⚡ Ignite your drive with precision-engineered iridium power!
The ACDelco GM Original Equipment 41-156 Iridium Spark Plug features a high-strength iridium core for exceptional durability and spark efficiency. With a precise M14x1.25 thread size and a 3-piece suppressor seal, it ensures a perfect fit, prevents combustion leakage, and blocks radio frequency interference. Engineered and validated by GM for Chevrolet, Buick, GMC, and Cadillac vehicles, it delivers reliable cold starts, smooth acceleration, and stable engine idle performance.
Brand | ACDelco |
Core Material | Iridium |
Thread Size | M14x1.25 |
Top Material Type | iridium |
Vehicle Service Type | Motorcycle |
Global Trade Identification Number | 40808709663247 |
Automotive Fit Type | Vehicle Specific Fit |
UPC | 808709663249 |
OEM Part Number | 12683541 |
Manufacturer | ACDelco |
Model | GM Original Equipment |
Item Weight | 5 ounces |
Product Dimensions | 3.7 x 3.2 x 0.8 inches |
Item model number | 41-156 |
Exterior | Machined |
Manufacturer Part Number | 41-156 |
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