1998 Mercury Grand Marquis Ignition Parts

    • Denso®Spark Plug
      $3.18from $2.54
      (0)
      Mercury Grand Marquis 1998, Spark Plug by Denso®, 1 Piece. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you...
      OE quality parts from top original equipment and aftermarket manufacturerFast shipping; 1-2 day delivery time regardless of where you’re located
      # 21052686
    • Motorcraft®Spark Plug
      $5.10from $4.08
      (0)
      Mercury Grand Marquis 1998, Spark Plug by Motorcraft®, 1 Piece. Gap: .054. If you need to replace your worn-out spark plugs, Motorcraft is the way to go. Engineered specifically for your vehicle, their high melting point provides...
      Direct OEM replacementRecommended by Ford Motor Company
      # 24449210
    • NGK®Spark Plug
      $3.48from $2.78
      (0)
      Mercury Grand Marquis 1998, Spark Plug by NGK®, 1 Piece. With a solid copper core, triple-gasket sealing, corrosion resistant plating, cold-rolled threads, and corrugated ribs, these products provide a powerful spark for reliable...
      Designed for consistent performanceMeet OE quality, fit, and function
      # 22263134
    • Champion®Spark Plug
      $3.35from $2.68
      (0)
      Mercury Grand Marquis 1998, Spark Plug by Champion®, Gap: 0.054. Designed and manufactured to meet or exceed OE standards and specifications, these spark plugs by Champion ensure fast engine start-up and smooth acceleration. The...
      Designed to provide dependable and long-lasting performanceManufactured using the latest processes and equipment
      # 22267640
    • Autolite®Spark Plug
      $3.98from $3.18
      (0)
      Mercury Grand Marquis 1998, Spark Plug by Autolite®, 1 Piece. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products are made of...
      Designed for good conductivity and a strong spark for efficient combustionImprove engine power and fuel economy
      # 22435676
    • Motorcraft®Spark Plug Wire Set
      $83.96$67.17
      (0)
      Mercury Grand Marquis 1998, Spark Plug Wire Set by Motorcraft®. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft products meet stringent Ford Motor Company...
      Direct OEM replacementMeets strict Ford Motor Company standards
      # 24439179
    • Denso®Direct Ignition Coil
      $32.01$25.61
      (0)
      Mercury Grand Marquis 1998, Direct Ignition Coil - Coil on Plug by Denso®. A leader in direct ignition technology, Denso developed the auto industry's first compact stick-type ignition coil. The space-saving design, since adopted...
      Improved coil efficiency reduces the need to generate high voltageDriving circuit is integrated into top of coil
      # 21022519
    • Delphi®Direct Ignition Coil
      $42.74$34.19
      (0)
      Mercury Grand Marquis 1998, Direct Ignition Coil by Delphi®, Coil without Module; Coil Comes with Boot. 2 Pin Male Sealed Connector. Includes: Coil Unit. Plug Top Coil (PTC). Help ensure fast starts, consistent engine performance...
      Designed and endurance tested to resist the common stresses that cause failureEfficient coil design that ensures the power in the coil has a streamlined path to the spark plug
      # 24556357
    • Standard®Tru-Tech™ Ignition Coil
      $26.58$21.26
      (0)
      Mercury Grand Marquis 1998, Tru-Tech™ Ignition Coil by Standard®, Use 8 per Car. Type Connection: Valve Cover, Male, Female. 12 Volt. Terminal Type: Pin. Is your vehicle hard to start? Does it miss under load and idle rough? Is...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 23791372
    • Motorcraft®Ignition Coil
      $56.79$45.43
      (0)
      Mercury Grand Marquis 1998, Ignition Coil by Motorcraft®. If you are looking for a quality ignition coil, Motorcraft has the perfect product for you. The patented steel used in the lamination stack ensures a consistent magnetic...
      Direct OEM replacementRecommended by Ford Motor Company
      # 23873269
    • Beck Arnley®Ignition Coil
      $78.03$62.42
      (0)
      Mercury Grand Marquis 1998, Ignition Coil by Beck Arnley®, with Coil Pack. With Ignition Coil Pack. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in...
