Best Spark Plug Sockets of 2025

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Spark plug sockets are an essential tool for any mechanic or DIY enthusiast who performs regular maintenance on their vehicle. These sockets are designed to fit over the spark plug, allowing for easy removal and installation. Most spark plug sockets feature a rubber insert to grip the plug securely and prevent damage to the porcelain insulator. They are available in a variety of sizes to fit different spark plug types and come in both standard and deep lengths. Some spark plug sockets even have built-in magnets to hold the plug in place during installation. Investing in a high-quality spark plug socket can make a world of difference in the ease and efficiency of spark plug maintenance.
At a Glance: Our Top Picks
Top 10 Spark Plug Sockets
CASOMAN Spark Plug Socket Set
The CASOMAN Spark Plug Socket Set includes 5 pieces of 3/8-Inch drive spark plug socket with 6-point, which are made of heavy-duty chrome-vanadium steel alloy with corrosion-resistant mirror chrome finish. A rubber retaining ring holds plug securely. It comes with a durable blow-molded carrying case for easy storage and transportation. The set meets or exceeds ANSI performance standards and comes with a 1-year quality warranty.
Powerbuilt 3/8-Inch Drive Spark Plug Socket Set
The Powerbuilt 3/8-Inch Drive Spark Plug Socket Set includes 5 sockets in both metric and SAE sizes. The 6 point deep well thin wall mirror polished chrome vanadium socket has dual grease rings, and the rubber retaining ring holds the plug securely. It meets or exceeds ANSI standards and comes with a lifetime warranty.
CRAFTSMAN Socket Set for Spark Plugs
The CRAFTSMAN 3/8 in. Drive Metric and SAE 6 Point Standard Spark Plug Socket Set, 4 Piece Set (CMMT34504) is a versatile addition to your toolbox. It includes easy-to-read markings and compatible sizes for numerous lawn mowers, leaf blowers, weed trimmers, motorcycles, cars and pickup trucks. The markings help with stress-free use in dimly lit and dirty garages and work sites.
MIXPOWER 5-Piece Spark Plug Socket Set
The MIXPOWER 3/8-Inch Drive Spark Plug Socket Set includes 5 pieces of premium CR-V steel sockets with a mirror chrome finish. The set contains 5/8-Inch, 3/4-Inch, 13/16-Inch, 14mm, and 18mm sockets. The tapered 6-point opening socket grips the flat sides of fastener head, not corners, to prevent round-off. The rubber retaining ring holds the plug securely, and the high visibility markings ensure you can find them easily. All MIXPOWER Tools meet or exceed ANSI performance standards, and it comes with a 1-year quality guarantee.
MIXPOWER Swivel Spark Plug Socket Set
MIXPOWER Socket Set is a versatile tool set made from premium CR-V steel, offering high-torque performance with its 12-point design. The set includes 6 magnetic spark plug sockets in various sizes, all housed in a durable storage case. The 360-degree swivel feature allows easy access to tight areas, while the magnetic core ensures spark plug retention and protection. This socket set is ideal for maximizing torque, providing access in hard-to-reach spots, and safeguarding spark plugs effectively.
DURATECH 3/8-inch Drive Spark Plug Socket Set
The DURATECH 3/8-inch Drive Spark Plug Socket Set includes 5 pieces of sockets that are made of durable heat-treated Chrome Vanadium Steel with a corrosion-resistant mirror chrome finish. The 6-point socket design prevents round-off, while the 12-point design of the 14mm socket enhances gripping power and fit. The precision rubber retaining ring ensures easy installation and removal. The set comes in a durable blow-molded carrying case for easy transportation and storage. This socket set is perfect for most applications and offers reliable durability and precision.
Sunex 8844 Universal Spark Plug Socket Set
The Sunex 8844 Universal Spark Plug Socket Set includes all four sizes of spark plug sockets in one convenient set. Made of fully polished chrome vanadium alloy steel, these sockets are durable and have a universal joint design that allows for easy access in confined areas. Rubber inserts hold the spark plug securely during installation and removal. The set includes SAE inches-9/16-Inch, 5/8-Inch, 3/4-Inch, 13/16-Inch. Ideal for professional mechanics and DIYers alike.
