Best Spark Plugs for Hyundai Elantra

If your Elantra is not working smoothly and getting a slow engine start, then it’s time to change the spark plug of your car. The main reason why any car engine doesn’t start instantly is because of weak spark plugs that can’t keep sparking well. 

Specifically, the spark plugs for Hyundai Elantra are only required in such conditions because Hyundai sedan models have some exceptional criteria for plug capacities.

Elantra models are quite compact and perfect on rough routes. These cars have strong engines with powerful pistons and torque functioning. For these, you can’t negotiate the purchase of a good spark plug. Below, we are focusing on some options to replace your car’s pre-installed spark plugs.

Best Spark Plugs for Hyundai Elantra

What Features should be Considered before buying the best spark plugs for Hyundai Elantra?

Before buying a new spark plug, most of ask ourselves whether the new one can work better than the base plug already installed. Actually, new ones can work well if you choose the right OEM type that fits with your car. 

In search of the best Hyundai spark plugs, you should know the early considerations first. Otherwise, you can never narrow the search to find the right one easily.

Spark plug type: 

There are mainly a few types of material used in the construction of the spark plugs. The very available spark plugs along with the cheapest is the copper spark plugs but doesn’t provide much more durability. But Bosch 9619 is an exception here among copper plugs for being a bit more durable.

Spark plugs made with iridium are meant to be the most durable and advanced for your Hyundai vehicles. Platinum, double platinum spark plugs also provide better result. So, due you’re your vehicle condition, you have to choose what type will be the best for you. 

Heat Range:

Depending on the ambience of your living or driving places, the heat range of the spark plug matters. There are two types of spark plugs: Hot plug and Cold plug. 

In order to keep the firing tip hotter, hot plugs are best to use. Hence, cold plugs are comparatively transfer the heat quickly in order to hold the firing tip a lot cooler. 

Compatibility:

When to opt for your spark plugs, you must check the manufacture’s manual, given for your vehicle. Your required plug should be absolutely compatible for your vehicle. So, before selecting one, double check this.

What are the Best Spark Plugs for Hyundai Elantra?

Product Name
6 PCSNEW -- DENSO #4503 PLATINUM T T Spark Plugs -- PK16TT
NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix), 4...
Bosch Automotive (9619) OE Fine Wire Double Iridium Spark...
NGK (9723) SILZKR7B11 Spark Plug - Pack of 4
Hyundai Elantra Touring Gt 2012 2013 I30 Spark Plug Genuine...
Genuine OEM 18846-11070 Spark Plug 4pcs set / 1884611070 for...
Preview
6 PCSNEW -- DENSO #4503 PLATINUM T T Spark Plugs -- PK16TT
NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix), 4...
Bosch Automotive (9619) OE Fine Wire Double Iridium Spark...
NGK (9723) SILZKR7B11 Spark Plug - Pack of 4
Hyundai Elantra Touring Gt 2012 2013 I30 Spark Plug Genuine...
Genuine OEM 18846-11070 Spark Plug 4pcs set / 1884611070 for...
Dimensions
‎3.62 x 5.76 x 0.96 inches
‎ 4.06 x 3.98 x 0.94 inches
‎5 x 4 x 1 inches
37.4 x 9.84 x 8.27 inches
‎ ‎4.1 x 3.6 x 1.1 inches
3.46 x 0.98 x 0.87 inches
Weight
1.44 Oz.
6.4 Oz.
0.8 Oz.
1.14 Oz.
4.8 Oz.
1.44 Oz.
Core Material
Platinum
Iridium
Iridium
Iridium
Iridium
Iridium
Fit Type
Car
Vehicle specific
Vehicle specific
Vehicle specific
Car
Car
Product Name
6 PCSNEW -- DENSO #4503 PLATINUM T T Spark Plugs -- PK16TT
Preview
6 PCSNEW -- DENSO #4503 PLATINUM T T Spark Plugs -- PK16TT
Dimensions
‎3.62 x 5.76 x 0.96 inches
Weight
1.44 Oz.
Core Material
Platinum
Fit Type
Car
Product Name
NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix), 4...
Preview
NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix), 4...
Dimensions
‎ 4.06 x 3.98 x 0.94 inches
Weight
6.4 Oz.
Core Material
Iridium
Fit Type
Vehicle specific
Product Name
Bosch Automotive (9619) OE Fine Wire Double Iridium Spark...
Preview
Bosch Automotive (9619) OE Fine Wire Double Iridium Spark...
Dimensions
‎5 x 4 x 1 inches
Weight
0.8 Oz.
Core Material
Iridium
Fit Type
Vehicle specific
Product Name
NGK (9723) SILZKR7B11 Spark Plug - Pack of 4
Preview
NGK (9723) SILZKR7B11 Spark Plug - Pack of 4
Dimensions
37.4 x 9.84 x 8.27 inches
Weight
1.14 Oz.
Core Material
Iridium
Fit Type
Vehicle specific
Product Name
Hyundai Elantra Touring Gt 2012 2013 I30 Spark Plug Genuine...
Preview
Hyundai Elantra Touring Gt 2012 2013 I30 Spark Plug Genuine...
Dimensions
‎ ‎4.1 x 3.6 x 1.1 inches
Weight
4.8 Oz.
Core Material
Iridium
Fit Type
Car
Product Name
Genuine OEM 18846-11070 Spark Plug 4pcs set / 1884611070 for...
Preview
Genuine OEM 18846-11070 Spark Plug 4pcs set / 1884611070 for...
Dimensions
3.46 x 0.98 x 0.87 inches
Weight
1.44 Oz.
Core Material
Iridium
Fit Type
Car

