⚡ Ignite your ride with Autolite’s copper core spark plugs — where power meets precision!
Autolite 3922 Copper Resistor Spark Plugs feature a full copper core electrode for enhanced thermal conductivity, a leak-proof copper-glass seal for durability, and precision engineering that delivers quick starts, improved fuel efficiency, and smooth acceleration. Designed specifically for motorcycles, these plugs combine trusted Autolite innovation with a 2-year warranty, making them a reliable upgrade for performance-focused riders.
| ASIN | B00358E02I |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #1,180,151 in Automotive ( See Top 100 in Automotive ) #6,077 in Automotive Replacement Spark Plugs |
| Brand | Autolite Iridium Ultra |
| Brand Name | Autolite Iridium Ultra |
| Compatible with Vehicle Type | Motorcycle |
| Core Material | Copper |
| Customer Reviews | 4.6 out of 5 stars 326 Reviews |
| Global Trade Identification Number | 00009100003935 |
| Included Components | 4 spark plugs |
| Item Highlight | Replaces 340 1095 3010 W5AC 41-829 AGSP12C 2288 5509 6987 7969. Copper-core center dissipates heat for reliable ignition. |
| Item Type Name | Copper Resistor Spark Plug |
| Item Weight | 1.6 ounces |
| Manufacturer | Autolite |
| Manufacturer Part Number | 3922-4PK |
| Manufacturer Warranty Description | 2 Year Limited |
| Model Number | 3922-4PK |
| Number of Items | 4 |
| OEM Equivalent Part Number | 3922-4PK |
| Thread Size | 14 millimeters |
| Top Material Type | Alloy Steel |
| UPC | 009100003935 |
| Unit Count | 4 Count |
| Vehicle Service Type | Motorcycle |
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