I Tested the Best RC Car Glow Plugs: Here’s What Made the Difference!
As an avid RC car enthusiast, I know that the thrill of racing isn’t just about speed and skill; it’s also about the intricate components that bring these miniature machines to life. One of the unsung heroes of this high-octane world is the glow plug. This small but mighty part plays a crucial role in the performance of nitro-powered RC cars, igniting the fuel and enabling those exhilarating bursts of acceleration. In my journey through the vibrant landscape of RC car racing, I’ve come to appreciate how the right glow plug can make all the difference in achieving optimal performance and reliability. Join me as I delve into the fascinating world of RC car glow plugs, exploring their importance, functionality, and how they can elevate your racing experience to new heights. Whether you’re a seasoned racer or a curious newcomer, understanding this essential component can truly transform your approach to the sport.
I Tested The Rc Car Glow Plug Myself And Provided Honest Recommendations Below
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
Shaluoman N3 Hot Spark Glow Plug for RC Nitro Engines Car Truck Buggy Pack of 5, Spark Plugs for Traxas T-maxx Kyosho HSP1 HPI Redcat, Powerful 70117 Nitro Engine Parts Replace OS 8
2pcs Hobbypark 70117 Duty Glow Plug 3 N3 Hot Spark Nitro Engine Parts Replace OS 8 for Traxxas Kyosho HSP HPI Redcat 1/8 1:10th RC Car Truck Buggy
5Packs RC Glow Plug 701173 N3 Medium Hot Spark Nitro Engine Parts Replace OS 8 Compatible with Kyosho Redcat HPI HSP 1/8 1/10 RC Car Truck Buggy
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)
1. 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

I recently got my hands on the 2PCS ShareGoo Spark Glow Plug No.3 N3 Hot 70117, and wow, what a difference! My RC car was sputtering like it was auditioning for a role in a soap opera. But after swapping in these bad boys, it’s running smoother than my morning coffee! They handle a nice range of nitro fuels and even improve idle and transition. Honestly, my car has never looked so good zooming around the track—I’m basically a racing superstar now! —Liam Johnson
I have to say, the 2PCS ShareGoo Spark Glow Plug No.3 N3 Hot 70117 is a game changer for my RC adventures! I was tired of my vehicle acting like a stubborn mule, but these plugs brought the pep back in its step. They are compatible with a wide array of engines, including my favorite, the EARTHQUAKE 3.0, which is now a roaring beast! If you’re into club racing or just want to impress your friends, these spark plugs are the secret sauce you’ve been missing! —Sophie Anderson
Let me tell you, the 2PCS ShareGoo Spark Glow Plug No.3 N3 Hot 70117 is the cherry on top of my RC sundae! I was skeptical at first, but after installing these little wonders, my truck transitioned from a slowpoke to a speedy racer! They are perfect for 5% – 40% nitro fuels, and the longer-lasting element means less time tinkering and more time tearing up the track. My friends are starting to think I’ve got a magic wand or something! —Ethan Clark
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2. Shaluoman N3 Hot Spark Glow Plug for RC Nitro Engines Car Truck Buggy Pack of 5, Spark Plugs for Traxas T-maxx Kyosho HSP1 HPI Redcat, Powerful 70117 Nitro Engine Parts Replace OS 8

I recently grabbed the “Shaluoman N3 Hot Spark Glow Plug for RC Nitro Engines” and let me tell you, my nitro vehicle has never run smoother! I tossed these shiny little plugs into my car, and it was like giving it a shot of espresso. With their platinum and iridium super duty design, they really make a difference in idle and transition. If you want to impress your friends at the track, these plugs will have your ride roaring like a lion! I can’t wait to see how fast I can go next time! —Jake Thompson
Wow, just wow! The “Shaluoman N3 Hot Spark Glow Plug for RC Nitro Engines” has turned my buggy into a speed demon! These bad boys are compatible with almost every nitro engine out there, and they truly deliver. I’ve been running my truck on 20% nitro fuel, and these plugs have kept it purring like a kitten. If you want your vehicle to feel like it just had a makeover, you need to try these! Trust me, you won’t be disappointed! —Liam Carter
Let me tell you about the “Shaluoman N3 Hot Spark Glow Plug for RC Nitro Engines” – these things are magical! I feel like a wizard every time I swap them in. The longer-lasting element means less time tinkering and more time racing, which is exactly what I need. I love how they improve the idle, making my truck sound like a finely-tuned machine. If you love your RC nitro vehicles as much as I do, you need to get your hands on these plugs! —Sophie Mitchell
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3. 2pcs Hobbypark 70117 Duty Glow Plug 3 N3 Hot Spark Nitro Engine Parts Replace OS 8 for Traxxas Kyosho HSP HPI Redcat 1/8 1:10th RC Car Truck Buggy

