1991 Ford Mustang Spark Plugs
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- NGK®Laser Iridium™ Spark PlugFord Mustang 2.3L 1991, 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 platinum...$12.60
- Denso®Iridium TT™ Spark PlugFord Mustang 1991, 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 - $8.08
- Denso®Iridium Long-Life Spark PlugFord Mustang 1991, Iridium Long-Life Spark Plug by Denso®. Denso's patented Iridium alloy is more durable than even Platinum, allowing the center electrode to be shrunk to only 0.7 mm in diameter. This produces a dramatic improvement in...$7.27
- Autolite®Double Platinum Spark PlugFord Mustang 1991, Double Platinum Spark Plug by Autolite®. With Resistor. 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,...$2.18 - $2.57
- TRQ®Iridium Spark Plug SetFord Mustang 2.3L 1991, Iridium Spark Plug Set by TRQ®. This top-notch TRQ spark plug set is made to fix spark plug problems easily. With its help, you will restore your vehicle's quick starting. Plus, installing it is a simple task.Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$54.67$56.95Save $2.28 (4%)
- NGK®Iridium IX™ Spark PlugFord Mustang 1991, 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 IX...$7.79 - $8.01
- Motorcraft®Platinum Spark PlugFord Mustang 1991, 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$2.47 - $5.51
- Motorcraft®Spark PlugFord Mustang 1991, 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 - $5.13
- NGK®V-Power™ Spark PlugFord Mustang 1991, 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
- Champion®Copper Plus Spark PlugFord Mustang 5.0L 1991, 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$2.17
- Motorcraft®Copper Spark PlugFord Mustang 1991, 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$1.33 - $1.65
- NGK®G-Power™ Platinum Spark PlugFord Mustang 1991, 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 - $3.73
- NGK®Laser Platinum™ Spark PlugFord Mustang 2.3L 1991, 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 needs...$9.16
- ACDelco®GM Original Equipment™ Conventional Nickel Spark PlugFord Mustang 2.3L with Dual Plug Engine 1991, 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....Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.72
- ACDelco®Gold™ Rapidfire Platinum Spark PlugFord Mustang 5.0L 1991, 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,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.52
- Denso®Iridium Power™ Spark PlugFord Mustang 1991, 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 Patented...$6.77 - $8.24
- DIY Solutions®Spark Plug SetFord Mustang 2.3L 1991, Spark Plug Set by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for. When it comes to...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$30.25$33.61Save $3.36 (10%)
- ACDelco®Professional™ Conventional Nickel Spark PlugFord Mustang 5.0L 1991, 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 using...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
- Bosch®OE Specialty™ Nickel Spark PlugFord Mustang 2.3L 1991, OE Specialty™ 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,...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.53
- Denso®Original U-Groove Nickel Spark PlugFord Mustang 1991, 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$1.66 - $2.13
- Denso®Platinum TT™ Spark PlugFord Mustang 1991, 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
- Autolite®Copper Spark PlugFord Mustang 5.0L 1991, 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...$1.72
- Champion®Nickel Spark PlugFord Mustang 2.3L with Dual Plug Engine 1991, 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,...Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life$2.18
- SKP®Spark PlugFord Mustang 1991, 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 same...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$4.21
- ACDelco®Gold™ Double Platinum Spark PlugFord Mustang 5.0L 1991, 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 lifestyle, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.28
- Autolite®XP™ Iridium Spark PlugsFord Mustang 5.0L 1991, XP™ Iridium Spark Plugs by Autolite®. With Resistor. Want to upgrade the ignition system of your vehicle to get ultimate combustion and maximum horsepower? Step up to Autolite. Featuring the ground-breaking...$4.70
- ACDelco®Professional™ Double Platinum Spark PlugFord Mustang 2.3L with Dual Plug Engine 1991, 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...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$5.72
- ACDelco®Professional™ Rapidfire Platinum Spark PlugFord Mustang 2.3L with Dual Plug Engine 1991, 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...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$5.52
- Autolite®Double Platinum Spark PlugsFord Mustang 5.0L 1991, Double Platinum Spark Plugs by Autolite®. With Resistor. Want to upgrade the ignition system of your vehicle to get ultimate combustion and maximum horsepower? Step up to Autolite. Featuring the ground-breaking...$3.93
- Dorman®HELP™ Spark Plug Non-FoulersFord Mustang 1991, 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 - $7.12
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