From our experience riding on Elantra cars, we can say that they are quite sturdy sedans with high-quality builds. But they might start to lose the flaw for the lack of ignition. 

Recently, automobile experts are suggesting DENSO 4503 and Bosch 9619 spark plus for most Hyundai cars. As they feature both fuel efficiency and consistency, we also prefer them to others. 

Apart, there are some other options also that can be budget-friendly along with being quick sparkers. To help you out to get the best one, we have come with 7 of the best spark plugs for your sedan.

Top 7 Best Hyundai Spark Plugs

DENSO-4503 Platinum T T Spark Plugs

6 PCSNEW -- DENSO #4503 PLATINUM T T Spark Plugs -- PK16TT

DENSO Platinum plugs offer users much more than the regular platinum spark plug. The cutting-edge technology in the special platinum-titanium design is super effective. 

Durability: 

This product features 1.1 millimetres platinum on the center electrode that surely increases the durability. Besides, the presence of titanium-enhanced alloy on the ground electrode minimizes tip erosion. So, this new generation Denso Platinum Hyundai Elantra spark plugs are extremely durable without any doubt. 

Fuel Efficiency: 

The twin tip design of these spark plugs (platinum and titanium) works most efficiently to prevent erosion. Thus, this special design increases fuel efficiency. Also, corrosion and erosion are observed at the minimum throughout the structure. 

Warranty: 

The best part of this spark plug is the manufacturer offers one year warranty with an easy replacement policy. Manufacturers don’t usually offer a warranty but DENSO does!

Pros
  • The Platinum spark plug is capable of working more than 60,000 miles.
  • The structure reduces tip erosion.
  • It helps to start the engine faster.
  • The proper gap (1.1mm) enhances flame propagation.
Cons
  • The product is only for the new generation Hyundai Elantra.

NGK-11S Iridium Spark Plug

NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix), 4...

If your vehicle has a high-performance engine, then apart from Iridium spark plug noting works better. In our top list, this NKG-11S spark plug is the one that may suit you the best. 

Durability: 

The Iridium alloy of this spark plug offers extremely high durability. The fine wire center has a 0.6 mm laser welded gap, meaning the iridium tip ensures extreme durability. Besides, it has the highest melting point, enhancing the stability to heat the electrical wear. 

Easy to Install: 

To install and remove, the product is completely effortless. Though replacing spark plug is no big issue yet our experts have recommended this one is the easiest of all. There is no necessary adjustment needed for this product. 

Less Voltage Consumption: 

This spark plug is designed for the highest performance enthusiast. So, the center iridium electrode is very small which means, for ignition, the lowest voltage is required. It results in the conductivity of electricity in an efficient way. 

Pros
  • The resistor value is 5k ohm that provides more anti-erosion.
  • The trio-gasket seat excludes ignition gas leakage.
  • The manufacture offers improved throttle responses.
  • The electrical dousing effect is finely minimized by the ground electrode.
Cons
  • This NGK-11S spark plug is pretty expensive.

