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Updated: 21 May 2026

10 Best Spark Plug Sockets Metric

#1 Best Pick
Bestgle 14mm and 16mm Spark Plug Socket Set, Thin Wall Magnetic Spark Plug Socket 360° Swivel Rotating Joint 3/8" Drive 12 Point Spark Plug Socket Removal Tools for Motorcycles, Cars

Bestgle 14mm and 16mm Spark Plug Socket Set, Thin Wall Magnetic Spark Plug Socket 360° Swivel Rotating Joint 3/8" Drive 12 Point Spark Plug Socket Removal Tools for Motorcycles, Cars

Brand: Bestgle
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  • Unique Design - 3/8" driver 14mm &16mm magnetic rotating spark plug seat adopts a 12-point design, features a unique bump design that enhances grip friction and allows you to remove spark plugs more easily.
  • Quality Material - This spark plug socket set is made of Cr-V steel material, which has super hardness, enhanced durability, avoids wear and tear, and is not easy to age and rust to provide long-term service life.
  • Easy to Use - The 360° swivel head firmly grips the ratchet, and the top holds the spark plug to ensure it is securely held in place during installation and removal without worrying about losing the spark plug.
  • Powerful Magnetic Function - A built-in strong magnet securely holds the spark plug to avoid loss and provide stability during operation. No worry about dropping or misplacing spark plugs.
  • Widely Used in - Automotive repair work, making them essential tools for any car enthusiast or mechanic, compatible with BMW, compatible engines and various MINI models such as R55, R56, R57, R60, etc.
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#2 Best Value
ELEAD 12-Piece 3/8" Drive Spark Plug Socket Set with Ratchet Handle, Universal Joint, Spark Plug Gapper & Extension Bar, 9/16", 5/8", 3/4", 13/16", 14mm, 18mm, CR-V Sockets with Rubber Holding Rings

ELEAD 12-Piece 3/8" Drive Spark Plug Socket Set with Ratchet Handle, Universal Joint, Spark Plug Gapper & Extension Bar, 9/16", 5/8", 3/4", 13/16", 14mm, 18mm, CR-V Sockets with Rubber Holding Rings

Brand: ELEAD
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  • PREMIUM MATERIAL - Crafted from heat-treated chrome vanadium steel, this spark plug socket set offers exceptional durability and a mirror polish finish for corrosion resistance and easy cleanup, perfect for long-lasting use.
  • VERSATILE SIZE RANGE - Includes 6pt spark plug sockets (9/16", 5/8", 3/4", 13/16", 14mm, 18mm), 3/8" drive ratchet handle, spark plug gapper, universal joint, and extension bars (3", 6", 10") to fit various vehicles and small engines.
  • SECURE FIT - The 6-point design of the spark plug sockets provides a snug fit on hex nuts, with rubber holding rings inside each socket to protect spark plugs from damage during removal and installation.
  • ENHANCED ACCESS - Unlock superior flexibility with the included universal joint and multiple extension bars (3", 6", 10"), effortlessly reaching tight and confined spaces—perfect for complex engine work with your spark plug socket set.
  • EASY IDENTIFICATION - High-visibility markings on sockets and a durable storage case with printed sizes allow for quick and easy identification, making this spark plug socket set ideal for efficient repairs.
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#3 Budget Pick
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

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

Brand: TecoTek
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  • ✅【Size Include】6pt spark plug socket 5/8-Inch, 3/4-Inch, 13/16-Inch, 14mm, 18mm, 3/8 Inch drive ratchet handle, spark plug gapper, universal joint, 3", 6" and 10" long extension bar. It's a high quality set for DIY spark plug removal and installs.
  • ✅【Premium CR-V】Constructed of durable, heat treated chrome vanadium steel, these sockets also feature a mirror polish finish . They work great and make removing and installing spark plugs a snap.
  • ✅【6-POINT DESIGN】6-point opening of spark plug sockets snugly fits spark plug hex nuts without slipping. Each socket has a rubber retaining ring inside to keep your spark plug from getting damaged.
  • ✅【High Visibility Markings】The storage case has printed size and all drive tools have stamped markings on sockets for easy identification. Convenient for getting suitable size accessories, saving time and effort.
  • ✅【Service Guarantee】All TecoTek Tools meet or exceed ANSI performance standards. It comes with 1 year quality guarantee. These are a good addition to anyone who likes DIY on mowers, or vehicles,etc.
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#4 Top Choice
CASOMAN 3/8-Inch Drive Spark Plug Socket Set, 6-Point, 5/8-Inch, 3/4-Inch, 13/16-Inch, 14mm, 18mm, 5-Piece Set

CASOMAN 3/8-Inch Drive Spark Plug Socket Set, 6-Point, 5/8-Inch, 3/4-Inch, 13/16-Inch, 14mm, 18mm, 5-Piece Set

