1973 Mercury Marquis Spark Plugs

Change Vehicle
Show items:
Sort by:
    • (0 reviews)
      # 100115021
      Mercury Marquis with Tapered Seat 1973, Spark Plug by NGK®. 5kOhm. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior anti-fouling, these spark plugs are a great option for...
      Designed for outstanding acceleration, high fuel efficiency, and durabilityEnsure a consistently stable spark
      $6.44
    • (0 reviews)
      # 100115025
      Mercury Marquis with Tapered Seat 1973, Nickel Spark Plug by NGK®. 5kOhm. These spark plugs offer higher performance compared to standard plugs. They feature a V-groove center electrode and concave ground electrode that lowers ignition...
      Lower ignition system voltage requirementsGreater ignitability and performance over conventional spark plugs
      $1.58 - $1.66
    • (0 reviews)
      # 100115018
      Mercury Marquis with Tapered Seat 1973, Platinum Spark Plug by NGK®. 5kOhm. These spark plugs by NGK are designed to improve fuel efficiency, lower emissions, and provide quicker starts while remaining durable under high heat. With...
      Designed for faster starts and quicker accelerationBetter fuel economy and lower emissions compared to a traditional plug
      $2.65
    • (0 reviews)
      # 524070677
      Mercury Marquis 1973, Spark Plug by Denso®. Iridium Ultimate Endurance and Power - Performance Upgrade with World's Smallest Center Electrode (0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology) & Tapered Tip Patented U-Groove Design...
      0.4mm iridium center electrodeTapered cut, U-Groove ground electrode
      $5.70
    • (0 reviews)
      # 524020923
      Mercury Marquis 1973, Spark Plug by Denso®. Ultimate Endurance and Power. 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used...
      Designed to replace your factory spark plugsManufactured to stringent quality standards
      $6.19
    • (0 reviews)
      # 337996683
      Mercury Marquis 1973, Original U-Groove Nickel Spark Plug by Denso®. OE Recommended Resistor Plug with Patented U-Groove Design. Denso's patented U-Groove spark plug enables complete combustion by allowing the spark to fill the gap...
      100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivity
      $1.60
    • (0 reviews)
      # mpn4075457568
      Mercury Marquis 1973, Platinum TT™ Platinum Spark Plug by Denso®. Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap. The Platinum TT™ concept originated from Denso's latest...
      1.1mm platinum center electrodeTitanium-enhanced alloy ground electrode
      $2.47
    • (0 reviews)
      # mpn1436633
      Mercury Marquis 1973, Finewire Platinum Spark Plug by Motorcraft®. 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...
      Direct OEM replacementRecommended by Ford Motor Company
      $4.98
    • (0 reviews)
      # 143958791
      Mercury Marquis 1973, Platinum Spark Plug by Motorcraft®. 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 waste your...
      Direct OEM replacementRecommended by Ford Motor Company
      $2.41 - $2.61
    • (0 reviews)
      # mpn1404076
      Mercury Marquis 1973, Copper Spark Plug by Motorcraft®. 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 waste your...
      Direct OEM replacementRecommended by Ford Motor Company
      $1.86
    • (0 reviews)
      # mpn4476750010
      Mercury Marquis with Windsor Engine 5.8L 1973, Champion Copper Plus Spark Plug by Champion®. Thanks to the superior conductivity and performance from their copper core and the superior durability provided by nickel alloy center and...
      Designed for dependable performance and superior durabilityCopper core center electrode allows for an increase in conductivity and accurate control of heat range optimizing plug performance and longevity
      $1.60
    • (0 reviews)
      # 524052640
      Mercury Marquis 1973, Copper Spark Plug by Champion®. 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 products are made...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $1.50
    • (0 reviews)
      # 524064862
      Mercury Marquis with Tapered Seat 1973, Double Platinum Spark Plug by Champion®. With platinum fine wire welded onto the nickel alloy center electrode and a platinum pad welded to the ground electrode, these products provide...
      Designed to provide dependable and long-lasting performancePlatinum center and ground electrodes ensure longer life
      $4.67
    • (0 reviews)
      # 524044947
      Mercury Marquis with Tapered Seat 1973, Platinum Power Spark Plug by Champion®. If your vehicle is equipped with standard nickel/copper type, these spark plugs by Champion are an excellent choice. They offer the superior durability of...
      Provide dependable performance and extended durabilityPlatinum center electrode for long life
      $2.18
    • (0 reviews)
      # mpn2371009
      Mercury Marquis with Tapered Seat 1973, Spark Plug Non-Fouler by Dorman®. 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. Dorman...
      Available in a range of sizesEasy to install
      $2.43
    • (0 reviews)
      # mpn610234078
      Mercury Marquis A / N / S Engine VIN Character 1973, Super Plus Spark Plug by Bosch®. Pack of 1. Gap: 0.9 mm. Thread Diameter: 14 mm. Thread Length: 11.2 mm. Insulator Material: Ceramic. Ground Configuration: Standard. Center Electrode...
      Heavy-duty yttrium-enhanced copper core center electrode for a 50% longer performance life vs. even OE plugsTapered, v-profile nickel chromium ground electrode for improved starting in cold weather and increased fuel ignitability
      $3.13
    • (0 reviews)
      # 371787517
