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

🛠️Exact OE fit for GM vehicles

50.41 DT

Duties & taxes included

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Description

⚡ Ignite your drive with precision-engineered power!

OEM GRADE RELIABILITY - Designed and validated by GM engineers to ensure perfect fit and peak performance for your Chevrolet, Buick, GMC, or Cadillac.
LONG LASTING DURABILITY - Backed by a 7-year/unlimited mile warranty, this spark plug guarantees endurance and consistent performance on every drive.
PRECISION IRIDIUM SPARK - Experience unmatched engine idle stability and smooth acceleration with cutting-edge iridium technology.
CARBON BUSTING ELECTRODE - Fine-wire electrode actively burns away carbon deposits, extending spark plug life and maintaining engine efficiency.
ELECTRONICS FRIENDLY DESIGN - One-piece suppressor seal blocks radio frequencies, protecting your vehicle’s sensitive electronics from interference.

The ACDelco GM Original Equipment 41-114 Iridium Spark Plug delivers superior engine performance and reliability through advanced iridium technology. Engineered and rigorously tested by General Motors, it ensures an exact OEM fit for GM vehicles, promotes efficient combustion with a fine-wire electrode that reduces carbon buildup, and protects vehicle electronics with a suppressor seal. Backed by a 7-year unlimited mile warranty, this spark plug is the ultimate upgrade for smooth starts, quick acceleration, and long-lasting durability.

Specifications

ASIN	B00DU255AU
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#10,713 in Automotive ( See Top 100 in Automotive ) #43 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 1,532 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

A**A

SUPER BUENA

Muy buena y garantizadas las bujías d verdad me sorprendió

4.03.2026

J**O

Perfect fit

Great product

9.02.2026

E**O

Excelente producto

Originales

9.12.2025

J**I

OEM PARTS GREAT

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

31.07.2026

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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50.41 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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

1 day ago

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