



⚡ Ignite your drive with precision-engineered power!
The ACDelco GM Original Equipment 41-122 Iridium Spark Plug features a fine-wire iridium electrode for superior engine idle stability, quick acceleration, and reliable cold starts. Designed with a one-piece suppressor seal, it blocks radio frequency interference and extends electrode life. Engineered and rigorously tested by GM, this spark plug guarantees OEM-level performance and durability tailored for your vehicle.







| Brand | ACDelco |
| Core Material | Iridium |
| Thread Size | 14mm |
| Top Material Type | Iridium |
| Vehicle Service Type | Motorcycle |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 808709616856 |
| OEM Part Number | 55585534 |
| Manufacturer | ACDelco |
| Model | GM Original Equipment |
| Item Weight | 1.44 ounces |
| Product Dimensions | 6.6 x 3.6 x 1.1 inches |
| Item model number | 41-122 |
| Is Discontinued By Manufacturer | Yes |
| Exterior | Machined |
| Manufacturer Part Number | 12681655 |
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