spark plug wrench
Worth a lookShows no brand lock-in (top 5 brands take 46% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Brand share
Great46%top-5 brand share — no brand owns this niche
Avg price
Great$16.92avg listing price — sweet spot $15–$100
Price range
Great$4.80–$50.55cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Conversion
Good6.2%search→purchase rate — share of searches ending in a sale
Returns
Good2.5%return rate — above 6% kills the launch gate
Review moat
Good1,378.39avg incumbent reviews — the moat a new listing must climb
Growth
Okay+20.0%90-day search growth — must beat 0% to launch
Market size
Okay$248K$248K/yr · 237K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
28 falling
Sellers
72
Top-5 brand share
46%
Open market
48%
- GZZTORES16%
- VKVXCLON9%
- TecoTek7%
- ecocstm7%
- Generic7%
- pwkauka6%
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 36 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
GZZTORES Spark Plug Socket Wrench T-Handle 5/8 Inch (16mm) and 13/16 Inch(21mm) Spark Plug Socket Wrench Remover Installer Tool for Motorcycles Lawn mowers and Small Motor Vehicles etc
GZZTORES$7.334.6★405 rev
VKVXCLON Spark Plug Socket Wrench Set - T-Handle Universal 16mm (5/8) & 21mm (13/16) Spark Plug Remover and Installer Tool for Motorcycles Small Motor Vehicles Lawn Mowers
VKVXCLON$7.654.6★312 rev
TecoTek 11-Piece Spark Plug Socket Set with 3/8 Drive Ratchet Handle Spark Plug Gapper Universal Joint and Extension Bar 5/8 3/4 13/16 14mm 18mm CR-V Sockets with Rubber Retaining Rings
TecoTek$24.484.6★512 rev
14mm&16mm Spark Plug Socket Set Thin Wall 3/8 Drive Spark Plug Sockets Removal Tool 12 Point Magnetic Swivel Spark Plugs Socket for Most Car Models
ecocstm$8.764.4★870 rev
pwkauka 3Pcs Spark Plug Socket Wrench Set T-Handle Universal 5/8 & 13/16 Spark Plug Tool Remover and Installer Tool for Motorcycles Lawn Mowers Small Motor Vehicles Car Accessories
pwkauka$5.984.4★205 rev
Newest
by launch date
ELEAD 16-Piece Spark Plug Socket Set 3/8 Drive Swivel Magnetic Spark Plug Removal Tool Kit with Torque Wrench (545 lb-ft) E-Torx & Torx Bit Sockets Extensions & Universal Joint
ELEAD$43.62702 rev
GZZTORES Spark Plug Socket Wrench T-Handle with 14 mm / 16 mm / 21 mm Spark Plug Socket Spark Plug Remover Installer Tool for Motorcycles Lawn mowers and Small Motor Vehicles etc
GZZTORES$10.31405 rev
pwkauka 3Pcs Spark Plug Socket Wrench Set T-Handle Universal 5/8 & 13/16 Spark Plug Tool Remover and Installer Tool for Motorcycles Lawn Mowers Small Motor Vehicles Car Accessories
pwkauka$5.98205 rev
Spark Plug Socket Wrench T-Handle Universal (14mm/16mm/21mm) Spark Plug Socket Spark Plug Remover and Installer Tool for Motorcycles Lawn Mowers and Small Motor Vehicles etc.
Generic$9.1138 rev
CGXYK 4-Size T-Handle Spark Plug Socket Set (14mm/16mm/18mm/21mm) Universal 5/8 & 13/16 Spark Plug Wrench for Small Engine Lawn Mower Motorcycle Car Repair
CGXYK$13.319 rev
Trending
90-day click momentumELEAD 16-Piece Spark Plug Socket Set 3/8 Drive Swivel Magnetic Spark Plug Removal Tool Kit with Torque Wrench (545 lb-ft) E-Torx & Torx Bit Sockets Extensions & Universal Joint
ELEAD$43.624.5★
TEKTON 3/8 Inch Drive x 21 mm Deep 6-Point Socket | SHD13121
TEKTON$7.284.8★
TBESEVENXT 19576S Spark Plug Wrench 8-Inch 5/8 & 13/16 Spark Plugs Removal Tool Compatible with B-riggs S-tratton Engines Replaces 19374S/19374/690966/19576/19576S
TBESEVENXT$8.864.4★
CGXYK 4-Size T-Handle Spark Plug Socket Set (14mm/16mm/18mm/21mm) Universal 5/8 & 13/16 Spark Plug Wrench for Small Engine Lawn Mower Motorcycle Car Repair
CGXYK$13.314.5★
Spark Plug Socket Wrench T-Handle Universal (14mm/16mm/21mm) Spark Plug Socket Spark Plug Remover and Installer Tool for Motorcycles Lawn Mowers and Small Motor Vehicles etc.
Generic$9.114.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +20.0% search growth over the last 90 days.Peak months: May · busiest ÷ quietest = 2.1×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality tool”
“Nice socket”
“exactly as advertised”
“Very handy”
“Reasonable price”
“Fit very well”
“Magnet works great”
“I was able to make it work”
“Strong hold on the plugs”
“didn't break anything”
What buyers complain about
“Weak magnet”
“Horrible quality”
“Bad fit”
“Fell apart”
“wont hold any of the sockets”
“gap tool was not accurate”
“Did not work well for my car”
“Hard to use”
“Rubber Retaining pieces break easily”
“Can able to open because of small grip”