DENSO
Denso (3421) SK20HR11 Iridium Long Life Spark Plug, Single Plug
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- Brand
- Denso
- Model
- IRD LONG LIFE SPK PLG
- Item Weight
- 0.01 ounces
- Country of Origin
- China
Key features
- Single Plug
- Denso # 3421
- Extra Long Life Iridium Plug
- 0.7mm Fine Wire Iridium-Tipped Center Electrode
- Platinum Tipped Ground Electrode
Specifications
| Manufacturer | Denso |
|---|---|
| Brand | Denso |
| Model | IRD LONG LIFE SPK PLG |
| Item Weight | 0.01 ounces |
| Country of Origin | China |
| Item model number | SK20HR11 |
| Manufacturer Part Number | 3421 |
| OEM Part Number | DAIHATSU 90048-51185-000, DAIHATSU 90919-01191-000, LEXUS 90919-01191, TOYOTA 90048-51185, TOYOTA 90919-01191 |
| Position | Left |
| Core Material | Iridium |
| Gap Size | 1.1 Millimeters |
| Thread Size | 1.25mm |
| Top Material Type | Platinum |
| ASIN | B002FOO884 |
About this product
Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. Because of the strength and hardness of iridium, there is virtually no electrode wear. This combined with a platinum tipped ground electrode, creates a spark plug that is almost impervious to wear even under extreme driving or racing conditions.
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