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Ford Explorer Sport Trac Spark Plug

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NGK G-Power 3403 Resistor Spark Plug - Copper Electrode Core, Platinum Electrode Tip, 17.55 mm Reach 14 mm Thread Size

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NGK TR55GP G-POWER PLATINUM SPARK PLUG, SOLD INDIVIDUALLY

NGK G-Power Spark Plug is a world class design that gives better fuel efficiency, lower emissions, and quicker starts.

Specifications:
  • 14 mm thread size
  • 17.55 mm reach
  • 16 mm hex size
  • 0.06 in. gap size
  • Tapered seat style
  • Resistor plug type
  • Projected tip
  • Solid terminal nut
  • Platinum tipped center electrode
  • Trapezoid beveled cut ground electrode

Features:
  • Extremely durable under high heat
  • Trivalent metal plating offers superior anti-corrosion and anti-seizing properties


  • Brand SKU#: NGK 3403
  • Series: NGK G-Power
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Gap Size: 1.5 mm
  • Notes: Platinum ZU; Ships to U.S. addresses only. Cannot be shipped internationally.
  • Reach: 17.55 mm
  • Spark Plug Code: TR55GP
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
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Fits the following Ford Explorer Sport Trac Years

  • 2001 | Base | 6 Cyl 4.0L
  • 2002 | XL | 6 Cyl 4.0L
  • 2003-2005 | XLS | 6 Cyl 4.0L
  • 2003-2005 | XLT | 6 Cyl 4.0L
  • 2005 | Adrenalin | 6 Cyl 4.0L
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Denso Standard 5023 Resistor Spark Plug - Copper Electrode Core, Electrode Tip, 18 mm Reach 14 mm Thread Size

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$6.47 $8.01 You Save $1.54 (19%)
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DENSO REGULAR CLASS TRADITIONAL SPARK PLUG

Denso's Regular Class Traditional Spark Plugs guarantee the quality of the product they produce because every component that leaves their factories has been designed with precision, manufactured to the strictest OE standards and subjected to rigorous safety and performance tests.

Specification:
  • 14 mm thread size
  • 18 mm reach
  • 0.63 in. hex size
  • 0.06 in. gap size
  • Tapered seat style
  • Resistor plug type
  • U-groove ground electrodes
  • Removable terminal
  • Projected tip
  • Heat range 16

Features:
  • Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
  • 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
  • Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles


  • Brand SKU#: Denso 5023
  • Series: Denso Standard
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Gap Size: 1.5 mm
  • Heat Range: 16
  • Notes: 5/8 in. hex size; Projected tip; Removable nut terminal type; Tapered seat style; Machine rolled threads; U-Groove electrode configuration
  • Reach: 18 mm
  • Spark Plug Code: T16EPR-U15
  • Thread Size: 14 mm
  • Warranty: 1-year Denso limited Warranty
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Fits the following Ford Explorer Sport Trac Years

  • 2001 | Base | 6 Cyl 4.0L
  • 2002 | XL | 6 Cyl 4.0L
  • 2003-2005 | XLT | 6 Cyl 4.0L
  • 2003-2005 | XLS | 6 Cyl 4.0L
  • 2005 | Adrenalin | 6 Cyl 4.0L
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Bosch Platinum+4 Spark Plug 4458 Resistor Spark Plug - Copper Electrode Core, Platinum Electrode Tip, 17.55 mm Reach 14 mm Thread Size

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BOSCH PLATINUM+4 SPARK PLUGS

  • Engineered with advanced surface air gap set-up for prolonged, more powerful spark
  • Features platinum center electrode tip and 4 yttrium-enhanced ground electrodes for greater efficiency and longer service life
  • Pre-gapped for fast, easy installation
  • Facilitates optimum fuel mileage, ultra-smooth acceleration and overall performance
  • Meticulously engineered to OE standards for precise fitment and functionality

Engineered with a platinum center electrode tip, 4 yttrium-enhanced ground electrodes and advanced surface air gap technologies, Bosch’s Platinum+4 spark plugs deliver a prolonged, more powerful spark for greater fuel efficiency, ultra-smooth acceleration and optimum, long-lasting engine performance. Bosch is one of the world’s largest suppliers of automotive aftermarket components with special expertise in ignition systems.

