1978 Pontiac LeMans Spark Plugs

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    • (0 reviews)
      # 100118575
      Pontiac Grand LeMans / LeMans 1978, 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...
      Designed for outstanding acceleration, high fuel efficiency, and durabilityEnsure a consistently stable spark
      $6.44
    • (0 reviews)
      # mpn4075458083
      Pontiac Grand LeMans / LeMans 3.8L / 5.0L / 5.7L 1978, 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...
      0.4 mm iridium center electrode, the slimmest in the industryPatented self-cleaning insulator/electrode design
      $5.30
    • (0 reviews)
      # 100118579
      Pontiac Grand LeMans / LeMans 1978, 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...
      Lower ignition system voltage requirementsGreater ignitability and performance over conventional spark plugs
      $1.61 - $1.67
    • (0 reviews)
      # 100118571
      Pontiac Grand LeMans / LeMans 1978, 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...
      Designed for faster starts and quicker accelerationBetter fuel economy and lower emissions compared to a traditional plug
      $2.65
    • (0 reviews)
      # mpn4075457826
      Pontiac Grand LeMans / LeMans 3.8L / 5.0L / 5.7L 1978, 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...
      Designed to replace your factory spark plugsManufactured to stringent quality standards
      $5.74
    • (0 reviews)
      # 337989091
      Pontiac Grand LeMans / LeMans 1978, 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...
      100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivity
      $1.47 - $1.53
    • (0 reviews)
      # mpn4075457568
      Pontiac Grand LeMans / LeMans 3.8L / 5.0L / 5.7L 1978, 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...
      1.1 mm platinum center electrodeTitanium-enhanced alloy ground electrode
      $2.59
    • (0 reviews)
      # mpn4486063052
      Pontiac Grand LeMans / LeMans 5.0L / 5.7L 1978, 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...
      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
      $7.21
    • (0 reviews)
      # mpn4486063127
      Pontiac Grand LeMans / LeMans 3.3L / 3.8L / 5.0L / 5.7L 1978, Professional™ Rapidfire Platinum Spark Plug by ACDelco®. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum...
      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
      $4.16
    • (0 reviews)
      # mpn1404078
      Pontiac Grand LeMans / LeMans 1978, 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...
      Direct OEM replacementRecommended by Ford Motor Company
      $1.54
    • (0 reviews)
      # mpn4476749948
      Pontiac Grand LeMans / LeMans 3.8L 1978, 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...
      Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life
      $1.58
    • (0 reviews)
      # mpn2341105
      Pontiac Grand LeMans / LeMans 3.3L / 5.0L / 5.7L 1978, 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...
      Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life
      $1.50
    • (0 reviews)
      # mpn2341129
      Pontiac Grand LeMans / LeMans 3.3L / 5.0L / 5.7L 1978, 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...
      Double Platinum Power - Premium Spark Plug. More Powerful Performance.Platinum center and ground electrode for greater wear resistance
      $4.66
    • (0 reviews)
      # mpn2341108
      Pontiac Grand LeMans / LeMans 3.3L / 5.0L / 5.7L 1978, 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...
      Platinum Power- Premium Spark Plug. Powerful Performance.Platinum center electrode for long life
      $2.10
    • (0 reviews)
      # mpn4495966858
      Pontiac Grand LeMans / LeMans 3.8L / 5.0L / 5.7L 1978, 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...
      Corrosion-resistant designNon-Foulers help protect spark plugs from damage
      $2.71
    • (0 reviews)
      # 803916055
      Pontiac Grand LeMans / LeMans 1978, Copper Spark Plug by Autolite®. With Resistor. Modified. OE Style. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth...
      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"
      $1.64
    • (1 review)
      # 803913335
      Pontiac Grand LeMans / LeMans 1978, PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plugs by Pulstar®. With Resistor. Inconel-electrode Pulse Plug. Designed specifically for most popular vehicles, PlasmaCore™ Inconel Electrode...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • (0 reviews)
      # 803924974
      Pontiac LeMans 1978, U-Groove™ Copper Spark Plugs 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...
      U-Groove designed for spark deliveryCopper core utilized for maximum spark
      $20.53 - $32.43
    • (0 reviews)
      # 803925980
      Pontiac Grand LeMans / LeMans 5.0L / 5.7L 1978, U-Groove™ High Performance Copper Spark Plugs by Accel®. With Resistor. Accel HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They...
      The Copper core is a better conductor than Iridium or Platinum plugsCopper dissipates heat much better than other materials
      $3.38 - $26.25
    • (1 review)
      # 903531489
      Pontiac LeMans 1978, 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...
      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
    • (0 reviews)
      # 898241183
      Pontiac Grand LeMans / LeMans 1978, Premium Racing LGS Spark Plug by Brisk®. Brisk Premium LGS spark plug has been developed after two-year cooperation with Lamborghini Morori Marini. Brisk Premium LGS spark plug utilizes extremely long...
      High-Potential Semi-Surface discharge equals more powerDischarge at the point of richest mixture in 360° perimeter
      $13.99
    • (0 reviews)
      # mpn3806709892
      Pontiac Grand LeMans / LeMans 3.3L / 3.8L / 5.0L / 5.7L 1978, Iridium Spark Plug by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.63
    • (0 reviews)
      # mpn4511855778
      Pontiac Grand LeMans / LeMans 3.3L / 3.8L / 5.0L / 5.7L 1978, Iridium Spark Plugs by Autolite®. These spark plugs are one of the brand's most technologically advanced spark plugs ever. With an iridium-enhanced 0.6 mm finewire design and...
      Iridium-enhanced center electrodePatented, platinum sidewire technology
      $6.66
    • (0 reviews)
      # 959889895
      Pontiac Grand LeMans / LeMans 3.3L / 3.8L / 5.0L / 5.7L 1978, Platinum Spark Plugs by Autolite®. Provides a center wire platinum firing tip. Benefits include: reduced gap erosion, fewer misfires, better performance and more durability....
      High nickel alloy side electrode maintains precise gapFull platinum tip assures virtually no gap erosion
      $3.01 - $6.06


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