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 41-124 Iridium Spark Plug

Product ID: 309100754

Details

Brand
ACDelco
Core material
Iridium
Thread size
14mm
Top material type
Nickel
Vehicle service type
Motorcycle

⚡Iridium fine-wire electrode for superior spark

🔥0.9mm gap size for optimal ignition efficiency

🛠️14mm thread size for universal fit

€ 41.87

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Description

⚡ Ignite your drive with GM’s precision-engineered iridium spark plugs!

OEM BACKED RELIABILITY - Engineered and validated by GM engineers for perfect fit and function in Chevrolet, Buick, GMC, and Cadillac vehicles.
PRECISION IRIDIUM SPARK - Experience unmatched engine idle stability and smooth acceleration with cutting-edge iridium technology.
CARBON BUSTING ELECTRODE - Self-cleaning fine-wire electrode actively burns away carbon deposits, ensuring peak performance every drive.
ELECTRONICS FRIENDLY DESIGN - Integrated suppressor seal blocks disruptive radio frequencies, protecting your vehicle’s sensitive electronics.
DURABILITY MEETS PERFORMANCE - High melting point iridium core delivers exceptional wear resistance and long-lasting spark plug life.

The ACDelco GM Original Equipment 41-124 Iridium Spark Plug is a premium, GM-backed replacement part featuring a fine-wire iridium electrode for enhanced ignition efficiency, a 14mm universal thread size, and a 0.9mm gap optimized for reliable cold starts and quick acceleration. Designed to reduce carbon buildup and block radio frequency interference, it ensures smooth engine performance and long-lasting durability across Chevrolet, Buick, GMC, and Cadillac vehicles.

Specifications

ASIN	B01E6CTPGM
Automotive Fit Type	Universal Fit
Brand Name	ACDelco
Compatible with Vehicle Type	Motorcycle
Core Material	Iridium
Customer Reviews	3.7 3.7 out of 5 stars (83)
Gap Size	0.9 Millimeters
Global Trade Identification Number	40808709327040
Manufacturer	ACDelco
Manufacturer Part Number	12637197
Model Number	41-124
OEM Equivalent Part Number	12637197
Thread Size	14mm
Top Material Type	Nickel
UPC	808709327042

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Received my product in pristine condition. Great service overall.

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€ 41.87

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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