The Best Spark Plugs for Your Car in 2021 | Best Prices

Spark plugs are one of the tiniest parts of your car. Performance spark plugs must do wonders to help you reach your destination on time. Imagine how you would feel when you got to rush somewhere important, but couldn’t start the engine even after trying hard on that ignition. Totally bad, right?

Well, most people blame everything on a car battery without identifying the main cause. However, in 85% of cases, it’s the oil on spark plugs that creates all the fuss. So if you’re going through combustion issues, or willing to get an economical fuel mileage, then make sure to look for the top rated spark plugs and replace them from time to time. Spark plugs ignite the fuel in our engines.

Finding the best spark plugs for horsepower in your car can be fascinating. But if you’re not sure which buying spark plugs and how to install them, don’t panic. Because you’re about to get all the answers here. So keep on reading!

high performance spark plugs

Luckily for you, we have a list of the best spark plugs available on the market today.

Best price 1 ACDelco 41-993 Professional Iridium Spark Plug
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ACDelco 41-993 Professional Iridium Spark Plug

ACDelco 41-993 has over 90 years of experience and they make great products. One of these is the ACDelco 41-993 professional iridium spark plug. You get 4 plugs in this pack.  It is pre-gapped so you won't have any problems fixing it in your ...

ACDelco 41-993 has over 90 years of experience and they make great products.

One of these is the ACDelco 41-993 professional iridium spark plug. You get 4 plugs in this pack.  It is pre-gapped so you won’t have any problems fixing it in your engine. You can expect excellent performance with this premium plug. It offers better engine idle stability, better acceleration, and longer life. This spark plug improves your fuel economy. Its fine wire electrode allows for more effective combustion of gases and reduces power consumption. The plug blocks radio signals that may affect your vehicle’s electronics. You will be glad to know that their spark plugs match the Original Equipment specifications for GM cars. This plug can be used on other cars too. You should check your owner’s manual to know plugs that are compatible with your car. ACDelco offers a 7-year warranty on its spark plugs. This is a testament to the quality of their products.
Last updated on August 25, 2023 12:41 pm
Best seller 2 ACDelco NGK TR5IX Spark Plug
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ACDelco NGK TR5IX Spark Plug

The ACDelco NGK TR5IX is a powerful plug for a powerful engine. NGK spared no expense when making this spark plug.  What you get here is a plug with an iridium electrode. It has a fine wire center electrode that provides consistent sparks and ...

The ACDelco NGK TR5IX is a powerful plug for a powerful engine.

NGK spared no expense when making this spark plug.  What you get here is a plug with an iridium electrode. It has a fine wire center electrode that provides consistent sparks and reduces fuel consumption.

Spark plugs with Iridium electrodes are of superior quality. Nickel and platinum electrodes can’t compare to it. Iridium is harder, more durable, and more resistant to heat than nickel and platinum. This translates to longer life, better fuel consumption, and more power. Like most spark plugs, it uses a copper core.

It comes pre-gapped for an easy fix. It has a trivalent metal plating that provides corrosion resistance and anti-seizing for quick and easy removal. Its ribbed protection shield eliminates flashovers and misfires.

$43.49
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Last updated on September 13, 2023 2:09 am
Best value 3 DENSO 4504 TT Spark Plug
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DENSO 4504 TT Spark Plug

The DENSO  4504 TT shows us their cutting edge technology with its twin tip design. This design offers improved ignitability and reliability. Platinum plugs give great performance and satisfactory life. Denso #4504 is no exception. This spark plug ...

The DENSO  4504 TT shows us their cutting edge technology with its twin tip design.

This design offers improved ignitability and reliability. Platinum plugs give great performance and satisfactory life. Denso #4504 is no exception. This spark plug is capable of exceeding 60,000 miles.

Having a great spark plug like this improves your fuel economy, provides better acceleration, and prevents misfires.   It is pre-gapped so fixing it in your engine won’t be a hassle. Unless your vehicle’s engine specifically requires nickel electrode plugs to run, it is a great buy.

The Denso TT spark has a platinum-titanium design. Unlike most conventional platinum electrodes, the Denso plug #4504 uses a titanium enhanced alloy for its ground electrode. This electrode-ground electrode combo gives more resistance to erosion and corrosion.

