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 41-114 Iridium Spark Plug (Pack of 1)

ACDelco GM Original Equipment 41-114 Iridium Spark Plug (Pack of 1)

Product ID: 77650077

Details

Brand
ACDelco
Core material
Iridium
Thread size
16mm
Top material type
Metal
Vehicle service type
Car

📡One-piece suppressor seal blocks radio interference

🔥Iridium fine wire electrode for superior combustion

🔧16mm universal thread size for perfect fit

S/.132

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Description

⚡ Ignite your drive with GM’s iridium edge – because your engine deserves the best!

DURABILITY THAT LASTS - High melting point iridium core delivers exceptional wear resistance for long-lasting spark plug life.
OEM BACKED RELIABILITY - Designed and validated by GM engineers for flawless fit and function in Chevrolet, Buick, GMC, and Cadillac models.
CARBON BUSTING PERFORMANCE - Self-cleaning spark tip burns away carbon deposits, ensuring peak efficiency mile after mile.
PRECISION IRIDIUM TECHNOLOGY - Experience unmatched engine idle stability and smooth acceleration with cutting-edge iridium electrodes.
SEAMLESS ELECTRONICS PROTECTION - Integrated suppressor seal shields your vehicle’s sensitive electronics from disruptive radio frequencies.

The ACDelco GM Original Equipment 41-114 Iridium Spark Plug is a premium, GM-backed replacement part engineered for optimal performance and durability. Featuring a fine iridium wire electrode and a one-piece suppressor seal, it ensures stable engine idling, efficient combustion, and protection against electronic interference. Designed for universal 16mm fitment, it meets rigorous OEM standards for Chevrolet, Buick, GMC, and Cadillac vehicles, delivering reliable, long-lasting ignition performance.

Specifications

Asin	B00DU255AU
Automotive Fit Type	Universal Fit
Best Sellers Rank	452,495 in Automotive (See Top 100 in Automotive) 1,750 in Car Spark Plugs
Brand Name	ACDelco
Compatible With Vehicle Type	Car
Core Material	Iridium
Country Of Origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (1,483) 4.6 out of 5 stars
Included Components	12622441
Item Type Name	12622441
Item Weight	41 g
Manufacturer	ACDelco
Manufacturer Part Number	12622441
Model Number	41-114
Number Of Items	1
Number Of Packs	1
Oem Equivalent Part Number	12622441
Thread Size	16mm
Top Material Type	Metal
Unit Count	1.0 count
Upc	808709061304

Reviews

User

Excelente producto

Originales

9.12.2025

User

Spark plugs you can count on

Works like a glove factory OEM

9.08.2026

User

OEM PARTS GREAT

The original equipment for my Chevrolet Silverado 6.2 were excellent affordable buy

31.07.2026

User

Silverado 2021 LT trailboss 5.3 L V8

Funcionan perfecto

25.08.2026

User

OEM parts

They're the OEM parts. Direct fit, easy install ( as easy as plugs get anyways).Quick delivery, quicker than even the dealership.Arrived on time, in good order.Truck runs like a top

5.07.2024

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TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Ayesha M.

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

5 days ago

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S/.132

Duties & taxes included

In stock

Sold byAmazon PeruDelivered 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 Peru.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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