







⚡ Ignite your drive with Denso’s Iridium Power – because your engine deserves the best!
The Denso #5304 Iridium Power Spark Plugs come in a convenient 6-pack, featuring a high-performance iridium core for enhanced ignition, a precise 14mm x 11.2mm thread size for perfect fitment, and a ceramic top for superior heat resistance. Designed for cars and trucks, these spark plugs ensure reliable engine starts and long-lasting durability, backed by Denso’s trusted manufacturing expertise.
| Brand | Denso |
| Core Material | Iridium |
| Thread Size | 14mm x 11.2mm |
| Top Material Type | Ceramic |
| Vehicle Service Type | Car, Truck |
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer | Denso Sales California, Inc. |
| Model | 6 pack DENSO Iridium Power 5304 Spark Plug |
| Item Weight | 0.01 ounces |
| Product Dimensions | 3.62 x 5.76 x 0.96 inches |
| Item model number | IK20 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 5304 |
| Position | Front, Rear |
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