1977 GMC G-Series Spark Plugs

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    • (0 reviews)
      # 100109723
      GMC G-Series 1977, Iridium IX™ Spark Plug by NGK®. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior anti-fouling, these spark plugs are a great option for modified engines and...
      Designed for outstanding acceleration, high fuel efficiency, and durabilityEnsure a consistently stable spark
      $6.44 - $6.49
    • (0 reviews)
      # mpn4075458083
      GMC G-Series 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 Patented...
      0.4 mm iridium center electrode, the slimmest in the industryPatented self-cleaning insulator/electrode design
      $5.47
    • (0 reviews)
      # 100109742
      GMC G-Series 1977, G-Power™ Platinum Spark Plug by NGK®. Platinum spark plugs by NGK are designed to improve fuel efficiency, lower emissions, and provide quicker starts while remaining durable under high heat. With 0.6 mm platinum...
      Designed for faster starts and quicker accelerationBetter fuel economy and lower emissions compared to a traditional plug
      $2.65 - $2.66
    • (0 reviews)
      # 100109732
      GMC G-Series 1977, V-Power™ Nickel Spark Plug by NGK®. NGK spark plugs offer higher performance compared to standard plugs. NGK spark plugs feature a V-groove center electrode and concave ground electrode that lowers ignition voltage...
      Lower ignition system voltage requirementsGreater ignitability and performance over conventional spark plugs
      $1.61 - $1.69
    • (0 reviews)
      # mpn4075457826
      GMC G-Series 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 not...
      Designed to replace your factory spark plugsManufactured to stringent quality standards
      $5.80
    • (0 reviews)
      # 337973782
      GMC G-Series 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 created...
      100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivity
      $1.55
    • (0 reviews)
      # mpn4075457568
      GMC G-Series 1977, Platinum TT™ 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 original...
      1.1 mm platinum center electrodeTitanium-enhanced alloy ground electrode
      $2.60
    • (0 reviews)
      # mpn4476749946
      GMC G-Series 4.8L 1977, Copper Plus Spark Plug by Champion®. As the leaders in precious metal technologies as well as F.I.S.S resistor technology and MLR™ technology, Champion spark plugs provide enhanced ignition and longer life.
      Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life
      $1.58
    • (0 reviews)
      # 524092370
      GMC G-Series 1977, 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 of...
      Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life
      $1.58
    • (0 reviews)
      # mpn2341129
      GMC G-Series 4.1L 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 long-lasting service life...
      Double Platinum Power - Premium Spark Plug. More Powerful Performance.Platinum center and ground electrode for greater wear resistance
      $4.66
    • (0 reviews)
      # 524064813
      GMC G-Series 1977, Platinum Power™ Spark Plug by Champion®. With a platinum tip welded to a nickel alloy center electrode, these spark plugs provide superior wear characteristics. Combining a thin-wire center electrode with a...
      Platinum Power- Premium Spark Plug. Powerful Performance.Platinum center electrode for long life
      $2.18
    • (0 reviews)
      # mpn4486063904
      GMC G-Series 5.7L 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 economical...
      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)
      # 708186780
      GMC G-Series 1977, Professional™ Double Platinum Spark Plug by ACDelco®. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum Spark Plugs fit engines using conventional...
      Ribless insulator that improves the plug-to-boot sealTapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage
      $5.43 - $5.58
    • (0 reviews)
      # 708197520
      GMC G-Series 1977, Professional™ Rapidfire Platinum Spark Plug by ACDelco®. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum Spark Plugs fit engines using conventional...
      Ribless insulator that improves the plug-to-boot sealTapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage
      $2.98 - $3.22
    • (0 reviews)
      # mpn4495966858
      GMC G-Series 1977, Spark Plug Non-Foulers 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 offers a variety of...
      Corrosion-resistant designNon-Foulers help protect spark plugs from damage
      $2.55
    • (0 reviews)
      # 803888332
      GMC G-Series 1977, Copper Spark Plug with Resistor by Autolite®. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products are made of...
      Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)Multi-rib insulator reduces danger of "flash-over"
      $2.44 - $2.49
    • (0 reviews)
      # 803911854
      GMC G-Series 5.0L / 5.7L 1977, U-Groove™ Copper 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...
      U-Groove designed for spark deliveryCopper core utilized for maximum spark
      $20.53 - $32.43
    • (0 reviews)
      # 803933580
      GMC G25 / G35 1977, Performance Nickel Spark Plug by Nitrode®. The Nitrode™ spark plugs are 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 known today
      $8.09
    • (1 review)
      # 803919896
      GMC G-Series 1977, PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plugs with Resistor by Pulstar®. Inconel-electrode Pulse Plugs. Designed specifically for most popular vehicles, PlasmaCore™ Inconel Electrode Pulse Plug provides...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • (0 reviews)
      # 898253870
      GMC G-Series 1977, Premium Racing LGS Spark Plug by Brisk®. Thread Size: 14 mm. Reach Size: 1/2" (12.7 mm). Hexagon Size: 5/8" (16 mm). Heat Range: 17. Brisk Premium LGS spark plug has been developed after two-year cooperation with...
      High-Potential Semi-Surface discharge equals more powerDischarge at the point of richest mixture in 360° perimeter
      $13.99
    • (0 reviews)
      # 803885804
      GMC G-Series 1977, Iridium Spark Plugs by MSD®. 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 is manufactured...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.63


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    1977 GMC G-Series Spark Plugs Reviews

    Average rating:  4.5  4.5 - 4 reviews
    4.8 of 5
    Great
    Works great. One of the best and most helpful things I’ve ever bought.
    PPosted by Preston (Westminster, CO) / December 13, 2017
    2002 Toyota 4Runner
    Was this review helpful for you? Yes
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