Oxygen Sensor Cleaner
MaybeAn estimated 0.2% of orders come back. But demand is soft, at -0.5% this quarter, so Oxygen Sensor Cleaner is a Maybe.
- Flapen Score
- 50 / 100Top 44% of 7,287 Automotive niches · +1 vs the category median of 4950
- Market size
- $107K/yr94K searches / yr
- 90-day growth
- -0.5%search demand this quarter
- Competition
- 65%top-5 click share · 11 brands · 138 sellers
Flapen Score
Oxygen Sensor Cleaner against its category
The dotted line is the Automotive average. Past it, Oxygen Sensor Cleaner is stronger. Inside it, weaker.
Market
The Oxygen Sensor Cleaner market on Amazon at a glance
Shoppers on Amazon United States searched for Oxygen Sensor Cleaner 94K times last year and spent an estimated $107K. The top 5 brands take 82% of clicks. Demand peaks in Jan–Feb–Aug–Oct–Nov–Dec. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 5.1% of those searches ended in a purchase.
Shoppers searched for this 94K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.1% of those searches ended in a purchase. Searches in the last 90 days moved -0.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $107K a year.
- Searches, last 12 months
- 94K
- Growth, 90 days vs prior 90
- -0.5%
- Conversion, latest week
- 5.1%
- Market size, estimated
- $107Ka year
- Peak month
- February10.6× the quietest month
- Top search term
- o2 sensor cleaner19K searches a year
02 · Price
A sale here is worth $22.49.
Listings sell for $22.49 on average, from $7.99 to $46.47. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 250 to 500 of them. At $22.49 that is $6K to $11K a year per listing.
- Average price
- $22.49inside the $15 to $100 sweet spot
- Price range
- $7.99–$46.47
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 5K–6K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $6K–$11K
- Returns
- 0.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
69% of listings pay for placement with sponsored ads. 94% ship with Prime. On an average day, 11.2% of listings are out of stock. The average listing ranks #23 within Oils & Fluids. It carries 4,913 reviews at 4.21 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 69%
- Prime listings
- 94%
- Out of stock, average day
- 11.2%
- Average rank
- #23in Oils & Fluids
- Average rating
- 4.21 starsAmazon United States average 4.42 stars
- Average reviews
- 4,913per listing
- Listings tracked
- 16
04 · Newcomers
1 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 70 months on average, so the names here are established.
- Launched, last 12 months
- 2
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 70 months
Products
Top Oxygen Sensor 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
CRC Guaranteed to Pass Emissions Test Formula 12 Fluid Ounce
- Price
- $15.10
- Rating
- 3.9/5
- Reviews
- 3,501
- Age
- 20y ago

AUTOPROFI OXICAT- Oxygen Sensor & Catalytic Converter Cleaner-Engine Fuel & Exhaust- Pack of 2 FOR PREVENTIVE MAINTENANCE
- Price
- $33.96
- Rating
- 4.1/5
- Reviews
- 385
- Age
- 3y ago

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

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

AUTOPROFI OXICAT Oxygen Sensor Catalytic Converter & Turbocharger Cleaner for Preventive Maintenance
- Price
- $13.18
- Rating
- 4.1/5
- Reviews
- 3,013
- Age
- 9y ago
Trending
estimated 90-day click momentum
EZ PASS Emissions Treatment | Catalytic Converter & O2 Sensor Cleaner | Emissions System Support | Smog Test Prep | 16 Fl oz
- Price
- $23.22
- Rating
- 3.5/5
- Reviews
- 16
- 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

Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce- Fuel Injector Cleaner and Carburetor Cleaner for Corrosion Prevention and Injector Valve and Combustion Chamber Deposit Removal
- Price
- $16.17
- Rating
- 4.8/5
- Reviews
- 9,645
- Age
- 17y ago

OXiCAT- Oxygen Sensor & Catalytic Converter Cleaner-Engine Fuel & Exhaust- Pack of 2
- Price
- $26.61
- Rating
- 4.0/5
- Reviews
- 308
- Age
- 6y 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
Newest
by launch date
EZ PASS Emissions Treatment | Catalytic Converter & O2 Sensor Cleaner | Emissions System Support | Smog Test Prep | 16 Fl oz
- Price
- $23.22
- Rating
- 3.5/5
- Reviews
- 16
- 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

Gumout 540041 Professional Formula Mass Air Flow Sensor Cleaner Spray 11 oz Safely Cleans Delicate MAF Sensors to Improve Engine Performance Restore Power Reduce Hesitation and Boost Fuel Economy
- Price
- $11.43
- Rating
- 4.7/5
- Reviews
- 795
- Age
- 2y 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

AUTOPROFI OXICAT- Oxygen Sensor & Catalytic Converter Cleaner-Engine Fuel & Exhaust- Pack of 2 FOR PREVENTIVE MAINTENANCE
- Price
- $33.96
- Rating
- 4.1/5
- Reviews
- 385
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 65% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 falling
Sellers
138
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
65%
Top 20: 100%
Open market
14%
- CRC27%
- AUTOPROFI22%
- MotorPower Care17%
- Liqui Moly11%
- OXiCAT5%
- EZ PASS4%
- Open — no brand owns it (5 brands, 14%)
Demand
Oxygen Sensor Cleaner search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Aug, Oct, Nov, Dec · busiest ÷ quietest = 10.6×
Search terms
Top Oxygen Sensor Cleaner search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- o2 sensor cleaner19K/yr
- oxygen sensor cleaner17K/yr
- emissions system cleaner11K/yr
- oxicat catalytic cleaner9K/yr
- crc emissions system cleaner6K/yr
- oxicat5K/yr
- crc guaranteed to pass emissions5K/yr
- limpiador de sensor de oxgeno7K/yr
- guaranteed to pass emissions5K/yr
- 02 sensor cleaner4K/yr
Reviews and returns
What reviews say buyers love and hate about Oxygen Sensor Cleaner
We read the reviews and the return reasons for every product selling here.
“No results”
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 Oxygen Sensor 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









