Best RC Engine Glow Plugs & Spark Plugs of 2025

Jimmy Roof
Last Updated: Jan 6, 2025

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RC Engine Glow Plugs & Spark Plugs are essential components for remote-controlled vehicles, such as cars, airplanes, and boats. Glow plugs are used in nitro-powered engines and provide heat to ignite the fuel mixture, while spark plugs are used in gasoline-powered engines and create an electrical spark to ignite the fuel. Both types of plugs are designed to withstand high temperatures and provide reliable performance for extended periods. It's important to choose the right type of plug for your RC vehicle to ensure optimal performance and longevity.

At a Glance: Our Top Picks

#TOP 1
2PCS ShareGoo Spark Glow Plug No.3 N3 Hot 70117
ftb score rating icon 9.8
#TOP 2
Hobbypark Glow Plug Ignitor for RC Models
ftb score rating icon 9.7
#TOP 3
HobbyPark N3 Glow Plugs (Pack of 5)
ftb score rating icon 9.5

Top 10 RC Engine Glow Plugs & Spark Plugs

#TOP 1

2PCS ShareGoo Spark Glow Plug No.3 N3 Hot 70117

CS839
Sliver
2PCS ShareGoo Spark Glow Plug No.3 N3 Hot 70117 Compatible with Traxxas Kyosho HSP HPI Redcat 1/8 1/10 RC Nitro Engines Car Truck Buggy
ftb score rating icon 9.8
FTB Score

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.

What We Like
Compatible with a wide range of RC cars and trucks
Improves idle and transition
Longer-lasting than other spark glow plugs
#TOP 2

Hobbypark Glow Plug Ignitor for RC Models

80103
Blue
Hobbypark Glow Plug Ignitor Igniter Nitro Engine Starter Tools Support AA Batteries for RC Car Buggy Truck Model Plane
ftb score rating icon 9.7
FTB Score

The Hobbypark Glow Plug Ignitor is an essential tool for starting nitro-powered RC cars, planes, boats, and more. It is compatible with a wide range of models and requires only one standard AA battery (not included) to operate. The ignitor is well-made and durable, ensuring longevity and reliability. Produced by HobbyPark, the ignitor is 100% new and provides an easy and convenient way to start your nitro engine.

What We Like
Compatible with a variety of nitro-powered RC models
Conveniently powered by just one standard AA battery (not included)
Well-made and durable for longevity and reliability
#TOP 3

HobbyPark N3 Glow Plugs (Pack of 5)

001-3040-D5
[Varies]
HobbyPark Hot Glow Plugs N3 Super Duty Spark Engine Parts for RC Nitro Car (Pack of 5)
ftb score rating icon 9.5
FTB Score

The HobbyPark N3 Glow Plugs are designed for high-performance in RC nitro cars. These super duty plugs, made from platinum and iridium, ensure a longer lifespan, allowing you to enjoy more time racing without frequent replacements. They enhance engine idle and transition, making your driving experience smoother and more responsive. Compatible with various 1/8 and 1/10 scale vehicles, you can use them with different nitro fuel percentages, giving you flexibility in performance tuning. This pack of five plugs is a practical choice for any RC enthusiast looking to optimize their engine's efficiency.

What We Like
Long-lasting performance
Smoother engine transitions
Compatible with many models
Flexible fuel compatibility
#TOP 4

Hobbypark Glow Plug #4 N4

19-3040D6
8mm Hex
6PCS Hobbypark 70117 Glow Plug #4 N4 Spark Medium Hot Nitro Engine Parts for Traxxas Redcat HPI HSP 1/8 1/10 RC Car Truck Buggy
ftb score rating icon 9.5
FTB Score

The Hobbypark Glow Plug #4 N4 is a platinum/iridium super duty glow plug designed for 1/8 and 1/10 RC cars and trucks with 4c engines running on 5% - 40% nitro fuels. This glow plug is a great replacement for the OS 8 plug and offers a longer lasting element. It improves idle and transition, ensuring smooth acceleration and better performance. With its compatibility with various models like Traxxas, Redcat, HPI, and HSP, this pack of 6 glow plugs is a genuine HobbyPark RC product that guarantees quality and reliability for your RC vehicle.