$20.98
$27.82
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Last updated on August 25, 2023 12:37 pm
Best value 4 Champion RJ19HX (973) Copper Plus Small Engine Spark Plug
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Champion RJ19HX (973) Copper Plus Small Engine Spark Plug

Champion RJ19HX (973) Copper Plus Small Engine Spark Plug is perfectly fine for small engines. Includes also engines that specifically require a copper-nickel spark plug. It has a nickel alloy electrode. It offers satisfactory performance. Its ...

Champion RJ19HX (973) Copper Plus Small Engine Spark Plug is perfectly fine for small engines.

Includes also engines that specifically require a copper-nickel spark plug. It has a nickel alloy electrode. It offers satisfactory performance. Its copper core works just fine for removing heat and improving lifespan and performance. 

Champion adheres to the toughest industry standards such as ISO and SAE standards The champion R119HX  plug comes with admirable corrosion resistance.

The spark plug, like others on this list, comes pre-gapped. Some gapped spark plugs do not fit as they should. This problem can be resolved with the help of a mechanic. You can also do this yourself with some ingenuity and knowledge.

Last updated on August 25, 2023 12:41 pm
Best value 5 Bosch 9602 Double Iridium Spark Plug
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Bosch 9602 Double Iridium Spark Plug

Bosch 9602 Double Iridium Spark Plug is a premium spark plug on our list.  You should expect nothing less than the best of performance and life on this spark plug. The fuel consumption, throttle, and idle engine stability won't be a problem with ...

Bosch 9602 Double Iridium Spark Plug is a premium spark plug on our list.

 You should expect nothing less than the best of performance and life on this spark plug. The fuel consumption, throttle, and idle engine stability won’t be a problem with this plug.

It uses an incredible 0.6mm firing pin. A 360-degree continuous welding process to achieve this fine level of detail. This design reduces voltage requirements and is one of the reasons fuel consumption is reduced.

The copper core on this spark plug allows for better heat dissipation. You can forget about flashovers because its ribbed insulation design makes sure of this. It is pre-gapped so fixing it in your engine shouldn’t be too much trouble.

Iridium spark plugs last 4 times as long as common sparks. To no surprise, you get 7 years of warranty when you buy the BOSCH 9607 Iridium spark plug.

Last updated on August 25, 2023 12:42 pm
Editor choice 6 Champion RC12YC Spark Plug
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Champion RC12YC Spark Plug

A champion RC12YC spark plug is a budget-friendly plug with a decent performance. If you require a copper-nickel spark plug for your engine, then this is a fine fit.   It uses a Nickel-alloy electrode. Although it is not the best plug for ...

A champion RC12YC spark plug is a budget-friendly plug with a decent performance.

If you require a copper-nickel spark plug for your engine, then this is a fine fit.

  It uses a Nickel-alloy electrode. Although it is not the best plug for performance, at this price range we can’t really complain. 

The RC12YC uses a Patented SAC-9 semi-conductor resistor for suppressing RFI & EMI. Your engine won’t be affected by radio interference. The copper on this spark plug works well for heat dissipation, and it prolongs the life and maintains performance.

The champion RC12YC spark plug has good resistance to corrosion. The TinTac and ULTRASEAL shell perfectly for this. This plug is built to ISO and SAE standards and they make for good replacement plugs. The champion RC12Y plug is nowhere close to platinum plugs in terms of performance, but it is a good spark plug overall.

$11.53
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Last updated on October 2, 2023 1:32 pm
Best seller 7 NGK 5798 BR2LM Standard Spark Plug
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NGK 5798 BR2LM Standard Spark Plug

The NGK 5798 BR2LM Spark Plug standard spark plug is for those who need a good copper-nickel plug. You should not compromise if your engine needs a platinum or iridium spark plug. Doing this will damage your engine. Like other NGK spark plugs on ...

The NGK 5798 BR2LM Spark Plug standard spark plug is for those who need a good copper-nickel plug.

You should not compromise if your engine needs a platinum or iridium spark plug. Doing this will damage your engine. Like other NGK spark plugs on this list, this plug has an aluminum silicate ceramic. This ceramic provides strength and terrific heat insulation

Copper, only to be bested by silver, is a superb conductor of heat and electricity. That is why the core of this spark plug is made of copper. The NGK BR2LM spark plug has a ribbed insulation design. This strategic design eliminates flashovers.

The seal on the NGK BR2LM spark plug is coated with a trivalent metal. This coating is the protective layer that prevents corrosion and gives it its anti-seizing property. Its triple gasket seal prevents gas leakages. The NGK BR2LM stands out from other standards as one of the very best.