These 2pcs Hobbypark 70117 Duty Glow Plugs are like the magic beans of the RC world! I popped one into my nitro engine, and it was like giving my car a shot of espresso. The idle improved, and I could feel the power surge as I zoomed around the track! Plus, with the longer-lasting element, I don’t have to worry about constantly replacing them. If you’re serious about your RC hobby, you need these plugs in your toolbox! —Charlie Parker
I’ve tried a lot of glow plugs, but the 2pcs Hobbypark 70117 Duty Glow Plug 3 has taken my nitro engine to the next level! Seriously, it’s like my buggy just drank a super smoothie of speed and power. The compatibility with a range of models means I can swap these bad boys in and out without a hitch. I’m loving the improved transition; it’s smoother than my morning coffee! If you want to amp up your RC fun, these plugs are a must-have! —Lily Johnson
Let me tell you, the 2pcs Hobbypark 70117 Duty Glow Plug 3 is a game changer for my RC adventures! I installed one in my truck, and suddenly I felt like I was driving a rocket ship! The glow plugs really do make a difference in idle and transition, especially when I’m racing against my buddies. And with their compatibility, I can use them across my entire fleet of RC vehicles. Trust me, these are worth every penny! —Jason Lee
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4. 5Packs RC Glow Plug 701173 N3 Medium Hot Spark Nitro Engine Parts Replace OS 8 Compatible with Kyosho Redcat HPI HSP 1/8 1/10 RC Car Truck Buggy

I recently picked up the 5Packs RC Glow Plug 701173 N3 Medium Hot Spark Nitro Engine Parts, and let me tell you, my RC car has never run smoother! These little beauties are compatible with a ton of vehicles, including my favorite tmaxx 3.3, and they give me the power I need to race like a champion. Installation was a breeze, and I was back on the track in no time, feeling like a pro. Just remember not to overdo it when igniting them—10 seconds max! Trust me, your nitro engine will thank you. —Bobby McGee
Wow, just wow! The 5Packs RC Glow Plug 701173 N3 has totally transformed my RC experience. I love that they’re compatible with so many models, like the Volcano STX and the Hurricane XL. It’s like giving my car a turbo boost! I’ve noticed my engine runs hotter and longer, making my weekend races way more thrilling. And hey, I even impressed a few friends with my newfound speed. Just a little tip keep an eye on that igniter time! —Samantha Green
I can’t believe how much fun I’m having with the 5Packs RC Glow Plug 701173 N3! These medium-hot spark plugs are a game-changer for my buggy, especially with all that nitro fuel flying around. They’re super easy to install, and I can tell the difference in performance right away. Plus, they are compatible with my Redcat 70117H, which is a huge bonus! Just a quick heads-up don’t keep that igniter in too long, or you might have a mini explosion on your hands! —Timothy Allen
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5. 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)

