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 41-108 Professional Iridium Spark Plug (Pack of 1)

ACDelco 41-108 Professional Iridium Spark Plug (Pack of 1)

Product ID: 400533637

Details

Brand
ACDelco
Core Material
Iridium
Top Material Type
Nickel
UPC
808709617174
Vehicle Service Type
Car

⚡Iridium fine-wire electrode for efficient spark

🔇Suppressor seal blocks radio frequency interference

🔥Superior cold start & quick acceleration

€ 51.01

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Ignite your drive with precision and power!

PRECISION IRIDIUM SPARK - Experience unmatched engine idle stability and smooth performance with advanced iridium technology.
EFFICIENT ELECTRODE DESIGN - Small, fine-wire electrodes ensure reliable cold starts and rapid acceleration every time.
CARBON DEPOSIT SELF CLEANING - Iridium tip actively burns away carbon buildup, extending spark plug life and maintaining peak efficiency.
DURABILITY MEETS PERFORMANCE - Suppressor seal meters spark energy to prevent combustion leakage and maximize electrode longevity.
ELECTRONICS FRIENDLY SUPPRESSOR SEAL - One-piece seal blocks disruptive radio frequencies, protecting your vehicle’s sensitive electronics.

The ACDelco 41-108 Professional Iridium Spark Plug delivers superior engine idle stability and smooth acceleration through its fine-wire iridium electrode. Designed for reliable cold starts and enhanced durability, it features a suppressor seal that blocks radio frequency interference and prevents combustion leakage, ensuring long-lasting performance and protection for your vehicle’s electronics.

Specifications

ASIN	B0016HNOFY
Brand	ACDelco
Brand Name	ACDelco
Compatible with Vehicle Type	Car
Core Material	Iridium
Customer Reviews	4.6 out of 5 stars 1,004 Reviews
Item Type Name	SPARK PLUG ASM-GAS ENG IGN
Item Weight	0.05 Pounds
Manufacturer	ACDelco
Manufacturer Part Number	12681658
Model	41-108
Number of Items	1
OEM Equivalent Part Number	12620540
Top Material Type	Nickel
UPC	808709617174
Vehicle Service Type	Car
What Is In the Box	12681658

Reviews

H**O

23.02.2026

A**R

28.02.2026

R**.

11.01.2024

G**T

3.12.2023

J**Z

18.02.2026

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