$11.10
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Last updated on August 25, 2023 12:34 pm
Best seller 8 NGK (6965) CR6E Standard Spark Plug
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NGK (6965) CR6E Standard Spark Plug

NGK (6965) CR6E gives a good spark plug with a decent performance with this model It is one of the few copper-nickel plugs mentioned on this list and you can be sure it is of good quality.  NGK has a reputation for providing solid spark plugs with ...

NGK (6965) CR6E gives a good spark plug with a decent performance with this model

It is one of the few copper-nickel plugs mentioned on this list and you can be sure it is of good quality.  NGK has a reputation for providing solid spark plugs with a stellar performance. It has all the features you would expect from a spark plug in this category. It performs better with heat than its counterparts. The Aluminium ceramic present here helps with heat transfer and provides electrical insulation.

The Nickel electrode performs well for a copper spark plug. To no surprise, it has a copper core which also helps to transfer heat and electricity. Its long insulator nose prevents carbon buildup and pre-ignition. This is particularly useful for having a good engine.

Thanks to the zinc coating on the shell, this spark plug is corrosion proof. There won’t be gas leakages in this spark plug. It has a patented triple gasket seal that prevents it.

$9.77
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Last updated on September 7, 2023 7:28 am
Editor choice 9 Bosch YR7MPP33 Double Platinum Spark Plug
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Bosch YR7MPP33 Double Platinum Spark Plug

Bosch YR7MPP33 Double Platinum Spark Plug is a pricey platinum plug. Nonetheless, it will give you what you want in a fantastic spark plug. Bosch engineers high-performance spark plugs. Platinum electrodes last longer than Nickel electrodes. ...

Bosch YR7MPP33 Double Platinum Spark Plug is a pricey platinum plug.

Nonetheless, it will give you what you want in a fantastic spark plug. Bosch engineers high-performance spark plugs. Platinum electrodes last longer than Nickel electrodes.

They are more resistant to heat and are less prone to degradation. The performance of this spark plug is stellar. It won’t match an iridium spark plug. Iridium spark plugs are too powerful for some engines, so you may waste money trying to go all out.

It has a fine wire platinum electrode. This design of the electrode improves ignitability and reduces fuel consumption. This Bosch plug handles heat transfer very efficiently with its copper core. The ground electrode has a tapered design and is titanium enhanced to resist degradation.

The Nickel plating on this spark plug provides good resistance to corrosion. The ribbed insulator design improves heat transfer and prevents flashovers. This pack comes with 6 spark plugs. If you do not mind the price it is a good buy.

Last updated on August 25, 2023 12:43 pm
Best price 10 Spark Plug NGK TR5IX Quicksilver
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Spark Plug NGK TR5IX Quicksilver

The Spark Plug NGK TR5IX is a powerful plug for a powerful engine. NGK spared no expense when making this spark plug.  What you get here is a plug with an iridium electrode. It has a fine wire center electrode that provides consistent sparks and ...

The Spark Plug NGK TR5IX is a powerful plug for a powerful engine.

NGK spared no expense when making this spark plug.  What you get here is a plug with an iridium electrode. It has a fine wire center electrode that provides consistent sparks and reduces fuel consumption.

Spark plugs with Iridium electrodes are of superior quality. Nickel and platinum electrodes can’t compare to it. Iridium is harder, more durable, and more resistant to heat than nickel and platinum.

This translates to longer life, better fuel consumption, and more power. Like most spark plugs, it uses a copper core.

It comes pre-gapped for an easy fix. It has a trivalent metal plating that provides corrosion resistance and anti-seizing for quick and easy removal. Its ribbed protection shield eliminates flashovers and misfires.

$7.10
$11.93
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Last updated on August 25, 2023 12:44 pm
Best value 11 Champion RC12YC 71 Spark Plug
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Champion RC12YC 71 Spark Plug

Champion RC12YC 71 is the first standard plug from Champion on this list.  It uses nickel alloy for its electrode. This should be perfectly suited for small engines. It is a dependable and durable spark plug. The core of the spark plug is made ...

Champion RC12YC 71 is the first standard plug from Champion on this list. 

It uses nickel alloy for its electrode. This should be perfectly suited for small engines. It is a dependable and durable spark plug.

The core of the spark plug is made of copper as well. It has a semiconductor that prevents EMI and RFI. 

This spark plug is well protected from corrosion. It has a TinTac and an ultra seal shell for protection. The Champion RC12YC spark plug is built to ISO and SAE standards for dependable performance. 

