Best E3 Spark Plugs Car Spark Plugs of 2025

The E3.36 Spark Plug is specifically crafted with colder heat ranges, allowing you to make performance modifications with ease. This feature is ideal for those who often push their vehicles to the limit. Additionally, the Yttrium-enhanced alloy reduces side wire temperature by up to 8%, enhancing durability and minimising the risk of pre-ignition. With a thread diameter of 12mm and a thread reach of 0.750 inch, installation is straightforward. The universal fit ensures compatibility with a wide range of vehicles, making it a convenient choice for any enthusiast.

The E3 Spark Plugs E3.32 is designed specifically for high-performance engines in watercraft and snowmobiles. Its patented DiamondFIRE technology improves heat transfer, allowing for better power delivery and reduced vibrations. You will benefit from improved starts due to the Edge-to-Edge design, which concentrates spark energy for quick ignition in any conditions. Additionally, this spark plug helps to reduce fuel consumption and lower hydrocarbon emissions, making it an eco-friendlier choice for your powersport vehicles.

The E3.48 Spark Plug is designed to enhance your vehicle's performance. Its unique DiamondFIRE technology promotes a faster and more complete burn, which helps to increase power and reduce fuel consumption. You will benefit from its colder heat range, ideal for performance modifications, allowing better adaptability for your needs. Additionally, the Yttrium-enhanced alloy reduces side wire temperature, minimising the chances of pre-ignition and ensuring a smoother driving experience.

The E3.74 Spark Plug is an advanced automotive spark plug designed to enhance your vehicle's performance. With its unique DiamondFIRE technology, you can expect increased power and improved fuel efficiency, making your drives more economical. The colder heat ranges allow for modifications, ensuring your engine operates at its best. Additionally, the Yttrium-enhanced alloy reduces side wire temperatures, minimising the risk of pre-ignition and providing a smoother driving experience.

The E3 Racing Spark Plug offers impressive performance enhancements for your vehicle. With its Diamond FIRE edge to edge electrode, you can enjoy maximum efficiency and a faster, more complete burn of the fuel-air mixture. This means more pressure against the cylinder, allowing you to utilise more of the available fuel effectively. You'll also experience smoother acceleration and idle, thanks to the rapid flame propagation. Plus, starting your engine becomes easier in all conditions, thanks to the spark energy concentration of the patented design.

The E3.111 Spark Plug features patented DiamondFIRE technology, which enhances heat transfer and promotes better turbulence in the cylinder. This results in smoother acceleration, as the fast flame propagation from the ground electrode allows for a more complete burn of the fuel and air mixture. With a 14mm thread diameter and a 0.750-inch thread reach, this spark plug is designed for easy installation. It cross-references with several other models, ensuring compatibility with various vehicles.

The E3.110 Spark Plug features patented DiamondFIRE technology, ensuring that the ground electrode is securely attached for optimal heat transfer. This design enhances turbulence within the cylinder, promoting better combustion. You will experience smoother acceleration thanks to the efficient flame propagation initiated by the electrode, leading to a more complete burn of the fuel and air mixture. Additionally, this spark plug includes specific measurements, making it a convenient choice for your vehicle.

The E3 Spark Plugs are designed to enhance your vehicle's performance. With three legs securing the DiamondFIRE electrode, they enable excellent heat transfer, ensuring your engine runs smoothly. The patented DiamondFIRE side wire boosts power, helping you get the most out of every drop of fuel while reducing consumption. Additionally, the unique ground and full-size centre electrodes provide optimal performance, making your driving experience more efficient and enjoyable. You can expect improved hydrocarbon emissions too, contributing to a greener environment.

The E3.105 Spark Plug is a high-performance racing spark plug designed to enhance your vehicle's efficiency. Its patented DiamondFIRE technology allows for better power output while reducing fuel consumption, which means you can enjoy a more economical drive. The innovative edge-to-edge electrode ensures a faster and more complete burn of the fuel-air mixture, resulting in smoother acceleration and improved idle performance. This spark plug is ideal for those looking to optimise their engine's performance.

The E3.109 Spark Plug features patented DiamondFIRE technology, which secures the ground electrode to the shell with two legs. This design enhances heat transfer and increases turbulence within the cylinder, leading to improved performance. Additionally, the fast flame propagation initiated by the ground electrode ensures a more complete burn of the fuel and air mixture. As a result, you can experience smoother acceleration, enhancing your driving experience.