


⚡ Ignite your drive with pro-grade precision!
The ACDelco 41-156 Professional Iridium Spark Plug features a durable iridium fine-wire electrode for superior ignition stability and quick starts. Its one-piece suppressor seal minimizes radio frequency interference and combustion leakage, enhancing both engine performance and longevity. Designed with a precise M14x1.25 thread size, it fits a broad range of vehicles including cars, trucks, and vans. Manufactured in the USA, this chrome-exterior spark plug weighs 141 grams and delivers reliable, clean combustion for a smoother, more efficient ride.







| Brand | ACDelco |
| Core Material | Iridium |
| Thread Size | M14x1.25 |
| Top Material Type | Nickel |
| Vehicle Service Type | Car, Truck, Van |
| Global Trade Identification Number | 40808709663247 |
| UPC | 808709663249 |
| OEM Part Number | 12683541 |
| Manufacturer | ACDelco |
| Model | 12683541 |
| Product Dimensions | 9.4 x 8.13 x 2.03 cm; 141 g |
| Item model number | 41-156 |
| Exterior | Chrome |
| Manufacturer Part Number | 41-156 |
| Volume | 10 Cubic Inches |
| Assembly Required | No |
| Manufacturer | ACDelco |
| Country of Origin | USA |
| Item Weight | 141 g |
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