O2 Sensor Plug
FailPrices span $4.08–$14.03, mostly outside the sweet spot, so O2 Sensor Plug is a Fail.
- Flapen Score
- 43 / 100Ranks 5,360 of 7,287 Automotive niches · −6 vs the category median of 4943
- Market size
- $36K/yr30K searches / yr
- 90-day growth
- +23.0%search demand this quarter
- Competition
- 71%top-5 click share · 17 brands · 23 sellers
Flapen Score
O2 Sensor Plug against its category
The dotted line is the Automotive average. Past it, O2 Sensor Plug is stronger. Inside it, weaker.
Market
The O2 Sensor Plug market on Amazon at a glance
Shoppers on Amazon United States searched for O2 Sensor Plug 30K times last year and spent an estimated $36K. The top 5 brands take 71% of clicks. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 13.2% of those searches ended in a purchase.
Shoppers searched for this 30K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.2% of those searches ended in a purchase. Searches in the last 90 days moved +23.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $36K a year.
- Searches, last 12 months
- 30K
- Growth, 90 days vs prior 90
- +23.0%
- Conversion, latest week
- 13.2%
- Market size, estimated
- $36Ka year
- Top search term
- o2 sensor plug12K searches a year
02 · Price
A sale here is worth $9.20.
Listings sell for $9.20 on average, from $4.08 to $14.03. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At $9.20 that is $2K to $5K a year per listing.
- Average price
- $9.20under the $15 to $100 sweet spot
- Price range
- $4.08–$14.03
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $2K–$5K
- Returns
- 2.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
67% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 3.9% of listings are out of stock. The average listing ranks #534 within Sensors. It carries 151 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 67%
- Prime listings
- 100%
- Out of stock, average day
- 3.9%
- Average rank
- #534in Sensors
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 151per listing
- Listings tracked
- 18
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 39 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 39 months
Products
Top O2 Sensor Plug 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 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Tanbupu 2 PACK M18 X 1.5 Universal Fit with 304 Stainless Steel Sensor Plug Inner Hex Head with Red Copper O-Ring for Automotive Car Bike Motocycle ATV UTV and Other Transportatin
- Price
- $9.94
- Rating
- 4.5/5
- Reviews
- 111
- Age
- 2y ago

O2 Oxygen Sensor Plug Standard with Copper Washer M18 x 1.5 - Universal Fit with Inner Hex Head
- Price
- $7.61
- Rating
- 4.7/5
- Reviews
- 1,003
- Age
- 6y ago

2PCS M18x1.5 Sensor Plug Inner Hex Head with Brass O-Ring Stainless Steel Sensor Bung Sealing Exhaust System Universal Car Accessories for Car Truck Motorcycle Exhaust Pipe and Sensor (M18x1.5)
- Price
- $7.29
- Rating
- 4.6/5
- Reviews
- 46
- Age
- 1y ago

O2 Oxygen Sensor Plug 4 Pcs 304 Stainless Steel M18-1.5 Oxygen Sensor Plugs with Copper O-Ring for Automotive Bike Motocycle
- Price
- $13.96
- Rating
- 4.8/5
- Reviews
- 54
- Age
- 1y ago

Sunxeke M18 x 1.5 Sensor Plug Standard with Inner Hex Head 304 Stainless Steel Universal Fit with Red Copper O-Ring for Motorbike Trucks and Motorcycles
- Price
- $6.55
- Rating
- 4.6/5
- Reviews
- 121
- Age
- 1y ago
Trending
estimated 90-day click momentum
DEEFILL M18*1.5 Stainless Steel Magnetic Oil Drain Plug
- Price
- $14.03
- Rating
- 4.4/5
- Reviews
- 525
- Age
- 4y ago

2PCS Sensor Plug with 2PCS O Rings M18 X 1.5 Sensor Bung Plug with Inner Hexagonal Head 304 Stainless Steel Sensors Bypass Plugs Car Accessories for Providing Sealing
- Price
- $6.08
- Rating
- 4.7/5
- Reviews
- 5
- Age
- 1y ago

O2 Oxygen Sensor Plug 4 Pcs 304 Stainless Steel M18-1.5 Oxygen Sensor Plugs with Copper O-Ring for Automotive Bike Motocycle
- Price
- $13.96
- Rating
- 4.8/5
- Reviews
- 54
- Age
- 1y ago

M18 x 1.5 Stainless Steel 316 Threaded Plug Fitting with Copper Washer Slim Round Allen Key Head Metric Thread Sealing Plug for Hydraulic Fluid and Industrial Systems
- Price
- $8.95
- Rating
- 4.7/5
- Reviews
- 324
- Age
- 5y ago

I Little Bamboo M18 X 1.5 Thread O2 Oxygen Sensor Plug with Copper Washer 304 Stainless Steel Universal Inner Hex Head Plug - 1 Pack
- Price
- $6.97
- Rating
- 4.3/5
- Reviews
- 28
- Age
- 2y ago
Newest
by launch date
2PCS Sensor Plug with 2PCS O Rings M18 X 1.5 Sensor Bung Plug with Inner Hexagonal Head 304 Stainless Steel Sensors Bypass Plugs Car Accessories for Providing Sealing
- Price
- $6.08
- Rating
- 4.7/5
- Reviews
- 5
- Age
- 1y ago

O2 Oxygen Sensor Plug 4 Pcs 304 Stainless Steel M18-1.5 Oxygen Sensor Plugs with Copper O-Ring for Automotive Bike Motocycle
- Price
- $13.96
- Rating
- 4.8/5
- Reviews
- 54
- Age
- 1y ago

Olivia & Oliver 304 Stainless Steel Sensor Plug M18x1.5 Universal Fit Inner Hex Head Pipe Fitting Bung Pack of 2
- Price
- $8.86
- Rating
- 4.4/5
- Reviews
- 16
- Age
- 1y ago

NYTKL 2PCS M18 x 1.5 Sensor Plug with Inner Hex Head 304 Stainless Steel Allen Key Slotted Plugs with O-Rings Leakproof O2 Sensor Plug Replacement for Motorbike Truck Motorcycle
- Price
- $5.76
- Rating
- 4.7/5
- Reviews
- 20
- Age
- 1y ago

joytrace M18x1.5 Oxygen Sensor Weld Bungs & Plugs Kit (2 Bungs/2 Plugs) - Stainless Steel Welding Adapters
- Price
- $10.08
- Rating
- 4.8/5
- Reviews
- 47
- Age
- 1y 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
17 rising
Sellers
23
Est. top-5 brand share
71%
Top 20: 100%
Est. top-5 click share
71%
Top 20: 100%
Open market
23%
- Tanbupu22%
- AMAAM21%
- CXCCOI10%
- HOHNNYREET9%
- Sunxeke9%
- Metaland6%
Search terms
Top O2 Sensor Plug search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- o2 sensor plug12K/yr
- m18x1.5 plug6K/yr
- 02 sensor plug3K/yr
- o2 sensor bung plug3K/yr
- m18 x 1.5 plug3K/yr
- oxygen sensor plug3K/yr
Reviews and returns
What reviews say buyers love and hate about O2 Sensor Plug
We read the reviews and the return reasons for every product selling here.
“Sizing wrong”
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.
14 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 O2 Sensor Plug 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