      OE quality products from top original equipmentTop quality materials
      # 36216526
    • Standard®Tru-Tech™ Ignition Starter Switch
      $24.96$19.97
      (0)
      Mercury Grand Marquis 1998, Tru-Tech™ Ignition Starter Switch by Standard®, Use 1 per Car. Type Connection: Female, Male. Terminal Type: Blade Terminals. Do you hear nothing but “click, click” when you turn the key? Is the...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 23795522
    • Motorcraft®Ignition Starter Switch
      $39.76$31.81
      (0)
      Mercury Grand Marquis 1998, Ignition Starter Switch by Motorcraft®. If you need to replace a defective switch, Motorcraft has the right product for you. Designed specifically for your vehicle, Motorcraft switches meet all...
      Direct OEM replacementAvailable for a wide range of automotive, marine, industrial, and farm applications
      # 24438763
    • Denso®Primary Ignition Wire
      $33.35$26.68
      (0)
      Mercury Grand Marquis 1998, Primary Ignition Wire - COP Boots by Denso®. The 7 and 8mm ignition wires are SAE J2031 Class E rated, the highest quality wire used in the industry. These wires can withstand temperatures from -40° to...
      Carbon impregnated fiberglass core for superior support conductivityFiberglass braid for maximum strength
      # 21024304
    • Standard®handypack™ Ignition Coil Connector
      $25.30$20.24
      (0)
      Mercury Grand Marquis 1998, handypack™ Ignition Coil Connector by Standard®. Black. 2 Terminal Female. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 43992461
    • Prenco®Direct Ign. Coil Boot
      $20.18$16.14
      (0)
      Mercury Grand Marquis 1998, Direct Ign. Coil Boot by Prenco®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you...
      # 7933425
    • Original Equipment®Direct Ignition Coil
      $56.71$45.37
      (0)
      Mercury Grand Marquis 1998, Direct Ignition Coil by Original Equipment®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but...
      # 43166504
    • Dorman®Spark Plug Non-Foulers
      $9.23$7.38
      (0)
      Mercury Grand Marquis 1998, Spark Plug Non-Foulers by Dorman®, 2 Pieces. The Spark Plug Non-Foulers prevent spark plug damage, repairing spark plug fouling in engines running too rich or oil issues to improve engine performance....
      Available in a range of sizesEasy to install
      # 31658946
    • Dorman®Ignition Coil Connector
      $18.96$15.17
      (0)
      Mercury Grand Marquis 1998, Ignition Coil Connector by Dorman®, 1 Piece. This is an aftermarket part that replaces factory OE # 3U2Z14S411SMA. Dorman offers a comprehensive line of Ignition Coil Connectors for a wide range of...
      Available in different wire configurations, including 2- and 3-wireDirect replacement Ignition Coil Connectors available (where applicable) to ensure a proper fit
      # 31663786
    • Dorman®Spark Plug Boot
      $12.30$9.84
      (0)
      Mercury Grand Marquis 1998, Spark Plug Boot by Dorman®, 1 Piece. Boot for Coil. This is an aftermarket part that replaces factory OE # F7TZ12A402AA. Dorman offers a line of Spark Plug Boots for a range of applications. All the...
      Easy to installComes with coil wire (where applicable)
      # 31664027
    • MSD®Ignition Coil
      $108.88from $87.10
      (0)
      Mercury Grand Marquis 1998, Ignition Coil by MSD®.
      # 13970387
    • Accel®Modular Super Coil
      $49.99from $39.99
      (0)
      Mercury Grand Marquis 1998, Modular Super Coil by Accel®. Primary Resistance 0.66 Ohms / Secondary 6.1 k Ohms. 2 Valve Direct Fire. Turn Ratio 61:1. Max Voltage 26000V. Accel Super Coils feature advanced bobbin technology, highly...
      The finest quality at a great priceImproves your engine's performance
      # 12690850
    • Karlyn STI®Direct Ignition Coil
      $2.86from $2.29
      (0)
      Mercury Grand Marquis 1998, Direct Ignition Coil by Karlyn STI®. STI. The ignition coil is one of the most important part in the ignition system. Ignition Coil aimed to provide the needed high voltage and ignition energy for...
      # 13587858
    • MSD®Ignition Coil Adapter
      $99.94$79.95
      (0)
      Mercury Grand Marquis 1998, Ignition Coil Adapter by MSD®. Dual Ignition Adapter; Ford Coil On Plug; One Required For Each Pair Of Coils.
