1984 Mercury Marquis Spark Plugs
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NGK®Laser Iridium™ Spark PlugMercury Marquis 2.3L 1984, Laser Iridium™ Spark Plug by NGK®. Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. Iridium tip is six (6) times harder than...$12.60 - Denso®Iridium TT™ Spark PlugMercury Marquis 1984, Iridium TT™ Spark Plug by Denso®. Ultimate Endurance and Power. 0.4 mm Iridium and 0.7 mm Platinum Twin-Tip Technology. Make your vehicle faster and more powerful with premium-quality performance fuel system...$6.14
- NGK®Iridium IX™ Spark PlugMercury Marquis 1984, Iridium IX™ Spark Plug by NGK®. NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium...$6.43 - $8.01
- NGK®G-Power™ Platinum Spark PlugMercury Marquis 1984, 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...$3.63
- Motorcraft®Spark PlugMercury Marquis 1984, Spark Plug by Motorcraft®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.47 - $3.23
- NGK®Laser Platinum™ Spark PlugMercury Marquis 2.3L 1984, Laser Platinum™ Spark Plug by NGK®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...$8.74
- ACDelco®Gold™ Rapidfire Platinum Spark PlugMercury Marquis LPG 1984, Gold™ Rapidfire Platinum Spark Plug by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.97
- Denso®Iridium Power™ Spark PlugMercury Marquis 1984, Iridium Power™ Spark Plug by Denso®. Iridium Ultimate Endurance and Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Iridium and 0.7 mm Platinum Twin-Tip Technology) & Tapered Tip...$6.77
- Champion®Copper Plus Spark PlugMercury Marquis 1984, Copper Plus Spark Plug by Champion®. Built with nickel alloy center and ground electrodes, these spark plugs provide extra durability for long-lasting service life, while the extrusion of copper into the core of...Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life$1.60
- NGK®V-Power™ Spark PlugMercury Marquis 1984, V-Power™ Spark Plug by NGK®. Spark plugs offer higher performance compared to standard plugs. Spark plugs feature a V-groove center electrode and concave ground electrode that lowers ignition voltage requirements...$2.63 - $2.70
- Denso®Original U-Groove Nickel Spark PlugMercury Marquis 1984, Original U-Groove Nickel Spark Plug by Denso®. OE Recommended Resistor Plug with Patented U-Groove Design. If you want to restore the original performance of your vehicle's ignition system, this product is what you...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.27
- Denso®Platinum TT™ Spark PlugMercury Marquis 1984, Platinum TT™ Spark Plug by Denso®. Unlock the performance of your engine and improve the operation of your ignition system with this quality product. Precision engineered in compliance with rigorous industry...$3.78
- Champion®Nickel Spark PlugMercury Marquis LPG 1984, Nickel Spark Plug by Champion®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life$2.18
- Champion®Platinum Power™ Spark PlugMercury Marquis 2.3L 1984, Platinum Power™ 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...$1.79 - $3.00
- Autolite®Copper Spark PlugMercury Marquis 3.8L 1984, Copper Spark Plug by Autolite®. Want to upgrade the ignition system of your vehicle to get ultimate combustion and maximum horsepower? Step up to Autolite. Featuring the ground-breaking design, this product...$1.46
- Motorcraft®Copper Spark PlugMercury Marquis 1984, Copper Spark Plug by Motorcraft®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$1.03 - $4.49
- SKP®Spark PlugMercury Marquis 1984, Spark Plug by SKP®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function the...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$4.40
- Motorcraft®Finewire Platinum Spark PlugMercury Marquis 2.3L Gas 1984, Finewire Platinum Spark Plug by Motorcraft®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.67
- NGK®G-Power Platinum™ Spark PlugMercury Marquis 2.3L 1984, 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...Manufactured to boost your engine’s performanceEngineered utilizing the finest materials and equipment$3.73
- ACDelco®GM Original Equipment™ Double Platinum Spark PlugMercury Marquis LPG 1984, GM Original Equipment™ Double Platinum Spark Plug by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$4.91
- Bosch®Super Plus™ Nickel Spark PlugMercury Marquis 1984, Super Plus™ Nickel Spark Plug by Bosch®. Replace your worn out spark plugs with Bosch spark plugs and experience miles of worry-free driving. OE Specialty Spark Plugs ensure safe and reliable performance, same as...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.14 - $2.51
- Dorman®HELP™ Spark Plug Non-FoulersMercury Marquis 1984, HELP™ 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...Corrosion-resistant designNon-Foulers help protect spark plugs from damage$7.12
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