Brand: CASOMAN
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  • Manufactured from Heavy-duty Chrome-Vanadium steel alloy (50BV30) with corrosion-resistant mirror chrome finish.
  • Set include 5 Piece 3/8-Inch Drive Spark Plug Socket: 5/8-Inch, 3/4-Inch, 13/16-Inch, 14mm, 18mm.
  • Rubber retaining ring holds plug securely. 6 Point.
  • It comes with a durable blow-molded carrying case for easy transportation, safe storage, and quick organization.
  • Meets or exceeds ANSI performance standards. It comes with 1 year quality warranty.
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#5 Popular Choice
2PCS Spark Plug Socket 16mm and 14mm, Magnetic Universal Spark Plug Socket with Long Handle, 360° Swivel Rotating 3/8" Drive Spark Plug Wrench Tools for Removal Repair Motorcycles, Cars

2PCS Spark Plug Socket 16mm and 14mm, Magnetic Universal Spark Plug Socket with Long Handle, 360° Swivel Rotating 3/8" Drive Spark Plug Wrench Tools for Removal Repair Motorcycles, Cars

Brand: Nocelyn
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  • 【Precise Application】 The Spark Plug Socket with 14 mm and 16 mm sizes ensures accurate handling of 12-point spark plugs, even in confined areas. The integrated spring clip keeps the Spark Plug Socket securely in place during use, preventing slippage and ensuring stable operation.
  • 【Maximum Flexibility】 With its 360-degree rotating sleeve, this Spark Plug Socket allows you to easily access hard-to-reach spark plugs. Ideal for lawn mower maintenance, emergency repairs, or everyday tasks—this flexible Spark Plug Socket is built for versatility.
  • 【Comfortable Design】 Featuring a textured, concave-convex surface for a better grip, the Spark Plug Socket offers improved control and comfort. The built-in magnet ensures your spark plug stays securely in place during both installation and removal with the Spark Plug Socket.
  • 【Superior Durability】 Crafted from chrome vanadium steel, this Spark Plug Socket provides excellent wear resistance and long-term durability. Designed to withstand corrosion and mechanical stress, the Spark Plug Socket is ideal for professional and DIY use alike.
  • 【Wide Compatibility】 This Spark Plug Socket set includes 14 mm and 16 mm sockets that are compatible with various vehicle models such as N54, N55, N20, S55, N63, and more. Make sure to check sizing for your engine to ensure the Spark Plug Socket fits perfectly.
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#6 Top Pick
CASOMAN 3/8-Inch Drive Spark Plug Socket Set, 6-Point, Include Extension Bar, Universal Joint & Spark Plug Gapper, 8Piece Set, CR-V Steel

CASOMAN 3/8-Inch Drive Spark Plug Socket Set, 6-Point, Include Extension Bar, Universal Joint & Spark Plug Gapper, 8Piece Set, CR-V Steel

Brand: CASOMAN
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  • Manufactured from Heavy-duty Chrome-Vanadium steel alloy (50BV30) with mirror polish finish for easy cleanup and laser etched sizes on each socket for easy identification.
  • The 3/8-inch drive socket set include: 5 Piece spark plug socket: 5/8-Inch, 3/4-Inch, 13/16-Inch, 14mm, 18mm; Universal joint; Extension bar: 6-Inch; Spark plug gapper.
  • Rubber retaining ring holds plug securely. 6 Point desgin, thin wall. 6-inch extension bar allow you to reach deep into spark plug wells.
  • The scale range of this spark plug space gauge is from 0.020 to 0.100 inch, and the metric is from 0.6 to 2.4 mm, accurate and easy to read.
  • Meets or exceeds ANSI performance standards. It comes with 1 year quality warranty.
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#7 Top Pick
Neiko 02500A 3/8" Drive Spark Plug Socket Set, 5 Piece, SAE And Metric, Rubber Retaining Inserts, Cr-V Steel, 14mm, 18mm, 9/16, 13/16, 5/8 Spark Plug Socket, Deep Well Socket Set, Spark Plug Tool

Neiko 02500A 3/8" Drive Spark Plug Socket Set, 5 Piece, SAE And Metric, Rubber Retaining Inserts, Cr-V Steel, 14mm, 18mm, 9/16, 13/16, 5/8 Spark Plug Socket, Deep Well Socket Set, Spark Plug Tool

Brand: Neiko
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  • SPARK PLUG SOCKET SET: Heavy duty construction with heat-treated chrome vanadium steel (Cr-V) and mirror chrome finish spark plug tool.
  • RUBBER RETAINING RING: Comes with rubber retaining ring insert that securely holds the spark plug removal which mimics a magnetic socket set without the magnets!
  • DEEP WELL SOCKET SET: Thin wall socket set design allows easy fitment on most cars, trucks, lawn movers, motorcycle, and many other applications.
  • EASY TO READ: Laser etched spark plug tool sizes on each socket for easy identification, even in a dimly lit work site.
  • UNIVERSAL FIT: 3/8 inch Drive SAE Sizes - 9/16, 5/8, 13/16" spark plug socket, 3/8 in. Metric Size 18 mm, 14 mm spark plug socket
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#8 Top Pick
SEDY 7-Piece 3/8''-Drive Spark Plug Socket Set, SAE & Metric Impact Spark Plug Socket Set with Magnetic Rail, 9/16-inch, 5/8-inch, 3/4-inch, 13/16-inch, 14mm, 18mm, Extension Bars,Universal Joint

