1979 Mercury Cougar Spark Plugs
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- Denso®Iridium TT™ Spark PlugMercury Cougar 1979, 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 parts...$7.32
- Motorcraft®Spark PlugMercury Cougar 1979, 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$4.44
- NGK®Iridium IX™ Spark PlugMercury Cougar 1979, 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...$8.01
- Denso®Iridium Power™ Spark PlugMercury Cougar 1979, 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...$7.19
- Champion®Copper Plus Spark PlugMercury Cougar 1979, 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$1.95
- NGK®G-Power™ Platinum Spark PlugMercury Cougar 1979, 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...$3.73
- NGK®V-Power™ Spark PlugMercury Cougar 1979, 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...$1.88
- ACDelco®GM Original Equipment™ Conventional Nickel Spark PlugMercury Cougar 1979, GM Original Equipment™ Conventional Nickel 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$2.79
- ACDelco®GM Original Equipment™ Platinum Spark PlugMercury Cougar 1979, GM Original Equipment™ 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 specifications,...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$8.02
- ACDelco®Gold™ Rapidfire Platinum Spark PlugMercury Cougar 1979, 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 lifestyle, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.09
- Denso®Platinum TT™ Spark PlugMercury Cougar 1979, 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...$3.68
- ACDelco®Professional™ Conventional Nickel Spark PlugMercury Cougar 5.0L with California Emission System 1979, Professional™ Conventional Nickel 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$2.79
- Denso®Original U-Groove Nickel Spark PlugMercury Cougar 1979, 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$2.09 - $2.17
- Autolite®XP™ Iridium Spark PlugsMercury Cougar 5.0L 1979, XP™ Iridium Spark Plugs by Autolite®. With Resistor. Modified. Want to upgrade the ignition system of your vehicle to get ultimate combustion and maximum horsepower? Step up to Autolite. Featuring the...$5.13
- SKP®Spark PlugMercury Cougar 1979, 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$4.57 - $4.58
- Motorcraft®Copper Spark PlugMercury Cougar 1979, 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$1.60 - $1.88
- ACDelco®Professional™ Double Platinum Spark PlugMercury Cougar 5.0L 1979, Professional™ Double Platinum Spark Plug by ACDelco®. Premium aftermarket plugs, and a high quality replacement ideal for many vehicles on the road today. With a copper core and double platinum pads on the...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$8.46
- Dorman®HELP™ Spark Plug Non-FoulersMercury Cougar 1979, 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$4.10
- Accel®High Performance Copper Spark PlugsMercury Cougar 5.0L 1979, High Performance Copper Spark Plugs by Accel®. With Resistor. Elaborately designed by a company with 40 years of experience in the field, this product is intended to reliably serve and effectively improve the...$4.95 - $39.95
- Brisk®Premium Racing LGS Spark PlugMercury Cougar 1979, Premium Racing LGS Spark Plug by Brisk®. With Resistor. Unlock the performance of your engine and improve the operation of your ignition system with this quality product. Precision engineered in compliance with...$12.60
- Nitrode®Performance Copper Spark PlugMercury Cougar 1979, Performance Copper Spark Plug by Nitrode®. Hotter Plug, higher heat range. The Nitrode™ spark plugs are positioned to be the world's "greenest" most environmentally friendly spark plugs on the planet. Reducing...$5.77
- Nitrode®Performance Nickel Spark PlugMercury Cougar 1979, 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...$5.77
- Nitrode®Yttrium Spark PlugMercury Cougar 1979, Yttrium 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 producing...$5.77 - $10.19
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1979 Mercury Cougar Models
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