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⚡ Ignite your drive with GM-grade precision and unstoppable performance!
The ACDelco GM Original Equipment 41-122 Iridium Spark Plug features a fine-wire iridium electrode engineered for superior engine idle stability, quick cold starts, and smooth acceleration. Designed and validated by GM engineers for specific Chevrolet, Buick, GMC, and Cadillac models, it includes a suppressor seal to block radio frequency interference and extend electrode life. This spark plug self-cleans carbon deposits, helping maintain fuel efficiency and reliable performance over time.
| ASIN | B00DU2530W |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #407,762 in Automotive ( See Top 100 in Automotive ) #2,395 in Automotive Replacement Spark Plugs |
| Brand | ACDelco |
| Core Material | Iridium |
| Customer Reviews | 4.4 4.4 out of 5 stars (300) |
| Date First Available | July 8, 2013 |
| Exterior | Machined |
| Is Discontinued By Manufacturer | Yes |
| Item Weight | 1.44 ounces |
| Item model number | 41-122 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12681655 |
| Model | GM Original Equipment |
| OEM Part Number | 55585534 |
| Product Dimensions | 3.59 x 3.41 x 0.91 inches |
| Thread Size | 14mm |
| Top Material Type | Iridium |
| UPC | 808709616856 |
| Vehicle Service Type | Motorcycle |
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