SEDY 7-Piece 3/8''-Drive Spark Plug Socket Set, SAE & Metric Impact Spark Plug Socket Set with Magnetic Rail, 9/16-inch, 5/8-inch, 3/4-inch, 13/16-inch, 14mm, 18mm, Extension Bars,Universal Joint

Brand: SEDY
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  • CONVENIENT STORAGE - This spark plug socket set comes with a magnetic rail for easy storage and organization. The magnetic tool pack keeps your sockets neatly arranged and readily accessible, making it simple to find the right tool when you need it
  • VERSATILE SIZES - This 7-piece spark plug socket set covers most common SAE and metric sizes, including 14mm, 18mm, 5/8 inch, 3/4 inch, and 13/16 inch, making it perfect for a wide range of automotive applications. The inclusion of a universal joint and 3 inch extension bar ensure easy access to hard-to-reach areas
  • PREMIUM CONSTRUCTION - Crafted from high-quality chrome vanadium steel, this impact spark plug socket set offers unmatched strength for demanding impact operations, ensuring long-lasting reliability
  • PROFESSIONAL DESIGN - The six-point socket design grips fasteners securely, preventing round-off and ensuring a tight fit. The universal joint enables you to tackle various tasks with ease, from tight spaces to awkward angles, enhancing your productivity
  • PROTECTIVE COATING - Each socket features a black phosphate finish, effectively resisting dirt and grime, keeping your tools rust-free and extending their lifespan for consistent performance
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#9 Top Pick
ELEAD 6-Piece 3/8" Drive Spark Plug Socket Set with Spark Plug Gapper, SAE & Metric, 5/8", 3/4", 13/16", 14mm, 18mm, CR-V Sockets with Rubber Holding Rings

ELEAD 6-Piece 3/8" Drive Spark Plug Socket Set with Spark Plug Gapper, SAE & Metric, 5/8", 3/4", 13/16", 14mm, 18mm, CR-V Sockets with Rubber Holding Rings

Brand: ELEAD
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  • PREMIUM CR-V - Built from heat-treated chrome vanadium steel, this spark plug socket set offers exceptional durability and corrosion resistance. The mirror polish finish ensures easy cleanup and a professional appearance.
  • VERSATILE SIZES - Includes 5 spark plug sockets 5/8-Inch, 3/4-Inch, 13/16-Inch, 14mm, 18mm, plus a spark plug gapper. Perfect for DIY spark plug removal and installs, this set provides the essential tools for various automotive tasks.
  • 6-POINT DESIGN – Each socket features a 6-point opening that grips fasteners securely on the flat sides, not the corners. This prevents rounding and ensures maximum torque for removing stubborn spark plugs.
  • PRECISE GAPPING - The scale range of this spark plug space gauge is from 0.020 to 0.100 inch, and the metric is from 0.6 to 2.4 mm, ensuring precise adjustments. This tool makes it easy to set the correct gap for optimal engine performance.
  • EASY IDENTIFICATION - High visibility markings on sockets and the storage case make it simple to find the right size quickly. Save time and effort with this spark plug socket set designed for maximum convenience.
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#10 Top Pick
ELEAD 8-Piece 3/8" Drive Spark Plug Socket Set with Spark Plug Gapper, SAE & Metric, 5/8", 3/4", 13/16", 14mm, 18mm, CR-V Sockets with Rubber Holding Rings

ELEAD 8-Piece 3/8" Drive Spark Plug Socket Set with Spark Plug Gapper, SAE & Metric, 5/8", 3/4", 13/16", 14mm, 18mm, CR-V Sockets with Rubber Holding Rings

Brand: ELEAD
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  • PREMIUM CR-V - Built from heat-treated chrome vanadium steel, this spark plug socket set offers exceptional durability and corrosion resistance. The mirror polish finish ensures easy cleanup and a professional appearance.
  • VERSATILE SIZES - Includes 5 spark plug sockets 5/8-Inch, 3/4-Inch, 13/16-Inch, 14mm, 18mm, plus a spark plug gapper. Perfect for DIY spark plug removal and installs, this set provides the essential tools for various automotive tasks.
  • 6-POINT DESIGN – Each socket features a 6-point opening that grips fasteners securely on the flat sides, not the corners. This prevents rounding and ensures maximum torque for removing stubborn spark plugs.
  • PRECISE GAPPING - The scale range of this spark plug space gauge is from 0.020 to 0.100 inch, and the metric is from 0.6 to 2.4 mm, ensuring precise adjustments. This tool makes it easy to set the correct gap for optimal engine performance.
  • EASY IDENTIFICATION - High visibility markings on sockets and the storage case make it simple to find the right size quickly. Save time and effort with this spark plug socket set designed for maximum convenience.
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