Bosch 9619 Double Iridium Spark Plug

Bosch Automotive (9619) OE Fine Wire Double Iridium Spark...

If you are searching for a spark plug with the highest lifespan, then this Bosch double iridium spark plug is the best option. 

Durability:

With 360 degrees constant laser welding, this spark plug offers 4 times more durability than other available spark plugs in the market. Also, this fuses the iridium firing pin to the base. Our one of the most durable products on the list, very effective for factory uses.

Fuel Efficiency:

Because of the copper core ground electrode of this spark plug, it delivers a wide heat range, thus reduces the pre-ignition and fouling. The special fine wire firing pin helps to drop the high voltage requirement at the time of producing consistent sparklings. So, the users have a great fuel economy. 

High-Performance Spark Plug:

Throughout the highest possible durability, the spark plug is considered high performance and runs up to 60,000 miles without any failure. The double iridium ultra-fine wire design provides strength.

Pros
  • The proper gap of 0.6 mm of this product provides more ignitability.
  • This is compatible with different models of cars.
  • The manufacturer promises about 7 years of performance satisfaction.
  • There is no gapping needed while installing.
Cons
  • The manufacture doesn’t offer any replacement warranty for uneven issues.

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NGK SILZKR7B11 Laser Iridium Spark Plug

NGK (9723) SILZKR7B11 Spark Plug - Pack of 4

This is another finest product from NGK manufacturer that will give the users ultimate satisfaction. The NGK laser iridium spark plug offers high performance to its users.

Lower Emission:

The spark plug is designed with the special trivalent metal plating that causes lower emission. Besides, the feature is superior for anti-corrosion as well as anti-seizing. Due to lower emissions, users got better fuel economy than the old spark plug. 

Durability: 

The combination of a laser-welded iridium center electrode and a platinum disc welded ground electrode make the whole spark plug extremely durable. Users can use them longer than any other spark plugs in the market. It runs more than 100,000 miles without any problem. 

Quicker Ignition:

Experts’ opinion is this spark plug offers the users faster starting and quicker acceleration of the vehicle. This is a bonus for the users. The combustion of gas leakage is counted minimum because of the triple gasket seal. 

Pros
  • The laser-welded center iridium electrode enhances the longevity of the spark plug.
  • It offers the users faster ignition than any other spark plug.
  • This spark plug enhances quick heat transfer.
  • It comes pre-gapped and can be installed in minutes.
Cons
  • This one is compatible with selected vehicles.

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Hyundai Elantra Touring Spark Plug (Gt 2012 2013 I30)

Hyundai Elantra Touring Gt 2012 2013 I30 Spark Plug Genuine...

If your Hyundai Elantra is of an old model then this Hyundai Elantra touring spark plug is the right one for you. 

Quick Ignition: 

The center electrode is actually a v-grooved nickel alloy that tends to spark very near to the fuel-air mixture. It means the quicker ignition is possible! The placement of a genuine nickel-tripped plug is perfect thus enhances ignitability. 

Damage Prevention: 

This product has super-effective cold-rolled threads that help to prevent possible damage to the cylinder head. The damage prevention means less wear and no chances of losing it in the mid-way of driving! 

Five-rib Insulator: 

Often cars cause harmful misfires! But not with this special spark plug.  This premium quality product features a unique five-rib insulator. This insulator helps to prevent spark flashover. Due to spark flashover, the accidents like misfires cause. So, this also provides the user ultimate safety.

Pros
  • The OE spark plug features an alumina silicate ceramic insulator, giving max strength.
  • This product is created with the function of better heat transfer over OEM.
  • The solid copper core increases the conductivity of your vehicle.
Cons
  • With this spark plug, users can run up to only 30,000 miles.

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Genuine Hyundai (18846-11070) Spark Plug {might be same as product 4}

Genuine OEM 18846-11070 Spark Plug 4pcs set / 1884611070 for...

No matter what type of Hyundai vehicle you drive, if you are looking for an OEM Hyundai spark plug, then this is the right option for you. 

Budget-Friendly: 

This spark plug is built with only OE materials, yet the users can get it at an affordable price. So, if you are looking for something good for your Hyundai but at a cheaper rate, then you can opt for this one. 

