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⚡ Ignite your drive with GM’s iridium edge – because your engine deserves the best!
The ACDelco GM Original Equipment 41-156 Iridium Spark Plug is a precision-engineered ignition component designed specifically for GM vehicles. Featuring advanced iridium technology, it delivers superior durability, enhanced engine idle stability, reliable cold starts, and smooth acceleration. Backed by rigorous GM testing and manufacturing standards, this spark plug ensures optimal performance and longevity while minimizing electronic interference.
| ASIN | B071HPXS56 |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand | ACDelco |
| Brand Name | ACDelco |
| Compatible with Vehicle Type | Motorcycle |
| Core Material | Iridium |
| Core material | Iridium |
| Country of Publication | Japan |
| Customer Reviews | 4.4 out of 5 stars 572 Reviews |
| Global Trade Identification Number | 40808709663247 |
| Included Components | 1 |
| Item Type Name | Iridium Plugs - GM,Iridium Plugs - GM |
| Manufacturer | GM GENUINE PARTS |
| Manufacturer Part Number | 41-156 |
| Manufacturer Warranty Description | 7 Year / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
| Model Number | 41-156 |
| OEM Equivalent Part Number | 12683541 |
| Thread Size | M14x1.25 |
| Thread size | M14x1.25 |
| Top Material Type | iridium |
| Top material type | iridium |
| UPC | 808709663249 |
| Unit Count | 1 Count |
| Vehicle service type | Motorcycle |
M**T
Favourite plugs for GM vehicles
You can never go wrong with the OEM plugs for your vehicle! I’m always super happy with Delco plugs.
E**N
Perfect Fit: Fixed My Misfire and Smoothed My Idle
I recently purchased this ACDelco ignition coil to address a persistent misfire issue on my GM vehicle. Opting for the Original Equipment (OE) part is almost always the safest and most reliable route for these specific engines. The packaging was secure, and the part arrived in perfect condition without any signs of damage during shipping. Installation was straightforward, taking me less than fifteen minutes with just a few basic hand tools. It fit perfectly into the engine bay, matching the factory dimensions exactly as you would expect from a genuine GM component. After swapping it out, I immediately noticed that the engine idle smoothed out significantly. The hesitation during acceleration that I had been experiencing completely disappeared after a quick test drive. It feels great to have the vehicle running reliably again without having to pay expensive dealership labor rates for a simple fix. The performance is indistinguishable from the original coil, confirming the high quality of this replacement part. I highly recommend this item to any DIYer looking to resolve ignition issues on their GM vehicle with a trusted brand. One last plus was the price for these!
S**S
👍🏽
Quality product, fast shipping and satisfied customer!
R**R
Perfect
Perfect as it is stocked
P**.
Does not fit, only one came not 4
These do not fit a 2019 chevy equinox to small. I ordered 4 and received one.
Trustpilot
3 weeks ago
3 weeks ago