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: 436875103

Details

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

⚡Iridium fine-wire electrode for superior spark

🔥Burns away carbon deposits for lasting performance

🛡️One-piece suppressor seal blocks radio interference

€ 58.09

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Description

⚡ Ignite your engine’s potential with GM-grade precision!

PRECISION IRIDIUM SPARK - Delivers unmatched engine idle stability and smooth rides
ADVANCED CARBON BURN TECH - Self-cleans to maintain peak ignition efficiency
PERFECT FIT FOR YOUR RIDE - Vehicle-specific threading ensures hassle-free installation
DURABILITY ENGINEERED BY GM - Tested and validated for Chevrolet, Buick, GMC & Cadillac
ELECTRONICS FRIENDLY DESIGN - Suppressor seal prevents radio frequency disruptions

The ACDelco GM Original Equipment 41-125 Iridium Spark Plug features a fine-wire iridium electrode that enhances engine idle stability and smoothness. Its one-piece suppressor seal blocks radio frequency interference, protecting vehicle electronics while ensuring long electrode life by burning away carbon deposits. Designed and rigorously tested by GM engineers, this spark plug guarantees a perfect fit and reliable performance for Chevrolet, Buick, GMC, and Cadillac motorcycles.

Specifications

ASIN	B08N8GDN7K
Automotive Fit Type	Vehicle Specific Fit
Brand	ACDelco
Brand Name	ACDelco
Compatible with Vehicle Type	Motorcycle
Core Material	Iridium
Core material	Iridium
Customer Reviews	4.5 out of 5 stars 153 Reviews
Included Components	Spark Plug
Item Type Name	Iridium Plugs - GM,Iridium Plugs - GM
Manufacturer	ACDelco
Manufacturer Part Number	41-125
Model Number	41-125
Number of items	1
OEM Equivalent Part Number	12647827
Thread Size	14mm
Thread size	14mm
Top Material Type	Iridium
Top material type	Iridium
UPC	808709617181
Unit Count	1.0 count
Vehicle service type	Motorcycle

Reviews

C**U

Dire le nombre de pièces a vendre

L'image montre 4 bougies et j'ai reçu une seulement et ça deux fois

8.06.2026

M**.

Perfect

Perfect for 212 cc motor

21.06.2026

A**I

المنتج اصلي ولكن يباع بالحبة

المنتج اصلي من اي سي ديلكو ولكن يجب الانتباه لأن الوصف والصورة ٤ حبات والسعر المعروض للحبة، عند الطلب يجب الطلب بعدد الحبات المطلوبة.

18.12.2023

V**R

Bujías originales y bien protegidas

El paquete llegó en la fecha programada, eran 2 bujías y veían bien empaquetadas y protegidas

23.12.2025

M**E

Plugs

Work as it should

27.06.2026

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€ 58.09

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

Ali H.

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

1 day ago

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

2 weeks ago

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