5/8 spark plug socket
Skip itPrices mostly outside the sweet spot ($6.52–$14.44) — this niche doesn't clear our bar today.
Conversion
Incredible13.7%search→purchase rate — share of searches ending in a sale
Returns
Good2.9%return rate — above 6% kills the launch gate
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Growth
Okay+15.3%90-day search growth — must beat 0% to launch
Market size
Okay$213K$213K/yr · 153K searches
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$10.12avg listing price — sweet spot $15–$100
Review moat
Okay3,490avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Price range
Bad$6.52–$14.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
26
Top-5 brand share
76%
Open market
17%
- DURATECH22%
- Salior15%
- BILITOOLS14%
- LEXIVON13%
- WORKPRO12%
- GearWrench7%
- Open — no brand owns it (5 brands, 17%)
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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
DURATECH 5/8 Swivel Magnetic Spark Plug Socket 1MM Thin Wall Spark Plugs Socket with 12-Point Enhanced Magnetic Head & Manganese Phosphate Coating 3/8 Drive x 4 Total Length Cr-V Steel Made
DURATECH$9.234.7★1,009 rev
Salior 5/8 Magnetic Spark Plug Socket 6-Point 3/8 Drive Thin Wall Spark Plug Socket Universal Spark Plug Removal Tool Car Accessories for Most Cars Trucks SUVs (5/8 inch)
Salior$6.524.6★373 rev
LEXIVON 5/8 Swivel Magnetic Spark Plug Socket 3/8 Drive x 10 Total Length | Enhanced Magnetic Design with Thin Wall Socket Cr-v Steel (LX-122)
LEXIVON$14.444.7★19,960 rev
GEARWRENCH 3/8 Drive 6 Pt. 5/8 x 6 Magnetic Swivel Spark Plug Socket - 80546
GearWrench$13.254.8★7,899 rev
BILITOOLS 5/8 Magnetic Spark Plug Socket 3/8 Drive x 6 Swivel Thin Wall Spark Plug Socket CR-V Steel Spark Plug Removal Tool for Cars Motorcycles Lawn Mowers and Small Engines
BILITOOLS$8.204.5★582 rev
Newest
by launch date
ELEAD 5/8 Swivel Magnetic Spark Plug Socket 3/8 Drive x 6 Total Length Thin Wall Spark Plug Removal Tool 360 Degree Swivel Enhanced Magnetic 6-Point Design Cr-V Steel
ELEAD$7.42702 rev
WORKPRO 5/8 Swivel Magnetic Spark Plug Socket 12-Point 1mm Thin Wall 360 Swivel 3/8 Drive x 4 Black Phosphate Finish Anti-Slip Knurled Grip
WORKPRO$9.84118 rev
WORKPRO 5/8 Swivel Magnetic Spark Plug Socket - 12-Point 1mm Thin Wall 360 Swivel 3/8 Drive x 8 Black Phosphate Finish Anti-Slip Knurled Grip
WORKPRO$12.08118 rev
DURATECH 5/8 Swivel Magnetic Spark Plug Socket 1MM Thin Wall Spark Plugs Socket with 12-Point Enhanced Magnetic Head & Manganese Phosphate Coating 3/8 Drive x 4 Total Length Cr-V Steel Made
DURATECH$9.231,009 rev
DURATECH 5/8 Swivel Magnetic Spark Plug Socket 1MM Thin Wall Spark Plugs Socket with 12-Point Enhanced Magnetic Head & Manganese Phosphate Coating 3/8 Drive x 10 Total Length Cr-V Steel Made
DURATECH$13.331,009 rev
Trending
90-day click momentumWORKPRO 5/8 Swivel Magnetic Spark Plug Socket 12-Point 1mm Thin Wall 360 Swivel 3/8 Drive x 4 Black Phosphate Finish Anti-Slip Knurled Grip
WORKPRO$9.844.6★
ELEAD 5/8 Swivel Magnetic Spark Plug Socket 3/8 Drive x 6 Total Length Thin Wall Spark Plug Removal Tool 360 Degree Swivel Enhanced Magnetic 6-Point Design Cr-V Steel
ELEAD$7.424.5★
WORKPRO 5/8 Swivel Magnetic Spark Plug Socket - 12-Point 1mm Thin Wall 360 Swivel 3/8 Drive x 8 Black Phosphate Finish Anti-Slip Knurled Grip
WORKPRO$12.084.6★
BILITOOLS 5/8 Magnetic Spark Plug Socket 3/8 Drive x 6 Swivel Thin Wall Spark Plug Socket CR-V Steel Spark Plug Removal Tool for Cars Motorcycles Lawn Mowers and Small Engines
BILITOOLS$8.204.5★
DURATECH 5/8 Swivel Magnetic Spark Plug Socket 1MM Thin Wall Spark Plugs Socket with 12-Point Enhanced Magnetic Head & Manganese Phosphate Coating 3/8 Drive x 4 Total Length Cr-V Steel Made
DURATECH$9.234.7★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +15.3% search growth over the last 90 days.Peak months: Apr · busiest ÷ quietest = 1.7×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Very nice, good quality tool”
“Good socket”
“magnetic which is very helpful”
“As advertised”
“Ease of use”
“Worth it”
“Worked perfect to remove spark plugs from my bmw”
“Fit perfect”
“Strong hold on the plugs”
“Good to add to the tool box”
What buyers complain about
“Bad Magnet”
“It is too short”
“Low quality”
“Broke after a few uses”
“The magnetic spark plug socket was disappointing”
“it would get stuck on spark plugs”
“Not easy to use”
“Missing rubber grommets”
“The cheap plastic or metal inside stripped out”
“The item I received is not new”