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 (12622441) Iridium Spark Plug (Pack of 1)

ACDelco GM Original Equipment 41-114 (12622441) Iridium Spark Plug (Pack of 1)

Product ID: 45880676

Details

Brand
ACDelco
Core Material
Iridium
Thread Size
16mm
Top Material Type
Iridium
Vehicle Service Type
Car

⚡Iridium fine-wire electrode for efficient spark

⏱️7-year/unlimited mile warranty for long-lasting reliability

🛠️16mm thread size for precise OEM fit

€ 14.24

Duties & taxes included

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Ignite your drive with GM-approved precision and power!

OEM EXACT FIT FORM - Designed and validated by GM engineers to ensure seamless replacement and peak performance.
ADVANCED SUPPRESSOR SEAL - Blocks radio frequency interference to protect your vehicle’s sensitive electronics and prevent combustion leaks.
CARBON BUSTING SPARK TECHNOLOGY - Fine-wire electrode actively burns away carbon deposits, extending spark plug life and engine efficiency.
UNMATCHED DURABILITY WARRANTY - Backed by a 7-year/unlimited mile limited warranty, ensuring confidence and peace of mind on every drive.
PRECISION ENGINEERED IRIDIUM ELECTRODE - Delivers superior ignition stability and smooth acceleration for your GM vehicle.

The ACDelco GM Original Equipment 41-114 Iridium Spark Plug is a premium, vehicle-specific replacement part engineered by General Motors. Featuring a fine-wire iridium electrode for enhanced ignition stability, carbon deposit resistance, and quick acceleration, it ensures OEM-level fit and function. With a 16mm thread size and advanced suppressor seal, it protects vehicle electronics while delivering long-lasting durability backed by a 7-year/unlimited mile warranty.

Specifications

ASIN	B00DU255AU
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#12,159 in Automotive ( See Top 100 in Automotive ) #51 in Automotive Replacement Spark Plugs
Brand	ACDelco
Brand Name	ACDelco
Compatible with Vehicle Type	Car
Core Material	Iridium
Customer Reviews	4.6 out of 5 stars 1,527 Reviews
Included Components	12622441
Item Type Name	12622441
Item Weight	1.44 ounces
Manufacturer	ACDelco
Manufacturer Part Number	12622441
Manufacturer Warranty Description	7 Year / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.
Model Number	41-114
Number of Packs	1
OEM Equivalent Part Number	12622441
Thread Size	16mm
Top Material Type	Iridium
UPC	808709061304
Unit Count	1 Count
Vehicle Service Type	Car

Reviews

J**F

Works as described

23.02.2026

D**N

Oem fit

Awesome price oem fit

17.04.2026

K**N

OEM parts

OEM fit 2017 Chevy Tahoe 5.3

22.05.2026

N**!

Great Purchase!

Great buy! My husband was having problems with his truck. This made our issues stop. Hoping it continues! Perfect fit for his GMC Sierra. Very easy to install. We love YouTube!

1.12.2025

G**G

Price

Correct parts works good thx Gg

30.04.2026

B**.

Chequen la calibracion de sus bujias

Estaba revisando la calibracion de las bujias por si las dudas y una me llego cerrada siempre chequenlas todas y las cajas de las bujias nose ven tan nuevas aunque las bujias se ven nuevas las cajitas nose parecen alas demas que eh visto aun no las instalo vere que pasa Las compre para mi 2016 silverado 5.3 las calibre a .40 la mayoria venian ya calibradas solamente 1 estaba cerrada

8.04.2024

J**O

Perfect fit

Great product

9.02.2026

A**A

SUPER BUENA

Muy buena y garantizadas las bujías d verdad me sorprendió

4.03.2026

E**O

Excelente producto

Originales

9.12.2025

S**E

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

J**O

direct fit and price

spark plugs for my truck

19.04.2024

M**K

Sent me a used plug

Got to my second last plug and opened the box and it was used. Yes a used spark plug

25.06.2023

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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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TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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

5 days ago

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€ 14.24

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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