What We Like
Longer lasting element
Improves idle and transition
Compatible with various RC models
#TOP 5

OGUNKE Nitro Glow Plug Igniter Starter

O070
OGRC Nitro Glow Plug Igniter Starter Tools with Battery Charger for HSP Redcat and 1/8 1/10 Nitro Engine RC Car Buggy Truck Model
ftb score rating icon 9.5
FTB Score

The OGUNKE Nitro Starter Tool is designed for ease of use and convenience. It is lightweight, making it simple to operate, store, and carry, which is perfect for on-the-go hobbyists. The igniter is made from durable aluminum alloy, ensuring it withstands the rigors of frequent use without breaking. It also comes with a rechargeable 1.2V 1800mAh Ni-Cd battery and a charger, allowing you to power up without hassle. This means you can focus on enjoying your RC experience instead of worrying about dead batteries.

What We Like
Lightweight and portable
Durable aluminum construction
Rechargeable battery included
Compatible with many brands
#TOP 6

Hobbypark Hot Glow Plug for RC Car Truck Buggy (Pack of 6)

19-011-D6
Hex:8mm
Hobbypark 70117H Hot Glow Plug N3 No. #3 Spark Nitro Engine Parts Replace OS for Traxxas Losi HPI Redcat HSP Himoto RC Car Truck Buggy (Pack of 6)
ftb score rating icon 9.5
FTB Score

The Hobbypark Hot Glow Plug is a platinum/iridium super glow plug that replaces OS #8. It is compatible with a wide range of RC cars, trucks, and buggies and is designed for 4c engines using 5% to 40% nitro fuels. This glow plug improves idle and transition and has a longer-lasting element. The pack includes six 100% new, genuine HobbyPark RC products.

What We Like
Compatible with a wide range of RC cars, trucks, and buggies
Improves idle and transition
Longer-lasting element than other glow plugs
#TOP 7

Nuofany 5Packs RC Glow Plug 70117#3

Nuofany
N3-5Packs
Silver
5Packs RC Glow Plug 70117#3 N3 Medium Hot Spark Nitro Engine Parts Replace OS 8 Compatible with Kyosho Redcat HPI HSP 1/8 1/10 RC Car Truck Buggy
ftb score rating icon 9.4
FTB Score

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.

What We Like
Wide vehicle compatibility
Durable platinum/iridium construction
Long-lasting performance
Includes five plugs
#TOP 8

ShareGoo Glow Plug Compatible with Traxxas Kyosho HSP HPI Redcat 1/8 1/10 RC Nitro Engines

HS840R
Sliver
2PCS ShareGoo Glow Plug N4#4 NO.4 Medium Hot Spark 70117 Compatible with Traxxas Kyosho HSP HPI Redcat 1/8 1/10 RC Nitro Engines Car Truck Buggy
ftb score rating icon 9.2
FTB Score

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.

What We Like
Compatible with various RC Nitro Engines Car Truck Buggy models
Improves idle and transition
Medium for club racing and sport use
Bolder tungsten filament providing greater durability
Recommended for 4c Engines and for 5% - 40% Nitro Fuels
#TOP 9

Nuofany N4 Glow Plug for Nitro Engines

Nuofany
N4-5Packs
Silver
5Packs RC Glow Plug #4 N4 Medium Hot Spark Nitro Engine Parts 70117 Compatible with Traxxas Kyosho Redcat HPI HSP 1/8 1/10 RC Car Truck Buggy
ftb score rating icon 9.0
FTB Score

The Nuofany N4 Glow Plug is an excellent choice for your nitro RC vehicles, compatible with popular models like Traxxas and Kyosho. Designed for summer use, this medium hot glow plug operates effectively with 5% to 40% nitro fuels, ensuring longer-lasting performance. With its reliable ignition, you won’t have to worry about frequent replacements. Additionally, the N4's specific ignition time allows for safer use, helping you avoid damage to the plug. Whether you’re racing or just enjoying your hobby, this glow plug offers convenience and reliability for your RC adventures.