      Mercury Marquis 6.6L / 7.0L / 7.5L 1973, U-Groove HP Copper Spark Plug by Accel®. ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high...
      Heat Range 6Tapered Seat
      $3.38 - $26.25
    • (0 reviews)
      # 89594242
      Mercury Marquis 1973, U-Groove Header Spark Plug by Accel®. Designed utilizing the latest technology, this product by Accel features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      U-Groove designed for spark deliveryCopper core utilized for maximum spark
      $19.93 - $31.49
    • (0 reviews)
      # 87472602
      Mercury Marquis 1973, Performance Spark Plug by Nitrode®. The Nitrode™ spark plugs is positioned to be the world's "greenest" most environmentally friendly spark plugs on the planet. Reducing fuel consumption and emissions while...
      The Nitrode™ is made with a proprietary ceramic exclusively used for this spark plugThis unique ceramic is over 10% harder than any ceramic know today
      $8.09
    • (1 review)
      # 39697383
      Mercury Marquis A / H / N / S Engine VIN Character 1973, PlasmaCore Series Inconel Electrode Pulse Plug by Pulstar®. PlasmaCore Series Inconel Electrode Pulse Plug provides great fuel efficiency as well as better performance. Moreover...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • (0 reviews)
      # 113979562
      Mercury Marquis 1973, Copper Resistor Spark Plug by Autolite®. Quantity: 1. OE Style. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The...
      Designed for good conductivity and a strong spark for efficient combustionImprove engine power and fuel economy
      $2.44
    • (0 reviews)
      # 363282392
      Mercury Marquis 1973, Iridium Spark Plug by MSD®. Plug Gap: 0.035". Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.44 - $25.91
    • (0 reviews)
      # mpn1588573094
      Laser Iridium™ Spark Plug by NGK®. NGK's Laser Iridium Spark Plugs Provide Superior Ignitability and Long Service Life.Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate...
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $14.91
    • (0 reviews)
      # mpn1588574934
      Multi-Ground Spark Plug by NGK®. Multi-Ground Electrodes Improve Ignition Capabilities and are Less Sensitive to Increased Voltage Requirements Due to Gap Growth.Designed to Specific Manufacturer Ignition Requirements, NGK's...
      Corrugated Ribs to Prevent FlashoverPure Alumina Silicate Ceramic Insulator, Providing Superior Strength and Better Heat Transfer
      $8.44
    • (0 reviews)
      # mpn1588572175
      Standard Resistor Spark Plug by NGK®. Multi-Ground Electrodes Improve Ignition Capabilities and are Less Sensitive to Increased Voltage Requirements Due to Gap Growth.Designed to Specific Manufacturer Ignition Requirements, NGK's...
      Corrugated Ribs to Prevent FlashoverPure Alumina Silicate Ceramic Insulator, Providing Superior Strength and Better Heat Transfer
      $9.39
    • (0 reviews)
      # mpn1588572325
      Standard Resistor Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $3.08
    • (0 reviews)
      # mpn1588572215
      Standard Resistor Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $6.01
    • (0 reviews)
      # mpn1588571514
      Standard Resistor Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $3.13
    • (0 reviews)
      # mpn1588572774
      Standard Resistor Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $2.89
    • (0 reviews)
      # mpn1588572274
      Standard Resistor Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $2.86
    • (0 reviews)
      # mpn1588573034
      Standard Resistor Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $2.93
    • (0 reviews)
      # mpn1588574254
      Standard Resistor Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $6.01
    • (0 reviews)
      # mpn1802558
      Standard Resistor Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $2.89
    • (0 reviews)
      # mpn1588573854
      Standard Resistor Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $2.88
    • (0 reviews)
      # mpn1588573385
      Standard Resistor Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $6.73
    • (0 reviews)
      # mpn1437859062
      Standard Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $9.09
    • (0 reviews)
      # mpn1588572444
      Standard Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $2.79
    • (0 reviews)
      # mpn1588572824
      Standard Spark Plug by NGK®. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $2.99
    • (0 reviews)
      # mpn1588573235
      V-Power™ Spark Plug by NGK®. NGK's V-Power Plugs Feature a Unique V-Cut in the Center Electrode that Directs the Spark to the Edge of the Electrode, Helping the Spark Develop More Rapidly, Increasing Ignitability and Reducing Quenching.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $8.08
    • (0 reviews)
      # mpn1588574565
      V-Power™ Spark Plug by NGK®. NGK's V-Power Plugs Feature a Unique V-Cut in the Center Electrode that Directs the Spark to the Edge of the Electrode, Helping the Spark Develop More Rapidly, Increasing Ignitability and Reducing Quenching.
      Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent Flashover
      $4.26


    Popular Products



    1973 Mercury Marquis Spark Plugs Reviews

    Average rating:  4.5  4.5 - 3 reviews
    4 of 5
    4 ****
    The product work great and way easy to install. Although nothing is ever easy but this tool made the project a lot easier.
    SPosted by Shawn (Monroeville, NJ) / December 16, 2016
    Was this review helpful for you? Yes
    View More

    Related 1973 Mercury Marquis Pages
    1973 Mercury Marquis Models
    SECURE SHOPPING

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only.
    It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.