---
title: "brake sensor — Niche Verdict: Worth a look (52/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/brake-sensor"
last_updated: "2026-07-13T17:33:28.138Z"
locale: en
meta:
  description: "brake sensor shows a thin review moat (46 avg reviews), but a small market ($54K/yr) keeps it on the watch list."
  "og:description": "brake sensor shows a thin review moat (46 avg reviews), but a small market ($54K/yr) keeps it on the watch list."
  "og:title": "brake sensor — Niche Verdict: Worth a look (52/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **brake sensor**

**Worth a look**

Shows a thin review moat (46 avg reviews), but a small market ($54K/yr) keeps it on the watch list.

Market size 14Growth 26Conversion 77Competition 87Returns 27Price range 49Avg price 55Brand share 70Review moat 98Quality gap 58

**Review moat**

**Incredible****46.47**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Great****28%**

top-5 click share — an open shelf

**Conversion**

**Great****7.6%**

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

**Brand share**

**Good****63%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Good****$12.63**

avg listing price — sweet spot $15–$100

**Price range**

**Okay****$5.75–$23.91**

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

**Returns**

**Okay****5.7%**

return rate — above 6% kills the launch gate

**Growth**

**Okay****+1.0%**

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

**Market size**

**Bad****$54K**

$54K/yr · 57K searches

## **Competition**

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

**Brands**

**26 **▼falling

**Sellers**

**56**

**Top-5 brand share**

**63%**

**Open market**

**31%**

- A-Premium29% - HiSport10% - GM GENUINE PARTS9% - ApplianPar8% - HHZL8% - X AUTOHAUX6%

## **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%2%$1K4%$2K6%$3K8%$4K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted

