oxygen sensor cleaner
Skip it50/100a small market ($107K/yr) — oxygen sensor cleaner doesn't clear our bar today.
Market/yr
$107K
Growth (1y)
+219.3%
Products
16
Brands
11
was 12 a year ago
Sellers
138
Price range
$7.99–$46.47
Returns
0.2%
Rating
4.2★
Skip it
Scored 50/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 60 weeks — +219.3% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.Peak months: Jan, Feb, Aug, Oct, Nov, Dec · busiest ÷ quietest = 10.6×
Competition
- CRC27%
- AUTOPROFI22%
- MotorPower Care17%
- Liqui Moly11%
- OXiCAT5%
- EZ PASS4%
- Other (5 brands)14%
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them. 11 brands and 138 sellers compete here.
Brands
11 falling
was 12 a year ago
Sellers
138
Top 5 brand share
82%
AUTOPROFI OXICAT Oxygen Sensor Catalytic Converter & Turbocharger Cleaner for Preventive MaintenanceProduct shelf
All 16 tracked products in this niche.

CRC Guaranteed to Pass Emissions Test Formula 12 Fluid Ounce
CRC
$15.103.9★3,501 reviews

AUTOPROFI OXICAT- Oxygen Sensor & Catalytic Converter Cleaner-Engine Fuel & Exhaust- Pack of 2 FOR PREVENTIVE MAINTENANCE
AUTOPROFI
$33.964.1★385 reviews

Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.
Liqui Moly
$18.254.4★3,736 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

AUTOPROFI OXICAT Oxygen Sensor Catalytic Converter & Turbocharger Cleaner for Preventive Maintenance
AUTOPROFI
$13.184.1★3,013 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

OXiCAT- Oxygen Sensor & Catalytic Converter Cleaner-Engine Fuel & Exhaust- Pack of 2
OXiCAT
$26.614.0★308 reviews

CRC 05110 Mass Air Flow Sensor Cleaner - 11 Wt Oz.
CRC
$12.144.8★5,233 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Worked Beautifully”
“Great product with a great company standing behind their commitment”
“Cleans Well”
“As advertised”
“Great value”
“gets great gas mileage”
“EASY TO USE”
“It worked quickly”
“Follow directions”
“saved me hundreds of dollars in repairs”
What buyers complain about
“No results”
“the price was WAY too high”
“Had a O2 sensor acting strange in my Toyota rav 4”
“it certainly didn't work on my wife's car”
“- Check Engine light came back 1 week after the second bottle went in”
“Didn't work as advertised”
“Damaged and Leaked after the delivered”
“Spray straw crumbled”
“Shop told me they had to replace it”
“or the cat is clogged”
Top return reasons
- Leak-Proof30%
- Functionality-Overall16%
- Value For Money10%
- Advertised Vs Actual Product10%
- Compatibility-Overall9%
- Defective Material/Parts7%
- Size-Overall2%
- Fuel Efficiency2%
- Maintenance And Repair2%
- Instructions/User Manual/Troubleshooting2%






