytic system cleaner22K/yr
- limpiador de catalizador21K/yr
- limpiador de catalizador para carro7K/yr
- mz cata clean catalytic cleaner5K/yr
Reviews and returns
What reviews say buyers love and hate about Catalytic Convertor Cleaner
We read the reviews and the return reasons for every product selling here.
“No perceived difference in performance”
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.
16 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 Catalytic Convertor 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









