---
title: "o2 sensor plug — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/o2-sensor-plug"
last_updated: "2026-07-14T04:52:31.299Z"
locale: en
meta:
  description: "prices mostly outside the sweet spot ($4.08–$14.03) — o2 sensor plug doesn't clear our bar today."
  "og:description": "prices mostly outside the sweet spot ($4.08–$14.03) — o2 sensor plug doesn't clear our bar today."
  "og:title": "o2 sensor plug — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **o2 sensor plug**

**Skip it**

Prices mostly outside the sweet spot ($4.08–$14.03) — this niche doesn't clear our bar today.

Market size 9Growth 52Conversion 96Competition 24Returns 63Price range 0Avg price 27Brand share 57Review moat 92Quality gap 27

**Conversion**

**Incredible****13.2%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Great****150.78**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Good****2.5%**

return rate — above 6% kills the launch gate

**Brand share**

**Good****71%**

top-5 brand share — brands hold most of the demand

**Growth**

**Good****+23.0%**

90-day search growth — must beat 0% to launch

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Okay****$9.20**

avg listing price — sweet spot $15–$100

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$36K**

$36K/yr · 30K searches

**Price range**

**Bad****$4.08–$14.03**

cheapest to priciest tracked listing — scored on the share inside $15–$100

## **Competition**

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**17 **▲rising

**Sellers**

**23**

**Top-5 brand share**

**71%**

**Open market**

**23%**

- Tanbupu22% - AMAAM21% - CXCCOI10% - HOHNNYREET9% - Sunxeke9% - Metaland6%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$4K20%$7K30%$11K40%$14K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![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](https://m.media-amazon.com/images/I/31ucvYgHtnL.jpg)**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**Tanbupu**$9.94**4.5★111 rev](https://www.amazon.com/dp/B0D8SX6CLV) [2![O2 Oxygen Sensor Plug Standard with Copper Washer M18 x 1.5 - Universal Fit with Inner Hex Head](https://m.media-amazon.com/images/I/31wb1CQI5zL.jpg)**O2 Oxygen Sensor Plug Standard with Copper Washer M18 x 1.5 - Universal Fit with Inner Hex Head**AMAAM**$7.61**4.7★1,003 rev](https://www.amazon.com/dp/B01LDS0YRQ) [3![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)](https://m.media-amazon.com/images/I/41m3K1zfV-L.jpg)**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)**CXCCOI**$7.29**4.6★46 rev](https://www.amazon.com/dp/B0DM8Q32T5) [4![O2 Oxygen Sensor Plug 4 Pcs 304 Stainless Steel M18-1.5 Oxygen Sensor Plugs with Copper O-Ring for Automotive Bike Motocycle](https://m.media-amazon.com/images/I/41NUM4yX48L.jpg)**O2 Oxygen Sensor Plug 4 Pcs 304 Stainless Steel M18-1.5 Oxygen Sensor Plugs with Copper O-Ring for Automotive Bike Motocycle**HOHNNYREET**$13.96**4.8★54 rev](https://www.amazon.com/dp/B0FDQYCM1H) [5![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](https://m.media-amazon.com/images/I/31fAK1kXsvL.jpg)**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**Sunxeke**$6.55**4.6★121 rev](https://www.amazon.com/dp/B0DB1WY1LM)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/41+YDbDtPFL.jpg)**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**Figpade**$6.08**5 rev1y ago](https://www.amazon.com/dp/B0FGV1S6S9) [![O2 Oxygen Sensor Plug 4 Pcs 304 Stainless Steel M18-1.5 Oxygen Sensor Plugs with Copper O-Ring for Automotive Bike Motocycle](https://m.media-amazon.com/images/I/41NUM4yX48L.jpg)**O2 Oxygen Sensor Plug 4 Pcs 304 Stainless Steel M18-1.5 Oxygen