Center Electrode Tip material:  

The center electro dip is created with laser welded iridium, which provides consistency along with a stable spark. It also offers fair durability to the users. 

Pros
  • The manufacturer offers 12 months limited warranty.
  • The spark plug is compatible with any model of Hyundai Elantra.
  • The pre-gapped feature helps for easy installing.
Cons
  • This product is not built with advanced features.

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Autolite XP5702 Iridium XP Spark Plug

Autolite Iridium XP Automotive Replacement Spark Plugs,...

Autolite Iridium XP spark plug comes with 4 pieces in a set that is absolutely budget-friendly to the users. Despite being the cheapest on our list, this is one of our top products to show. It rarely disappoints the driver.

Wear Resistance:

This product is specially designed with the patented V-trimmed platinum side wire function that resists wear. This is totally helpful for the longevity of the spark plug. 

Ignitibility Performance: 

The manufacturer has improved the quality of this spark plug a lot. The fine wire center electrode improves the overall ignitibility performance. The user can enjoy a smooth driving experience! 

Easy to install:

The spark plug is super easy to install, users can fit it just within a few minutes. Also, this comes pre-gapped, with no hassle for external gapping or drilling! You can instantly change your car’s damaged spark plug with this one.

Pros
  • The manufacturer has designed its OE equivalent for every engine.
  • It comes with an attached motor seat gasket.
  • Iridium-platinum alloy is created for better ignitibility
  • The terminal nut is also pre-installed for easy usage.
Cons
  • This product is less durable compared to others.

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How to Choose the best spark plugs for Hyundai Elantra ?

Even after knowing what are the best picks available in the market, a good buying guide can be helpful sometimes. That’s why we are putting a short guide below to follow for making the right decision.

Durability:

Surely, the durability of the spark plugs depend on the construction material and iridium is the best material for that. We have Bosch 9619 Double Iridium Spark Plug, that is the most durable product in our list and so do the price. 

Platinum, double platinum, copper spark plugs offer fair durability. So, while buying decide which one you want to buy. 

Pre-gapped Facility: 

The whole 7 products in our list are pre-gapped. Yet before buying one, you need to check the gap and nut size. Not every spark plug is compatible for every vehicle. So, In the manufacture’s manual you will find all the necessary information. 

Price: 

Last but not out of the list, the budget is highly recommended to be checked. The most budget friendly product here is the DENSO-4503 Platinum T T Spark Plugs with overall better performance. You can also search for the cheaper spark plugs but the main hassle is you need to change them quite often. 

Frequently Asked Questions (FAQs)

What brand of spark plugs does Hyundai use?

The OEM Hyundai spark plugs are usually provided by NGK and Denso manufacturers. Their spark plugs are certified and each one is tasted! 

How long do Hyundai spark plugs last?

The good-quality spark plugs can run at least 60,000 miles. Also, spark plugs with high-quality performance will last up to 100,000 miles. There is no year guarantee, depending on the driving habit, it varies. 

What mileage should spark plugs be replaced?

It completely depends on what type of spark plug you are using. The OEM spark plugs may have to replace one every 60,000 miles. This is a general opinion that the spark plugs should be checked on every 30,000 to 90,000 miles. 

But if your vehicle is struggling to start, down fuel economy, not accelerating quickly, making purr-like noises from the engine, lighting on check engine, then it is time to replace the spark plugs. 

Should you replace all spark plugs at once?

Yes! In order to get a consistent level of your vehicle performance, it is healthier for your engine to change all your spark plugs at the same time. Otherwise, the overall performance may get down and it will cause you more expenses too. 

Should I replace ignition coils with spark plugs?

Well, this is not necessary sometimes! Time and mileage are the biggest trouble for your vehicle’s ignition coils and wires. The spark plug wires pass on the spark from the ignition coil to the plugs that ignite the fuel-air mixture in the combustion chamber. So, this is better to inspect the ignition system, then replace the ignition coils. 

Sum Up

People always look for good alternators, radiators, batteries, exhausts, etc. every now and then to make their cars more efficient and smoother. But they never focus on spark plugs as much as they focus on other stuff. 

Though spark plugs aren’t required to be changed very often, you should know the current situation of the installed plug in your car. If it gets damaged, burnt, or jammed, your car can become slow and rusty like a tractor. So, make sure to do some maintenance of the spark plug and replace it if necessary.

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