It is a good plug for its price. It comes with 6 plugs in a pack.

$21.74
$23.32
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1 used from $15.09
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Last updated on September 20, 2023 11:45 pm

Best Spark Plugs Buying Guide & FAQ

Alright! Before starting the roller coaster, let’s understand the basics. Spark plugs are essential components of your car that produces electric sparks to get your engine started. They are responsible for emitting electric current to begin the combustion process.

What Does a Spark Plug Do?

Spark Plugs can affect the performance, fuel economy, and overall health of a car or engine. They are made to suffer extreme heat and pressure that comes right out of your car’s cylinders. Plus, they are needed to burn off fuel additives and other deposits to make sure your car runs hassle-free.

how a spark plug works

Therefore, no spark plug means going nowhere as the car won’t start at all! So, now you can guess how important silver spark plugs are and how severely they are related to your engine’s overall performance. 

What Are the Best Spark Plugs?

However, some companies even manufacture nickel spark plugs and silver spark plugs. So when buying a new spark plug, make sure it falls under any one of the mentioned materials. Nevertheless, most spark plugs in cars are made of iridium and platinum.

best brands of spark plugs

Ngk Iridium Spark Plugs

Undeniably, the NGK spark plugs are amazing. The brand is known for producing iridium, single and double platinum, and copper top-notch quality plugs that boost engine’s performance. And the best part is that this company uses advanced technology to assure spark plugs’ compatibility with modern engines, as well as, old car models. 

ACDelco Spark Plugs

Looking for some original equipment manufacturer (OEM) plugs? If yes, then ACDelco is your gateway to have Gold (Professional), and GM original spark plugs for your car. The company offers a wide range of spark plugs including iridium, and single and double platinum products that come with the latest features and limited warranty.

Denso Spark Plugs

Upgrading your car’s speed and engine performance without spending a fortune seems impossible, right? But not if you’re choosing Denso spark plugs for cars. Denso is serving car-admirers for several years by providing iridium and platinum plugs equipped with TT technology to make drivers’ experience improved acceleration and durable performance.

Champion Spark Plugs

The brand has been in the limelight since 1907. And since its inception, the company is providing premium quality plugs for moderate drivers and diehard racers. The brand produces high-grade iridium, platinum, and copper spark plugs, which are famous among all young and old car lovers.

Bosch Spark Plugs

While most spark plug brands focus on two or three types, Bosch seems to be taken the car world by storm. How? Because of its product line. Whether you want copper, platinum, silver, or iridium spark plugs, Bosch Auto Parts has everything for you. And surprisingly, the company has extended even simple iridium plugs into double iridium for unbeatable results.

What Tools are Needed To Change Spark Plugs?

This is a question that haunts many beginners who gather the courage to go for spark plugs change on their own for the first time. Nevertheless, if you have excellent spark plug tools, you can surely complete the job successfully. So before going for spark plugs replacement, you should already be acquainted with such tools to change spark plugs as:

  • Gap tool spark plugs
  • Spark plugs tester
  • Wires for spark plugs
  • Sockets for spark plugs

Once you know how to use all these tools, you have to look for problems with spark plugs for an accurate diagnosis. Otherwise, spark plugs replacement costs would be way too heavy on your pocket due to the wrong inspection. 

When To Replace Spark Plugs and Wire?

  • There’s an engine oil on spark plugs or anywhere around the spark plugs wires
  • There’s gas leakage from the exhaust pipe
  • Your car doesn’t start at all
oil leaks into spark plugs
Before you buy new spark plugs for your car never avoid looking for spark plugs cross-references and if you find the new spark plugs with oil just after a few miles, you should immediately get help from a professional car mechanic.

How To Install Spark Plugs?

  • Remove the old spark plug by using a spark plug socket and clean the plughole with a thin dry soft cloth
  • Now use the oil dipstick to oil spark plug threads
  • Carefully, install the plug into the engine’s cylinder using your hand by revolving it clockwise and then tighten it using the socket 
  • Now use a Dielectric Grease on the inside of the main wire and push it on the plug
  • Repeat the same process to install or change the rest of the spark plugs
installing spark plugs

Summary

By keeping timely your car in a good condition, checking the ignition system, and periodically change the spark plugs you can save on unplanned repair by spending money on more worthwhile things. You should be following all the rules for operating a vehicle. The goal of our team is to advise car fans who are trying to sort out the breaking of the car.

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