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Spark Plug for 2003 Mercury Marauder

We have 23 Items In-stock. Select your vehicle's Submodel to continue.

NGK Iridium IX OE replacement Spark Plug

NGK Iridium IX OE Replacement Spark Plug

NGK Iridium IX Spark Plugs are engineered from iridium alloy material that has extremely high melting point, making it perfect for today's high-tech and high performance engines. These are manufactured to meet and even exceed OE part specifications that ensure precise fit and function with improved wear life.

Features:

Improves throttle response and superior anti fouling that deliver an outstanding acceleration, high fuel efficiency, and durability

Fine Iridium tip ensures high durability and consistent stable spark while their trivalent metal plating offers superior anti-corrosion and anti-seizing properties

NGK Spark Plug, NGK Iridium IX, Direct Fit, Sold Individually
$11.25 List Price $18.87 Save $7.62 Availability: In Stock
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  • SKU#: NG7164
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Iridium
  • Gap Size: 1.5 mm
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
  • Reach: 17.55 mm
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
see more Fits the following 2003 Mercury Marauder submodels:
  • 8 Cyl 4.6L | Base
Rating: (see review/s)

"This is a high quality spark plug. Immediately improved sluggish performance." posted by: on March 29, 2009

"excellent plugs wouldnt go without them. great power boost for the buck, and they last a very long time, which is important when working on a trans am because it is so difficult to get to tune up parts on the engine for replacement." posted by: turbo on March 6, 2009

NGK Spark Plug

NGK V-Power Spark Plugs come with unique V-power design that directs spark to the edge of the electrode where it develops more rapidly to improve ignitability unlike other OE products.


Features:

  • Increase ignitability even in lean burn conditions and lower ignition system voltage requirements
  • Increase fuel economy and lower emissions
  • Trivalent metal plating has superior anti-corrosion and anti-seizing properties
  • Highly durable against electrical and chemical wear
NGK Spark Plug, NGK V-Power, Direct Fit, Sold Individually
$5.38 List Price $6.35 Save $0.97 Availability: In Stock
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  • SKU#: NG3951
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 1.5 mm
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
  • Reach: 17.55 mm
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
see more Fits the following 2003 Mercury Marauder submodels:
  • 8 Cyl 4.6L | Base

NGK Laser Platinum Spark Plug

NGK Laser Platinum Spark Plugs are produced through laser welded platinum center electrode tip and platinum disc to backside of ground electrode, providing stable idle, superior anti-fouling, improved fuel efficiency and lower emissions to ensure longer service life.


Features:

  • Provides superior ignitability
  • Trivalent metal plating offers superior anti-corrosion and anti-seizing properties
  • OE spark plug available with an OE approved design
NGK Spark Plug, NGK Laser Platinum, Direct Fit, Sold Individually
$21.92 List Price $25.87 Save $3.95 Availability: In Stock
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  • SKU#: NG6579
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Iridium/Platinum
  • Gap Size: 1.1 mm
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
  • Reach: 17.55 mm
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
see more Fits the following 2003 Mercury Marauder submodels:
  • 8 Cyl 4.6L | Base

NGK Laser Iridium OE replacement Spark Plug

NGK Laser Iridium Spark Plug series provides superior ignitability and long service life. The smallest tip diameter Iridium or Platinum surface ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency, and lower emissions.


Features:

  • Ultimate evolution of spark plug technology and performance
  • Reduces the voltage requirement for spark which allows for a brighter and stronger spark from the existing ignition system
  • Iridium tipped fine wire center electrode is both stronger and harder than Platinum, while the Platinum tipped ground electrode further contributes toward the extreme longevity of the plug
  • Special design firing end construction
NGK Spark Plug, NGK Laser Iridium, Direct Fit, Sold Individually
$22.68 List Price $26.76 Save $4.08 Availability: In Stock
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  • SKU#: NG97287
  • Electrode Core Material: Iridium
  • Anticipated Ship Out Time: 1-2 Business Days
Fits the following 2003 Mercury Marauder submodels:
  • 8 Cyl 4.6L | Base

Denso Spark Plug

Denso's Premium Class Double Platinum Spark Plugs provides the most durable and reliable performance by incorporating the latest and most reliable design and materials for a spark plug. Denso applied platinum to both the center and ground electrodes with superior resistance to erosion and corrosion which enables Denso to create a spark plug capable of consistent, extended operation in excess of 60,000 miles.


Features:

  • Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
  • Five-rib design prevents flashover while decreasing voltage loss
  • Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
  • Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
Denso Spark Plug, Denso Standard, Direct Fit, Sold Individually
$6.55 List Price $7.73 Save $1.18 Availability: In Stock
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  • SKU#: NPT16EPRU15
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 1.5 mm
  • Reach: 18 mm
  • Thread Size: 14 mm
  • Warranty: 12-month Denso limited warranty
see more Fits the following 2003 Mercury Marauder submodels:
  • 8 Cyl 4.6L | Base
Denso Spark Plug, Denso Standard, Direct Fit, Sold Individually
$4.74 List Price $5.59 Save $0.85 Availability: In Stock
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  • SKU#: NP5023
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Gap Size: 0.06 in.
  • Reach: 18 mm
  • Thread Size: 14 mm
  • Warranty: 12-month Denso limited warranty
see more Fits the following 2003 Mercury Marauder submodels:
  • 8 Cyl 4.6L | Base
Denso Spark Plug, Denso Platinum TT, Direct Fit, Sold Individually
$8.49 List Price $10.02 Save $1.53 Availability: In Stock
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  • SKU#: NP4511
  • Electrode Core Material: Platinum
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Gap Size: 1.02 mm
  • Reach: 18 mm
  • Thread Size: 14 mm
see more Fits the following 2003 Mercury Marauder submodels:
  • 8 Cyl 4.6L | Base

More results for 2003 Mercury Marauder Spark Plug

DENSO IRIDIUM POWER OE REPLACEMENT SPARK PLUG
Premium Class Iridium Spark Plugs from Denso are fast becoming the standard for today's high-tech engines. Employing a revolutionary 360 degrees laser welding process, Denso has created a spark plug... (see more)
DENSO PLATINUM TT OE REPLACEMENT SPARK PLUG

Denso Platinum TT OE Replacement Spark Plug

Denso is the world's leading provider of high quality automotive merchandises which are engineered from the modernized facilities and equipments. Denso's... (see more)

DENSO DOUBLE PLATINUM OE REPLACEMENT SPARK PLUG
Denso's Premium Class Double Platinum Spark Plugs applied platinum to both the center and ground electrodes with superior resistance to erosion and corrosion. This design translates into a spark plug... (see more)
BOSCH PLATINUM+4 SPARK PLUG
Bosch Premium Class Platinum+4 Spark Plug contains the most platinum in the Bosch Platinum Plug Series and has a unique firing technology that combines the advantages of surface air gap technology... (see more)
BOSCH SUPER PLUS SPARK PLUG
Bosch Regular Class Super Plus Spark Plug has a heavy duty yttrium enhanced copper core center electrode for superior reliability and increased resistance to spark erosion.

Features:

MOTORCRAFT OE REPLACEMENT SPARK PLUG
When fixing the spark plug of your electrical system, Motorcraft has the most suitable original equipment (OE) quality auto part for your car or truck. To guarantee exact fit and the best possible... (see more)
CHAMPION SPARK PLUG
Champion Double Platinum Power Spark Plugs use a fine-wire and V-trimmed center electrode to create a sharper spark focus than conventional plugs. With their exclusive Heat-Active alloy, they are... (see more)