How to Choose the Best Iridium Spark Plugs 2018 Ultimate Buying Guide and Reviews

Home » Replacement Parts »

Best Iridium Spark Plugs
Our team have been testing many products from marketplace and finally have found the best iridium spark plugs on the market. You can find the whole list of them below.

Our TOP list of the best iridium spark plugs is absolutely unbiased. We had to buy and test many various goods just to help our clients choose the best iridium spark plugs possible. We hope that you will like our TOP list!

6 Best Iridium Spark Plugs of 2018

Rating Image Name and Features Details
5.0
Ngk 7397 Tr5ix Iridium Ix Spark Plug 1. Ngk 7397 Tr5ix Iridium Ix Spark Plug (Editor’s Choice)
The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect.
Read reviews
4.5
Ngk 5464 Bkr5eix-11 Iridium Ix Spark Plug 2. Ngk 5464 Bkr5eix-11 Iridium Ix Spark Plug
The 0.6 millimeter laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect.
Read reviews
4.3
Acdelco 41-110 Oem Gm 12621258 Professional Iridium Spark Plug 3. Acdelco 41-110 Oem Gm 12621258 Professional Iridium Spark Plug (Best Versatility Features)
Improved cold-starting and acceleration characteristics.
Read reviews
4.3
Hivehicle Iridium Spark Plug 4. Hivehicle Iridium Spark Plug
Updated design reduce the risk of breaking off during working.
Read reviews
4.0
6 New Ngk Iridium Ix Spark Plugs 5. 6 New Ngk Iridium Ix Spark Plugs
Plugs feature a fine-wire iridium center electrode and nickel-alloy ground electrodes for maximum engine horsepower and torque.
Read reviews
3.5
6 Pcs Denso Iridium Long Life Spark Plugs 6. 6 Pcs Denso Iridium Long Life Spark Plugs
Uses the same high performance laser welding process as the high end iridium power spark plug.
Read reviews

 

 

 
 

Design
5/5
 

Versatility
5/5
 

Performance
5/5
 

Price
5/5
 
Overall Brand Model Dimensions Weight Details
5.0
NGK 7397-4PK 4.1 x 3.5 x 1 inches 2.4 ounces
Check Price

Trivalent metal plating – superior anti-corrosion and anti-seizing properties. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today’s high-performance engines. Designed specifically for the performance enthusiast, iridium ix offers extreme ignitability, improved throttle response and superior anti fouling. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect.

 

 
Top Pros
Longer insulator nose prevents fouling
Designed specifically
Trivalent metal plating
The 0.6mm laser welded fine iridium tip ensures high durability
Iridium alloy has extremely high melting point
Top Cons
Not a single flaw!
 

 

 
 

Design
5/5
 

Versatility
5/5
 

Performance
4/5
 

Price
4/5
 
Overall Brand Model Dimensions Weight Details
4.5
NGK 5464-4PK 3.4 x 0.8 x 0.7 inches 6.4 ounces
Check Price

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. The 0.6 millimeter laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today’s high performance engines. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties; part number of spark plug inside the box: bkr5eix-11.

Designed specifically for the performance enthusiast, iridium ix offers extreme ignitability, improved throttle response and superior anti-fouling.

 

 
Top Pros
Iridium alloy has extremely high melting point
Trivalent metal plating provides superior anti-corrosion
Designed specifically
Longer insulator nose prevents fouling
Top Cons
It weighs a ton!
It is too expensive for what you get.
 

What warranty should be offered with a decent iridium spark plugs?

In the most cases, two-year long warranty period is considered as optimal for iridium spark plugs. iridium spark plugshave a tendency to lose their quality with time. Replacing old iridium spark plugswith a new model is a much better option than an overpriced lifetime warranty.

 

 
 

Design
5/5
 

Versatility
4/5
 

Performance
3/5
 

Price
5/5
 
Overall Brand Model Dimensions Weight Details
4.3
ACDelco 6 x 2 x 8 inches 12.8 ounces
Check Price

Improved cold-starting and acceleration characteristics. Reduced ignition system voltage demands saves wear and tear. Latest evolution in high-performance plug electrode material and new-vehicle applications using iridium plugs continues to increase. Acdelco is an original equipment (oe) supplier and has the experience engineering and manufacturing components that achieve the highest quality standards required by vehicle manufacturers. Iridium tip for maximum resistance to spark erosion and corrosive combustion chamber environment. Spark gap remains virtually unchanged during the life of the plug for increased fuel efficiency and 12-month/12.000-mile limited warranty.

 

 
Top Pros
Latest evolution in high-performance plug electrode material
Improved cold-starting
Acdelco is an original equipment
Iridium tip
Spark gap remains virtually unchanged during
Top Cons
It quickly becomes rusty.
 

 

 
№ 4. Hivehicle Iridium Spark Plug 41-110 Pack of 8, for Chevy Gmc Cadillac Buick
 

Design
5/5
 

Versatility
4/5
 

Performance
5/5
 

Price
3/5
 
Overall Brand Model Dimensions Weight Details
4.3
HiVehicle 13.6 ounces
Check Price

High quality material: purified alumina powder insulator from germany almatis(model: hva fg q0 and full-automatic isopressing; iron shell(model: 20 08 al) and automatic welding/rolling bending; central electrode(99% nickel clad copper ) and 360 degree laser welding iridium & platinum. Reduce the risk: updated design reduce the risk of breaking off during working. Increases fuel efficiency: g-power platinum alloy spark plugs offer superior performance with improved fuel efficiency, lower emissions, and quicker starts. Increased conductivity: increased conductivity and heat control for good overall. Stability: 0.6mm laser welded fine platinum tip reduces required voltage ensuring high durability and a consistently stable spark.

