1975 Mercury Cougar Spark Plugs
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- Denso®Iridium TT™ Spark PlugMercury Cougar 1975, 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...$7.51
- Motorcraft®Platinum Spark PlugMercury Cougar 1975, 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 is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.76 - $5.51
- NGK®Iridium IX™ Spark PlugMercury Cougar 1975, 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
- NGK®G-Power™ Platinum Spark PlugMercury Cougar 1975, 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
- Motorcraft®Spark PlugMercury Cougar 1975, 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$4.35 - $4.45
- ACDelco®GM Original Equipment™ Conventional Nickel Spark PlugMercury Cougar 7.5L 1975, 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$2.72
- ACDelco®GM Original Equipment™ Platinum Spark PlugMercury Cougar 7.5L 1975, 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$5.69
- ACDelco®Gold™ Rapidfire Platinum Spark PlugMercury Cougar 1975, 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$5.52
- Denso®Iridium Power™ Spark PlugMercury Cougar 1975, 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...$7.23
- Champion®Copper Plus Spark PlugMercury Cougar 1975, 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$1.56 - $2.17
- NGK®V-Power™ Spark PlugMercury Cougar 1975, 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...$2.70
- ACDelco®Professional™ Conventional Nickel Spark PlugMercury Cougar 5.8L / 6.6L 1975, Professional™ Conventional Nickel 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...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$2.72
- Denso®Original U-Groove Nickel Spark PlugMercury Cougar 1975, 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$2.13
- Denso®Platinum TT™ Spark PlugMercury Cougar 1975, 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
- Motorcraft®Copper Spark PlugMercury Cougar 1975, 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$1.44 - $2.00
- ACDelco®Gold™ Double Platinum Spark PlugMercury Cougar 5.8L / 6.6L 1975, Gold™ Double 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$6.89
- SKP®Spark PlugMercury Cougar 1975, 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$4.21 - $4.57
- Dorman®HELP™ Spark Plug Non-FoulersMercury Cougar 1975, 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$3.50
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