All 85 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![HHZL Brake Sensor Brake Pad Wear Sensor Front and Rear for Mercedes-Benz W211 W220 E350 E500 C300 C350 CL500 CL600 CLK320 Accessories Brakes Pad Alarm Line Replacement 2115401717 2205400617(4PCS)](https://m.media-amazon.com/images/I/41Fc0v4YQHL.jpg)**HHZL Brake Sensor Brake Pad Wear Sensor Front and Rear for Mercedes-Benz W211 W220 E350 E500 C300 C350 CL500 CL600 CLK320 Accessories Brakes Pad Alarm Line Replacement 2115401717 2205400617(4PCS)**HHZL**$8.05**4.5★36 rev](https://www.amazon.com/dp/B0FSRPGLNW) [2![ApplianPar Front and Rear Brake Pad Wear Sensor Set for BMW 325i 328i 330i 335i 128i 135i M3 E81 E87 E82 E88 E90 E91 E92 E93](https://m.media-amazon.com/images/I/31Ny+o3JhdL.jpg)**ApplianPar Front and Rear Brake Pad Wear Sensor Set for BMW 325i 328i 330i 335i 128i 135i M3 E81 E87 E82 E88 E90 E91 E92 E93**ApplianPar**$9.94**4.5★84 rev](https://www.amazon.com/dp/B0DFVJCW9Z) [3![GM Genuine Parts 84693643 Front Disc Brake Pad Wear Sensor](https://m.media-amazon.com/images/I/21avMdvBFaL.jpg)**GM Genuine Parts 84693643 Front Disc Brake Pad Wear Sensor**GM GENUINE PARTS**$16.00**4.6★125 rev](https://www.amazon.com/dp/B08Y66DJVH) [4![A-Premium Front and Rear Disc Brake Pad Wear Sensors Compatible with BMW 528i 535d 535i 550i 640i 650i 528i/535d/535i/550i/640i/650i xDrive Alpina B6 xDrive Gran Coupe ActiveHybrid 5 2-PC Set](https://m.media-amazon.com/images/I/41W2kMPpxqL.jpg)**A-Premium Front and Rear Disc Brake Pad Wear Sensors Compatible with BMW 528i 535d 535i 550i 640i 650i 528i/535d/535i/550i/640i/650i xDrive Alpina B6 xDrive Gran Coupe ActiveHybrid 5 2-PC Set**A-Premium**$14.89**4.5★139 rev](https://www.amazon.com/dp/B09VDGMPWB) [5![SWQS 4PCS Front Rear Brake Pad Wear Sensor for Mercedes-Benz E350 E500 C300 C350 Replacement for OEM 2115401717 2205400617 Fit W211 W220 W204 W203 CLK320 CL500 CL600 Brakes Pad Alarm Line](https://m.media-amazon.com/images/I/41mKH6w95WL.jpg)**SWQS 4PCS Front Rear Brake Pad Wear Sensor for Mercedes-Benz E350 E500 C300 C350 Replacement for OEM 2115401717 2205400617 Fit W211 W220 W204 W203 CLK320 CL500 CL600 Brakes Pad Alarm Line**SWQS**$6.93**4.1★11 rev](https://www.amazon.com/dp/B0G1YGPNNM)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![AurLunUs 4PCS Brake Sensor Brake Pad Wear Sensor Front and Rear Replacement 2115401717 2205400617 Brakes Pad Alarm Line for Mercedes-Benz W211 W220 E350 E500 C300 C350 CL500 CL600 CLK320 Accessories](https://m.media-amazon.com/images/I/415qN4SwP4L.jpg)**AurLunUs 4PCS Brake Sensor Brake Pad Wear Sensor Front and Rear Replacement 2115401717 2205400617 Brakes Pad Alarm Line for Mercedes-Benz W211 W220 E350 E500 C300 C350 CL500 CL600 CLK320 Accessories**AurLunUs**$7.00**1 rev1mo ago](https://www.amazon.com/dp/B0GXC1XTP6) [![CCNU 2PCS Front and Rear Brake Pad Wear Sensor Set Replacement Compatible with BMW 325i 328i 330i 335i 128i 135i M3 E81 E82 E87 E88 E90 E91 E92 E93 Replace 34356789440 34356789445 Brake Sensor Kit](https://m.media-amazon.com/images/I/31aQk0vHWgL.jpg)**CCNU 2PCS Front and Rear Brake Pad Wear Sensor Set Replacement Compatible with BMW 325i 328i 330i 335i 128i 135i M3 E81 E82 E87 E88 E90 E91 E92 E93 Replace 34356789440 34356789445 Brake Sensor Kit**CCNU**$10.76**2 rev2mo ago](https://www.amazon.com/dp/B0GX1MFT6L) [![KoiLuvGo 4-Pack Brake Sensor Brake Pad Wear Sensor Front and Rear Brakes Pad Alarm Line for Mercedes-Benz W211 W220 E350 E500 C300 C350 CL500 CL600 CLK320 Accessories OEM #2115401717 2205400617](https://m.media-amazon.com/images/I/41E5momPltL.jpg)**KoiLuvGo 4-Pack Brake Sensor Brake Pad Wear Sensor Front and Rear Brakes Pad Alarm Line for Mercedes-Benz W211 W220 E350 E500 C300 C350 CL500 CL600 CLK320 Accessories OEM #2115401717 2205400617**KoiLuvGo**$7.42**2 rev3mo ago](https://www.amazon.com/dp/B0GHPF9FH2) [![HAMOJUF 4PCS Car Brake Pad Wear Sensor OEM# 2115401717 2205400617 Vehicle Front and Rear Brake Alarm Line Automotive Replacement Accessories Compatible with W211 W220 E350](https://m.media-amazon.com/images/I/31JW3PlabnL.jpg)**HAMOJUF 4PCS Car Brake Pad Wear Sensor OEM# 2115401717 2205400617 Vehicle Front and Rear Brake Alarm Line Automotive Replacement Accessories Compatible with W211 W220 E350**HAMOJUF**$5.75**0 rev4mo ago](https://www.amazon.com/dp/B0GN2JCZWN) [![4PCS Brake Pad Wear Sensors Front/Rear Brake Sensor Compatible with E350 W211 W220 C300 C350 Sensor Replace# 2115401717 (Black)](https://m.media-amazon.com/images/I/41tc7S3zTKL.jpg)**4PCS Brake Pad Wear Sensors Front/Rear Brake Sensor Compatible with E350 W211 W220 C300 C350 Sensor Replace# 2115401717 (Black)**winterrock**$7.88**2 rev5mo ago](https://www.amazon.com/dp/B0GH6SKD52)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![HiSport Front and Rear Driver and Passenger Brake Pad Wear Sensors 34356792571 34356792568 Compatible with BMW X5 2010-2018 X6 2010-2019](https://m.media-amazon.com/images/I/31uop54-xPL.jpg)**HiSport Front and Rear Driver and Passenger Brake Pad Wear Sensors 34356792571 34356792568 Compatible with BMW X5 2010-2018 X6 2010-2019**HiSport**$16.65**0.0★**▲ 227%**](https://www.amazon.com/dp/B0GF1RLZ8M) [![AurLunUs 4PCS Brake Sensor Brake Pad Wear Sensor Front and Rear Replacement 2115401717 2205400617 Brakes Pad Alarm Line for Mercedes-Benz W211 W220 E350 E500 C300 C350 CL500 CL600 CLK320 Accessories](https://m.media-amazon.com/images/I/415qN4SwP4L.jpg)**AurLunUs 4PCS Brake Sensor Brake Pad Wear Sensor Front and Rear Replacement 2115401717 2205400617 Brakes Pad Alarm Line for Mercedes-Benz W211 W220 E350 E500 C300 C350 CL500 CL600 CLK320 Accessories**AurLunUs**$7.00**1.0★**▲ 226%**](https://www.amazon.com/dp/B0GXC1XTP6) [![HAMOJUF 4PCS Car Brake Pad Wear Sensor OEM# 2115401717 2205400617 Vehicle Front and Rear Brake Alarm Line Automotive Replacement Accessories Compatible with W211 W220 E350](https://m.media-amazon.com/images/I/31JW3PlabnL.jpg)**HAMOJUF 4PCS Car Brake Pad Wear Sensor OEM# 2115401717 2205400617 Vehicle Front and Rear Brake Alarm Line Automotive Replacement Accessories Compatible with W211 W220 E350**HAMOJUF**$5.75**0.0★**▲ 226%**](https://www.amazon.com/dp/B0GN2JCZWN) [![CCNU 2PCS Front and Rear Brake Pad Wear Sensor Set Replacement Compatible with BMW 325i 328i 330i 335i 128i 135i M3 E81 E82 E87 E88 E90 E91 E92 E93 Replace 34356789440 34356789445 Brake Sensor Kit](https://m.media-amazon.com/images/I/31aQk0vHWgL.jpg)**CCNU 2PCS Front and Rear Brake Pad Wear Sensor Set Replacement Compatible with BMW 325i 328i 330i 335i 128i 135i M3 E81 E82 E87 E88 E90 E91 E92 E93 Replace 34356789440 34356789445 Brake Sensor Kit**CCNU**$10.76**5.0★**▲ 225%**](https://www.amazon.com/dp/B0GX1MFT6L) [![Ladison 34356792289 Front Brake Pad Wear Sensor + 34356792292 Rear Brake Pad Wear Sensor Compatible with BMW 228i 320i 328i 330i 335i 2BWS0277 0841949 PWS290 0841950 084-1950](https://m.media-amazon.com/images/I/21NE-hkW4XL.jpg)**Ladison 34356792289 Front Brake Pad Wear Sensor + 34356792292 Rear Brake Pad Wear Sensor Compatible with BMW 228i 320i 328i 330i 335i 2BWS0277 0841949 PWS290 0841950 084-1950**Ladison**$11.83**5.0★**▲ 200%**](https://www.amazon.com/dp/B0FY2SDRD6)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +1.0% search growth over the last 90 days.