Sensor Plugs with Copper O-Ring for Automotive Bike Motocycle**HOHNNYREET**$13.96**54 rev1y ago](https://www.amazon.com/dp/B0FDQYCM1H) [![Olivia & Oliver 304 Stainless Steel Sensor Plug M18x1.5 Universal Fit Inner Hex Head Pipe Fitting Bung Pack of 2](https://m.media-amazon.com/images/I/31AFVUXj2vL.jpg)**Olivia & Oliver 304 Stainless Steel Sensor Plug M18x1.5 Universal Fit Inner Hex Head Pipe Fitting Bung Pack of 2**Olivia & Oliver**$8.86**16 rev1y ago](https://www.amazon.com/dp/B0F7R4683X) [![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](https://m.media-amazon.com/images/I/419cD-EqDpL.jpg)**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**NYTKL**$5.76**20 rev1y ago](https://www.amazon.com/dp/B0F7RT3BLV) [![joytrace M18x1.5 Oxygen Sensor Weld Bungs & Plugs Kit (2 Bungs/2 Plugs) - Stainless Steel Welding Adapters](https://m.media-amazon.com/images/I/41XhHJUdYKL.jpg)**joytrace M18x1.5 Oxygen Sensor Weld Bungs & Plugs Kit (2 Bungs/2 Plugs) - Stainless Steel Welding Adapters**joytrace**$10.08**47 rev1y ago](https://www.amazon.com/dp/B0F2HFZW8T)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![DEEFILL M18*1.5 Stainless Steel Magnetic Oil Drain Plug](https://m.media-amazon.com/images/I/416u5DuxtVL.jpg)**DEEFILL M18*1.5 Stainless Steel Magnetic Oil Drain Plug**DEEFILL**$14.03**4.4★**▲ 139%**](https://www.amazon.com/dp/B09W141PMD) [![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](https://m.media-amazon.com/images/I/41+YDbDtPFL.jpg)**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**Figpade**$6.08**4.7★**▲ 137%**](https://www.amazon.com/dp/B0FGV1S6S9) [![O2 Oxygen Sensor Plug 4 Pcs 304 Stainless Steel M18-1.5 Oxygen Sensor Plugs with Copper O-Ring for Automotive Bike Motocycle](https://m.media-amazon.com/images/I/41NUM4yX48L.jpg)**O2 Oxygen Sensor Plug 4 Pcs 304 Stainless Steel M18-1.5 Oxygen Sensor Plugs with Copper O-Ring for Automotive Bike Motocycle**HOHNNYREET**$13.96**4.8★**▲ 97%**](https://www.amazon.com/dp/B0FDQYCM1H) [![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](https://m.media-amazon.com/images/I/41StcGYr+QL.jpg)**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**AdaptorMount**$8.95**4.7★**▲ 92%**](https://www.amazon.com/dp/B08F4ZDXQW) [![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](https://m.media-amazon.com/images/I/31GJZvaLgBL.jpg)**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**I Little Bamboo**$6.97**4.3★**▲ 74%**](https://www.amazon.com/dp/B0CZ36CM6Y)

**~~View all trending →~~**

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**40%

*“Fits like a glove”*

**Quality-Overall**16%

*“There isn't a single complaint from me”*

**Advertised Vs Actual Product**12%

*“As described”*

**Efficiency**12%

*“It work great”*

**Assembly/Installation**6%

*“Installation was simple”*

**Value For Money**4%

*“Good price”*

**Magnetic Strength/Adsorption**4%

*“Nicely machined, strong magnet & fit 2017 V60”*

**Fuel Efficiency**4%

*“Perfect for my 97 Fatboy with later model exhaust system”*

**Strength**1%

*“Sturdy item”*

### **What buyers complain about **

**Size-Overall**60%

*“Sizing wrong”*

**Defective Material/Parts**10%

*“I had to return this due to a manufacturing defect”*

**Compatibility-Overall**10%

*“Doesnt fit 2019 gsxr750 like it told me its a m12x1.25”*

**Socket/Port/Plug**10%

*“There were no threads on the plug”*

### **Top return reasons **

**Size-Overall**63%

**Sensor**11%

**Advertised Vs Actual Product**6%

**Compatibility-Overall**5%

**Socket/Port/Plug**3%

**Functionality-Overall**3%

**Defective Material/Parts**2%

**Assembly/Installation**1%

**Quality-Overall**1%

**Value For Money**1%