What We Like
Compatible with various RC models
Long-lasting performance
Safe ignition time
Ideal for summer use
#TOP 10

Globact 4pcs Hot Glow Plug N3 No. #3 for RC Car Truck Buggy

GLOBACT
Globact 4pcs 70117 Hot Glow Plug N3 No. #3 Spark Nitro Engine Parts Replace OS for Traxxas Kyosho HSP HPI Redcat 1/8 1/10 RC Car Truck Buggy
ftb score rating icon 9.0
FTB Score

The Globact 4pcs Hot Glow Plug N3 No. #3 is compatible with various nitro RC car models and can improve idle and transition. The longer-lasting element of the plug can handle 5% - 40% nitro fuels. Additionally, the spark plug igniter is made of hot 70117 platinum/iridium super spark. If you have any inquiries, Globact provides excellent customer service to ensure customer satisfaction.

What We Like
Compatible with various nitro RC car models
Improves idle and transition
Longer-lasting element can handle 5% - 40% nitro fuels
Hot 70117 platinum/iridium super spark
Excellent customer service
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Do glow plugs work the same as spark plugs?

Glow plugs and spark plugs work differently. While a spark plug continuously generates sparks to ignite the fuel-air mixture, a glow plug is only used during the ignition process. It heats up the element, emitting visible light, and provides the necessary ignition for the engine.

2. Why do RC engines use glow plugs?

RC engines use glow plugs to provide the ignition point for combustion. The glow plug heats up the coil of wire inside it, which helps ignite the fuel-air mixture in the engine. This ensures the engine has the necessary spark to start and run smoothly.

3. What are the signs of bad glow plugs?

Signs of bad glow plugs include hard starting, especially in cold conditions. If the glow plugs are not functioning properly, the combustion chamber may not reach the right temperature to ignite the fuel, making it difficult to start the engine.

4. How often should glow plugs be changed?

On average, glow plugs on a diesel engine last around 100,000 miles. However, they can fail earlier, especially if you frequently experience hard starts or use lower quality glow plugs than recommended for your vehicle.

5. What are the disadvantages of glow plugs?

If glow plugs malfunction, they may fail to provide the additional heat needed for diesel combustion. This can lead to misfires, resulting in a loss of power, acceleration, and fuel efficiency.

6. Do glow plugs improve performance?

Yes, glow plugs play a crucial role in improving engine performance. They provide the necessary heat in the combustion chamber for efficient combustion. Faulty glow plugs can weaken engine performance, requiring the engine to work harder and negatively affecting fuel efficiency.

7. How do I know what glow plugs I need?

The type of glow plugs you need depends on a few factors. One important factor is the Nitro percentage of your fuel, as it determines the ignition point. Higher Nitro percentages require colder glow plugs to ensure proper ignition.

Editor's Notes

During our rc engine glow plugs & spark plug research, we found 24 rc engine glow plugs & spark plug products and shortlisted 10 quality products. We collected and analyzed 11,768 customer reviews through our big data system to write the rc engine glow plugs & spark plugs list. We found that most customers choose rc engine glow plugs & spark plugs with an average price of $18.18.

The rc engine glow plugs & spark plugs are available for purchase. We have researched hundreds of brands and picked the top brands of rc engine glow plugs & spark plugs, including Share Goo, Hobbypark, OGUNKE, Nuofany, GLOBACT. The seller of top 1 product has received honest feedback from 685 consumers with an average rating of 4.9.

Written by

Jimmy Roof is a toy designer who lives in Chicago with his family. He works in a big toy firm, so he is surrounded by toys every day. Throughout his career, he has developed expertise in children's toys, baby products and preschool education. Jimmy Roof often publishes articles related to toys on key websites.