See product for application and installation details.
  • Brand SKU#: Bosch 4458
  • Series: Bosch Platinum+4 Spark Plug
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Heat Range: 8
  • Notes: 5/8 in. hex size; Projected tip; Tapered seat style
  • Reach: 17.55 mm
  • Spark Plug Code: HGR8DQP
  • Thread Size: 14 mm
  • Warranty: 1 year or 12,000-mile Bosch limited warranty
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Fits the following Ford Explorer Sport Trac Years

  • 2001 | Base | 6 Cyl 4.0L
  • 2002 | XL | 6 Cyl 4.0L
  • 2003-2005 | XLS | 6 Cyl 4.0L
  • 2003-2008 | XLT | 6 Cyl 4.0L
  • 2005 | Adrenalin | 6 Cyl 4.0L
  • 2007-2008 | Limited | 6 Cyl 4.0L
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AC Delco Professional Conventional R42LTS Resistor Spark Plug - Copper Electrode Core, Nickel alloy Electrode Tip, 17.55 mm Reach 14 mm Thread Size

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$4.28 $8.30 You Save $4.02 (48%)
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ACDELCO CONVENTIONAL OE REPLACEMENT SPARK PLUGS

Choose ACDelco’s Conventional OE replacement spark plugs for reliable firing and superior protection against rust and carbon fouling. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.

  • Strictly manufactured to provide reliable function
  • Copper-core electrode optimizes heat transfer and protects against carbon fouling
  • Ground and center electrode sheathing made with nickel-chrome alloy to prevent rust
  • Widespread coverage includes most older models
  • Hot-tip insulator designed for hot, rapid firing
  • Brand SKU#: AC Delco R42LTS
  • Series: AC Delco Professional Conventional
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 0.032 in.
  • Notes: 5/8 in. hex size; Tapered seat style
  • Reach: 17.55 mm
  • Spark Plug Code: R42LTS
  • Thread Size: 14 mm
  • Warranty: 1-year or 12,000-mile AC Delco limited warranty
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Fits the following Ford Explorer Sport Trac Years

  • 2001 | Base | 6 Cyl 4.0L
  • 2002 | XL | 6 Cyl 4.0L
  • 2003-2005 | XLS | 6 Cyl 4.0L
  • 2003-2005 | XLT | 6 Cyl 4.0L
  • 2005 | Adrenalin | 6 Cyl 4.0L
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Motorcraft Suppressor SP412 Resistor Spark Plug - Copper Electrode Core, Electrode Tip, 18 mm Reach 14 mm Thread Size

$6.09 $9.93 You Save $3.84 (39%)
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MOTORCRAFT SUPPRESSOR SPARK PLUG, NICKEL, SOLD INDIVIDUALLY

0.05 in. gap size, alternative plug; Delivers maximum voltage to the spark plug while maximizing performance and increases engine life; Resists corrosion and abrasion; Reduces the chance of misfire.


  • Brand SKU#: Motorcraft SP412
  • Series: Motorcraft Suppressor
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Gap Size: 0.053 in.
  • Notes: 5/8 in. hex size; Non-projected tip; Tapered seat style; Alternative plug type
  • Reach: 18 mm
  • Replaces OE Number: 12405
  • Spark Plug Code: AGSF24N
  • Thread Size: 14 mm
  • Warranty: 1 year or 12,000-mile Motorcraft limited warranty
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Fits the following Ford Explorer Sport Trac Years

  • 2007-2010 | Limited | 6 Cyl 4.0L
  • 2007-2010 | XLT | 6 Cyl 4.0L
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Champion Double Platinum 7989 Resistor Spark Plug - Copper Electrode Core, Platinum Electrode Tip, 25.4 mm Reach 15.5 mm Thread Size

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$20.06 $28.53 You Save $8.47 (30%)
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CHAMPION DOUBLE PLATINUM SPARK PLUG, SOLD INDIVIDUALLY

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 designed to reach operating temperatures quickly and maintain stable temperatures under varying engine loads. It is widely designed for distributorless ignition systems, these Champion Double Platinum Power spark plugs can maximize fuel efficiency and spark energy.

