brake sensor
Worth a lookShows a thin review moat (46 avg reviews), but a small market ($54K/yr) keeps it on the watch list.
Review moat
Incredible46.47avg incumbent reviews — the moat a new listing must climb
Competition
Great28%top-5 click share — an open shelf
Conversion
Great7.6%search→purchase rate — share of searches ending in a sale
Brand share
Good63%top-5 brand share — brands hold most of the demand
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good$12.63avg listing price — sweet spot $15–$100
Price range
Okay$5.75–$23.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay5.7%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.
All 85 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$8.054.5★36 rev
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$9.944.5★84 rev
GM Genuine Parts 84693643 Front Disc Brake Pad Wear Sensor
GM GENUINE PARTS$16.004.6★125 rev
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$14.894.5★139 rev
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$6.934.1★11 rev
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
AurLunUs$7.001 rev
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$10.762 rev
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$7.422 rev
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$5.750 rev
4PCS Brake Pad Wear Sensors Front/Rear Brake Sensor Compatible with E350 W211 W220 C300 C350 Sensor Replace# 2115401717 (Black)
winterrock$7.882 rev
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
HiSport$16.650.0★
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$7.001.0★
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$5.750.0★
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$10.765.0★
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$11.835.0★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +1.0% search growth over the last 90 days.Peak months: Oct · busiest ÷ quietest = 1.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Direct fit”
“Great quality, wonderful value, easy to install, plug and play, direct fit, functional”
“Good price”
“As described”
“Works perfectly”
“Easy install”
“It was a simple process, plug and play”
“worked great for the repair needed”
“Correct part”
“Great on the pockets”
What buyers complain about
“Compatibility issue”
“Doesnt fit”
“the sensor was still bad”
“not 100% correct as stated”
“Wrong Part”
“Absolute garbage”
“Lasted only 2 months”
“Mechanic note, dont connect them to brake pad”
“Boot holes to small wrong connectors”
“I started experiencing random malfunctions”