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 41-125 Iridium Spark Plug

ACDelco GM Original Equipment 41-125 Iridium Spark Plug

Product ID: 509599228

Details

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

⚡Iridium fine-wire electrode for efficient spark

🔇Suppressor seal blocks radio frequency interference

🔥Superior cold start & quick acceleration

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COP 179462

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Ignite your drive with precision-engineered power!

RAPID RESPONSE START - Small, efficient electrode design guarantees reliable cold starts and quick acceleration
GM ENGINEERED EXCELLENCE - Designed and rigorously tested by GM engineers for perfect fit and performance in Chevrolet, Buick, GMC, and Cadillac
PRECISION IGNITION POWER - Iridium electrode ensures stable engine idle and smooth performance
CARBON BUSTING TECHNOLOGY - Fine-wire electrode actively burns away carbon deposits for longer life
ELECTRONICS FRIENDLY SEAL - One-piece suppressor seal blocks disruptive radio frequencies to protect vehicle electronics

The ACDelco GM Original Equipment 41-125 Iridium Spark Plug features a fine-wire iridium electrode for superior ignition stability, enhanced cold starting, and quick acceleration. Its suppressor seal minimizes radio frequency interference, protecting your vehicle’s electronics. Designed and tested by GM engineers, this spark plug ensures reliable, long-lasting performance tailored for Chevrolet, Buick, GMC, and Cadillac vehicles.

Specifications

ASIN	B08N8GDN7K
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#236,774 in Automotive ( See Top 100 in Automotive ) #1,633 in Automotive Performance Spark Plugs
Brand Name	ACDelco
Compatible with Vehicle Type	Car
Core Material	Iridium
Customer Reviews	4.6 4.6 out of 5 stars (143)
Included Components	Spark Plug
Item Type Name	Iridium Plugs - GM,Iridium Plugs - GM
Manufacturer	ACDelco
Manufacturer Part Number	41-125
Model Number	41-125
OEM Equivalent Part Number	12647827
Part Interchange Info	41-125
Thread Size	14mm
Top Material Type	Nickel
UPC	808709617181
Unit Count	1 Count

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