1985 GMC P-Series Spark Plugs

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    • (0 reviews)
      # 100110184
      GMC P-Series 1985, 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
    • (0 reviews)
      # 338014442
      GMC P-Series 1985, 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
      $5.30
    • (0 reviews)
      # 100110187
      GMC P-Series 1985, 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
      $1.67
    • (0 reviews)
      # 100110181
      GMC P-Series 1985, 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
      $2.66
    • (0 reviews)
      # 338014450
      GMC P-Series 1985, 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
      $5.74
    • (0 reviews)
      # 299441006
      GMC P-Series 1985, 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
      $1.53
    • (0 reviews)
      # 338014468
      GMC P-Series 1985, 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
      $2.56
    • (0 reviews)
      # 708053906
      GMC P-Series 1985, 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
      $7.02 - $7.21
    • (1 review)
      # 708094574
      GMC P-Series 1985, 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
      $4.16
    • (0 reviews)
      # 524015884
      GMC P-Series 1985, 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)
      # mpn2341103
      GMC P-Series 6.0L 1985, Nickel 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...
      Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life
      $1.50
    • (0 reviews)
      # 708138669
      GMC P-Series 1985, 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
      $2.71
    • (0 reviews)
      # 803882275
      GMC P-Series 1985, Copper Spark Plug by Autolite®. With Resistor. OE Style. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products are...
      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"
      $1.69
    • (1 review)
      # 903517478
      GMC P-Series 5.7L / 7.4L 1985, PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plugs by Pulstar®. With Resistor. Inconel-electrode Pulse Plug. Designed specifically for most popular vehicles, PlasmaCore™ Inconel Electrode Pulse...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • (0 reviews)
      # 803888588
      GMC P2500 / P3500 1985, 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)
      # 1082720382
      GMC P-Series 1985, 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 time...
      Direct OEM replacementRecommended by Ford Motor Company
      $1.63


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