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 Specialty MR43T (19157985) Marine Spark Plug (Pack of 1)

ACDelco Specialty MR43T (19157985) Marine Spark Plug (Pack of 1)

Product ID: 1744788

Details

Brand
ACDelco
Core Material
Copper
Thread Size
14mm
Top Material Type
Nickel
Vehicle Service Type
Watercraft

⚡Pre-gapped for peak ignition

🔥Hot-tip insulator for longer life

🛥️Watercraft-specific fit

7831CFA

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Description

⚡ Ignite your marine engine’s full potential with ACDelco’s spark plug power!

RIBBED SUPPRESSOR SEAL - Minimizes misfires and spark flash-over for smooth, uninterrupted power.
COPPER CORE HEAT TRANSFER - Superior heat dissipation reduces fouling and boosts reliability on every ride.
WATERCRAFT OPTIMIZED DESIGN - Tailored fit ensures peak performance and durability in marine environments.
HOT TIP INSULATOR TECHNOLOGY - Fires hotter and faster to extend electrode life and maximize engine efficiency.
PRECISION PRE GAPPED PERFORMANCE - Engineered to your manufacturer's specs for flawless ignition every time.

The ACDelco Specialty MR43T marine spark plug is a watercraft-specific ignition component featuring a copper-core electrode for enhanced heat transfer, a ribbed suppressor seal to prevent misfires, and a hot-tip insulator that promotes longer electrode life. Pre-gapped to manufacturer specifications, it ensures optimal engine performance, fuel efficiency, and durability in marine conditions.

Specifications

ASIN	B0016HNPNU
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#277,322 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #402 in Lawn Mower Spark Plugs #2,841 in Automotive Replacement Spark Plugs
Brand Name	ACDelco
Compatible with Vehicle Type	Watercraft
Core Material	Copper
Customer Reviews	4.7 4.7 out of 5 stars (1,140)
Global Trade Identification Number	00808709617204, 40707773188338
Included Components	Spark Plug (1)
Item Type Name	Spark Plug
Item Weight	1.44 ounces
Manufacturer	Quicksilver
Manufacturer Part Number	19157985
Model Number	898264001
OEM Equivalent Part Number	19157985
Thread Size	14mm
Top Material Type	Nickel
UPC	612520577247 808709617204 036666100716 707773188330
Unit Count	1 Count

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7831CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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