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Mercury Mountaineer Spark Plug

We have 8 Items In-stock. Select a year to continue.
$4.26 List Price $5.03 Save $0.77 Availability: In Stock
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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


  • SKU#: NG3403
  • Brand: NGK
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Gap Size: 1.5 mm
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Fits the following Mercury Mountaineer Years:
  • 2006 | 6 Cyl 4.0L | Convenience, Luxury
  • 2004-2005 | 8 Cyl 4.6L | Premier
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Rating: (see review/s)

"Great experience, ease of ordering, shippedon time, great product and reasonablely priced." posted by: Len on December 5, 2009

"Not much to say about spark plugs except my engine (Ford OHV 3.0 Taurus) is purring away after I installed these and the Bosch Wire Set I got with it." posted by: Fixinmyfordagain on September 26, 2009 view all 2 reviews

$12.07 List Price $14.24 Save $2.17 Availability: In Stock
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DENSO PREMIUM CLASS IRIDIUM SPARK PLUG

Denso's Premium Class Iridium Spark Plugs is fast becoming the standard for today's high-tech engines. Employing a revolutionary 360 degrees laser welding process, Denso has created a spark plug unlike anything on the market today. Designed for durability under the most extreme conditions. Denso's patented Iridium alloy is 6 times harder and 8 times stronger than conventional platinum and can handle temperatures in excess of 4,000 degrees Fahrenheit.

Specification:
  • 14 mm thread size
  • 18 mm reach
  • 0.63 in. hex size
  • 0.04 in. gap size
  • Tapered seat style
  • Resistor plug type
  • 0.4 mm iridium center electrode
  • Tapered cut U-groove ground electrode
  • Removable terminal
  • Heat range 16

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
  • Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles


  • SKU#: NPIT16
  • Brand: Denso
  • Electrode Core Material: Iridium
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Gap Size: 1.1 mm
(see more)
Fits the following Mercury Mountaineer Years:
  • 2006 | 6 Cyl 4.0L | Convenience, Luxury
  • 2005 | 6 Cyl 4.0L | Premier
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$5.95 List Price $13.80 Save $7.85 Availability: In Stock
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Bosch
Bosch is one of the largest global suppliers of automotive products, developing, manufacturing and supplying precision OE components and systems to vehicle manufacturers and the automotive aftermarket.

Platinum+4
  • SKU#: W0133-1636072
  • Brand: Bosch
  • Fit Note: Platinum 2 Double the amount of pre platinum with two electrodes and surface air gap technology for a more powerful spark., w/ Double Platinum Plug
 
Fits the following Mercury Mountaineer Years:
  • 2006 | 6 Cyl 4.0L | Convenience, Luxury
  • 1998-2001 | 8 Cyl 5.0L | Base
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Rating: (see review/s)

"Put these in a 1995 Explorer (120k miles, 4.0 V6) replacing 25k single Bosch Plat plug. Found a questionable wire in the process so did those too. WOW! Smoother, better performance and better mpg. What is not to like? Towed better too. And just passed CA smog with cleaner results then 2 years ago on the single Plat plugs. Guess I'll keep the car a while longer... wish it would die...." posted by: Ford Guy on October 8, 2010

"2000 Chevy 1500 V8. Runs like a brand new truck. Add a good set of wires and you'll add 2mpg to fuel economy. What a tune up" posted by: Kirk on March 3, 2009 view all 5 reviews

$5.94 List Price $7.01 Save $1.07 Availability: In Stock
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AC DELCO SPARK PLUG ASSEMBLY, SOLD INDIVIDUALLY -- Constructed from top quality materials to help the engine run clean and longer; Features a copper-core center electrode for improved heat transfer to the tip; Hot-tip insulators heats fast and fires hot to promote longer electrode life for miles of dependable performance; Nickel-chrome alloy sheathing on the ground and center electrodes offers maximum resistance against wear from spark erosion and the corrosive environment of the combustion chamber; Engineered to high standards and tested under extreme conditions to exceed OE specifications; Replaces OE number 25171347.
  • SKU#: AC8
  • Brand: AC Delco
  • Fit Note: Truck
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Gap Size: OE Replacement
(see more)
Fits the following Mercury Mountaineer Years:
  • 2002-2004 | 6 Cyl 4.0L | Base
  • 1998-2004 | 6 Cyl 4.0L | Base
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$7.62 List Price $8.99 Save $1.37 Availability: In Stock
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MOTORCRAFT SUPPRESSOR SPARK PLUG, SINGLE PLATINUM, SOLD INDIVIDUALLY

0.03 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.


