⚡ Ignite your drive with precision and power — don’t get left behind!
The Autolite Iridium XP Spark Plug pack of 4 (model XP3923-4PK) features a 0.6mm finewire iridium tip and platinum-protected ground wire with a V-trimmed electrode, engineered for up to 100,000 miles of optimal ignition performance. Designed in the USA and trusted since 1936, these spark plugs enhance fuel efficiency and durability across all vehicle makes and models, backed by a limited lifetime warranty.
| Manufacturer | FRAM |
| Brand | Autolite Iridium Ultra |
| Model | XP3923-4PK |
| Product Dimensions | 8.59 x 10.16 x 2.54 cm; 191 g |
| Item model number | XP3923-4PK |
| Exterior | Chrome |
| Manufacturer Part Number | XP3923-4PK |
| Special Features | Finewire design, Limited Lifetime Warranty |
| Item Weight | 191 g |
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