2K1KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 1.6×

## **Reviews**

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

### **What buyers love **

**Size-Overall**34%

*“Direct fit”*

**Quality-Overall**19%

*“Great quality, wonderful value, easy to install, plug and play, direct fit, functional”*

**Value For Money**14%

*“Good price”*

**Advertised Vs Actual Product**9%

*“As described”*

**Efficiency**6%

*“Works perfectly”*

**Assembly/Installation**6%

*“Easy install”*

**Socket/Port/Plug**2%

*“It was a simple process, plug and play”*

**Maintenance And Repair**1%

*“worked great for the repair needed”*

**Correct Contents**1%

*“Correct part”*

**Pockets/Compartments**1%

*“Great on the pockets”*

### **What buyers complain about **

**Compatibility-Overall**34%

*“Compatibility issue”*

**Size-Overall**20%

*“Doesnt fit”*

**Sensor**18%

*“the sensor was still bad”*

**Advertised Vs Actual Product**5%

*“not 100% correct as stated”*

**Defective Material/Parts**4%

*“Wrong Part”*

**Quality-Overall**3%

*“Absolute garbage”*

**Durability**3%

*“Lasted only 2 months”*

**Connectivity-Overall**1%

*“Mechanic note, dont connect them to brake pad”*

**Socket/Port/Plug**1%

*“Boot holes to small wrong connectors”*

**Functionality-Overall**1%

*“I started experiencing random malfunctions”*

### **Top return reasons **

**Size-Overall**25%

**Compatibility-Overall**22%

**Sensor**19%

**Defective Material/Parts**8%

**Functionality-Overall**7%

**Advertised Vs Actual Product**6%

**Value For Money**4%

**Socket/Port/Plug**2%

**Connectivity-Overall**2%

**Assembly/Installation**1%