1984 Jeep J-Series Spark Plugs
Select Your Submodel
-
Denso®Iridium TT™ Spark PlugJeep J-Series 5.9L 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...$7.89 - NGK®V-Power™ Spark PlugJeep J-Series 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...$2.70 - $2.88
- NGK®Iridium IX™ Spark PlugJeep J-Series 5.9L 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...$7.44 - $8.08
- Autolite®Copper Spark PlugJeep J-Series 4.2L 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...$1.55
- Denso®Iridium Power™ Spark PlugJeep J-Series 5.9L 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...$6.69
- Champion®Copper Plus Spark PlugJeep J-Series 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$1.86 - $1.95
- NGK®G-Power™ Platinum Spark PlugJeep J-Series 5.9L 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...$3.73
- Denso®Original U-Groove Nickel Spark PlugJeep J-Series 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$1.95 - $2.35
- ACDelco®Professional™ Conventional Nickel Spark PlugJeep J-Series 5.9L 1984, 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$3.28Save: 15%$2.79
- Denso®Platinum TT™ Spark PlugJeep J-Series 5.9L 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...$3.44
- Champion®Iridium Spark PlugJeep J-Series 4.2L 1984, Iridium 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 provides excellent lifetime and engine...$5.89
- Denso®Double Platinum Spark PlugJeep J-Series 5.9L 1984, Double Platinum Spark Plug by Denso®. Extra Long Life Double Platinum Plug with Platinum Ground Strap. Denso Double Platinum plug features platinum on both the center and ground electrodes. This precious metal...$6.54
- Motorcraft®Nickel Spark PlugJeep J-Series 5.9L 1984, Nickel 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$1.79
- Champion®Platinum Power™ Spark PlugJeep J-Series 4.2L 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 life.$2.64
- NGK®Nickel Spark PlugJeep J-Series 5.9L 1984, Nickel Spark Plug by NGK®. 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$2.45
- Bosch®OE Specialty™ Platinum Spark PlugJeep J20 1984, OE Specialty™ Platinum Spark Plug by Bosch®. Only Bosch uses a platinum center electrode that’s heat-fused into a ceramic insulator. All Bosch Platinum Series Spark Plugs reach self-cleaning temperature faster for...$6.46
- ACDelco®Gold™ Double Platinum Spark PlugJeep J-Series 5.9L 1984, 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$9.77Save: 15%$8.30
- SKP®Spark PlugJeep J-Series 4.2L 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$4.99
- Crown®Copper Spark PlugJeep J-Series 1984, Copper Spark Plug by Crown®. Designed with quality and craftsmanship in mind, this high-grade Crown product is your perfect option if you are looking for proven reliability and performance.Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$14.66 - $22.11
- ACDelco®Gold™ Conventional Nickel Spark PlugJeep J-Series 4.2L 1984, Gold™ Conventional Nickel 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$3.28Save: 15%$2.79
- Autolite®Double Platinum Spark PlugsJeep J-Series 4.2L 1984, 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...$4.32
- Motorcraft®Copper Spark PlugJeep J-Series 5.9L 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$1.98 - $2.53
- Dorman®HELP™ Spark Plug Non-FoulersJeep J-Series 4.2L / 5.9L 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....Corrosion-resistant designNon-Foulers help protect spark plugs from damage$4.93
- DIY Solutions®Spark Plug SetJeep J-Series 4.2L 1984, 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$35.65
- Bosch®Spark PlugJeep J-Series 5.9L 1984, Spark Plug by Bosch®. 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...100% new, not rebuiltOE design to ensure exact fit, form and function$5.29
- Omix-ADA®Performance Copper Spark PlugJeep J-Series 4.2L 1984, Performance Copper Spark Plug by Omix-ADA®. 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$9.85
- Brisk®Iridium Yttrium Performance Spark PlugJeep J-Series 4.2L 1984, Iridium Yttrium Performance Spark Plug by Brisk®. If you want to upgrade your vehicle with a spark plug that provides more power and faster acceleration, then this Brisk product is just the option. Designed with...$9.91
- Brisk®Premium EVO Spark PlugsJeep J-Series 1984, Premium EVO Spark Plugs by Brisk®. 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...$13.50
- Brisk®Premium Racing LGS Spark PlugJeep J-Series 4.2L 1984, Premium Racing LGS Spark Plug by Brisk®. Unlock the performance of your engine and improve the operation of your ignition system with this quality product. Precision engineered in compliance with rigorous...$12.60
- Brisk®Silver Spark PlugJeep J-Series 1984, Silver Spark Plug by Brisk®. If you want to upgrade your vehicle with a spark plug that provides more power and faster acceleration, then this Brisk product is just the option. Designed with the latest technological...$9.91
Shop By Service Type
Popular Products
1984 Jeep J-Series Models
Related Searches