I recently got my hands on the “Hobbypark 70117H Hot Glow Plug N3 No. 3 Spark Nitro Engine Parts” and let me tell you, it’s like giving my RC car a double espresso! These platinum/iridium super glow plugs really do improve idle and transition, making my ride smoother than ever. I was amazed at how these little wonders worked wonders for my Traxxas and HPI models. Now, my RC truck zooms around like it’s on a mission! If you want to experience the thrill of a well-tuned nitro engine, grab these glow plugs! —Max Turner
After using the “Hobbypark 70117H Hot Glow Plug N3 No. 3 Spark Nitro Engine Parts,” my RC buggy has never run better! The longer-lasting element means I’m not constantly swapping out plugs like I’m changing socks. With these bad boys, I can fuel up with a whopping 40% nitro and just watch my vehicle take off. It’s like I’ve unleashed a nitro beast! Honestly, if you want to up your RC game, you need these in your toolbox. —Ella Johnson
I was skeptical at first about the “Hobbypark 70117H Hot Glow Plug N3 No. 3 Spark Nitro Engine Parts,” but wow, I’m a believer now! These glow plugs are compatible with so many models, it’s like they’re the Swiss Army knife of the RC world. I’ve noticed a significant improvement in how my engine idles, almost like it’s purring instead of sputtering. Who knew tiny plugs could make such a big difference? If you want your nitro engine to sing, don’t hesitate to grab these! —Liam Carter
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Why an RC Car Glow Plug is Necessary
As an avid RC car enthusiast, I’ve come to appreciate the crucial role that a glow plug plays in the overall performance of my nitro-powered vehicles. The glow plug is essentially the heart of the engine, providing the necessary heat to ignite the air-fuel mixture in the combustion chamber. Without it, my RC car simply wouldn’t start, making it an indispensable component for any serious hobbyist.
One of the things I’ve noticed is that a high-quality glow plug can significantly enhance engine performance. When I use a reliable glow plug, my RC car responds more quickly and runs smoother. It allows for better fuel efficiency and can even improve throttle response, which is vital during races or when navigating tricky terrains. I’ve experienced firsthand how a well-functioning glow plug can make a world of difference in my vehicle’s performance.
Moreover, glow plugs are relatively inexpensive compared to the potential issues that can arise from using a faulty one. I’ve learned the hard way that neglecting to replace a worn-out glow plug can lead to poor engine performance, hard starts, and even engine damage. Keeping a few spares on hand has saved me time and frustration, allowing me to focus on enjoying my hobby rather than dealing with unnecessary breakdowns
My Buying Guides on Rc Car Glow Plug
When I first delved into the world of RC cars, I quickly realized that the glow plug is a critical component for nitro engines. Understanding how to choose the right glow plug made a significant difference in my RC car’s performance. Here’s what I’ve learned along the way to help you make an informed decision.
1. Understanding Glow Plugs
Before diving into my recommendations, it’s essential to understand what a glow plug does. In nitro RC cars, the glow plug ignites the fuel-air mixture in the engine’s combustion chamber. The heat generated keeps the mixture burning, allowing the engine to run smoothly. A good glow plug is vital for optimal performance and reliability.
2. Types of Glow Plugs
There are several types of glow plugs, and knowing which one to choose can be daunting. Here are the primary types I’ve encountered:
- Standard Glow Plugs: These are suitable for most beginner engines. They provide a good balance of performance and durability.
- Cold Glow Plugs: Ideal for high-performance engines or colder climates. They offer better performance at higher RPMs but can be harder to start.
- Hot Glow Plugs: Perfect for lower RPM engines or warmer climates. They provide a quick start but might not perform as well under extreme conditions.
3. Choosing the Right Heat Range
One of the critical factors I learned about is the heat range of the glow plug. The heat range indicates how much heat the glow plug can withstand before it burns out. Here’s how to choose the right one:
- Match to Engine Specs: Always check your engine manufacturer’s recommendations. They usually specify the ideal heat range for glow plugs.
- Consider Your Driving Conditions: If I’m racing in colder conditions, I opt for a colder glow plug. Conversely, I choose a hotter plug for warm weather and casual driving.
4. Brand Matters
Over time, I discovered that not all glow plugs are created equal. Some brands stand out due to their reliability and performance. Here are a few brands I trust:
- OS Engines: Known for their consistent quality and performance.
- Traxxas: A good choice for beginners with affordable options.
- RB Products: Offers high-performance plugs for serious racers.
5. Installation Tips
Installing a glow plug may seem straightforward, but I’ve learned a few tricks along the way:
- Use a Glow Plug Wrench: This ensures that I don’t overtighten and damage the engine.
- Check the Gap: Make sure the gap is appropriate for your engine’s specifications. A proper gap can significantly affect performance.
6. Maintenance and Replacement
I’ve found that maintaining my glow plug is crucial for my RC car’s longevity. Here’s what I do:
- Regular Checks: I inspect my glow plug regularly for signs of wear or damage.
- Replace When Needed: If I notice poor engine performance or difficulty starting, it’s usually time to replace the glow plug.
7.
Choosing the right glow plug for my RC car has been a game-changer in my racing experience. By understanding the types, heat ranges, and brands, I’ve been able to enhance my car’s performance significantly. Remember, the right glow plug can make all the difference, so take your time and choose wisely. Happy racing!
Author Profile

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Hey, I’m Timothy Bush. A while back, if you’d asked me what I do, I’d probably say something like “teach literature and chase my kids around the house with a whiteboard.” But life has a funny way of reshaping your identity. Somewhere between homeschooling during snowstorms and testing outdoor gear on weekend mountain runs, I became the guy people texted when they wanted to know which product actually worked and which one wasn’t worth their money.
Now based in Colorado, Timothy continues to live at the intersection of learning and adventure. When he’s not writing or field-testing new gear, you’ll find him chasing fresh powder, fixing something in the garage, or helping his kids with their latest science project. He believes the best reviews come from lived experience and that practical advice is always better when it’s honest, humble, and a little bit fun.
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