  • SKU#: MISP493
  • Brand: Motorcraft
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 12-month or 12,000-mile Motorcraft limited warranty
 
Fits the following Mercury Mountaineer Years:
  • 2004-2005 | 8 Cyl 4.6L | Premier
  • 2002-2005 | 8 Cyl 4.6L | Base
Rating: (see review/s)

"Good spark plug for Oem replacement. You can get them cheaper at a Dealer though." posted by: Rip on March 6, 2008

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$15.32 List Price $18.08 Save $2.76 Availability: In Stock
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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:
  • 15.5 mm thread diameter
  • 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


  • SKU#: C337989
  • Brand: Champion
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Reach: 15.5 mm
(see more)
Fits the following Mercury Mountaineer Years:
  • 2006-2008 | 8 Cyl 4.6L | Premier
  • 2006 | 8 Cyl 4.6L | Luxury
Rating: (see review/s)

"I installed a set of these Champions after 6 of 8 OE plugs broke off in head. I have about 5K miles on my Champions and I can't find any fault with them. Runs as good if not better than my old Motorcraft plugs. Increased throttle response, easy starts, smooth idle, engine pulls hard all the way to red line. I highly recommend." posted by: Jim on August 4, 2008

$5.95 List Price $8.99 Save $3.04 Availability: In Stock
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E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 17.52 mm reach, 0.62 in. hex size, tapered seat, resistor, 1.5 mm non-adjustable gap size, copper core electrode material, nickel alloy electrode tip material, projected insulator type; Guaranteed to provide more power while using less fuel, quicker starts and less fouling than competitive standard spark plugs.
  • SKU#: PYRE362
  • Brand: E3
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Product Class: Fuel saver
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Nickel alloy
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Fits the following Mercury Mountaineer Years:
  • 2004-2005 | 8 Cyl 4.6L | Premier
  • 2002-2005 | 8 Cyl 4.6L | Base
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Rating: (see review/s)

"I replaced 4 original spark plugs with E3s. Car ran well for 57 miles then picked up a misfire. I checked everything but the spark plugs trying to figure out what was wrong. I had changed plug wires and coil pack at the same time. After exhausting all else I pulled the brand new plugs only to discover the #4 plug was not firing properly. Replaced it and the car is fine. All plugs will be replaced now! I have never had a brand new plug short out in my 45 years of working on my own cars." posted by: Jim on October 3, 2011

"dont recommend in a 1999 chevy cavalier 2.4 l. they make the engine misfire. had to change back to the good old double platinum and the misfires stopped." posted by: on January 22, 2011 view all 5 reviews

$14.12 List Price $19.25 Save $5.13 Availability: In Stock
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ACCEL U-GROOVE PERFORMANCE SPARK PLUG, SOLD INDIVIDUALLY -- Resistor type; Features a unique U-groove ground electrode developed to meet the demand for improved ignitability and increased fuel combustion resulting in less flame dissipation; Gives the flame a groove to grow in that creates a larger flame front for a more complete combustion even in the case of lean air-fuel mixture; Produces greater firing energy and larger spark nucleus that stimulates faster combustion; Provides an increase in performance with improved throttle response, greater fuel efficiency and reduced emissions.
  • SKU#: A35P526S
  • Brand: Accel
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Copper
  • Reach: 0.71 in.
(see more)
Fits the following Mercury Mountaineer Years:
  • 1997-1998 | 8 Cyl 5.0L | Base
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