








⚡ Ignite your engine’s potential with Autolite Copper Spark Plugs!
The Autolite 26 Copper Resistor Spark Plug features a full copper core electrode for superior thermal conductivity, a leak-proof copper-glass seal for enhanced durability, and a resistor to reduce radio frequency interference. Designed for universal fit in cars and trucks, it delivers quick starts, improved fuel economy, and smooth acceleration, backed by Autolite’s trusted legacy since 1936.

| Brand | Autolite Iridium Ultra |
| Core Material | Copper |
| Thread Size | 14mm |
| Top Material Type | Alloy Steel |
| Vehicle Service Type | Car, Truck |
| Global Trade Identification Number | 00009100000262 |
| Automotive Fit Type | Universal Fit |
| UPC | 009100000262 |
| OEM Part Number | 26 |
| Manufacturer | Autolite |
| Model | AL26 |
| Item Weight | 0.96 ounces |
| Product Dimensions | 1 x 1.13 x 3.38 inches |
| Item model number | 26 |
| Is Discontinued By Manufacturer | Yes |
| Manufacturer Part Number | 26 |
| Position | Center |
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