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 41-156 Iridium Spark Plug

ACDelco GM Original Equipment 41-156 Iridium Spark Plug

Product ID: 144854730

Details

Brand
ACDelco
Core Material
Iridium
Thread Size
M14x1.25
Top Material Type
iridium
Vehicle Service Type
Motorcycle

⚡Stable engine idle & quick acceleration

🔥Iridium high melting point & strength

🛡️Suppressor seal blocks interference

96.42 DT

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Description

⚡ Ignite your drive with GM’s iridium precision spark plugs – where performance meets reliability!

ENHANCED IGNITION STABILITY - Enjoy reliable cold starts, smooth acceleration, and superior engine idle stability every time.
SEAMLESS OEM FIT PERFORMANCE - Exact replacement designed and validated by GM engineers for your Chevrolet, Buick, GMC, or Cadillac.
PRECISION ENGINEERED IRIDIUM CORE - Experience unmatched durability and wear resistance with cutting-edge iridium technology.
ADVANCED SUPPRESSOR SEAL TECHNOLOGY - Minimizes combustion leakage and blocks radio frequency interference to protect your vehicle’s electronics.
BACKED BY A 7 YEAR UNLIMITED MILE WARRANTY - Drive with confidence knowing your spark plugs are covered by GM’s trusted warranty.

The ACDelco GM Original Equipment 41-156 Iridium Spark Plug is a vehicle-specific, iridium-core spark plug engineered and rigorously tested by General Motors. It offers superior wear resistance, high melting point durability, and enhanced engine performance including stable idling, quick acceleration, and reliable cold starts. Featuring a three-piece suppressor seal, it prevents combustion leakage and blocks radio frequency interference, ensuring optimal vehicle electronics function. Backed by a 7-year unlimited mile warranty, it is the exact OEM replacement for Chevrolet, Buick, GMC, and Cadillac vehicles.

Specifications

ASIN	B071HPXS56
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#63,612 in Automotive ( See Top 100 in Automotive ) #411 in Automotive Replacement Spark Plugs
Brand Name	ACDelco
Compatible with Vehicle Type	Motorcycle
Core Material	Iridium
Customer Reviews	4.4 4.4 out of 5 stars (597)
Global Trade Identification Number	40808709663247
Included Components	1
Item Type Name	Iridium Spark Plugs
Manufacturer	ACDelco
Manufacturer Part Number	41-156
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	41-156
OEM Equivalent Part Number	12683541
Thread Size	M14x1.25
Top Material Type	iridium
UPC	808709663249
Unit Count	1.0 Count

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96.42 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

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