Best RC Engine Glow Plugs & Spark Plugs of 2026

The TEAMWILL Medium Glow Plug is designed specifically for Traxxas engines like the 2.5, 2.5R, and 3.3 models, ensuring compatibility and smooth performance. Its medium heat range is perfect for handling the varying throttle demands of off-road racing, giving you reliable starts and consistent engine operation. This pack includes three long glow plugs with gaskets, so you have spares ready when needed. Just remember, to install these plugs properly, you'll need a special wrench (HCAP2550), and they work best with glow fuel containing 10%-20% nitro, which helps optimize your engine’s power and efficiency.

The Hobbypark Glow Plug Set offers a durable alternative for your RC nitro engine needs. With its platinum and iridium construction, these plugs last longer, so you spend less time replacing them. They work well with 4-cycle engines running on 5% to 40% nitro fuel, ensuring reliable performance. You’ll also notice smoother idling and better throttle response, making your driving experience more enjoyable and consistent. This two-pack provides great value and compatibility with many popular RC car and truck models, so you can easily upgrade your engine parts for improved performance.

The Hobbypark Igniter Glow Plugs kit is designed to enhance your RC vehicle's performance and reliability. This set requires an AA battery (not included) for the igniter, so you can easily power it up without hassle. It improves your engine's idle and smooths the transition, helping your vehicle run more steadily. The glow plugs feature a durable platinum/iridium element, which lasts longer and withstands tough conditions. Plus, they are compatible with a wide range of 1/8 and 1/10 scale RC cars using 4-cylinder engines and nitro fuels between 5% and 40%, giving you versatile and lasting performance for your RC adventures.

The HobbyPark Super Duty Glow Plugs are designed to replace standard OS 8 plugs, offering a durable platinum/iridium element that lasts longer, so you don’t have to replace them often. These plugs are perfect for 1/8 and 1/10 scale RC vehicles with 4-cylinder engines running on nitro fuels between 5% and 40%, ensuring reliable performance. You’ll also notice improved engine idle and smoother transitions, making your RC car run more efficiently and respond better during use. This pack of three plugs gives you spares, so you’re always ready to keep your RC vehicle running strong.

The Nuofany RC Glow Plugs are designed for a wide range of 1/8 and 1/10 scale vehicles equipped with 4c engines. These plugs are compatible with various models, ensuring you can keep your favorite RC cars running smoothly. They feature a platinum/iridium construction, offering superior durability and a longer lifespan compared to standard plugs. With the ability to handle 5% to 40% nitro fuels, these plugs provide reliable performance for your engines. Additionally, the package includes five glow plugs, giving you ample replacements for your RC adventures.

The 2PCS ShareGoo Spark Glow Plug No.3 N3 Hot 70117 is a package of two spark glow plugs that are compatible with a wide range of Traxxas Kyosho HSP HPI Redcat 1/8 1/10 RC Nitro Engines Car Truck Buggy models. These longer-lasting plugs are suitable for 5%-40% nitro fuels. The product is easy to install and can improve idle and transition. The product is suitable for medium club racing and sport use.

The Shaluoman N4 Hot Glow Plug Spark Plugs are a powerful and reliable choice for Traxas T-maxx Kyosho HSP1 HPI Redcat 1/8 1/10 RC Car Truck Buggy enthusiasts. With a pack of 5 PCS, these platinum/iridium super spark glow plugs are compatible with a wide range of RC nitro engines. The N4 Hot Glow Plugs are designed for medium use, making them suitable for hobby club racing and sport activities. These glow plugs are made of durable steel and have a longer-lasting element, ensuring improved idle and transition. The N3 and N4 variants have different temperature ranges, with N4 being more suitable for summer use. With easy installation and maintenance, these glow plugs are a must-have for RC enthusiasts.

The ShareGoo Glow Plug N4#4 NO.4 Medium Hot Spark 70117 is a high-quality product that is compatible with various RC Nitro Engines Car Truck Buggy models. It improves idle and transition and is medium for club racing and sport use. With the tungsten filament of N4 being bolder than the N3, it is more durable, and it is recommended for 4c Engines and for 5% - 40% Nitro Fuels. The HEX size is 8mm, so please refer to your instruction manual and make sure it's compatible.

The Graupner P3 Turbo Glow Plug is designed to give you better control and performance in your RC engine. Its ultra-hot design helps your engine run smoothly at low speeds, which means you get more power when accelerating. This is especially useful if you’re using 20% nitro fuel, as it’s tailored to work best with that mix. If you’re new to RC driving, this glow plug is a great choice because it provides reliable and consistent ignition that makes your engine easier to manage. Just remember, you’ll need a glow plug wrench and a HCAP2550 to install it properly.

The Share Goo Glow Plug Starter is designed to work with 1/8 and 1/10 scale RC nitro cars, buggies, trucks, boats, planes, and helicopters, making it a versatile tool for various RC models. You don’t need to buy an additional charger since this upgraded version powers the igniter directly using your own battery, simplifying the setup process. It supports a wide input voltage range from 6V to 24V, so you can use it with many different batteries. The alligator clip input connector makes it easy to attach and start your RC engine quickly and safely, as the igniter will only light up when connected correctly.