

⚡ Ignite your drive with DENSO’s precision power!
The DENSO SK20HR11 Iridium Platinum Spark Plug 6-pack combines iridium core technology and platinum top material to deliver enhanced ignition efficiency, durability, and a precise 1.25mm thread fit. Engineered for cars and trucks, this genuine DENSO product ensures reliable, long-lasting performance and easy installation.
| Brand | Denso |
| Core Material | Iridium |
| Thread Size | 1.25mm |
| Top Material Type | Platinum |
| Vehicle Service Type | Car, Truck |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 026521134574 |
| Manufacturer | Denso Sales California, Inc. |
| Model | 6 pack DENSO 3421 Spark Plug |
| Item Weight | 11.5 ounces |
| Product Dimensions | 3.62 x 5.76 x 0.96 inches |
| Item model number | SK20HR11 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 3421 |
| Position | Front, Rear |
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