1977 Mercury Comet Spark Plugs

Change Vehicle
Show items:
Sort by:
    • (0 reviews)
      # 100114716
      Mercury Comet with Tapered Seat 1977, 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 modified...
      Designed for outstanding acceleration, high fuel efficiency, and durabilityEnsure a consistently stable spark
      $6.44
    • (0 reviews)
      # 100114719
      Mercury Comet with Tapered Seat 1977, 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
      $1.66 - $1.69
    • (0 reviews)
      # mpn1775372
      Mercury Comet with Tapered Seat 5.0L 1977, G-Power™ 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...
      Designed for faster starts and quicker accelerationBetter fuel economy and lower emissions compared to a traditional plug
      $2.65
    • (0 reviews)
      # mpn4075458083
      Mercury Comet 5.0L 1977, Iridium Power™ 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...
      0.4mm iridium center electrodeTapered cut, U-Groove ground electrode
      $5.70
    • (0 reviews)
      # mpn4075457826
      Mercury Comet 5.0L 1977, Iridium TT™ 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...
      Designed to replace your factory spark plugsManufactured to stringent quality standards
      $6.19
    • (0 reviews)
      # 337989195
      Mercury Comet 1977, 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 Comet 5.0L 1977, 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)
      # 49001314
      Mercury Comet 1977, 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
      $1.64 - $1.86
    • (0 reviews)
      # mpn4476750008
      Mercury Comet 3.3L / 4.1L 1977, 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 ground electrodes,...
      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)
      # mpn2341129
      Mercury Comet with Tapered Seat 5.0L 1977, 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)
      # mpn2341108
      Mercury Comet with Tapered Seat 5.0L 1977, 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...
      Provide dependable performance and extended durabilityPlatinum center electrode for long life
      $2.18
    • (0 reviews)
      # mpn915030647
      Mercury Comet 3.3L / 4.1L 1977, Professional™ Conventional Nickel Spark Plug by ACDelco®. With coverage for most older vehicles on the road today and robust long-life design, ACDelco Professional Conventional Spark Plugs are an...
      Has a copper-core center electrode that helps provide improved heat transfer to the tip, giving you the reliability you’re looking for while improving its resistance to low-speed carbon foulingPrecisely engineered and manufactured to provide everyday reliability and efficient performance
      $1.58
    • (0 reviews)
      # 62546230
      Mercury Comet with Tapered Seat 1977, 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 - $3.11
    • (0 reviews)
      # 50082529
      Mercury Comet 1977, Super Plus Spark Plug by Bosch®. Pack of 1. Insulator Material: Ceramic. Ground Configuration: Standard. Center Electrode Tip Material: Nickel-Yttrium. Ground Electrode Quantity: 1. Ground Electrode Tip Design:...
      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
      $2.41 - $3.13
    • (0 reviews)
      # 113978364
      Mercury Comet 1977, 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)
      # mpn1915105
      Mercury Comet 3.3L / 4.1L 1977, Platinum Spark Plug by Autolite®. Quantity: 1. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $4.43
    • (0 reviews)
      # 371795324
      Mercury Comet 5.0L 1977, 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 performance...
      Heat Range 6Tapered Seat
      $3.38 - $26.25
    • (0 reviews)
      # mpn2270622
      Mercury Comet 5.0L 1977, U-Groove Header Spark Plug by Accel®. 2 of Part Number # 0576S-4. Quantity 8 Pcs. Heat Range 6. Nominal Gap: 0.040". Designed utilizing the latest technology, this product by Accel features premium quality and...
      Shorty Spark Plugs For Tubular Exhaust HeadersEliminates Dimpling Headers For Added Clearance
      $31.49
    • (0 reviews)
      # 78581416
      Mercury Comet 1977, 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)
      # 82642772
      Mercury Comet 5.0L 1977, 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 better...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • (0 reviews)
      # 363281622
      Mercury Comet 1977, 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, it...
      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
    • (0 reviews)
      # mpn1915125
      Mercury Comet 3.3L / 4.1L 1977, Double Platinum Spark Plug by Autolite®. Quantity: 1. Thanks to their platinum-to-platinum firing, these spark plugs virtually eliminate gap erosion, reduce misfires, and provide improved durability and...
      Ensure improved durabilityProvide accurate firing for DIS engines
      $8.53
    • (0 reviews)
      # mpn2046361482
      Mercury Comet 5.0L with California Emission 1977, Iridium XP™ Spark Plug by Autolite®. Quantity: 1. These high-tech spark plugs feature iridium-enhanced 0.6mm finewire design and proprietary platinum sidewire technology to provide...
      One of the most high-tech spark plugs on the marketDesigned for better durability and overall ignitability, and optimum performance
      $19.43


    Popular Products



    1977 Mercury Comet 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 1977 Mercury Comet Pages
    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.