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⚡ Ignite your drive with NGK Iridium IX – where precision meets power!
NGK Iridium IX Spark Plugs (Box of 4) feature a laser-welded 0.6mm fine Iridium tip for extreme ignitability and durability. Designed for performance enthusiasts, they improve throttle response and resist fouling with a longer insulator nose and corrugated ribs. The high melting point Iridium alloy withstands heat and electrical wear, while a triple gasket seal prevents combustion gas leakage, ensuring reliable, high-performance ignition for modern engines.
| ASIN | B003BUCKQ8 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 68,294 in Automotive ( See Top 100 in Automotive ) 349 in Car Spark Plugs |
| Brand | NGK |
| Brand Name | NGK |
| Compatible with Vehicle Type | Car |
| Core Material | Iridium |
| Core material | Iridium |
| Customer Reviews | 4.7 out of 5 stars 2,415 Reviews |
| Global Trade Identification Number | 00087295054642, 00087295454640 |
| Included Components | SPARK PLUG |
| Item Type Name | Accessories |
| Item Weight | 0.1 Pounds |
| Manufacturer | NGK |
| Manufacturer Part Number | 5464-4PK |
| Model Number | 5464-4PK |
| Number of Items | 4 |
| OEM Equivalent Part Number | 5464-4PK |
| Thread Size | 14mm x 19mm |
| Thread size | 14mm x 19mm |
| Top Material Type | Metal |
| Top material type | Metal |
| UPC | 087295454640 026521134574 631145962481 087295054642 |
| Unit Count | 4.0 count |
| Vehicle service type | Car |
A**A
Genuine item for the fair price
Great deal ! Item is genuine , priced very fairly ! Highly recommended
S**N
Massive
Massive improvement over the standard plugs. Car starts up much quicker with less revolutions in the morning. Smooth engine running.
G**N
Bien
Qualité d origine
C**C
Does its Job Well!
Changed spark plugs on 2008 Mazda3 1.6 with this set of 4 spark plugs. Works very well and no more stuttering engine during idle. Highly recommended!
T**A
The Highest Quality Genuine Spark Plug
NGK (5464-4PK) Iridium IX Spark Plug. I installed these spark plugs in my old 2007 model Santro Xing XO car on October 20, 2025. I waited this long to give my review after using them for the past two months. The main things I noticed are that my car's pickup has improved significantly, feeling like a new car again. The car's mileage has also increased to 15 kilometers per liter. According to NGK, these spark plugs don't need to be replaced for up to 50,000 kilometers. Another important thing I noticed is that the CO levels in the car's emissions have decreased. This means it's not only good for the environment but also increases my car engine's lifespan. I also understand that this provides a solution to the problems faced by older cars due to E20 petrol. Although the price is a bit high, considering the long-term benefits, I think paying this price is justified. Therefore, this investment is necessary to improve car performance.
أ**ح
مناسبين جدآ لمازدا 3 2007 1.6 ☺️
ممتازين بصراحه
L**Z
Calidad bujias NGK
Exelente opción para buen rendimiento y potencia, ojo, no se calibran , se dañan
Trustpilot
1 month ago
5 days ago