Spark Plug Socket Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Spark Plug Socket sales on Amazon US totaled 37,750 units in July 2026 (▼ 7.4% vs. the prior month), generating an estimated $913,406 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 63.6% of unit volume and 72.1% of revenue, while a typical listing is priced at $22.14. The keyword itself pulled 30,372 Amazon queries over the same period (▲ 6.6% MoM).
Zooming out to the 12-month window ending July 2026, the spark plug socket Top 50 moved 434,150 units and $10,290,377 in cumulative sales — an average of 36,179 units and $857,531 per month. Monthly throughput topped out at 55,000 units in November 2025 and dipped to 19,600 in May 2026, leaving the latest reading 25.6% higher than August 2025.
Spark Plug Socket Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
37.8K
▼ 7.4% MoM
Monthly Revenue 2026/07
$913.4K
▼ 15.4% MoM
Top 10 Market Share 2026/07
63.6%
Spark Plug Socket Market Share & Sales Concentration on Amazon US — July 2026
The most-sold spark plug socket listing on Amazon US in July 2026 is ASIN B000AL8VD2 (Brand: Permatex), which sold 6,000 units at $10.49 apiece — equal to 15.9% of every unit tracked in this report.
The Top 10 ASINs account for 24,000 units and $658,130 in July 2026 — 63.6% of unit volume and 72.1% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Spark Plug Socket' on Amazon
July 2026
Is 63.6% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B000AL8VD2
Permatex 22058 Dielectric Tune-Up Grease, 3oz. - High Performance Dielectric Grease Used to Protect Terminals, Spark Plugs, Wiring and Other Electrical Connections Against Salt, Dirt, and Corrosion
6K
▲ 0.0%vs. prior month
$62.9K
latest month
12-month trend
B0D6R543V2
BTAS Dielectric Grease for Electrical Connectors Automotive Spark Plug 1oz | Perfect for Car Batteries Terminal, Spark Plugs, Electronic Sensors,Dielectric Insulation Stops Leakage & Connector Sparking
6K
▲ 50.0%vs. prior month
$53.9K
latest month
12-month trend
B0CNKXHGZT
Craftsman 262-Piece Mechanic Tool Set with 3-Drawer VERSASTACK Box, SAE and Metric Socket Set, Car and Motorcycle Tool Kit with Combination Wrenches and Spark Plug Sockets, 90-Tooth (CMMT45309)
3K
▼ 25.0%vs. prior month
$447K
latest month
12-month trend
B0D7CZP6RM
4-Piece 3/8" Drive Socket Extension Bar Set, Professional Socket Extension Set Include 3, 6, and 10 Inch Extensions and 3/8 Inch drive Universal Joint Sockets, Premium Cr-V Steel Construction
2K
▲ 0.0%vs. prior month
$19.5K
latest month
12-month trend
B0DC5Y2QGS
DURATECH 5/8" Swivel Magnetic Spark Plug Socket with Enhanced Magnetic Head | 1MM Thin Wall Spark Plugs Socket with 12-Point, Manganese Phosphate Coating, 3/8" Drive x 4" Total Length, Cr-V Steel Made
2K
▲ 100.0%vs. prior month
$18K
latest month
12-month trend
B07MH5ZDMD
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)
1K
▲ 0.0%vs. prior month
$15K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Spark Plug Socket Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Permatex is the best-performing spark plug socket brand in July 2026, moving 6,000 units across 1 ASIN for 25.0% of Top 10 volume. BTAS follows with 6,000 units (25.0%), ahead of CRAFTSMAN on 3,000 units (12.5%).
With 9 brands splitting the Top 10 and 62.5% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $8.99 to $249.00, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Permatex
1 ASIN in Top 10
25.0%
Units
6K
Revenue
$62.9K
Avg. price
$10.49
B000AL8VD2
$10.49·★4.8·29.3K revsPermatex 22058 Dielectric Tune-Up Grease, 3oz. - High Performance Dielectric Grease Used to Protect Terminals, Spark Plugs, Wiring and Other Electrical Connections Against Salt, Dirt, and Corrosion
Units sold6K
BTAS
1 ASIN in Top 10
25.0%
Units
6K
Revenue
$53.9K
Avg. price
$8.99
B0D6R543V2
$8.99·★4.8·2.7K revsBTAS Dielectric Grease for Electrical Connectors Automotive Spark Plug 1oz | Perfect for Car Batteries Terminal, Spark Plugs, Electronic Sensors,Dielectric Insulation Stops Leakage & Connector Sparking
Units sold6K
CRAFTSMAN
1 ASIN in Top 10
12.5%
Units
3K
Revenue
$447K
Avg. price
$249.00
B0CNKXHGZT
$249.00·★4.7·1.3K revsCraftsman 262-Piece Mechanic Tool Set with 3-Drawer VERSASTACK Box, SAE and Metric Socket Set, Car and Motorcycle Tool Kit with Combination Wrenches and Spark Plug Sockets, 90-Tooth (CMMT45309)
Units sold3K
Trending Spark Plug Socket Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0DC5V19GN booked 1K units at $9.99, with ▲ 66.7% MoM change. On the growth side, B0CYZKW5QJ leads positive momentum with ▲ 400.0% MoM growth on 500 units, with B0DC5Y2QGS close behind at ▲ 100.0% MoM on 2K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0DC5V19GN
DURATECH 14mm Swivel Magnetic Spark Plug Socket with Enhanced Magnetic Head | 1MM Thin Wall Spark Plugs Socket with 12-Point, Manganese Phosphate Coating, 3/8" Drive x 4" Total Length, Cr-V Steel Made
Price
$9.99
Rating
4.7
Reviews
1.2K
Latest month sales
B0CYZKW5QJ
TecoTek 7 Piece 3/8-Inch Drive Magnetic Swivel Spark Plug Socket Set, Includes 9/16-Inch, 13/16-Inch, 5/8-Inch, 14mm Socket, 6-Point &12-Point, CR-V, Enhanced Magnetic Design with Thin Wall Socket
Price
$29.14
Rating
4.6
Reviews
139
Latest month sales
B0DC5Y2QGS
DURATECH 5/8" Swivel Magnetic Spark Plug Socket with Enhanced Magnetic Head | 1MM Thin Wall Spark Plugs Socket with 12-Point, Manganese Phosphate Coating, 3/8" Drive x 4" Total Length, Cr-V Steel Made
Unlock to view ASIN details and product titles
Price
$9.99
Rating
4.7
Reviews
1.2K
Latest month sales
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