Specifications:
  • 16 mm thread size
  • platinum tipped center electrode
  • platinum tipped ground electrode

Features:
  • Platinum tipped for superior erosion resistance and spark for better performance
  • Engineered with triple sealed interior and copper core to reduce failure from heat and stress


  • Brand SKU#: Champion 7989
  • Series: Champion Double Platinum
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Gap Size: 1.12 mm
  • Notes: 9/16 in. hex size; Solid terminal type; Projected tip; Tapered seat style; Triple electrode configuration
  • Reach: 25.4 mm
  • Spark Plug Code: 7989
  • Thread Size: 15.5 mm
  • Warranty: 1-year Champion limited warranty
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Fits the following Ford Explorer Sport Trac Years

  • 2007-2008 | Limited | 8 Cyl 4.6L
  • 2007-2008 | XLT | 8 Cyl 4.6L
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MSD Iridium 37174 Resistor Spark Plug - Copper Electrode Core, Iridium Electrode Tip, 27 mm Reach 14 mm Thread Size

$46.15 $51.28 You Save $5.13 (10%)
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Availability: In Stock, 3-4 business days
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MSD – IRIDIUM PERFORMANCE SPARK PLUGS

These MSD performance spark plugs are made from extra tough and highly conductive Iridium along with a copper core and special ceramic casing to produce a hot spark that also stays cool to avoid detonation. They’re designed specifically to work with high output ignition systems such MSD’s and you can find them on the world’s fastest vehicles. From ignitions to distributors, starters to coils, from spark plugs to plug wires, there’s an MSD product to help you get the most out of your engine.

  • Used by top fuel drag cars, off-roaders and stock cars
  • Maximizes the power of high output ignitions
  • Iridium high-conductivity produces hot ignition spark
  • Center ground strap contains Yttrium for its high heat resistance
  • Spark isolation is improved thanks to high dielectric-strength ceramics
  • Heat-transferring copper core stays cooler to last longer
  • Machined electrodes for better flame exposure, improved combustion
  • Brand SKU#: MSD 37174
  • Series: MSD Iridium
  • Product Fit: Direct Fit
  • Quantity Sold: Set of 4
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 3-4 business days
  • Electrode Tip Material: Iridium
  • Heat Range: 7
  • Notes: 9/16 in. hex size; Projected insulator type; Tapered seat style; Iridium power electrode configuration
  • Reach: 27 mm
  • Spark Plug Code: 4IR7Y
  • Thread Size: 14 mm
  • Warranty: 1-year MSD limited warranty
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Fits the following Ford Explorer Sport Trac Years

  • 2008-2010 | Limited | 8 Cyl 4.6L
  • 2008-2010 | XLT | 8 Cyl 4.6L
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Pulstar Iridium Pulse AD1H10 Resistor Spark Plug - Copper Electrode Core, Iridium Electrode Tip, 18 mm Reach 14 mm Thread Size

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$14.95 $15.95 You Save $1.00 (6%)
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PULSTAR IRIDIUM PULSE SPARK PLUG, SOLD INDIVIDUALLY

Pulstar Pulse Spark Plug contains integrated electrical capacitor that focuses on the energy of the plug. Its electrical energy delivers the fuel mixture far beyond the typical conventional spark plugs and produces not only better fuel efficiency, but also increased torque and horsepower.

Specifications:
  • 14 mm thread size
  • 18 mm reach
  • 16 mm hex size
  • 1.14 mm gap
  • 0.5 mm fine-wire iridium tipped center electrode with copper core
  • Tapered seat
  • Resistor
  • Nickel alloy ground electrode

Features:
  • Latest in performance ignition technology
  • Provides up to 12 percent more horsepower and torque plus livelier throttle response than conventional spark plugs
  • Allows more efficient burning of fuel and generates a much larger spark at twice the speed than ordinary spark plugs
  • Promotes an increased gas mileage and greater horsepower to the wheels
  • Reduces carbon dioxide emissions and provides cleaner exhaust and more efficient combustion
  • Uses an internal circuit that delivers up to 1,000,000 watts of peak power that increases peak spark current by up to 20,000 times that of a traditional spark plug


  • Brand SKU#: Pulstar AD1H10
  • Series: Pulstar Iridium Pulse
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Iridium
  • Gap Size: 1 mm
  • Heat Range: 1
  • Notes: 5/8 in. hex size; Projected tip; Solid terminal type; Tapered seat style; High mass electrode
  • Reach: 18 mm
  • Spark Plug Code: AD1H10
  • Thread Size: 14 mm
  • Warranty: Lifetime Pulstar limited warranty
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Fits the following Ford Explorer Sport Trac Years

  • 2001 | Base | 6 Cyl 4.0L
  • 2002 | XL | 6 Cyl 4.0L
  • 2003-2005 | XLS | 6 Cyl 4.0L
  • 2003-2010 | XLT | 6 Cyl 4.0L
  • 2005 | Adrenalin | 6 Cyl 4.0L
  • 2007-2010 | Limited | 6 Cyl 4.0L
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