catalytic convertor cleaner
Worth a look57/100catalytic convertor cleaner shows low returns (0.4%), but a concentrated shelf (top 5 take 71% of clicks) keeps it on the watch list.
Market/yr
$1.7M
Growth (1y)
+165.8%
Products
19
Brands
10
was 13 a year ago
Sellers
88
Price range
$12.15–$76.77
Returns
0.4%
Rating
4.3★
Worth a look
Scored 57/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 104 weeks — +165.8% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.No pronounced peak months · busiest ÷ quietest = 1.2×
Competition
- Cataclean44%
- Liqui Moly26%
- MotorPower Care14%
- DURA LUBE6%
- Ciirvoe3%
- EZ PASS2%
- Other (4 brands)6%
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack. 10 brands and 88 sellers compete here.
Brands
10 falling
was 13 a year ago
Sellers
88
Top 5 brand share
93%
Product shelf
All 19 tracked products in this niche.
Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.
Liqui Moly
$18.254.4★3,736 reviews
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)
Cataclean
$46.474.2★15,538 reviews
Cataclean Fuel & Exhaust System Cleaner For Gasoline Engines Pass Emissions Tests Clear Check Engine Lights Restores Catalytic Converters and Cleans Fuel Systems 16oz (120007)
Cataclean
$27.094.2★15,538 reviews
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
MotorPower Care
$29.974.2★889 reviews
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
MotorPower Care
$16.914.1★1,055 reviews
Cataclean (120007-2PK) Fuel and Exhaust System Cleaner - 16 fl. oz. (Pack of 2)
Cataclean
$46.474.3★1,083 reviews
Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive 16 fl. oz. (PN: HL-402409 PDQ3)
DURA LUBE
$18.104.1★6,232 reviews
Cataclean Fuel & Exhaust System Cleaner For Gasoline Engines Pass Emissions Tests Clear Check Engine Lights Restores Catalytic Converters and Cleans Fuel Systems 3L (120018CAT)
Cataclean
$76.774.2★15,538 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Effective”
“Quality Car Product”
“Ease of use”
“gets great gas mileage”
“Keeps everything clean”
“Great value”
“exactly as advertised”
“Try it, it may do the job”
“followed instructions exactly”
“simple enough for routine maintenance use”
What buyers complain about
“No perceived difference in performance”
“It was expensive”
“Didn't work as advertised”
“Damaged and Leaked after the delivered”
“Didn't work for my on my 17 hyundai accent with 90k on it”
“won't fix”
“upstream right O2 sensor output weak”
“Light went off for a tank or 2 and then came back on”
“My gas mileage didn't improve by even a fraction of a mile per gallon”
“see no sign at all of any cleaning being done at all”
Top return reasons
- Leak-Proof23%
- Functionality-Overall18%
- Advertised Vs Actual Product13%
- Value For Money10%
- Compatibility-Overall8%
- Defective Material/Parts6%
- Fuel Efficiency3%
- Maintenance And Repair2%
- Product Condition2%
- Instructions/User Manual/Troubleshooting2%