Best Lawn Mower Spark Plugs of 2025

The Tecreddy Spark Plugs are designed to be compatible with a range of lawn mower engines, including those from Briggs and Stratton and Kohler. This 4-pack set allows you to easily replace your old spark plugs, saving you both time and money. Crafted from high-quality materials, these plugs ensure reliable performance and longer service life for your mower. Their precise design makes installation straightforward, helping to keep your mower running smoothly and efficiently. Enjoy hassle-free maintenance with these dependable spark plugs.

The Butom Spark Plug Set is designed for various lawn mowers and engines, ensuring optimal performance. It replaces popular models like the Champion RC12YC and Kohler 25 132 12-S, making it versatile for different machines. These spark plugs help your engine start smoothly and run efficiently, enhancing overall functionality. They are also compatible with several Gravely models, simplifying maintenance for users. Before purchasing, it's essential to check your machine's model number to ensure compatibility, ensuring you get the right fit for your equipment.

The Champion Spark Plug is a genuine OEM replacement part designed specifically for lawn mowers. Its compatibility with various models ensures that you can easily find a suitable fit for your machine. Each spark plug is individually boxed, making it convenient for storage and handling. Additionally, the resistor type helps reduce electrical interference, leading to better engine performance. By choosing this spark plug, you can experience enhanced reliability and efficiency in your lawn mower, ensuring a well-maintained lawn effortlessly.

The Autolite Iridium Spark Plug is specifically designed for outdoor power equipment, ensuring you have reliable performance throughout the season. Its durable construction features a nickel-plated shell and a fine-wire tip that resists fouling, making it easy to start your lawn equipment in any weather. You can enjoy quicker engine starts—up to 26% faster than standard plugs—which means less wear on your battery and starter. Additionally, this spark plug helps improve fuel efficiency by reducing hydrocarbon emissions by up to 21%, giving you more power and saving you money at the pump.

The Hipa Spark Plug is designed to fit a range of Kohler engines, ensuring your lawn mower runs smoothly. With a thread diameter of 12mm and a reach of 19mm, it provides a reliable connection for efficient engine performance. The spark plug is compatible with several models, including CH245, KS530, and XT675, making it a versatile choice for various mowers. Additionally, it comes in a convenient pack of two, allowing you to replace both plugs at once, saving you time and hassle. Always check your engine's model number for compatibility before purchasing.

This spark plug pack, sold on Amazon, is designed as a replacement for J19LM, RJ19LM, 802592, and 5095K spark plugs. It is specifically produced for lawn mowers, ensuring that your equipment is running at its best.

The Briggs Spark Plugs come in a convenient pack of 12, ensuring you have plenty on hand for your lawn mower. These are genuine OEM parts from Briggs and Stratton, guaranteeing high quality and compatibility with your equipment. By consulting your owner's manual, you can easily identify the right part number for your specific model, making installation straightforward. This means you can maintain your lawn mower efficiently, keeping it running smoothly for all your gardening needs.

The YIGUCS Spark Plug Pack offers compatibility with several popular brands, including Champion and John Deere, ensuring you have the right fit for your lawn mower. With a manufacturer part number of RC12YC, these plugs are designed to effectively transfer high-voltage electricity from the ignition coil to the combustion chamber. This feature aids in igniting the fuel mixture efficiently. Made from high-quality ceramic and alloy materials, these spark plugs are built to last, resisting wear and corrosion. Their copper core electrodes allow for rapid heating, enhancing performance and reliability.

The Hipa Spark Plug Set is designed to replace various models, including the Champion RJ19LM and Briggs & Stratton 796112. With a thread diameter of 14mm and a reach of 9.5mm, these plugs ensure a perfect fit for your lawn mower. The copper core construction enhances durability and performance, allowing for better heat dissipation while minimizing wear. Additionally, the triple seals help prevent leakage, ensuring a reliable operation. By opting for these spark plugs, you can enjoy a hassle-free mowing experience with fewer maintenance concerns.

The JOHAHTANG RC12YC Spark Plug is designed to replace various models, including those from Briggs & Stratton and Kohler. This spark plug is compatible with several lawn mower brands, ensuring versatility for your equipment. With a copper core electrode, it effectively manages the spark plug's thermal range, enhancing performance and extending its lifespan. You can trust its durability and corrosion resistance, making it a reliable choice for your lawn care needs. This product offers you peace of mind, knowing that it will keep your engines running smoothly.