


⚡ Ignite your drive with precision-engineered power!
The ACDelco GM Original Equipment 41-124 Iridium Spark Plug is a premium, GM-backed replacement part designed with a durable iridium core and fine-wire electrode for superior spark efficiency. Featuring a 14mm thread size and a one-piece suppressor seal, it ensures OEM-level fit, reduces electronic interference, and maintains engine performance by self-cleaning carbon deposits. Perfectly engineered for Chevrolet, Buick, GMC, and Cadillac vehicles, it delivers reliable cold starts, quick acceleration, and long electrode life.







| Brand | ACDelco |
| Core Material | Iridium |
| Thread Size | 14mm |
| Top Material Type | Nickel |
| Vehicle Service Type | Car |
| Global Trade Identification Number | 40808709327040 |
| UPC | 808709327042 |
| OEM Part Number | 12637197 |
| Manufacturer | ACDelco |
| Product Dimensions | 9.14 x 8.64 x 2.79 cm; 39 g |
| Item model number | 41-124 |
| Manufacturer Part Number | 12637197 |
| Manufacturer | ACDelco |
| Country of Origin | USA |
| Item Weight | 39 g |
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