      # 13952594
    • Taylor Cable®409 Pro Race Custom Spiral Core Wire Set
      $124.63$99.70
      (0)
      Mercury Grand Marquis V8 4.6L W Engine VIN Code 1998, 409 Pro Race Custom Spiral Core Wire Set by Taylor Cable®. Taylor’s biggest ignition wire is available in red or blue, in custom sets designed to fit muscle cars, performance...
      # 9388409
    • Taylor Cable®8mm Spiro Pro Ignition Wire Set
      $92.51$74.01
      (0)
      Mercury Grand Marquis V8 4.6L W Engine VIN Code 1998, 8mm Spiro Pro Ignition Wire Set by Taylor Cable®. These plug wires are the top choice of racers and street enthusiasts for their high performance at an affordable price. With...
      # 9395916
    • Taylor Cable®8mm Street Thunder Ignition Wire Set
      $54.53$43.62
      (0)
      Mercury Grand Marquis V8 4.6L 6 Engine VIN Code 1998, 8mm Street Thunder Ignition Wire Set by Taylor Cable®. Get great performance at an extremely affordable price with Taylor’s Street Thunder ignition wires. These 8mm wires...
      # 9401129
    • Taylor Cable®ThunderVolt™ 50 Ignition Wire Set
      $136.46$109.17
      (0)
      Mercury Grand Marquis V8 4.6L 6 Engine VIN Code 1998, Black ThunderVolt™ 50 Ignition Wire Set by Taylor Cable®. DYNO-Tested and Track Proven to provide 5 HP and 7 lbs. torque more than the competition, ThunderVolt 50 ignition...
      # 9401778
    • MSD®Ignition Wire Harness
      $146.00$116.80
      (0)
      Mercury Grand Marquis 1998, Ignition Wire Harness by MSD®. Dual DIS-4 Harness; To DIS-4 Ignition.
      # 13954605
    • Bosch®OE Fine Wire Spark Plug
      $5.83from $4.66
      (0)
      Mercury Grand Marquis 1998, OE Fine Wire Spark Plug by Bosch®. Bosch introduces the new OE Fine Wire Spark Plug family, which consists of Iridium, Double Platinum and Platinum plugs. Built around OE technology, these new lines have...
      OE specific design360-degree continuous laser welded platinum tip for durability and long life
      # 24012783
    • Bosch®Platinum+2 Spark Plug
      $8.45$6.76
      (0)
      Mercury Grand Marquis 1998, Platinum+2 Spark Plug by Bosch®. Set of 4. Gap: Preset. Replace your worn spark plugs with Platinum+2 which combines the advantages of platinum, multiple electrodes, and surface air gap technology to...
      Revolutionary firing technology delivers a longer, more powerful spark for optimum engine performanceTwo yttrium-enhanced ground electrodes
      # 24012777
    • E3®Spark Plug
      $7.44$5.95
      (0)
      Mercury Grand Marquis 1998, 0.690" Spark Plug by E3®, 1 Piece. With Tapered Seat. Thread Size: 14 mm. Hex Size: 5/8". If you need a replacement for your damaged spark plug, this is the part you should have. Featuring unique...
      Advanced DiamondFire electrode designProduces a faster burn
      # 12194236
    • Pulstar®PlasmaCore Series Inconel Electrode Pulse Plug
      $18.69from $14.95
      (0)
      Mercury Grand Marquis 1998, PlasmaCore Series Inconel Electrode Pulse Plug by Pulstar®. PlasmaCore Series Inconel Electrode Pulse Plug provides great fuel efficiency as well as better performance. Moreover this part will give you...
      Increased horsepowerBetter torque
      # 39697340
    Guides & Articles
    Since their inception at the start of the 20th century, motor vehicles with gasoline burning engines have needed a precise way to deliver an electrical spark to each of the engine's cylinders. (Note that diesel engines do not rely on an electrical spark to ignite the fuel-air mixture.) For much of the past 100 years, the spark has been delivered by the ignition...
    The question of whether to buy parts from an automotive dealer vs. ones from aftermarket manufacturers is as age-old as the automobile itself. Below, we'll take a look at things worth considering to help you make a better choice if you're facing that same question. Automobile manufacturers and dealerships always advertise the fact that their parts are "genuine"...
    This article will guide you through a generic tune up on most any car or light duty gasoline-powered vehicle built within the last 20 years or so. We will presume that you are tuning up your engine because it has reached the mileage or time point to do so, and that you are NOT performing a tune up to cure an engine performance defect. We make this distinction...