⚡ Ignite your ride with precision and power — don’t get left behind!
The ACDelco Professional 41-109 Iridium Spark Plug delivers superior engine stability and quick acceleration through its fine-wire iridium electrode. Featuring a one-piece suppressor seal, it minimizes radio frequency interference and extends spark plug life. Engineered and rigorously tested by GM, this spark plug ensures reliable cold starts and optimal performance tailored for your vehicle.







| Brand | ACDelco |
| Core Material | Iridium |
| Thread Size | 0.47 in |
| Top Material Type | Iridium |
| Vehicle Service Type | Motorcycle |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 808709616368 |
| OEM Part Number | 12622561 |
| Manufacturer | ACDelco |
| Model | GM Original Equipment |
| Item Weight | 1.76 ounces |
| Product Dimensions | 6.7 x 3.9 x 1 inches |
| Item model number | 41-109 |
| Is Discontinued By Manufacturer | Yes |
| Exterior | Machined |
| Manufacturer Part Number | 12622561 |
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