Which is better Denso iridium or NGK iridium?

NGK Iridium IX are designed to be a standard replacement that lasts many times longer than platinum while over more consistent performance over the life of the spark plug, and with less maintenance. Denso have taken the superior hardness of Iridium and chosen to shrink the diameter of the electrode more than NGK.

Are Denso better than NGK?

Denso plugs are installed on almost every automobile model manufactured in Japan. The iridium used in them has a superior hardness. The electrode's diameter in these plugs shrinks more than an NGK. For this reason, Denso plugs won't last longer than NGK units but they will be better at producing powerful sparks.

Which is the best iridium spark plug?

NGK 6619 Iridium IX Spark Plugs snagged the top pick in our spark plug comparison because they offered the best mix of high-performance, fuel efficiency, durability, and dependability. Featuring an iridium construction, these high-quality spark plugs provide a longer lifespan than copper and platinum spark plugs.

How long does Denso Iridium last?

All Denso long life iridium spark plugs are an OEM design, made for a specific engine. Some feature a special resistor or electrode design, depending on the OE requirements. In their OE application, Denso's long life plugs can last up to 120,000 miles.

How long do NGK iridium plugs last?

NGK gives them a life expectancy of 40-50k miles. But they have to temper their projections as driving conditions and motor modifications differ. Typically we have found you can expect 60,000 to 80,000 miles on an unaltered motor. NGK Laser Iridium Spark Plugs have iridium center and a platinum ground electrodes.

SPARK PLUG BATTLE: NGK IR LASER IRIDIUM VS DENSO IRIDIUM TT

Why are NGK Spark Plugs better?

Modern engines demand more power while using less fuel, shortening the life of traditional iridium and platinum spark plugs. NGK's patented ruthenium technology stands up better to wear to bring maximum durability and performance to your engine.

Is Iridium IX or laser Iridium better?

These two plugs perform similarly, due to their fine-wire tip design, but the service interval is different; the Laser Series are typically designed to last 80 to 100 thousand miles, where as the Iridium IX^® spark plugs are designed to last 40 to 50 thousand miles.

Is Denso a good brand?

The quality of DENSO parts is guaranteed because every component that leaves a DENSO factory has been designed with precision, manufactured to the strictest OE standards or above, and subjected to rigorous safety and performance tests. In the end, it all comes down to quality - that's what the DENSO name stands for.

What are the longest lasting spark plugs?

Platinum is much harder metal than nickel alloy and has a higher melting point. Since platinum is harder, it holds its sharp edge much longer than a conventional spark plug, up to 100,000 miles. Longevity is a key advantage of platinum spark plugs.

Who is the best spark plug manufacturer?

What spark plug gives the most spark?

Best High-Quality Spark Plugs—Bosch Double Iridium Spark Plugs. These double-iridium Bosch spark plugs feature one of the highest quality materials of any spark plug. This four-pack of plugs has a 0.6mm fine wire for improved combustion and car engine performance.

Do iridium spark plugs increase horsepower?

Yes, NGK iridium spark plugs can increase horsepower. By providing more spark to the firing tip, you combust more fuel, producing more horsepower.

Do iridium spark plugs improve performance?

Greater engine power from iridium spark plugs

The spark plug manufacturers are unanimous about the fact that iridium spark plugs can considerably improve the engine power. The advantage is crucial when you need to navigate through difficult driving situations or climb steep slopes.

Are DENSO spark plugs iridium?

DENSO patented the Iridium alloy formula used in our spark plugs. It has over 90% Iridium and small amounts of Rhodium, which is added to even further reduce oxidation.

How often should I change iridium spark plugs?

Long-life (iridium- or platinum-tipped) spark plugs need to be changed between 60,000 and 150,000 miles, depending on the vehicle. The recommended replacement intervals are posted in the Maintenance Schedule, which can be found in the owner's manual or in a separate Warranty and Maintenance brochure for your car.

Which spark plugs are best for fuel economy?

Do NGK Spark plugs need anti seize?

Do not use anti-seize or lubricant on NGK spark plugs. It is completely unnecessary and can be detrimental. Corona stain is a light brown or tan discoloration on the outside of the ceramic insulator above the metal shell/hex.

Is DENSO an OEM part?

Denso produces OEM parts and an “excellent” aftermarket part, Mendoza said.

Is DENSO Lexus OEM?

Denso is oem for Lexus and it shows… Good quality remanufactured alternator, fit and worked well.

Do NGK iridium spark plugs need gap?

Iridium Power Gapping Tips

In most cases your Iridium Power plugs do not need to be gapped. Even with small variations in the factory set gap the ultra-efficient firing power design will compensate for those small variations.

Is NGK an OEM?

OE-Style Spark Plugs - NGK Spark Plugs. NGK spark plugs come standard on more vehicles in North America than any other manufacturer. The OE-style spark plug line brings that original equipment spark plug to the automotive aftermarket, delivering OE fit, form, function and performance for your engine.

Are NGK iridium pre gapped?

These plugs are pre-gapped at . 044". Do not adjust gap. Iridium IX - For forced induction (supercharged/turbocharged), we recommend the Iridium IX.