Performance Tool Extra Long Spark Plug Socket
This Performance Tool Extra Long Spark Plug Socket has a 3/8" Dr 5/8" size, perfect for spark plug and ignition tools. The socket openings are designed to minimize fastener rounding, while the chrome vanadium alloy steel construction and polished nickel chrome plated finish provide strength and durability, as well as corrosion resistance. The large stamping makes for quick identification.
Performance Tool W30936 5 Piece Spark Plug Socket Set
The Performance Tool Spark Plug Socket Set is a must-have for any DIY mechanic or professional. This 5-piece set is designed to make your life easier when it comes to changing spark plugs. The socket openings are specially designed to reduce fastener rounding, ensuring a secure fit every time. Made from chrome vanadium alloy steel, these sockets are built to last and provide the strength and durability you need for any job. The polished nickel chrome plated finish not only adds a touch of style, but also helps resist corrosion. With large stamping for quick identification, you can easily find the right socket size without any hassle. Whether you're working on SAE or metric sizes, this set has you covered with 5/8, 3/4, and 13/16 inch sockets, as well as 14 and 18mm sockets. Upgrade your tool collection with the Performance Tool Spark Plug Socket Set and experience the convenience and reliability it offers.
EMENTOL 5PCS 3/8" Drive Spark Plug Socket Set
The EMENTOL 5PCS 3/8" Drive Spark Plug Socket Set is made of high-quality Chrome-Vanadium Steel with a mirror chrome finish, available in SAE and Metric sizes. The set includes 14mm,18mm; 5/8",3/4",13/16” sockets. The 6-point design provides a tight grip and prevents rounding off corners, while the interior rubber insert secures and protects the spark plug during operation. The laser-etched size markings make it easy to identify the size. The set comes with a sturdy and convenient storage case, keeping each piece in the proper position. It meets or exceeds ANSI performance standards.
Frequently Asked Questions (FAQs)
1. Can I use a regular socket for spark plugs?
No, regular sockets should not be used for spark plugs. Spark plug sockets have rubber isolators inside to absorb vibration and protect the spark plug. Regular sockets lack this feature and may result in breakage during spark plug replacement.
2. What are the two sizes of spark plug sockets?
The two most common sizes of spark plug sockets are 5/8 inch and 13/16 inch. However, there are other sizes available, each with its own specific applications.
3. What tools do I need to change out spark plugs?
To change spark plugs, you will need a feeler gauge, a spark plug extension, a socket/ratchet wrench set, and optionally, a torque wrench and anti-seize lubricant. You may also consider using a rubber hose or rubber gloves for grip and protection against grease and engine dirt.
4. Will a 9/16 spark plug fit a 14mm?
No, the correct size for spark plugs is 14mm. While a 9/16 spark plug socket can be used, it is recommended to use a 14mm spark plug socket with a rubber lining to ensure proper fit and avoid potential issues.
5. Do I need a special tool to remove spark plugs?
Yes, you will need a spark plug removal tool to grab and twist the spark plugs inside your vehicle's engine. Depending on the position of the spark plugs, you may also require an extension for your spark plug socket.
6. What is the most common spark plug socket size?
The most common spark plug socket size is 5/8 inch. However, there is also a common size of 13/16 inch. It is important to choose a spark plug socket that matches the size of your spark plug.
7. How tight should spark plugs be?
Spark plugs should be tightened finger-tight until the gasket reaches the cylinder head, and then tightened about ½ - ⅔ turn more with a spark plug wrench. For taper seat spark plugs, tighten about 1/16 turn more.
During our spark plug socket research, we found 24 spark plug socket products and shortlisted 10 quality products. We collected and analyzed 26,744 customer reviews through our big data system to write the spark plug sockets list. We found that most customers choose spark plug sockets with an average price of $13.87.
The spark plug sockets are available for purchase. We have researched hundreds of brands and picked the top brands of spark plug sockets, including CASOMAN, Powerbuilt, CRAFTSMAN, MIXPOWER, DURATECH. The seller of top 1 product has received honest feedback from 1,183 consumers with an average rating of 4.9.

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.