Which is better, Denso or NGK iridium spark plugs?
When it comes to spark plugs, two of the most popular and reliable brands are Denso and NGK. Both offer iridium spark plugs, which are known for their superior performance and longevity. However, the question remains: which brand is the better choice? Let's dive into the details to help you make an informed decision.
Iridium Spark Plugs: A Brief Overview
Iridium spark plugs are a premium type of spark plug that feature an iridium alloy center electrode. Iridium is an extremely hard and durable metal, which allows these spark plugs to withstand higher temperatures and last significantly longer than traditional copper or platinum spark plugs. Iridium spark plugs are often recommended for high-performance engines, as they can provide improved fuel efficiency, better acceleration, and smoother idling.
Denso Iridium Spark Plugs
Denso is a well-known Japanese automotive parts manufacturer, and their iridium spark plugs are highly regarded for their quality and performance. Denso iridium spark plugs feature a fine-wire design, which allows for a more precise and efficient spark, resulting in improved combustion and better engine performance. Denso spark plugs are known for their long lifespan, with some models rated for up to 100,000 miles of use.
NGK Iridium Spark Plugs
NGK, another Japanese automotive parts manufacturer, is also a leader in the iridium spark plug market. NGK iridium spark plugs are known for their exceptional durability and consistent performance. NGK's iridium spark plugs feature a unique laser-welded design, which helps to ensure a strong and reliable spark throughout the life of the plug.
Comparing Denso and NGK Iridium Spark Plugs
Both Denso and NGK iridium spark plugs are excellent choices, and the decision ultimately comes down to personal preference and the specific needs of your vehicle. Here are some key factors to consider:
- Lifespan: As mentioned, Denso spark plugs are rated for up to 100,000 miles, while NGK's lifespan is also impressive, with many models lasting 80,000 miles or more.
- Performance: Both brands offer high-performance iridium spark plugs that can improve fuel efficiency, acceleration, and engine smoothness. The differences in performance are often minimal.
- Compatibility: It's important to ensure that the spark plugs you choose are compatible with your vehicle's make, model, and engine. Both Denso and NGK offer a wide range of options to fit most applications.
- Price: Denso and NGK iridium spark plugs are generally priced similarly, with both brands offering premium-quality products at a comparable cost.
Ultimately, both Denso and NGK iridium spark plugs are excellent choices, and the decision will likely come down to personal preference, vehicle compatibility, and any specific performance needs you may have. Either brand will provide you with a reliable and long-lasting spark plug solution for your vehicle.
Which brand spark plug is best?
Bad spark plugs undermine your engine's performance. Some of the best spark plug brands are NGK, Bosch, AC Delco, Denso, Champion, and GenuineXL. Factors you should consider when purchasing new spark plugs are the thread size, recommended use, and cost.
Is NGK made by DENSO?
Denso is part of Toyota. NGK is their own company.
What is the highest quality spark plug?
Platinum spark plugs boast longevity and resistance to fouling. Since platinum is harder, it holds its sharp edge much longer than a conventional spark plug, up to 100,000 miles. Platinum spark plugs come in two varieties - single and double platinum.
How long do DENSO iridium spark plugs last?
60,000 to 80,000 miles
Denso Iridium Power series has an iridium center electrode with a traditional nickel ground electrode construction. Therefore, the ground electrode will wear out first. Typically we have found you can expect to get 60,000 to 80,000 miles on an unaltered motor.
Which iridium spark plug is better, NGK or DENSO?
Denso vs NGK Plug: Which One Is Better? It is hard to pull out a winner in the NGK vs Denso debate since both are iridium spark plugs and offer almost similar performance. Denso plugs are installed on almost every automobile model manufactured in Japan. The iridium used in them has a superior hardness.
Do I need to gap Denso iridium spark plugs?
Before attempting to gap any DENSO Iridium Power spark plug, please review the specification chart in the front of this catalog to verify the factory-preset gap. In most cases your Iridium Power plugs do not need to be gapped.
Do NGK iridium spark plugs increase horsepower?
With a fine iridium electrode, these spark plugs provide a more efficient and stable spark, leading to improved engine performance and fuel efficiency. This makes them a preferred choice for those looking to get the most out of their high-performance engines.
Are Denso iridium power spark plugs good?
IRIDIUM POWER has a low required voltage and a high ignitability, resulting in less misfiring and no spark, the outcomebeing a dramatic improvement in combustion. Engine output is thus increased.
Are DENSO spark plugs made in China?
All DENSO Spark Plugs are manufactured in Japan, Indonesia, China and USA. If a part claims to be a DENSO component but has been manufactured outside of these areas, then it is not genuine. Counterfeit spark plugs may also have subtle differences in the logo placement.
What are the disadvantages of iridium spark plugs?
Cons of Iridium Spark Plugs
- Iridium spark plugs are much more expensive than platinum and copper spark plugs.
- In terms of like-for-like performance, an iridium spark plug is on par with a good quality platinum spark plug, which is usually available for less money.
