Best Spark Plug & Ignition Tools of 2025

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Spark plug and ignition tools are essential for maintaining a vehicle's engine performance. These tools include spark plug sockets, spark plug pliers, ignition testers, and ignition wrenches. Spark plug sockets are used to remove and install spark plugs, while spark plug pliers are designed to grip and remove stubborn spark plugs. Ignition testers are used to check the voltage and spark strength of the ignition system, and ignition wrenches are used to install and remove ignition coils. These tools are crucial for ensuring that a vehicle's engine is running at its best, and they are a must-have for any automotive enthusiast or mechanic.
At a Glance: Our Top Picks
Top 10 Spark Plug & Ignition Tools
LEXIVON 5/8" Swivel Magnetic Spark Plug Socket
The LEXIVON 5/8" Swivel Magnetic Spark Plug Socket is a must-have tool for effortless spark plug removal and installation. Made of hardened and heat-treated chrome vanadium steel with a fully polished, chrome-plated mirror finish that resists corrosion, this socket boasts a smooth 360-degree ball swivel design, a thin wall socket, and a knurled shaft that prevents slipping. The enhanced magnetic core effectively retains spark plugs, and the identifying laser-etched size and 10-inch total length make it easy to use in tight spaces.
BILITOOLS 6-Piece Magnetic Spark Plug Socket Set
The BILITOOLS Spark Plug Set is designed to meet all your spark plug maintenance needs. With various socket sizes, including 9/16-inch, 5/8-inch, 14mm, and 16mm, you'll find the right fit for any task. The durable Chrome-Vanadium steel construction ensures longevity and resistance to rust and oil. You’ll appreciate the magnetic core that securely holds spark plugs during installation or removal, preventing slips. Plus, the 360-degree swivel feature allows you to navigate tight spaces with ease, making your work more efficient and reducing the risk of rounding off corners.
CTA Tools 3235 Spark Plug Gapper
The CTA Tools 3235 Spark Plug Gapper is a professional grade tool designed for auto mechanics. With a wide range of specialty tools, this heavy-duty spark plug and ignition tool is a must-have in any automotive tool kit.
Lisle 51410 Spark Plug Boot Pliers
The Lisle Spark Plug Pliers are designed to make removing spark plug wire boots easier and safer. The 5/8" opening ensures a snug fit around the wire boots, preventing any damage during removal. With a length of 7 inches and an offset tip, these pliers can reach tight spaces, allowing you to work in confined areas without hassle. Their compact package makes them easy to store in your toolbox. Whether you're a professional mechanic or a DIY enthusiast, these pliers will help you handle spark plug wires with confidence and efficiency.
QWORK Magnetic Swivel Spark Plug Socket
The QWORK Spark Plug Socket is designed for ease and efficiency. Crafted from durable chrome vanadium steel, it resists wear and corrosion, ensuring longevity. Its 360-degree rotating feature allows you to access spark plugs from various angles, making your task simpler. The unique bump design improves grip, enabling you to remove spark plugs with less effort. Additionally, the swivel head securely holds the spark plug in place during installation and removal, so you won’t have to worry about dropping it. This socket is compatible with various BMW and MINI models, enhancing its versatility.
TecoTek 11-Piece Spark Plug Set
The TecoTek Spark Plug Set is an essential tool for anyone who enjoys DIY projects involving spark plugs. This set includes various socket sizes, making it versatile for different vehicles and equipment. The durable chrome vanadium steel construction ensures longevity and reliability, allowing you to easily remove and install spark plugs. Its 6-point design snugly fits spark plug hex nuts, preventing slips and potential damage. With high visibility markings on the storage case and tools, you can quickly identify the right size, saving you valuable time when working on your projects.
IHOTDER Spark Plug Removal Tool
The IHOTDER Spark Plug Pliers are designed for efficient maintenance of your vehicle. With an 11-inch length and adjustable opening widths, these pliers easily access tight spaces, making spark plug and wire removals a breeze. Crafted from high-quality carbon steel, they offer superior durability and strength compared to standard tools. The internal serrated design prevents slipping, ensuring a secure grip during use. Additionally, the ergonomic handle provides comfort and control, allowing you to perform tasks safely and effectively. This tool is perfect for anyone looking to simplify their automotive repairs.
ANCEL SP02 Spark Plug Tester
The ANCEL SP02 Tester allows you to test two spark plugs simultaneously, making it easier for you to identify weak plugs quickly. This dual-hole design saves you time and helps ensure your engine runs at its best. It fits most gasoline engines, accommodating various spark plug types and sizes, so you won’t have to guess about compatibility. The easy setup means you can start testing with just a few simple steps, and the adjustable RPM settings let you customize the testing to match your vehicle's performance. Safety is a priority, as the protective cover keeps you safe while you monitor the spark results.
Lisle 20610 Spark Tester
The Lisle 20610 Spark Tester allows you to give a visual check of the ignition system and quickly diagnose ignition system problems. You can connect the tool between the spark plug and the plug wire, and the tool is double-ended to offer a straight boot and a 90-boot on one tool. With the engine running, the tool flashes a mirror image of the ignition spark to help you identify any issues. This product is patented and suitable for all ignition systems.
A & E 4450A Spark Plug Gauge
The A & E Spark Plug Gauge is a versatile tool designed to make your spark plug maintenance easier. It features a handy pocket clip, allowing you to keep it close at hand whenever you need it. On the reverse side, you’ll find a metric gapping scale, which helps you measure accurately. The tool also includes a special recess specifically made for adjusting electrodes, ensuring precise gaps for optimal engine performance. Additionally, the durable design ensures that you can rely on it for many projects to come.
Frequently Asked Questions (FAQs)
1. Is there a tool to remove spark plug wires?
Spark plug wire pliers/pullers: Remove hard-to-reach spark plug wires while providing more protection for the wire boot. These pliers come in two designs, straight or offset (angled). Look for sturdy jaws and handles that are insulated and won't twist.
2. What size is a standard spark plug socket?
Most often, the spark plug will be either a 5/8 inch or 13/16 inch one. Most newer vehicles will have a 5/8-inch spark plug. Smaller engines, such as those in lawnmowers will also have a spark plug of this size.As such, the spark plug socket used is also a 5/8-inch one.
During our spark plug & ignition tool research, we found 24 spark plug & ignition tool products and shortlisted 10 quality products. We collected and analyzed 147,361 customer reviews through our big data system to write the spark plug & ignition tools list. We found that most customers choose spark plug & ignition tools with an average price of $13.05.
The spark plug & ignition tools are available for purchase. We have researched hundreds of brands and picked the top brands of spark plug & ignition tools, including LEXIVON, BILITOOLS, CTA Tools, Lisle, QWORK. The seller of top 1 product has received honest feedback from 2,148 consumers with an average rating of 4.9.

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.