Is there a recommended interval for changing my vehicle’s spark plugs?

Yes, the interval depends on each vehicle model’s specifications. Refer to your vehicle Owner’s Manual for guidance on when you should change your vehicle’s spark plugs.

Should I change all of my vehicle’s spark plugs at the same time?

Yes, when it is time for a scheduled spark plug replacement, all spark plugs should be changed. If a single spark plug is fouled or damaged outside of scheduled maintenance, finding the source of the damage and changing it is recommended.

Can I just clean my spark plugs instead of replacing them?

No, ACDelco does not recommend cleaning old spark plugs. Cleaning spark plugs does not repair broken components, chipped insulator tips, and worn electrodes and wires.

What is pre-ignition and can it damage my engine?

Yes, pre-ignition can cause serious damage to an engine. Pre-ignition, often accompanied by engine knocking sounds, air and fuel ignite in the engine before the spark plug fires. The condition commonly occurs when old spark plugs are worn or dirty.

Does a diesel engine require a different type of plug than a gas engine?

Yes, diesel engines require glow plugs instead of spark plugs. To learn what type of glow plugs or spark plugs your vehicle requires, refer to your vehicle Owner’s Manual for guidance.

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ACDelco GM Original Equipment 41-114 (12622441) Iridium Spark Plug (Pack of 1)

ACDelco GM Original Equipment 41-114 (12622441) Iridium Spark Plug (Pack of 1)

Product ID: 45880676

Details

Brand
ACDelco
Core Material
Iridium
Thread Size
16mm
Top Material Type
Iridium
Vehicle Service Type
Car

⚡Iridium fine-wire electrode for efficient spark

🔥High melting point for durability & wear resistance

🛠️One-piece suppressor seal blocks radio interference

€ 14.25

Duties & taxes included

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Description

⚡ Ignite your drive with GM’s iridium edge — performance that sparks envy!

7 YEAR CONFIDENCE - Backed by a 7-year/unlimited mile limited warranty for peace of mind
OEM GRADE QUALITY - Designed and validated by GM engineers for perfect fit and performance
ENGINEERED FOR LONGEVITY - Suppressor seal extends electrode life and prevents combustion leaks
PRECISION IGNITION POWER - Iridium electrode ensures stable idle and lightning-fast acceleration
CARBON BUSTING TECHNOLOGY - Fine-wire tip actively burns away carbon deposits for consistent spark

The ACDelco GM Original Equipment 41-114 Iridium Spark Plug delivers OEM-level precision and durability with a fine-wire iridium electrode that enhances engine idle stability, cold starts, and acceleration. Featuring a one-piece suppressor seal to block radio interference and extend electrode life, this spark plug is engineered and rigorously tested by GM for Chevrolet, Buick, GMC, and Cadillac vehicles. Backed by a 7-year unlimited mile warranty, it’s the trusted upgrade for drivers who demand reliable, long-lasting ignition performance.

Specifications

ASIN	B00DU255AU
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#8,856 in Automotive ( See Top 100 in Automotive ) #37 in Automotive Replacement Spark Plugs
Brand Name	ACDelco
Compatible with Vehicle Type	Car
Core Material	Iridium
Customer Reviews	4.6 4.6 out of 5 stars (1,525)
Included Components	12622441
Item Type Name	12622441
Item Weight	1.44 ounces
Manufacturer	ACDelco
Manufacturer Part Number	12622441
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	41-114
OEM Equivalent Part Number	12622441
Thread Size	16mm
Top Material Type	Iridium
UPC	808709061304
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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