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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GM Parts ACDelco Original Equipment 41-103 Iridium Spark Plug

Product ID: 290190558

Details

Brand
ACDelco
Core material
Iridium
Thread size
M14x1.25
Top material type
iridium
Vehicle service type
Motorcycle

⚡Iridium core for superior spark efficiency

🚀Smaller electrode design for faster cold starts

🛠️One-piece suppressor seal for electronics protection

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MX$1221

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Ignite your ride with precision and power!

PRECISION IRIDIUM CORE - Delivers unmatched durability and high melting point for long-lasting performance
ADVANCED SUPPRESSOR SEAL - Blocks disruptive radio frequencies, safeguarding your vehicle’s sensitive electronics
TRUSTED BY PROFESSIONALS - Rated 4.8 stars by over 1,600 users who demand genuine GM quality
OPTIMIZED ELECTRODE DESIGN - Enables quicker acceleration and smoother engine idle for a premium driving experience
UNIVERSAL FIT FOR MOTORCYCLES - Seamlessly replaces original spark plugs with exact OEM specifications

The GM ACDelco Original Equipment 41-103 Iridium Spark Plug features a high-strength iridium core for enhanced durability and performance. Its innovative one-piece suppressor seal protects vehicle electronics from interference, while the smaller electrode design ensures faster cold starts and smoother acceleration. Designed as a universal fit for motorcycles, this spark plug meets exact OEM standards and is highly rated by users for reliability and genuine quality.

Specifications

ASIN	B000IZ2AVE
Automotive Fit Type	Universal Fit
Best Sellers Rank	#80,362 in Automotive ( See Top 100 in Automotive ) #401 in Automotive Performance Spark Plugs
Brand	ACDelco
Brand Name	ACDelco
Compatible with Vehicle Type	Motorcycle
Core Material	Iridium
Core material	Iridium
Country of Publication	USA
Customer Reviews	4.8 out of 5 stars 1,651 Reviews
Gap Size	1 Millimeters
Included Components	12681663
Item Type Name	SPARK PLUG ASM-GAS ENG IGN
Item Weight	0.09 Pounds
Manufacturer	ACDelco
Manufacturer Part Number	12625058
Model Number	41-103
OEM Equivalent Part Number	12625058
Thread Size	M14x1.25
Thread size	M14x1.25
Top Material Type	iridium
Top material type	iridium
UPC	808709616122
Unit Count	1 Count
Vehicle service type	Motorcycle

Reviews

C**D

Genuine GM ACDelco Spark Plug!!

3.04.2026

R**Y

These were great. Most importantly they were real.

15.10.2023

A**Q

Quality is not as expected!

12.01.2024

J**E

Sparky

10.04.2026

1**2

original

buenas bujias originales de GM

5.09.2021

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