Durability: trivalent metal plating offers superior anti corrosion and anti seizing properties while the triple gasket seal eliminates combustion gas leakage.

 

 
Top Pros
Increased conductivity
Increases fuel efficiency
High quality material
Top Cons
May be expensive for some people.
 

How much money should I spend for a nice iridium spark plugs?

If you want to buy the best iridium spark plugs on the market, remember that it does not have to be the most expensive one. Of course, costly models are usually good, but there is always a possibility that you can find an option with better price/quality ratio. If you want to get the most value out of your iridium spark plugs, choose wisely and consider all its characteristics, not only the price.

 

 
№ 5. 6 New Ngk Iridium Ix Spark Plugs Bkr5eix-11 5464
 

Design
5/5
 

Versatility
3/5
 

Performance
4/5
 

Price
4/5
 
Overall Brand Model Dimensions Weight Details
4.0
NGK 5464 10.4 ounces
Check Price

Trivalent metal plating has superior anti-corrosion and anti-seizing properties. Designed for fuel-injected and turbocharged engines. Plugs feature a fine-wire iridium center electrode and nickel-alloy ground electrodes for maximum engine horsepower and torque. Precision laser-welded electrode construction. Extreme performance upgrade over oem spark plugs and provide a 40.000 to 50.000 mile service life.

 

 
Top Pros
Plugs feature a fine-wire iridium center electrode
Extreme performance upgrade over oem spark plugs
Trivalent metal plating has superior anti-corrosion
Precision laser-welded electrode construction
Top Cons
The material is not flexible, so it is easy to break.
 

 

 
№ 6. 6 Pcs Denso Iridium Long Life Spark Plugs for 2008-2013 Infiniti G37 3.7l V6
 

Design
5/5
 

Versatility
5/5
 

Performance
2/5
 

Price
2/5
 
Overall Brand Model Dimensions Weight Details
3.5
Sixity Auto 11.5 ounces
Check Price

Improve engine horsepower and fuel economy over standard plugs. The same plugs factory-installed on luxury vehicles by automakers such as gm, toyota, honda and mitsubishi. Uses the same high performance laser welding process as the high end iridium power spark plug. Endures extreme temperatures greater than 4.000f associated with high-performance ignition and special fuel systems. Iridium is the most corrosion-resistant metal used in plugs today.

 

 
Top Pros
Endures extreme temperatures greater than 4.000f associated
Improve engine horsepower
Top Cons
It is too heavy for regular use.
It works well, but the price matches the quality — it is very high.
 

What exactly I should pay my special attention to when choosing a iridium spark plugs?

If you are buying a iridium spark plugs for the fist time in your life and do not really know much about it, you should always look carefully for user reviews from other customers. Learn from the experience of other people and try to find a iridium spark plugs according to its material and assembly quality.

How long does the warranty lasts for a decent iridium spark plugs?

You should buy iridium spark plugsfrom brands with customer-friendly warranty policy. Trustworthy iridium spark plugs manufacturers offer two-year or even longer warranty period. You would not have any problems in case of any issues — simply take a broken product to the service center to get it replaced or fixed.

What should I do if I receive a wrong item instead of my iridium spark plugs?

If you were unlucky enough to get a wrong or broken product, use electronic mail or international telephone to contact the customer support team. They will help you to return your money or get the right iridium spark plugs.

What factors did you consider while making the TOP list of the best iridium spark plugs?

We sincerely wanted to help our readers, so our team spent many hours comparing various iridium spark plugsfrom different manufacturers. It was not easy, since we had to find a way to include both cheap and expensive iridium spark plugsin our rating list. That is why we decided to make the price/quality ratio the determining factor. No matter what your budget is, you can use our guide to choose the best iridium spark plugs in the preferred price category.

Meet the Author
My name is Ron Hughes and I am a Electronic Solderer. I graduated from Clark University - Worcester, Massachusetts

Contact me if you have any questions:
+1 212-689-9781
ron@damremo.com
276 5th Ave Suite 704 New York, NY 10001
View on map
Follow on Youtube
We unbox and review stuff! Please subscribe to get our new reviews right in your youtube feed.

Best File Cabinet 2018 🔥 TOP 10 🔥

Best Dating Sites 2017 🔥 TOP 10 🔥

Best Dehumidifiers 2017 🔥 TOP 10 🔥
Most Read
Things You Need to Know about Best Milk Frother Heater
What is the Best Hd Attic Antenna
Discover Best Asus Monitor Vesa Mount
My Best Scissors Sharpener
2018's Best Electric Drawing Pad
2018's Best Weather Alert Radio
If you have goods for review, contact us: +1 212-689-9781 | ron@damremo.com | 276 5th Ave Suite 704 New York, NY 10001.
COPYRIGHT © 2018 · DAMREMO.COM · ALL RIGHTS RESERVED