1978 Jaguar XJ-Type Spark Plugs
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- Denso®Iridium TT™ Spark PlugJaguar XJ-Type 1978, 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...$7.89
- Denso®Iridium Power™ Spark PlugJaguar XJ-Type 1978, 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...$6.55 - $6.69
- Champion®Copper Plus Spark PlugJaguar XJ-Type 5.3L 1978, 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...Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life$2.17
- NGK®G-Power™ Platinum Spark PlugJaguar XJ-Type 1978, 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...$2.63 - $3.63
- Denso®Original U-Groove Nickel Spark PlugJaguar XJ-Type 1978, 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
- ACDelco®GM Original Equipment™ Conventional Nickel Spark PlugJaguar XJ-Type 5.3L 1978, 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$3.28Save: 15%$2.79
- ACDelco®Professional™ Conventional Nickel Spark PlugJaguar XJ-Type 4.2L 1978, 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 PlugJaguar XJ-Type 1978, 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 - $3.54
- Bosch®OE Specialty™ Nickel Spark PlugJaguar XJ-Type 1978, 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, same...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.47 - $2.78
- Denso®Double Platinum Spark PlugJaguar XJ-Type 4.2L 1978, 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
- NGK®Nickel Spark PlugJaguar XJ-Type 1978, 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 function...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.50
- ACDelco®Gold™ Double Platinum Spark PlugJaguar XJ-Type 4.2L 1978, 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,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.77Save: 15%$8.30
- Motorcraft®Copper Spark PlugJaguar XJ-Type 1978, 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$1.56 - $2.62
- SKP®Spark PlugJaguar XJ-Type 5.3L 1978, 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$4.31
- Dorman®HELP™ Spark Plug Non-FoulersJaguar XJ-Type 1978, 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$4.93 - $7.32
- Bosch®Spark PlugJaguar XJ-Type 1978, 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 the...100% new, not rebuiltOE design to ensure exact fit, form and function$1.87
- Brisk®Premium Racing LGS Spark PlugJaguar XJ-Type 1978, 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
- Brisk®Silver Spark PlugJaguar XJ-Type 1978, Silver 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 industry standards, it...$9.91
- Nitrode®Performance Nickel Spark PlugJaguar XJ-Type 1978, 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...$10.19
- Nitrode®Yttrium Spark PlugJaguar XJ-Type 1978, 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
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