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NGK Laser Iridium Spark Plug - NGK (6544)

NGK part # 6544

NGKMPN6544
Description : NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
Laser Iridium Spark Plug
OE Series Laser Iridium Spark Plug: Fine Wire Tip, IMR9D-9H
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Product Details

Description

NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
Laser Iridium Spark Plug
OE Series Laser Iridium Spark Plug: Fine Wire Tip, IMR9D-9H

Features & Benefits

  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs

Part Number (MPN)
6544
Brand
SKU
6544
Condition
New
Superseded Part Number(s)
4888
Brand
NGK Laser Iridium
Center Electrode Core Material
Copper
Center Electrode Design
Fine Wire
Center Electrode Tip Material
Iridium
Electrical Terminal Type
Non-Removable Nut
Grade Type
Regular
Ground Configuration
Standard
Ground Electrode Core Material
Nickel
Ground Electrode Quantity
1
Ground Electrode Tip Design
Taper Cut
Ground Electrode Tip Material
Platinum
Hex Size
5/8
Insulator Height
50.00
Manufacturer Heat Range
9
Part Number
IMR9D-9H
Pre-Gap Size
.036
Reach
.75
Resistance
5000.0
Resistor Type
Yes
Seat Type
Flat
Stock Number
6544
Thread Diameter
10.00
UPC
00087295165447
Washer Included
Yes

YearMakeModelBody & TrimEngine & Transmission
Vehicle #1
Year
Make
Model
Body & Trim
Engine & Transmission

BrandEquivalent Part Numbers

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BrandEquivalent Part Numbers
Honda
31911-HW1-671
NGK
6544, IMR9D-9H

Shipping Policy

At Restauco Parts, we ship to the 48 contiguous U.S. states and Puerto Rico. Every order ships from our supplier's authorized warehouses located in the United States. At this time we do not ship to Alaska, Hawaii, the U.S. Virgin Islands, Guam or other U.S. territories... Check out our Shipping Policy for more details.

Return Policy

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return... Check out our Return Policy for more details.


NGK

NGK spark plugs deliver superior ignition performance and longevity, making them the go-to choice for engine efficiency and reliability. Shop NGK premium and standard spark plugs at Restauco and maintain optimal combustion performance across all 50 states. Order replacement NGK ignition components engineered with advanced materials for extended service intervals. Buy NGK auto parts online with free nationwide shipping and keep your engine firing efficiently with trusted Japanese engineering.

Browse the Full NGK Parts Catalog

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