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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41-122 Professional Iridium Spark Plug (Pack of 1)

41-122 Professional Iridium Spark Plug (Pack of 1)

Product ID: 483133182

Details

Brand
ACDelco
Core Material
Iridium
Top Material Type
Nickel
Vehicle Service Type
Car
UPC
808709616856

🔒Suppressor seal for longevity

🚀Quick acceleration

⚙️Iridium core for stability

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$U2485

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Description

⚡ Ignite Your Drive with Iridium Power!

IRIDIUM INNOVATION - Fine-wire electrode promotes efficient cold starts and accelerates response.
PRECISION PERFORMANCE - Crafted for select GM vehicles, integrating the latest materials and technologies.
SMART SPARK MANAGEMENT - One-piece suppressor seal blocks interference, ensuring smooth operation.
DURABILITY MEETS DESIGN - Meticulously tested to meet rigorous GM standards for reliability.
ENGINEERED FOR EXCELLENCE - Designed to enhance engine idle stability and performance.

The ACDelco 41-122 Professional Iridium Spark Plug is engineered for optimal engine performance, featuring an iridium core for stability, a fine-wire electrode for efficient cold starts, and a suppressor seal that enhances longevity. Designed specifically for GM vehicles, this spark plug meets rigorous standards and is backed by General Motors, ensuring reliability and precision in every drive.

Specifications

ASIN	B00DU2530W
Automotive Fit Type	Vehicle Specific Fit
Brand	ACDelco
Brand Name	ACDelco
Compatible with Vehicle Type	Car
Core Material	Iridium
Customer Reviews	4.4 out of 5 stars 295 Reviews
Item Type Name	Iridium Plugs - GM,Iridium Plugs - GM
Manufacturer	ACDelco
Manufacturer Part Number	12681655
Manufacturer Warranty Description	100,000 Miles / Unlimited Months (Parts Only)
Model	41-122
OEM Equivalent Part Number	55585534
Thread Size	14mm
Top Material Type	Nickel
UPC	808709616856
Unit Count	1.0 Count
Vehicle Service Type	Car
What Is In the Box	Spark Plug

Reviews

A**R

Reasonably Priced

26.06.2025

A**X

Still runs nice

13.02.2024

J**A

They came quick and work just fine

12.07.2025

P**E

Origine NGK

Excellent produit d'origine, fabrication NGK!

4.05.2019

O**E

Just what my 2011 Chevy Volt needed...

5.12.2024

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$U2485

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered 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 Uruguay.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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